w’wfhm
IC 53.0 53.040 40.1 .1
Octo Octobe be 2000 2000
Bu
Conv Co nvey ey ng
evat evatin in
oist oist ng
er al Ro eway eway an Rela Relate te
ipme ipme
Sect Sectio io al Co Comm mm ttee ttee
FOREWORD th Bu Bulk lk Co veyi veying ng leva levati ti g, oist oistin ing, g, eria eria Rope Rope ay an Re ated ated ad ee ap rove rove by th Mech Mechan anic ical al gi eeri eeri iv sion sional al Co Coun unci ci
qu me
Sect Sect onal onal
ommi ommitt ttee ee
Belt
se ecti ecti
an de ig
el co ve or
Indi India. a.
been been revi revise sed. d.
~ourth
an
1S 5048 5048:1 :198 98
Co tinu tinu us mech mechan an ca hand handli li equi equi ment ment idle idlers rs Calc Calc la ions ions erat eratin in we an
Belt Belt conv convey ey rs en il forc forces es
it carr carr ng
fo desi design gn of stee stee stru struct ctur ures es 1S 5293 5293:1 :198 98 rolls ISO/ ISO/TR TR 1035 10357: 7:19 1989 89
Fo mula mula fo ra itio itio Co ey be ts roll roller er (new (new meth method od
DIN 22101: 22101:197 197
Contin Cont inuo uous us mech mechan anic ical al hand handli ling ng equi equipm pmen ent; t; belt belt conv convey eyor or fo bulk bulk mate materi rial als: s: ba es ca cu at on an es gn
BS 2890:1 2890:1973 973
Trou Trough ghed ed belt belt conv convey eyor or
BS 5934 5934:1 :198 98
Meth Method od ca cula cula io erat eratin in we an te sile sile forc forces es el conv convey ey rs it carr carr in idle idlers rs on co tinu tinu us mech mechan an ca hand hand in equi equi ment ment
2: 1960 1960 ‘Rul ‘Rules es fo ro nd rounded
umer umeric ical al va ue (r vi ed)’ ed)’
he numb number er
ista istanc nc
gnif gnif ca
thre thre equa equa en th
er
plac places es re aine aine in th
IS 11592:2000
Firs Firs Re isio isio SCOP SCOP
1.6
hi stan standa dard rd rovi rovide de ui ance ance sele select ct on an desi design gn pt-a pt-act ctic icesto esto be adop adopte te fo belt belt conv convey eyor ors. s.
1.1
only only an no on slid slides eslb lbed eds. s. belt.
and/ and/or or expe expend ndab able le conv convey eyor or hand handli ling ng loos loos bulk bulk ma ch as +F gu danc dance, e, clas classi sifi fica ca io an pr pert pertie ie such such mate mate
hori horizo zont ntal al curv curves es REFERE REFERENCE NCE
1.3 This This stan standa dard rd cove covers rs th conv convey eyor or with with belt belt widt widths hs
in bu excl exclud udin in
rd spec specia ia purp purpos os conv convey eyor ors. s.
NOTES Conv Convey eyor ors, s, no
ov ed unde unde
hi sc pe an sp cial cial pu pose pose
conv convey eyor ors, s, fo exam exampl ple, e, feed feeder ers, s, pack packag ag cove covere re
in
sepa separa rate te stan standa dard rd
This This stan standa dard rd also also cove covers rs th conv convey eyor or Spec Specia ia i-eq i-equi uire reme men~ n~ fo conv convey eyor or mine mine
ar also also cove covere re
conv convey eyor or
conv convey eyor ors, s, etc. etc. will will be usin usin stee stee cord cord belt beltin ing. g.
fo us in unde underg rgro roun un
dard dard ar subj subjec ec to revi revisi sion on an part partie ie to agre agreem emen ents ts base base on hi stan standa dard rd areare-en enco co rage rage to in esti estiga gate te he poss possib ibil il ty appl applyi ying ng he most most rece rece edit editio ions ns rd ed
coat coat
by this this stan standa dard rd
an conv convey eyor or
fo unde underg rgro roun un
mine mine wher wher
rele releva vant nt
3.1
Indian Indian Sr~nda Sr~ndards rds are availa available ble
1.4 Atte Attent ntio io is draw draw to th many many vari varied ed fact factor or whic whic
infl influe uenc nc th driv drivin in forc forc on,t on,the he driv driv pull pulley ey an whic whic quir quirem emen en exac exactl tly. y. This This Indi Indian an Stan Standa dard rd is inte intend nded ed to gi simp simple le meth method od conv convey eyor or desi design gn calc calc lati lation on Co suff suffic icie ient nt in th majo majori rity ty of case cases. s. Many Many fact factor or ar no take take nt acco accoun un in th fort fort la ut etai etails ls ar ro vi ed thei thei natu nature re an thei thei effe effect ct In simp simple le case cases, s, ea thos thos
th nece necess ssar ar an th real real te sion sion in th
el
3.2 an mm
4.1
curv curvat atur ures es in vert vertic ical al plan plane. e.
over over idle idle roll roll whic whic ar eith either er in se of 5-ro 5-roll lls/ s/33-ro roll ll
desi design gn of th mech mechan anic ical al equi equipm pmen ent. t. Howe Howeve ver, r, cert certai ai conv convey eyor or pres presen en more more comp compli lica cate te prob proble lems ms fo ex am le thos thos it mult multip ip ri es it an undu undu at in prof profil il in vert vertic ical al elev elevat atio ion. n. Fo thes thes calc calcul ulat atio ions ns advi advisa sabl bl to cons consul ul 1.5
comp compet eten en expe expert rt
he reco recomm mmen en at on
iven iven in this this stan standa dard rd hall hall
conv convey eyor or Care Care shal shal howe howeve ve be take take to appl appl clau clause se pert pertai aini ning ng to syst system em requ requir irem emen ents ts
ze
al
elec elec
convey conveyors ors only. only.
4.2.1
5° hall hall refe refera ra ly
idlers.
ad pted pted
IS 1159 11592: 2:20 2000 00 Ta le .5.1.3,8.11. .11.3.1 3.1 urrd8.11.3.2.) (C/auses 3.2, .5.1.3,8 urrd8.1 1.3.2.)
(Con (Con~i ~i
1 S
Unit
Unit
No. (3)
No. (4)
(3) 1. 2.
Al
3. 4.
Cros Crosss-se sect ctio iona na area area of load load on belt belt
m’
Area Area ofco ofcont ntac ac betw betwee ee
mz
belt belt an belt belt clea cleane ne
Belt Belt widt widt
B,
5.
Bear Bearin in
life life fact factor or
Convey Conveyor or capaci capacity ty Coef Coeffi fici cien en
7.
Pulley Pulley diame diameter ter
8.
Bel mod modulu ulu
upon upon trou trough gh angl angl
Special Special resistan resistance ce
50. R:
Fric Fricti tion onal al resi resist stan ance ce betw betwee ee
hand handle le
mate materi rial al
an th skir skir plat plat in acce accele lera rati tion on area area 51. R,p,
Speci Special al mai resist resistanc ances es
52. R,p,
Speci Special al secon seconda dary ry resist resistan ances ces axim aximum um allo allo able able
el
Safety Safety factor factor 55. T,
Peri Periph pher eral al forc forc on th driv driv
pull pulley ey
56, T, kNlm
kNlm runnin runnin
condit condition ion
Bel specif specific ic mod modulu ulu
57. Tm
Maxi Maximu mu
Forc Forc avai availa labl bl
58. T*
Aver Averag ag
fo acce accele lera rati tion on of th tota tota equi equi
valen valen mass mass
59. Tti
11. F,
Bracki Bracking ng force force
60. T,
12. Fd
Force Force requir required ed for decele decelerat ration ion
13. Fd
Additi Additiona ona force force requir required ed for decele decelerat ration ion
14.
Equi Equiva vale lent nt forc forc on each each idle idle bear bearin in
-m
(4)
49.
rih
depe depend ndin in
ed
reco recomm mmen ende de
belt belt tens tensio io
kN/m
belt belt tens tensio io at th pull pulley ey
N/m N/m
Maxi Maximu mu
belt belt tens tensio io unde unde norm normal al oper operat atin in
N/m N/m
conditions Maxi Maximu mu
oper operat atin in
62. T,m
Maxi Maximu mu
peri periph pher eral al forc forc
Minimu mu 63. T,m,n Mini
Modi Modifi fied ed equi equiva vale lent nt forc forc on each each idle idle bear bearin in
64. T,,
Tota Tota vert vertic ical al.f .for orce ce on cent centra ra idle idle roll roll Mome Moment nt of iner inerti ti of driv driv syst system em
61. Tm
N.ms2
belt belt tens tensio io
N/m
slac slac side side tens tensio io
Belt Belt tens tensio io
N/m
in star starti tirr rrgh ghrr rrki king ng
cond condit itio io
65. Tcm
N/m Nlm
load loaded ed up to begi beginn nnin in
of curv curv
load loaded ed up to begi beginn nnin in
of curv curv
(4wk2)
N/m
18. charge charge end
67.
Indu Induce ce
19. H,
Belt Belt spee spee
20,
Slope Slope factor factor
Hand Handle le
21. K.
Scrapi Scraping ng factor factor
22. K,
Appl Applic icat atio io
23. K,
Lump Lump fact factor or
24. K,
Serv Servic ic
25. K,
Spee facto
M/s
mate materi rial al conv convey eyin in
in th dire direct ctio io
N/m
N/mm
belt belt~d ~dge ge stre stressin ssin ~iti ~ition on spee spee comp compon onen en
Or/s
of belt belt moti motian an
Load Load fact factor or
fact factor or fo idle idle
Coordinate Coordinatesof sof curves curves ista ista ce
factor factor
etwe etween en
or in
poin poin
nd tang tangen en
poin poin on curv curves es 73.
26,
74. b,
27. L,
Leng Length th of ns al at on
28,
Tota Tota equi equiva vale lent nt mass mass
quip quippe pe
with with ilte ilte
dler dler
dt lnte lnters rski kirt rt plat plat widt widt
75.
Shaf Shaf diam diamet eter er insi inside de bear bearin in
kg
76.
Base Base fo natu natura ra loga logari rith th
revlmin
77.
Arit Aritit itic icia ia
(a cons consta tant nt
2.718 Appr
Driv Driv
pull pulley ey spee spee
Absorb Absorbed ed power power
kW
34. PM
Moto Moto output output powe powe (sha (shaft ft
kW
35. PM,
Inst Instal alle le
kW
33. P“p moto moto outpu outpu powe powe rc
9:806
Acce Accele lera rati tion on du to grav gravit it
l s 32. PA
fric fricti tion on coef coeffi fici cien en rdsz
79.
Ordi Ordina nate te
fo traj trajec ecto tory ry of mate materi rial al degree
80. plan plan perp perpen endi dicu cula la
to th long longit itud udin inal al axis axis of
th belt belt 81.1,,12
Dkan Dkance ce
from from poin poin of sepa separa rati tion on to th poin points ts
37. R<
Radi Radius us (min (minim imum um
38. R,
Pull Pulley ey bear bearin in resi resist stan ancenot cenot tobe calc calcul ulat ated ed fo
nate nate ar to be draw draw
drive drive pulle pulle
Acce Accele lera rati tion on leng length th at load loadin in
39. R,
Resi Resist stan ance ce du to idle idle tilt tiltin in
Leng Length th of inst instal alla lati tion on equi equipp pped ed with with skir skir plat plates es
40,
Mai
resis resistan tances ces
41. R,, 42. R~
of curv curv
tofr Secondar Secondar resistan resistances ces
43. Rv
part parts. s.of ofth th
Ma
85. m,
Mass Mass of revo revolv lvin in
er
et
kgfm
idle idle part part alon alon th carr carryi ying ng
kglm
86. md
Mass Mass of mate materi rial al that that ca be safe safely ly disc discha harg rged ed
87. m.
Mass Mass ofha ofhand ndlc lc
on th ne
pull pulley ey
44. Rw
dp
kg
hute hute or hopp hopp mate materi rial al on conv convey eyor or pe metr metr
88. m,
45. R=
kg/m k~m
length length of convey conveyor or poin poin an in th
cele celera ra io
hand handle le mate materi rial al and. and.th th belt belt 46. Rbc
betw betw en th
89. m, length length of convey conveyor or 90. m,
47. R& 48. R,,
ofbe ofbelt lt
side side of th conv convey eyor or pe metr metr
mof th revo revolv lvin in
84. mB
area area
ss
fr vo vi
dler dler pa ts alon alon
th retu return rn
kg/m
side side of th conv conv.e .eyr yrrr rrpe pe metr metr mate materi rial al an skir skir plat plates es
91. n,
Numb Number er of trip trippe pers rs
Slop resistan resistance ce
92.
Pres Pressu sure re betw betwee ee
belt belt clea cleane ne an belt belt
N/m2
IS 1159 11592: 2:20 2000 00 Tabl Tabl
Conc Conc uded uded
ha ev r, poin points ts ment mentio ione ne 6. shal shal be cons consid id re here here also also th xt nt ppli ppli ab e.
S1 Symbols No, (4)
(3) 93.
Pc
94.
P,
6. or syst system em layo layout ut th foll foll wing wing data data is requ requir ir proceed proceed furthe further: r:
Pitc Pitc of carr carrie ie idle idle or idle idle spac spacin in on carr carryi ying ng side side of th conv convey eyor or itch itch of retu return rn
le
id er sp
ng on retu return rn
a) Site Site plan plan with with suit suitab able le cont contou ou draw drawin ings gs
side side of conve conveyo yo
P,
95.
b) Over/u Over/unde nde surface surface interf interfere erence nces, s, namely namely existexist-
torque
t,
96.
0.02 0.02
repr repres esen ents ts th appr approx oxim imat at
tran transm smis issi sion on line lines, s, buil buildi ding ngs, s, stru struct ctur ures es etc; etc;
thic thickn knes es
of belt belt
c) Grade Grade deviat deviation ions; s;
Belt thickne thickness ss im
en to
Decel Decelera eratio tio
le
d) Mate Materi rial al flow flow diag diagra ra
th lo
e) Deta Detail il of rece receiv ivin in buti bution on poin point( t(s) s)
tim
Reduce Reduce dece deceler lerati ation on tim im
qu re
ot
to
th co
mu
perm permis issi sibl bl
perm permis issi sibl bl
poin point( t(s) s) disc discha harg rge/ e/di dist stri ri
Materi rial al char charac acte teri rist stic ic incl includ udin in size size anal analys ysis is f) Mate limati ti data data nd site site ondi ondi ion; ion; an g) lima h) Specific Specific requireme requirement nt for tensioning tensioning arrangeme arrangement, nt, if any. any.
veyor Maxi Maximu mu
an flow flow rate rates; s;
slop sloppi ping ng time time or maxi maxi
coas coasti ting ng time time
Transiti Transition on distanc distanc Vert Vertic ical al dist distan ance ce th belt belt edge edge rise rise or lowe lowers rs during during transiti transition on Nume Numeri rica ca
coef coeffi fici cien ent, t, bein bein
fimc fimcti tion on ofco ofconn-
(Clause 5)
veyo veyo length length Fact Factor or fo extr extr powe powe fo trip trippe pers rs an
of he
fr
degree
hori horizo zont ntal al
Trou Trough ghed ed
line line in th movi moving ng dire direct ctio io I09
.-
dr
effic efficien iency cy degree
Ill. leav leav th belt belt Trou Trough ghin in
degree
angl angl of retu return rn idle idlers rs
Angle Angle betwe between en sid axis axis of thetroughed thetroughed canyi canying ng idle idlers rs an hori horizo zont ntal al trou trough ghin in
dr
Larg Larg lump lump size size of wi ho
nt rm
ia
is
of co
carr carryi ying ng idle idlers rs
of fric fricti tion on betw betwee ee
mate materi rial al an belt belt
ia
li it
fc plough ploughs, s, distri distribut butor or plate plate or
itho ithout ut
va re
Suit Suitab able le fo incl inclim imti tion on or decl decliiof fric fricti tion on betw betwee ee
ey
ht
it
an belt belt Coef Coeffi fici cien en
Rela Relati tive vely ly high higher er angl angl of repo repose se
ater ateria ia with with
degree
angl angl
el
Conveyors
Conveyors
an rege regener nerat ative ive power power respe respect ctive ively ly Driv Driv
Flat Flat
lt
at on
rdan rdan
itho ithout ut Maxi Maximu mu
it
ti
cu
tu
incl inclin inat atio io
clin clin tion tion
allo allowe we ir
is
le
an bell bell Coet Coetli lici cien en
6.2. 6.2. In case case of shif shifta tabl bl
onve onveyo yors rs in addi additi tion on
data data
skirt skirt plate plate
a) Layo Layout ut
cleaner Acceler Acceleratio atio
coetlcie coetlcient nt
Bulk Bulk dens densit it
of mate materi rial al
gl 123.
of
b) tlm] radian
ap
degree
Surchar Surcharge ge angle angle Belt Belt widt widt rgin rgin th
ends; c) Wh Whet ethe he fu ur exte extens nsio ions ns ar re uire uire
not. not.
degree
Surchar Surcharge ge angle angle 125,
work workin in face face
sa le wi th of he
lt
d) Type Type of shif shifti tin~ n~ e) Loca Locati tion on of disc discha harg rg conv convey eyor or incas of pivo pivo operation;
SELE SELECT CTIO IO
ab
ists ists th feat featur ur
roug roughe he
nd fl be
on
veyor. LAYO LAYOUT UT .6.1For .6.1For sing single le conv convey eyor or th cent centre re-t -too-ce cent ntre re dist distan ance ce
and Maximu mu !3) Maxi
allo allowa wabl bl grou ground nd pres pressu sure re
vidu vidual al conv convey eyor or in unde underg rgro roun un (min (minin ing) g) inst instal alla lati tion ons, s, mo ors, ors, fire fire reta retard rdin in
belt belt ng
nd safe safe
pr auti aution on
IS 1159 11592: 2:20 2000 00
agai agains ns fire fire in al othe othe equi equipm pmen en espe especi cial ally ly flui flui coucougrading.
care care off. off. 6.3 laid laid out, out, taki taking ng foll follow owin in
poin points ts into into cons consid ider erat atio ion: n:
ss le
(Cla (Claus us 7.2) 7.2)
per-
a)
se
Al dime dimens nsio ions ns in mill millim imet etre res. s.
b) Keepin Keepin convey conveyor or length length (inclu (includin din allowa allowance nce
fo belt belt elon elonga gati tion on with within in reas reason onab able le limi limits ts so as exce exceed ed th ik ly RMBT RMBT (rec (rec mm si se of conv convey eyor or belt beltin ing; g; c) Keep Keepin in mini minimu mu over overhe head ad clea cleara ranc nces es belo belo
Unsized Underlined)
100
4QQ
75
100
450
75
125
100
150
125
200
125
230
750
180
300
8.(!Q 900
180
330
200
380
260
430
280
460
360
530
6(!!2
d)
Dime Dimens nsio ions ns
75
railwa railways ys an main mainta tain inin in mini minimu mu clea cleara ranc nces es in acco accord rdan ance ce with with th stat statut utor or requ requir irem emen ents ts
e)
(Max (Maxim imum um
X-N
irec irec io lo te ia nles nles abso absolu lute tely ly eces ecessa sary ry ue site site co st ai ts an asti asti ti on eyor eyor shal shal ta en into into onsi onside dera rati ti to void void uild uild-u -u at ri l.
380
660
380
680
410
750
410
800
460
900
500
cons consid ider ered ed if coas coasti ting ng time time cann cannot ot be corr correc ecte ted. d.
1020
of abra abrasi sive vene ness ss an
othe othe
mate materi rial al char charac acte teri rist stic ics. s.
7.3. 7.3. Lump Lump Size Size Lump Lump size indica indicatesthe testhe longes longes single single dimens dimension ion of larg. larg. es lump lump This This shal shal no be cont cont%s %sed edwi with th crus crushe he sett settin in or scre screen en open openin ings gs as thes thes limi limi only only on dime dimens nsio ion. n. sizi sizing ng th conv convey eyor or wors wors esig esig
iz
ndit nditio io ap lica lica le shal shal th conv convey ey syst syst m.
cons consid ider ered ed
th
abra abrasi si enes enes acto acto (see (see able able (se Table6 Table6). ).
an sele select ct el spee spee
is clas classi sifi fica cati ti
at ri
se
as iven iven in .3.1 .3.1.* .*
7.3
ater ateria ia (s
7.3.1 Mate Materi rial al shal shal be clas classe se as ‘siz ‘sized ed an
follows:
on -hal -hal tw thir thir
.6
th sele select cted ed el spee spee su
eq ired ired ca acit acit 10andll,
less less on -t ir
‘uns ‘unsiz ized ed
axim axim axim axim axim axim
lu lu lu
size size size size size size
se spacing].
).
th conv convey ey
angl angl
in li atio atio able able
8,
IS 1159 11592: 2:20 2000 00
,,:. .,.
..
/’
-&q#J““:”””s;’”-
DRIV DRIV EN
1D
CONVEX CURVE
1E
IS 1159 11592: 2:20 2000 00
+3104—4=
30 ——————i ——————i
All dimen dimensi sion on in milli millime metr tres es
IS 1159 11592: 2:20 2000 00
.9 Ca cu at th resi resist stan ance ce (ten (tensi si ns mp othe othe access accessor ories ies
al cond condiiCl
es
.1.3 .1.3,8 ,8 1200
ab-
2000
sorb sorbed ed powe power. r. Speed Factor
sions.
dist distan ance ce et ee ad acen acen id er case case al ce
th carr carr in side side d2 ce
(Cla (Claus us 7.4) 7.4) Material
Lump Size Factor
Air Borne Factor
to alcu alcula late te
axim aximum um
late late maxi maximu mu
tart tart ng tens tensio ion. n.
Multip iply ly maxi maximu mu 7.16 Mult mu safe safety ty fact factor or wi an akeake-up up etc. etc.
eG
Also calcu calcu pe at ng tens tens n. Also
oper operat atin in tens tensio io by th mini mini refe refere renc nc type type be t, jo nt
Se ec Unsized
exce exce
reco recomm mmen ende de maxi maximu mu
an mini minimu mu
an maxi maximu mu
th sele select cted ed belt belt widt width) h)
port port ng he load load Tentat at vely vely deci decide de belt belt spec spec fica fica io 7.18 Tent cove cove thic thickn knes es grad grad an cons constr truc ucti tion on
th sele select cted ed belt belt widt width) h) Unsized
.1 Ch Chec ec adeq adequa uacy cy of el fo star star in an ensi ension on calc calcul ulat ated ed 7.15 7.15 Determ rmin in 7.21 Dete
driv driv powe powe cons consid ider erin in tran transm smis issi sion on loss losses es afte afte sele select ctin in mach machin iner er betw betwee ee driv driv pull pulley ey an sour source ce of powe power. r. Co Cons nsid ider erat atio io shal shal be give give here here im ting ting requ requir irem emen ents ts of tart tart ng tens tensio ions ns an or resp respon ondi ding ng mini minimu mu accel accelera erati tion on time time requi requirem remen ents ts
per-
maximum
sele select cted ed bet widt width) h)
(Cla (Claus us
.4
Type Type of Ma eria eria
Abrasive-
reak reakin in
7.20 7.20 Fina Finali lise se belt belt sele select ctio ion. n.
sele select cted ed bel widt width) h) exceed
nc ud ng
ness
‘Abrasiveness
.2 Dete Determ rmin in th vari variou ou ul ey size size name name y, dr ve ul ey head head ul ey ta ttll ttlley ey snub snub pu ley, ley, akeake-up up
Factor
maki making ng th sele select ctio io fo pu le size sizes. s.
Non earth, flue
st
sand sand groun groun
grav gravel el
Basi 7.22.1 Basi
se ecti ection on
Abrasive
PV behbehas
Minimu Minimu Pulley Pulley Diamet Diameters ers fo Satisf Satisfact actory ory Flexin Flexin
san stohe. stohe. concen concentra trates tes pellet pellets. s.
pull pulley ey size size
Type ~~
minerals, gran granit ite, e, trap trapro rock ck pyri pyrite tes, s, sint sinter er coke coke
7.13 Ca
tensions. conv convey eyor or conf config igur urat atio ion, n, that that is inclin inclinati ation/ on/dec decli li nation nationreg regene enerat ration ion locati location on of drive, drive, comp comput ut th mini minimu mu requ requir ired ed slac slac side side tens tensio ion. n.
mm 245
450
350 700
250 300 400 550 550
IS 1159 11592: 2:20 2000 00
(C us
FIG.
SECTION
MAXIMUM
2,
OF HAND HANDLE LE
4.
I.J-l
FORTRIPLE FORTRIPLE ROLLE ROLLE TROUGH TROUGHED ED BELT BELT
“MAT “MATER ERIA IA
Trou Trough gh Angl Angl Width
Angle
20°
mm
500
35°
0°
45” 0.0186
4 2 8 7 3 4 )50
40”
0.0180 5 2
o’ 4 2
0.0278
0.0287
0.0220 0.0256 0.0293
0.0260
0.0347
0.0406
0.0469
30° ioo
0.0402
0.0344 Io“ 3 5
0.0638 0.0582
10°
20° 1200
6 0 0 8 8
30°
0.160
5
0.0763
0.0798
0.0822
0.0736 0.0840
0.0677 0.0857
0.0763 0.0933
0.0838 0.0998
0.0898 0.105
0.134
0.120 0.136
0.112 0.137
0.146
0.154
0.163
0.171
0.176
0.171
0.184 0.214 0.277
6 3
0.113
0.126
0.142 0.172
0.153 0.182
0.158
0.175
0.191
0.204
0.238
0.253
0.264
0.272
0°
0°
0.130
0.159 0.209
20°
0.236
30°
0.293 0.167
0.244 0.233 0.300
I5 0.203
0.233 0.334
0.334
0.349
0.360
0.366
0.237
0.266
0.292
0.313
0.298
0.324
0.361
0.384
0.401
0.414
0.429
0.450
30° 2000
0°
0.207
10°
0.290
30°
0.465
0.253
0.501
0.530
0.554
IS 1159 11592: 2:20 2000 00
Concluded roug roug
Surcharge Width
4n le
Angle
mm 2001 2001
0.311
0.363
0.4~8
0.446
0.478
10“
0.357
0.408
0.455
0.494
0.527
0.552
20°
0.461
0.508
0.549
0.584
0.610
0.629 0.710
0.569
0.613
0.649
0.677
0.697
0.303 0.423 0.547 0.677
0.368
0.428
0.482
0.528
0.566
0.484
0.539
0.586
0.625
0.656
0.604
0.653
0.694
0.725
0.748
0.729
0.772
0.806
0.830
0.845
0° Io“ 20” 30°
0.360
0.439
0.510
0.573
0.628
0.672
0.502
0.575
0.640
0.695
0.741
0.777
0.648
0.716
0.774
0.822
0.859
0.885
0.801
0.863
0.914
0.953
0.982
0.999
0° 10° 20” 30°
0.413
0.505
0.585
0.660
0.721
0.774
0.578
0.663
0.737
0.803
0.885
0.897
0.749
0.827
0.894
0.950
0.993
1.025
0.928
0.998
1.063
1.104
1.137
1.158
o“
20” 30°
NOTE NOTE
40”
35°
0.257
2.10011
800’)
30°
0°
30”
600’ 600’
25°
Suit Suitab able le adju adjust stme ment nt mayb mayb
II In icat icates es
en ra ly no
made made in as of othe othe valu values es of surc surcha harg rg angl angl an trou trough ghin in
il
he c& tr
an mean mean fo info inform rmat atio io
7.23 7.23 Fina Finali lize ze driv driv powe powe cons consid id ring ring tran transm smis issi sion on loss losses es afte afte sele select ctin in mach machin iner er betw betwee ee driv driv pull pulley ey nd ur po alis alis
ri
elem elemen ent’ t’
pl ng belt belt/c /cha hain in driv drive, e, ge
me
nly. nly.
ss
Ac ua nc he
ot
Ta pe ds
sh ws he ff re si
pe ds
ys sh
na shaft shaftin ings gs an serv servic ic life life
nv yo (s
be ts
se
ug
nd
de sp
do
8.1. 8.1. Phys Physic ical al Co Cond ndit it on of Mate Materi rial al re sh
ys hy onve onveye ye wh
ri
movement. 7.28 7.28 Calc Calcul ul te co stin stin an corr correc ec
on wabl wabl
lik cou
spec spec fica ficati ti
box. box.
rive rive haft haft
angl angle. e.
coas coas in
im of ndiv ndivid idua ua conv convey eyor or time time fo th conv convey eyor or syst system em
si
follows: .b High High temp temp ratu rature re
mu he
on
ff
7.30 7.30 Calc Calcul ul te th br king king forc forc
ra
De
mine mine
c) NonNon-ab abra rasi sive ve d) Mild Mild
nd torq torque ue requ requir ired ed
Abra Abrasi si
ES GN AS 8. ra Design
ri
Ma ri
Af
or
8.1. 8.1. Th prop proper er desi design gn of belt belt onve onveyo yor/ r/co conv nv yo syst syst nf st ri dl d. Ge ra ma is
bras brasiv iv
rasi rasi h) Easi Easily ly degr degrad adab able le k) High Highly ly corr corros osiv ive, e, Ex
ng
p) Infl Inflam amma mabl ble, e, dros dros op as he
sl
wn
here hereve ve
nd
rm
st
IS 1159 11592: 2:20 2000 00
7.6,8 .3.2,8 .3.2,8.4. .4.3,8 3,8.4. .4.3.2 3.2 (Clauses 7.6,8
nd 8.4. 8.4.5) 5)
--t
FIG.
MAXIMUM
NB
FH
DM
OF HANDLE HANDLE
FORTwo FORTwo EQUA EQUA IDLE IDLE TROU TROUGH GHEDBE EDBELT LT Belt Belt Widt Widt mm
MATERI MATERIAL AL FORFLA 13ELT 13ELT
Surcharge Angle
ro gh
ng
15“ 300
o“
10°
0.00.14 “0.0029 0.0044
20” 30” 400
500
650
800
o“ o“ 20” 30°
1600
0.0112
0° o“ 20” 30°
0.0232
0° o“ 20° 30°
0.0342 0.0413
0° o“ 20” 30°
0.0277 0.0399
0° 10° 20” 30°
0.0449
o“ Io“ 20” 30° 1400
0.0028 0.0057 0.0087
0.0085
0.0763
0.0846
0.125 0.156
0.0956
0.104
0.140 0.170
0.153 0.181
0° o“ 20” 30” 0° 10° 20°
Suit Suitab able le ad ustm ustmen ents ts ma be
0.0083 0.0169 0.0259 0.0130 0.0265 0.0406 0.0210 0.0427 0.0653 0.030-8 0.0626 0.0958 0.0425 0.0864 0.132 0.0560 0.114 0.175
30°
NOTE NOTE
0.0047 0.0094 0.0145
ad in as of othe othe va ue of surc surcha harg rg angl angl an trou trough ghin in
angl angle. e.
IS 1159 11592: 2:20 2000 00
(Cla (Claus uses es 7.6, 7.6, .3.2 .3.2,8 ,8.4 .4.4 .4 and Conveyor Inclination,
slope
Conveyor Inclination, Degrees
Slope Factor
Degrees
Degreea 1.00 0.99
16
0.89
0.97
20
0.81 0.78-0.76
26
0.66
29
0.59
0.73
23
0.71
1.0
1.
E“
UJ
0.8
0.7
0°
10°
5°
15°
SLOP SLOP FIG.
FACTOR
AS
FUNC FUNCTI TIONOF ONOF
-2{
ANGL ANGLE, E,6— 6—
FO ASCE ASCEND NDIN IN CONV CONVEY EYOR OR
8.2
Sele tion tion of 8.1.4.1 Sele physiondi ondi
ns
un
8.1. 8.1. Flow Flowab abil ilit ity, y, Abra Abrasi sion on an Othe Othe Misc Miscel ella lane neou ou Char Ch arac acte teri rist stic ic of Mate Materi rial al “8.1.5.1 of surc surcha harg rge, e, th
of repo repose se an ngle ngle lo abil abilit it of bulk bulk mate materi rial al is give give
is ella ellane neou ou char charac acte teri rist stic ic of mate mate ia in 73
nd
h;
b) Lo ding ding nd unlo unlo ding ding cond condit itio ions ns c) Si e, shap shap s, lo bili bility ty an othe othe stic stic of th at rial rial onve onveye yed, d,
hara haract ct ri
d) Bel constr construct uction; ion; e)
an othe othe
ui
a)
io
be
veyo veyo
Idle cons constr truc ucti tion on an diam diamet et r. f) Idle 8.2. 8.2. Belt Belt spee spee shal shal be sele select cted ed ro onsi onside dere re
unde unde spec specia ia de ig
th re om en
ondi onditi tion ons. s.
IS 1159 11592: 2:20 2000 00
laus laus
nd
of
v= l.orn/s
Belt Belt spee spee
Slope
Belt Width
Angle
45”
mm
56 85
So
105 106
20°
123
135
145
168
30°
800
10°
186
229
30° 0° 1000
323
10° 30°
399
392
464
0° 20°
464
551
511
587
525
554
615
633 720
1400
o“
352
10°
497
569 882 997
30”
878 1019
572 1600
10° 939 30°
1080
1015
1054
1202 1051
1685
30”
2000
—— (J E—
1127
1303
1397
o“
1544
1620
20°
1793
1850 2091
30” Su tabl tabl
djus djustm tmen ents ts
in
of th
of
12
rc ar
le an trou trou hing hing
gl
IS 1159 11592: 2:20 2000 00
7.6, (Clauses 7.6, Bulk Bulk dens densit it
of mate materi rial al
an 8.4. 8.4.5) 5)
.3.2 .3.2,8 ,8.3 .3.3 .3
t/m3
Bel spee spee Slope Slope factor factor
o I
20”
15“
300
400
r T
25°
0° Io“ 20° 30”
5.0 10.5 15.8 27
33
I0°
30
30°
50
55
58
0°
36 53 67 84
46
55
20° 30°
31
76 --
20” 30°
121 151
o“
99
800
171
193
47
208
248 310 374 443
75 154 235
20” 0° 20” 30°
161
344 417
304 381
367 o“ 30°
403
342
612
561
551 651
225 345
0° 153 311 475
20” 30° 0° 20°
201 410
30°
630
NOTE NOTE
13
IS 1159 11592: 2:20 2000 00 8.2.3
ma eria eria is iven iven
a) acce acce erat erat on in cove cove b) enco encour urag agin in ai born borne; e;
able able
an
hich hich ar calc calcul ulat ated ed
ear; ear;
of lo dens densit it mate materi rial al to beco become me
increa ease se in ro uc size size de rada radati tion on an c) incr reduct ct on d) redu
if
chut chutes es an
rans ransfe fe
evic evices es
..
the convey conveyors ors be exer exerci cise se whil whil sele select ctin in spee speed, d, as lowe lowe spee spee will will make make th inst instal alla la io cost costly ly ee ag powder powder materi materials als
ep ha to trav travel el Fo norm normal ally ly flow flowin in mate materi rial al surc surcha harg rg
8.2.4
alue alue
asil asil flow flowin in
almo almost st flui flui mate materi rial als, s, ow
8.3 8.3.1 Th
idth idth
be is pred predom om na tl
an th capa capaci city ty requ requir irem emen en area area lope lope acto acto an carr carr in of belt belt conv convey eyor ors. s. .3.3 .3.3
inte intern rnal al fric fricti tion on
over over ed by
th conv convey eyor or ca acit acit
acco accoun un he decr decrea ease se
resp respec ec ivel ivel
th sect sectio io
diff differ eren en incl inclin inat atio ions ns of
an ed-m ed-maa-
conv convey eyor or
an
ca
th
el ed
en
ze wo valu values es shal shal be adop adop ed
tspee tspee
re Tabl Tabl 11shall 11shall be-m be-mul ulti tipl plie ie by th actu actual al bulk bulk dens densit it ri ee an oper operat atio ions ns into into acco accoun unt, t, th capa capaci city ty of belt belt conv convey eyor or calc calcul ulat ated ed acco accord rdin in to 8.4. 8.4. shal shal be gene genera rall ll limi limite te
8.4 determined
8.4.1
rima rimari rily ly a) Cr
75 perc percen ent. t.
th foll follow owin in thre thre fact fact rs ct
8.5 Pulley(s). requir ired ed 8.5.1.1 Th requ
bein bein hand handle led, d, whic whic dete determ rmin ines es he ua tity tity
al he resi resist stan ance ce
ener eneral al form form la fo calc calcul ulat atio io
..
i+
an
Slope factor factor c) Slope 8. .2
driv on th driv ed
given given crosscross-sec sectio tion; n; b) Sp
erip eriphe hera ra forc force, e,
+R
of he capa capaci city ty as
+R
+mG. +mG. H.g+ H.g+R, R,Pl Pl+R +R,P ,P
.. 14
.( )c
..
IS 1159 11592: 2:20 2000 00
where T~
he
driving
resistance;
ll ys
conv convey eyor or
requ requir irin in
brak brakee-mo moto tor. r.
NOTES
Underfavora Underfavorable ble conditions conditionssuch such asfixed asfixed ta ti
alig aligne ne
wi
belt belt conv convey eyor or
fr ctio ctio
i)
the du to th acce accele lera rati tion on of th
teri teri
rs
teri teri l,
te
ff ct on
idle idlers rs andh andhig ig
ig ).
an prop proper erly ly alig aligne ne
nd ow
with with badl badl roll rollin in
rc
ii)
inte intern rnal al
(b
form Th basi basi valu valu 0.02 0.02 co form
to
majo majori rity ty of case cases. s.
conv convey eyin in qu pe
load loadin in
ro ling ling
prod produc ucts ts with with an aver averag ag it thre thre -rol -rol ry
inte intern rnal al fric fricti tion on coef coeffi fici cien ent, t, fo he er of th
area area
iii)
diam diamet eter er carr carryi ying ng idle idlers rs with with laby labyri rint nt
grea grease se seal seals, s, toge togeth ther er with with
1to
be ring rings, s, an iv)
th
is
du ul ys
th foll follow owin in coetlicienta; b) fo trou trough ghin in
le of
fo
i) th idle idle in th dire dire tion tion of
ov ment ment
of
r/
d) fo carr carryi ying ng idle idle diam diamet eter er lowe lowe thanthe thanthe abov abov ment mentio iond nd e) fo surr surrou ound ndin in
te pera peratu ture re
of es than than 20”C 20”C
f) fora fora decr decrea ease se of th belt belt tens tensio ion; n;
ii)
resi resist stan ance ce due to fric fricti tion on agai agains ns chute chute
g) fo flex flexib ible le
ar ss belt belt an thos thos with with thic thic
an flex flexib ible le
covers;
pr sent sent ov
th fi
leng length th of th -b l$
h) fo poor poorly ly alig aligne ne j) when when oper operat atin in
inst instal alla lati tion ons; s;
cond condit itio ions ns ar dust dust an we and/ and/or or stic sticky ky
comp compri risi sing ng of i)
resi resist stan ance ce du to fric fricti tion on with with belt belt an pulley pulley cleane cleaners, rs,
ii)
side side (low (lower er stra strand nd]o ]o
Th arti artifi fici cial al fric fricti tion on coef coeffl flci cien ent, t, of if he co itio itio
ma decr decrea ease se unde unde th basi basi te Note Note
When When th inst instal alla lati tion on
unde unde no-l no-loa oa
oper operat atin in
length, resi resist stan ance ce du to inve invert rtin in th retu retu
iii)
resi resist stan ance ce du to disc discha harg rg plou plough ghs, s, and resi resist stan ance ce du to trip trip rs
S~=
re to
ns
as of th movi moving ng part part
ra -mot -mot r, ri ~m
w-
fety fety
he re ul of th re
th
of
un
tain tain
adve advers rs cond condit itio ions ns and/ and/or or type type inst instal alla lati tion on as fo exam exampl pl
in case case
of und underg ergrou round nd mine mines. s.
Tota Tota resi resist stan ance ce with withou ou slop slop resi resist stan ance ce an witho without ut spec specia ia resi resist stanc anc Mai resista resistance nce
la io
artifi artificia cia coeffi coefficie cient nt of fticti ftiction, on, dimens dimension ion less less comp compri risi sing ng of roll rollin in resi resist stan ance ce of th
on th
cond condit itio ions ns th
ff
op tanc tanc du to lift liftin in or lowe loweri ring ng th mate materi rial al on in clin clined ed conv convey eyor ors; s; an ...(7) m=.H. m=.H. fo
runn runnin in
cond condit itio ions ns depe depend ndin in
lati lati
iv)
the” the”be belt lt
1)For conv convey ey isuns isunsur ure, e,
with with entr entr dist distan an es lesstha lesstha
indi indica cate te by th batc batche he ar
of Fig. Fig. 6. Wher Wher
seco second ndar ar resi resist stan ance ce an th grea greate te valu values es fo shor shor high high spee spee feed feed conv convey eyor or
m,
arepossib possible le
of larg larg capa capaci citi ties es
th sm ller ller especi especiall all
IS 1159 11592: 2:20 2000 00 5.0
4.5
64.0
u.
3.0
2.5
2.0
1.5
1.1 1.05 1.0
FIG.
100
10
1000
200
VALUES VALUES OF COEFFI COEFFICIE CIENTC NTC AS FUNCTI FUNCTION ONOF OF CONVEY CONVEYOR OR LENGTH LENGTH
is
8.5.1.3
.—R~~
ls se
.. (8)
kglm
where ...(9)
where
R, lo
th we
...(10)
le
in .. (1
is iv
lo
le
leng length ths. s. Howe Howeve ve equa equati tion on (6 ca be used used fo appr approx oxii-
p2.Q2.1000p.g.1, ...(13)
IS 1159 11592: 2:20 2000 00
in
(not (not to be al ulat ulat
or driv driv pull pull ys
in
‘B[’40+001”a+ NOTE NOTE
,(14)
for
Th
...(23) fric fricti tion onal al resi resist stan ance ce du to belt belt clea cleane ners rs Rb, shall
belt
‘2B[200+00’”a: re
..(15)
B.K=
Rw
0.4 ro gh fa to
ll
For guid guidan ance ce foll follow owin in
trough
tabl tabl give give th valu values es of wrap wrap resi resist stan ance ce
Loca Locati ticu cu of
ff idle idlers rs nd belt belt
Wra Resista Resistance nce of Be
?’Ldley
Tigb[ side
50 to 240° 240°
230
Slac Slac
50 to 240° 240°
175
side side rp
...(24)
coef coeffi fici cien en of fric fricti tion on betw betwee ee mate materi rial al an skir skir plat plates es
140
0.5 to 0.7
!ca culated
Rv
0.005~
Pr ssur ssur be ween ween belt belt le ne 5N
...(16) .. .(16)
...(17)
‘&PI
coef coeffi fici cien en of fric fricti tion on betw betwee ee mate materi rial al an belt
grou grou
on ry
hang hang
or on
lopi loping ng in th down down ra
ff
a) empty empty convey conveyor; or;
resi resist stan ance ces. s. R,Pl R,Plan an RSP1 RSP1 sp ci
slop slop
rr diti dition ons, s, fo exam exampl ple: e:
0.5 to 0.7 nd
wi
re
coef coeffi fici cien en of fric fricti tion on betw betwee ee mate materi rial al an skir skir plat plates es
R,v=
nd belt belt
b) full full load loaded ed thro throug ugho hout ut c)
resi resist st nces nces
(R$,l+-R~P2)
...(18)
i+
ac se tion tion requ requ re posi positi tive ve forc forc to move move it
...(19)
where
RI
resi resist st nc du
dl
ilti ilting ng
d)
re
io
)c thre thre
qual qual leng length th ro lers lers )c
~c
8.3.2.1 Th high highes es peri periph pher eral al forc forc on th driv drivin in pulpul-
ley, ley, whet whethe he posi positi tive ve or nega negati tive ve foun foun in this this mann manner er shal shal be used ys
.. (21) (21)
rollers.
8. .3
resi resist stan ance ce du to fric fricti tion on betw betwee ee hand handle le
wz.Q2.1OOOp..1,~ V2b~
.. (22) (22)
el Co Conv nv yo Op rati rating ng Powe Powe
1000 17
equi equire reme ment nt
.. (2
IS 1159 11592: 2:20 2000 00
PA=—
‘Ika ‘Ikans nsmi miss ssio io
.. (26)
Unit Unit
[Cla [Claus us 8.5. 8.5.3. 3. (Not (Not ~pe
where
)] Percentage
of Driv Driv
Etllciency
Encl Enclos osed ed gear gear unit unit
re
Sing Single le redu reduct ctio io heti hetica catl tlst stra raig ight ht cu Doub Double le redu reduct ctio io heli helica cal/ l/st stra raig ight ht cu Tripleeduc educti tion on heli helica caf/ f/st stra raig ight ht cu
and
Use manufacturers rating
Spiral Spiral bevel/helical/w bevel/helical/worm orm gear
(s (27)
Double reductio Tripl reduction Chain Chain drive drive Total Totally ly encl enclos osed ed an oi lubr lubric icat ated ed V-Bel drives Tooth bel driv drives es
95 95-98
fo conv convey eyor or requ requir irin in Tosi Tositi tive ve powe powe
turer’ turer’ NOTES
zf NOTES
en il te
referred.Howe Howeve ve
Whil Whil
wher wher
es till tilled ed
it
th
an ac ur r’
ec
Mult Multip iply ly toge togeth ther er appr approp opri riat at perc percen enta tage ge fo each each redu reduct ctio io from from
nece necess ssar ary, y, th actu actual al eftl eftlci cien ency cy
into into acco accoun unt. t.
transmission.
deci decidi ding ng on th moto moto powe powe to be adop adopte ted, d, cons consid ider erat atio io
shal shal be give give to th actu actual al like likely ly cond condit itio io
of usag usag of inst instal alla lati tion on
rJ,= rJ,= 1.ot 1.otoo oo.9 .95. 5.
tens tensio ioni ning ng devi device ces; s; an
8.5. 8.5.3. 3. Ad itio itiona na powe powe requ requ re
du
ri pe
a) If belt belt conv conv yo ha n, numb number er of trip trippe pers rs-t -the he powe powe requ requ re en shal shal be Pa=~(l+ntp)+
lo
ompl ompl tely tely
part part ally ally oade oaded. d.
.(
fo
where
we rt
b)
ed
lubricants.
Effi Effici cien ency cy of vari variou ou tran transm smis issi sion on elem elemen ents ts shal shal be take take into into Table12 acco accoun un whil whil adop adopti ting ng th alue alue ofq,.Forguidance, ma be take take
rating rating
ab
13give 13give th valu valu
fa tor~ tor~fo fo
rs oe
driv drivir irrg rg pull pulley ey(s (s
tr pp
forc forc Tz in th re ur th form formul ula: a:
thes thes ar appl applic icab able le
el sh ll be calc calcul ul te
fr
c) conv convey eyor or lift lift (H). (H).
(30)
d) pull pulley ey fo
.,..
belt belt conv conv yo with with ‘n ’num ’numbe bers rs base base
l~sg—
where
8.5. 8.5. Belt Belt Forc Forces es
T=
rc re at diff differ eren en poin poin on belt belt of th conv convey eyor or depe depend nd upon upon a) b)
Ea
r; th char charac acte teri rist stic ic
pulleys;
P“
ra
c)
.. (31) (31)
systems; 18
of sele select cted ed driv drive. e.
may
-IS 11592:2 11592:2000 000 3fo
[Cla [Cla se Conveyor Length
0°
.5.3 .5.3.3 .3 a) an
19.50
.5.3 .5.3
6“ -10° -10°
11”-15°
16°-20°
“0.27 10
0.29
0.24
0.19
Is
0.20
0.17
0.15
20
0.21
0,17
0.14
0.12
30
0.19
0.11
0.10
0.08
45
0.15
0.10
0.08
0.08
0.11
0.08
0.08
0.08
0.11
0.08
0.08
0.08
60
—-
75 90
0.11
0.10
0:08
0.08
0.08
120
0.09
0.09
0.08
0.08
0.08
0.08
0.07
0.07
0.07
0.07
0.07
50 210
0.07
250
0.07
0.07
0.07
300
0.07
0.07
0.07
6(X3
0.07
0.07
0.07
0.06
1000
[Cla [Claus uses es 8.5. 8.5.3. 3.
=57
0°
11°-150
1“-5”
16°-20°
0.52
0.44
10
0.54
0.46
0.35
15
0.36
0.30
0.25
20
0.40
0.30
0.23
0.19
30
0.32
0.21
0.17
0.14
0.15
0.13
45
.—
0.27
60
0.21
0.15
0.12
0.11
75
0.19
0.14
0.11
0.10 0.09
90
019
0.17
0.12
0.10
120
0.14
0.13
0.10
.—
50
0.13
0.12
0.10
180
0.11
0.10
210
0.11
0.10
250
0,10
19
IS 11592:2000
Th mini minimu mu
(Cla (Claus us
tens tensil il forc forc Tn,i Tn,ifl fl whic whic shal shal be exer exerte te
8.5. 8.5.4. 4.3) 3)
sl
Drive
No.
mm
Coefficient
8S to
.. (33) (33)
8S
bush bush coup coupli ling ng and. and.di dire rect ct on line line star star
1.5tol.6 coup coupli ling ng an di ec on he ne st rt
where
iii)
Thre Thre
special
hase hase sq ir el cage cage moto moto with fluidcouplingwithdelayedchamber
1.2tol.5
fitting 1.2
he generally
spec specia ia flui flui
coup coupli ling ng with with dela delaye ye
cham chambe be
with with pane pane an scoo scoo cont contro ro
fixe fixe at betw betwee ee 0.00 0.00
hree hree
v)
bl
hase hase squi squirr rrel el
coup coup in
an
ag moto moto
star star /d lt
it
ex
1.2
star start, t, sl p-ri p-ring ng
moto moto with with slip slip gear gear star starti tinr nr cont contro ro
or
th conv convey eyin in leng length th shal shal he dete determ rmin ined ed fo each each load load char charac acte teri rist stic ic of th driv drivin in an brak brakin in devi device ces, s, an
conv conv ye
prod produc ucts ts
nd th pe iphe iphe al forc forc
la
ulle ulley, y, nd th belt belt
hi
isunive isunivers rs ll
alid alid It is only only in th
ow br king king or es or stop stoppi pi be
he pl nt
lcul lcul ted, ted, pp oxim oxim tely tely by usin usin
...(34)
ppli ppli
is ne Specifica icatio tio 8.6 Bel Specif
no prac practi tica cabl bl to prod produc uc diff differ eren en take take-u -u forc forces es with with di fe nt lo case cases. s. he imum imum tens tensil il or be us
em
ma
er
@A
FIG. FIG.
TENS TENSIL IL FORC FORCES ES EXER EXERTE TE ON“BE ON“BELT LT
re
em
IS 1159 11592: 2:20 2000 00
(Cla (Claus us 8.5. 8.5.4. 4.3) 3) Pu le
Le
RubberLagging withHerringbone PatternedGrooves
Smoo Smooth th Bare Bare Ri St el Pulley
Operating Conditions Dr
condi conditi tion on oper operat atio io
Oper Operat atio io nd
unde unde we
Lagging withHerringbone Patte Pa tterne rne Groov Gro oves es Caramic
PV Belt Belt Type Type
0. to 0.45 0.45
0.35 0.35 to 0.
0. to 0.45 0.45
0.25
0.35
0.35
0.35 0.35 to 0.
0.15 0.15 to 0.30 0.30
0.25 0.25 to 0.
0.2
0.35
Less Less than than 0.2
0.23
0.2
0.3
0.15
o.I
Clea Clea we cond condit itio io (wat (water er opera operati tion on
Pulyurethane Laggingwith .Herringbone PatternedGrooves
tO
0.35
conditions)
0,05
Oper Operat atio io unde unde very very dirt cond condit itio io wei an dirt
of plie plie of text textil il fabr fabric ic Th stre streng ngth th of fabr fabric ic an th numb number er of plie plie in th carc carcas as th belt belt aybe aybe vari vari toge togeth th to suit suit th stre strengt ngt requi require reme ment nts. s. Howe Howeve ver, r, th stre streng ngth th of he be Theref Thereftrr trre,the e,the bel wit lessernumbe lessernumbe of plie wit stronstronge fabr fabric ic is gene genera rall ll pref prefer erre re beca becaus us it is more more flex flex ible ible both both in trou trough ghin in an goin goin roun roun th term termin inal al pulpulstee cord cord beki beking ng is used used to meet meet th cond condit itio io leys. Th stee of sm ll long longat atio io nd good good trou trou hbil hbilit it in onju onjunc nc tion tion with with high higher er oper operat atin in tens tensil il forc forces es PV belt beltin in is gene genera rall ll sele select cted ed fo unde underg rgro roun un mini mining ng appli applica cati tion on where where fir hazard hazard exists exists 8.6. 8.6. Sele Sele tion tion of Belt Belt Carc Carcas as or
la
um nu be of plie plie or dequ dequ te load load uppo upport rt or maxi maximu mu widt widt fo adeq adequa uate te load load supp suppor or fo vari variou ou types types/c /cons onstr truc ucti tions ons as also also impa impact ct load load ing. b)
dequ dequat at flex flexib ibil ilit it to tr ug on th pe ifie ifie ngle ngle of idle idlers rs..- hisma hisma be heck hecked ed hnu fact factur urer ers’ s’ reco recomm mmen enda dato tory ry tabl tables es propro-vi vial alin in maxim maximum um number number of plie for adequa adequate te trough troughmg mg variou variou
types/ types/con constr struct uctions ions
subs subseq eque uent ntly ly cros crosss-ch chec ecke ke fo comp compat atib ibil ilit it with with th vert vertic ic curv curves es oc urri urring ng on th onve onveyo yo (see (see 8.9) 8.9) 8.6. 8.6. Sele Sele tion tion of Co Cove ve pe ne he ov clud clud resi resist stan ance ce to cutt cuttin ing, g, gaug gaugin ing, g, tear tearin ing, g, abra abrasi sion on g, om io oils oils chem chemic ical al an heat heat
orda ordanc nc
(FTT (FTTS) S) (bel (bel type type). ). 8.6. 8.6.2. 2. Full Full thic thickn knes es tens tensil il stre streng ngth th (F TS meth method od Th valu valu of tens tensil il forc forces es (see (see 8.6. 8.6.2. 2.1) 1) thic thickn knes es tens tensil il st engt engt of th
quir quir
ulti ultipl plie ie by belt belt Th
ul
or ts of beltjo beltjoin int, t, type type of kb-u kb-u devi devi an type type of ta ting ting or onve onve tors tors Fo gene genera ra guid guid nc acto acto of af ty of 10is no ll us or text textil il belt belt it vulc vulc ni ed oi stee stee cord cord belt beltin ing. g. he heck hecked ed
n, he th fo lo in tw
te on trai traint nt
ll
mate materi rial al carr carrie ie fo the spec specif ific ic widt widt of the belt belt reco recomm mmen enda dato tory ry tabl tables es prov provid idin in
eith either er mini mini
impo import rtan an of whic whic are: are: a) abra abrasi sive ve qual qualit itie ie of th mate materi rial al bein bein hand handle led. d. loadin in cy le th is th fr qu nc it hi b) load th he c) lump lump size size of th mate materi rial al d) load loadin in an unlo unload adin in cond condit itio ions ns peratu ture re of th teri teri to be hand handle led. d. e) te pera chem chemic ical al acti activi vity ty of th mate materi rial al contam amin inat atio io of th mate materi rial al with with oils oils g) cont h) ba
hi kn
is te
over over thic thickn kn ss ismini ismini um 4. thic thickn knes es of face face cove cover. r.
ts nd rang rang up
il
8.6. 8.6.3. 3. Care Care shal shal be take take fo th dete determ rmin inat atio io of back back
considerpwar pwar
nd a‘hori a‘hori onta onta
ntra ntra roll roll
2) 8.6. 8.6. .5 Th
ov
gr de is dete determ rmin in
belt belt (see (see ig 3) cons cons stin stin of tw id ntic ntic idle idle roll rolls, s, incl inclin ined ed upwa upward rd 10 faci facili lita tate te th
hara haract ct risris-
3) Hori Horizo zont ntal al carr carryi ying ng idle idle fo supp suppor orti ting ng flat flat 8.6.4 Stan Standa dard rdiz izat atio io
of Belt Belt Co Cons nstr truc ucti tion on we wh th conv convey eyor or fram frame. e.
cons cons de st ndar ndardi di atio atio
of carc carcas as an
pa ticu ticu ar wi th .i er of expe expect cted ed life life an inve invent ntor ory. y. It ma be note note
resp respec ec to ctua ctua serv servic ic
1)
ru ondi ondi ions ions that that exis exis on ea
standardizing.
ro
8.7 Pulleys th work workin in tens tensil il forc forc an maxi maximu mu fr
th reco recomm mmen ende de
2)
allo allowa wabl bl tentenvalu valu
fo
cross-section.
8.7.1 Base Base on perc percen enta tage ge tens tensil il forc forc (rat (ratio io betw betwee ee
shal shal be sele select ct
used used yp to carr carryi ying ng
rela relati tive vely ly long long hori horizo zont ntal al roll roll an tw shor shor upwa upward rd in line line roll roll does does no form form give give
give give
ondi onditi ti ns fo inst inst nc wh re onve onveyo yor’ r’ lo us be spre spre fo manu manu insp inspec ecti tion on pick pickin in up or sort sortin ing. g. Th incl inclin ined ed en roll roll
8.7. 8.7. Th dr ve pull pull ys ma be lagg lagg d, wh reve reve necnecessa essary ry to incr increa ease se he co ffic fficie ient nt fric fric io be ween ween ri
turn
mini minimi mize ze spil spilla lage ge
12
3)
diffe differe rent nt vert vertic ical al plan planes es 4) Cate Catena nary ry type type
st
inte integr gral al sm smal al diam diamet eter er roll roll or mult multip iple le roll roll mate materi rial al an appl applic icat atio ion. n. be ring ring
.8.8 .8.8 Idle Idlers rs 8.8. 8.8. Gene Genera ra Type Type of Idle Idlers rs
cate catena nary ry memb member er
8.8. 8.8.1. 1. Ther Ther ar tw basi basi type type of belt belt conv convey eyor or idle idlers rs
of th 8.8. 8.8. .2
he ends ends of th cate catena nary ry memb member er
5)
onve onveyo yo belt belt
rryi rrying ng idle idlers rs
6)
a) Gene Genera ra
onfi onfigu gura rati tion on Carr Carryi ying ng idle idlers rs ca have have thre thre type type of gene genera ra conf config igur urat atio ions ns
ri he-l he-lum um size size nd th weig weight ht 22
th hand handle le
IS 1159 11592: 2:20 2000 00
us frequently
used
si bein bein made made of spac spaced ed resi resili lien en disc discs. s. Simi Simila la impa impact ct idle idlers rs ar made made to supp suppor or flat flat load loaded ed belt belt also also Fo mode modera rate te impa impact ct abso absorp rpti tion on ou
as ri
he
iii)
fe
us
si
se
ra
xe gu
on st
disp displa lace ceme ment nt such such fixe fixe idle idlers rs shal shal be
nc appr apprec ecia iabl bl tran transv sver erse se disp displa lace ceme ment nt beca becaus us onti ontinu nuou ou cont contac ac with with fixe fixe
manu manufa fact ctur urer er Wh Wher er garl garlan an type type carr carryi ying ng
lera lera 7)
pp st
fe
dg we re
bl
8.8. 8.8.1. 1. Retu Return rn idle idlers rs
head head an ta pull pull ys on wide wide,. ,.hi high gh tens tensio ion, n, lo stre stretc tc belt belts, s, supp suppor orte te on 20 or abov abov
various various functio functions: ns: a)
idle idlers rs ar desi design gned ed with with conc concen entr trat ator or (end (end desi desi nd ha fo adeq adequa uate te tran transv sver erse se belt belt move moveme ment nt with withou ou pull pulley ey In case case of adju adjusta stable ble tran transi siti tion on idle idlers rs frame. b) Tr
dl rs
he
rs
us
8) to tr in or alig alig th belt belt
entr entr
posi positi tion on spec specif ifie ie in 8.8.l.2(b)(8). c)
disp displa lace ceme ment nt both both trou trough ghin in idle idlers rs an flat flat arry arryin in idle idlers rs ca -beso -beso arra arrang ng that that they they
us
be br
unit units, s, ar pivo pivota tall ll moun mounte ted, d, wi
ve here here
moun mounte te so that that when when th belt belt dikp dikpla lace ce
nd
us ng
icky icky we
retu return rn idle idlers rs caus causin in misa misali lign gnme ment nt of th ever everal al type type of self self lean leanin in re ur idle idle re va very very ge sc ou shap shaped ed self self-c -cle lean anin in retu return rn idle idlers rs ar used used roll rolls, s, heli helica ca an meta metall-ca cage ge idle idlers rs pres presen en
th pivo pivo
gene genera ra meth method od of pivo pivo ally ally moun mounti ting ng th idle idlers rs ar as fo lows lows
se
ry
pivo pivo
8.8. 8.8. Idle Idle Spec Specif ific icat atio io
ha wh
IS -8598 -8598 23
ra be t. roll roll
Disc Disc only only
IS 1159 11592: 2:20 2000 00 8.8.3 Tiltin Tiltin ofldle ofldle
Id
.8.3 .8.3 sp
fi
-b
mpac mpac
r.
rs bel convey conveyor. or.
re
load load
im ting ting be sa shal shal be cons consid ider ered ed
rs
1)
ross ross-s -s
2) .8.4 .8.4 .8.4 .8.4.1 .1
arry arryin in
3)
idle idle spac spacin in
lo
rati rating ng alue alue
In or al circ circ ms msta tanc nces es co veyo veyors rs arra arra ge fo carr carryi ying ng idle idlers rs
foun foun
be conv convey ey r:
be suit suitab able le
8.8. 8.8.4. 4. Th spac spacin ings gs of carr carryi ying ng as well well as retu return rn idle idlers rs
a)
sh
greater.
ec
b) c) Th
ra tica tica uppe uppe im
be sa is
erce erce ea
sh spacing.
.0
rc 8.8. 8.8.4. 4.
si
ci
an rm (3 ).fo ).fo grad grad ated ated dler dler spac spacin ings gs
firs firs
sl ight ight be ne-t ne-ten en
rs st
d)
)a
se
Calc Calc lati lati
ro
-a of tran transi si io
rr ista ista ce
rr th pull pulley ey Th tran transi siti ti
dist distan ance ce ther theref efor ore, e, shal shal be
deci deci in
ct s, of th conv convey eyor or le gt
su
so as
ri
so
ri
rn
conv convey ey r. Th rans ransit itio io dist distan ance ce shal shal from from th foll follow owin in form formul ula: a: sele select cted ed as to ensu ensure re that that th belt belt do-e do-e no loos loos it roug roughe he shap shape. e. If he slop slop th on ey su
si
ri
rs
[1 AT
calc calcul ulat ated ed
... (3
IS 1159 11592: 2:20 2000 00
[Cla [Claus uses es 8.8. 8.8.4. 4.l( l(g) g) an 8.8. 8.8.4. 4.2] 2] Alldimensions rnillime rnillimetres tres Belt Belt Widt Widt
Trou Trough ghed ed Belt Belt arry arryin in
Id er
et fo
Dens Densit it
ur
Ftat Ftat Belt Belt
at rial rial
of
lk
Trot Trotrg rghe he
an Flat Flat Belt Belt
(t/m (t/m3) 3)
o 1 Reco Recomm mmen ende de
Spac Spacin ings gs
300 400 500 650
1000
800 1000
1200
1000
3000
1200 1800 2000
where with with 8.8. 8.8.4. 4.4. 4.
BsinA
b) Th ri
top
th ta pull pull
ding ding hu
BsinA by
pt
ov
nd rd
ns
c)
...(37)
4.5
sh ll be in ac orda ordanc nc
wh reve reve firs firs ri be so that that neit neithe he th idle idle is hurt hurt by th impa impa
he
re E= d)
N/in N/in an is prov provid ided ed by th manu manufa fact ctur urer er AT
pa ng
re
rubb rubber er guar guar stri strip. p. e) Ru Rubbe bbe cove covere re idle idlers rs or alte altern rnat ativ ivel el moun mounti ting ng bl sh be cons consid ider ered ed if th impa impact ct of th mate materi rial al is seve severe re considered. When en idle idle sp cing cing is grad gradua uate ted, d, th f) Wh
si ra
sp in
he
dler dler just just
section. ca
Th foll follow ow ng po nt shal shal be cons consid id re whil whil deci decidd-
nv or
uo
plou plough gh feed feeder er or by mobi mobile le recl reclai aime me prov provis isio io 25
IS 1159 11592: 2:20 2000 00
supp suppor orts ts an nuou nuou ly lo ed pace pace cu hion hion conv convey eyor orsh shal allh lhav av
idle idle
or th
b)
norm normal ally ly spac spaced ed trou trough ghin in
it supp suppor orts ts 8.9. 8.9. Co Conv nvex ex Cu Curv rves es
urve urve Fo lo in
poin points ts sh ll be take take
nv nt
8.9.2.1
on id rati ration on
a)
shai shailb lben enor orma ma
spac spacin ing, g, andf andfor or conv convex ex curv curves es
spac spacin in of th idle idlers rs or if th spac spacin in is vari variab able le conveyor. b)
(Cla (Claus us
8.8. 8.8.4. 4.4) 4) pa AT
or a)
vers verstr tres es of belt belt edge edge
Belt Belt Tens Tensio io
(TJ
8.8.5
1.0
;.30Tm
0.9
0.35Tm
0.8
0.45Tm
0.6 to 0.3
o.60Tm
0.2
0.40T~
0,1
0.20T=
0.05
O.lOT~
Minimu Minimu
radius radius
B.Es B.Esin in ‘C
4. (Tm– (Tm– ~)
b) ...(39) NOTES
TCwill will be check checked edfor for al load load cond condit itio ions ns Ract Racths hs to becheck bechecked ed
load cond condit itio ions ns an forallload
maxi maximu mu
radi radius us
to be adop adopte ted. d.
[dle [dle Sele Select ctio io
8.8. 8.8.5. 5. It is extr extrem emel el impo import rtan an to sele select ct prop proper er idle idlers rs
...(40)
pe 8.9..2.4 with with 8.8. 8.8.3. 3.7. 7.
suit suit bl id
dl
size size
8.9.3.1
he th belt belt curv curv
up
rd
ro
be ring ring load load
8.9 8.9.1
here here retw kind kind of urve urve in belt belt onve onveyo yors rs
he
is
ho izon izonta ta
IS 1159 11592: 2:20 2000 00
EN
POINT
1AN
All dimens dimension ion in mil]i mil]imet metres res
FIG.% RADIUS RADIUS OF CURVAT CURVATURE URE O R C ON ON V AC AC E C U
8.9.3.3
er
ma
me re
Mi
omme ommend nded ed as 45 me re fo
Rc=
B.EsinA
metr metres es .. 46
.5
ract ract ca purp purpos oses es HowHow-
satisf satisfact actory ory radius radius Mi
em
el carriers.
9.8 mB
metres
Mi
... (41) (41)
.9.3 .9.3.7 .7
al
ed l0
RC
~)
.. (42) (42)
Basi of Sele Select ctio io 8.10.1 Basi fundam amen enta ta equa equati tion on fo 8.10.1.1 Th fund
Rc=T,mmB.1000 9.8m~
,, an th mi imum imum te sile sile forc force, e,
... (43)
belt belt conv convey eyor or
,tha ,tha is th
lack lack
possible.
Tc,mJX=,~AX
8.10.1.2
s+R
mu on driv drivin in pull pulley ey(s (s). ).
... (44)
R,P21
ar
8.10.1.3
en wi part partia iall ll
Mini Minimu mu
radiu radiu
th
owes owes prac practi tica ca
Type an 8.10.2 Type
load loaded ed
8.10.2.1
‘C
27
Dr ve
Sing Single le unsn unsnub ubbe bed, d, bare bare/l /lag agge ge
mp es
13.EsinA EsinA
Sele Select ctio io
el tens tensio io is pref prefer erre red. d.
en
pull pulley ey driv driv ee
IS 1159 11592: 2:20 2000 00
T2/T T2/T allo allo
wear wear fo abra abrasi sive ve mate materi rial als. s. ag ed tens tensio io fo th driv driv is decr decrea ease se
majo majori ri
pulley.
belt abra abra
ag ed
ey snub snub ing, ing,th th
norm normal al medi medi
to ar
el
ee that that th driv driv syst system em incl incl di
capa capaci city ty
rial rial
ad
tand tandem em driv drives es ar used. driv driven en an shar shar he oa resu result lt ng in
ed en re rive rive mo or coup coup ing, ing, an en apac apac
comm commen en
en
.10. .10.3. 3. Th abov abov appl applie ie norm normal al duty duty conv convey eyor or with with sing single le or dual dual driv driv prov provid ided ed with with cont contro roll lled ed star star mo or (t at is flui flui coup coup in ce trif trif ga ydra ydraul ulic ic ed ce ee an acce accele lera rati tion on cont contro rol. l.
8.10 8.10.2 .2.3 .3 Tand Tandem em driv driv
ey ower ower effe effect ctiv iv
nece necess ssar ar to limi limi th torq torque ue deve develo lope pe duri during ng star startu tup, p, an exte extend nd he acce accele lera ra io erio erio as reas reason onab ably ly on ce
re uire uireme ment nt
or some some ex ra tens tensio io befo before re
at
ro ca
th plan plan an it acce access ssib ibil ilit ity. y.
8.10 8.10.2 .2.4 .4 Dr ve ulle ulleys ys
it
wi
rive rive betw betwee ee th elec elec ri mo or an
8.10 8.10.3 .3
nput nput shaf shaf of th dr ve ct spee speed, d, ac moto moto be em loye loyed, d, whil whilst st rovi rovidi ding ng th desi desire re acce accele lera rati tion on cont contro rol. l. It is impo import rtan ant, t, howe howeve ver, r,
rive rive mo or over overco come me th iner iner
elec electr tric ic moto motors rs an hydr hydrau auli li coup coupli ling ng have have th same same torq torque ue an spee spee char charac acte teri rist stic ic resp respec ecti tive vely ly an that that with within in th slip slip char charac acte teri rist stic ic of moto motors rs an coup coupli ling ngs. s.
sp ed co
rt
ai du
mo if ed adju adjust stin in th volu volume me of il th work workin in rc ai -oilfi -oilfill llin in ca only only be adju adjust sted ed with with th unit unit stat statio iona nary ry re ai ay er at an
fati fati ue
condition al
el
or brak brakin ing: g: N~.B sF=— SB
8.10.3.3
sele select cted ed in mult multii-mo moto to inst instal alla lati tion on wher wher indi indivi vidu dual al an ch ck ac mu at at as cc at
(47) .,,. (47)
Belt manu manufa fact ctur urer er comm common only ly rate rate conveyor cc 28
IS 1159 11592: 2:20 2000 00
(Clause 8.9.3.7) di
L)is-
ur
me
kmce 110
t’I’OM
‘r~n-
125
140
165
0.009
0.008
0.006
0.006
0.005
0.036
0,032
0.027
0.025
0.02
270
300
330
360
gent metres 0.022
0.017
0.014
0.011
0.090
0.069
0.056
0.047
0,010 0,040
0.202
().155
0.126
0.106
0.092
0.081
0,092
0.061
0.056
0,048
0.277
0.225
0.189
0.163
0.144
0.128
0,109
0.100
0,085
0.434
0.352
0.296
0,255
0.225
0.201
0.170
0.156
0.133
0.626
().507
().427
0.363
0.324
0.289
0.245
0.255
0.192
105
0.853
0.692
0.582
0.502
0.441
0.394
0.334
0.306
0.262
1~
1.117
0.905
().760
0.656
0.577
0.515
0.436
0.400
0.343
13.5
1.147
0.964
0.831
0.731
0.652
0.553
0.506
0.434
15
1.418
1.191
1,027
0.903
0.805
0.683
0.626
0.336
16.5
1.443
1.244
1.093
0.957
0.827
0.757
0.649
lx
1.720
1.482
1.305
1.161
0.984
0.902
0.772
19.5
1.742
1.530
1.364
1.156
1.059
0.907
21
2.023
1.776
1.589
1,341
1.229
1.052
22.5
2.041
1.819
1.541
1.411
1.208
24
2.325
2.072
1.754
1.607
1.375
25.5
2.341
1.982
1.815
1.553
27
2.628
2.224
2.036
1.742
28.5
2.480
2.270
1.942
30
2.750
2.517
2.153
31.5
2.777
2.375
33
3.050
2.609
1.5
4,5
0.816
34.5
2.853
36
3.108
.37.5
3.375
39
3.653
40.5 42 43.5 45 46.5 4x 49.5 51 52.5 54 55.5 57 58.5 60 61.5
5.292
63
5.555
64,5
5.825
66
6.101
67.5
6.384
29
IS 1159 11592: 2:20 2000 00
lagged-pull pulley) ey) 0,25 for barepulley and 0,35 for laggedCl
.1
Ratio T1/T2 Con&ac Con&ac on Driving Pull Pulley ey degr degree ee
Rati Rati
Rati Rati
TJz’ TJz’
T1/T T1/T Drive
Bare
180
Lagged
p[llley
pulley
2.19
3.00
pulley
pulley
0.46
0.78
3.61
pulley
pulley
1.85
1.50
1.78
1.46
Snubbed
1.42
do
lain
do
0.67 1.35
1,62
Snubbed do
0.58
5.25
380
9.02
0.26
10.19
0.23
0.13
1.26
do
1.13
Tandem do
0.09
0.21
1.21
6.25
420
1.30
1.09
do
1.08
do
0.17 460
7.67
480
8.15 13.71
600
Tandem
1.063 19.21 39.06
--i
0.14
-i
0.08
do do
Tandem do
8.11 8.11 Coas Coasti ting ng 8.11.1 Co Coas asti ting ng Time Time
syst system em whic whic
overload.
onsi onsist st of more more th
8.11 8.11 2. An conv conv yo requ requ ri
on belt belt onve onveyo yo
ro rt
lift lift
th load load hori horizo zont ntal ally ly shal shal be prov provid ided ed with with hold hold-b -bac ac or brak brak arra arrang ngem emen ent. t.
be inte interc rcon onne nect cted ed elec electr tric ical ally ly so that that if on conv convey eyor or is eph
gr te po er
do
uc
conv convey eyor or to rest rest with within in reas reason onab able le time time when when powe powe is off. off.
tran transf sfer er poin point. t. In gene genera ral, l, in an conv convey eyor or syst system em with with more more than than on conv convey eyors ors th leng length th of th dece decele lera rati tion on
8.11 8.11.3 .3 Acce Accele lera rati tion on Time Time ra Th ti
take take
acce accele lera ra
he lo
on an
onve onveyo yo
., (48) (48) 8.11.1.1
la
IS 1891 1891 (Par (Par 2) carr carryi ying ng ho mate materi rial al this this aspe aspect ct take take dama damage ge by burn burnin ing. g. 8.11 8.11.2 .2 Hold Hold-b -bac ac 8.11.2.1 Hold Hold back back
(mc+m, +2mB+mG+mp +2mB+mG+mp)L.V. )L.V.
T~–~
where
an 13ra 13rake ke.~ .~
~fo
ar ange ange en
30
... (49)
IS 1159 11592: 2:20 2000 00
time time
8.11.3.2
conveyor the
brak brakin in forc forc
conv convey eyor or assu assumi ming ng th comp compon on nt trea treate te as holhol-
Fad,r Fad,req equi uire re
addi additi tion onal al
is
~–
ad
.. (5
V“t;
8.11.4.4 tm =.me~—
... (50)
F.
where
A. OO
i+
m= ,q
m=
v“td”
pu le
he
re
fo
ny onve onveyo yo
incl incl ne or decl declin in d. Th fr ctio ctiona na resi resist st nc forc forces es an grav grav ty forc forc s, ny ar qu to T~,t T~,the he effe effect ctiv iv driv drivin in forc force. e.
Nm al refe referr rred ed to the motor motor
‘Z-w+w$a=]+
H,
rc
8.11 8.11 5. Th br king king forc forc requ requ re
cumu cumula lati tive ve valu valu of al th equi equiva vale lent nt GD of moto motor, r, redu reduce cer, r, driv driv ri
...
raki raking ng
(see (see also also 8.5. 8.5.4. 4.3) 3) an
‘eq
he
ra io of aver aver ge star starti ting ng mo or torq torque ue nd
ll y, coup coupli li
newtons
8.11.4.3
and
...(53)
shaft axis.
meq –mi.L –mi.L
8.11.4.5
... (52)
(1
P,
td–tj
nonnon-re rege gene nera rati tive ve belt belt conv convey eyor ors, s, by
(ForGearBox)
~n
(59)
~n
(60)
max (For Driv Driv Pull Pulley ey (Fo S.S, S.S, Coupling Coupling (For
by
8.11.3.3
equa equa
th mini minimu mu acce accele lera rati tion on time time stay stay with within in wa ns wh rt
max
8.12 8.12 Take Take-U -U
tm ta.
8.11 8.11
8.12.1 Functions
De el rati ration on Time Time
8.11.4.1 By
he
Main Main
nerg nerg of conv convey eyor or ~i onds onds
or
meq
th belt belt b) perm perm nent nently ly ensu ensuri ring ng adeq adequa uate te belt belt tens tensio io
v’
.. (5
OOOPA
8.11.4.2 Th resi resist stin in
up re
a)
on td
nc
fric fricti tion on
sa be we
re ardi arding ng forc forc is
c) vari variat atio io du to physi physica ca fact factor or (inst (instan anta tane neous ous
.. (5
I‘ 8.11.4.3
to
th dece dece er tion tion time time td is
to
temp temper erat atur ure, e, tempe tempera ratu ture re of conve conveye ye mate materi rial al damp dampne ness ss tc); tc); nd
be redu reduce ce
making ng vail vailab able le if need needed ed an adeq adequa uate te xtra xtra d) maki
“t’d”
31
IS 1159 11592: 2:20 2000 00
tens tensio ion. n. Auto Automa ma ic take take-u -u
ha foll follow ow ng fe ture tures: s:
8.12 8.12.2 .2 Type Type wo yp
8.12.2.1
re
-u
utom utom ti take take-u -u devi device ce (con (const stan an oa type type). ). ixed ixed take take-u -u
take take-u -u
ro ro on at dr ve en mayb mayb made made to cate cate fo take take-u -u smal sm al exte extens nsio io of belt belt conv convey eyor or leng length ths. s. 8.12 8.12.2 .2.4 .4 Winc Winc take take-u -u
nd
(aut (autom omat atic ic
In this this syst system em th adju adjust stme ment nt take-u take-u arrang arrangeme ement nt whe automa automatic tic tension tension regula regulatio tio
po ri wh re tigh tighte tene ne simu simult ltan aneo eous usly ly or succ succes essi sive vely ly Th re rm on yp slid slidin in surf surfac ac re su tabl tabl prot protec ecte te agai agains ns
pr na he wi ru in on dire direct ctio io or reve revers rs fo spec specif ific ic nu be of urns urns to stop stop as gove govern rn by pred pred term termin ined ed valu values es of
tens tensio io is no full full dete determi rmina nabl ble. e. Thi gene genera rall ll lead lead to exce excess ssiv iv tens tensio io of belt belt (whe (whe tens tensio io ff ip qu ra ss ve na oida oidabl bl
“hig “highl hl reco recomm mmen ende de fo long long centr centres es high high capa capaci city ty belt belt conveyors conveyors since it fetches-lessspace fetches-lessspace (horizontal (horizontalhertic hertic~) ~)
ht
adju adjust stme ment nts. s.
bl
tensions).
devi devicc cc,s ,s
main main fixe fixe betw betwee ee succ succes essi sive ve peri period odic ic adju adjust stme ment nts. s. Ta ps ra us a) Scre Scre
po
installation.
perio periodi dica call lly, y, an
8.12 8.12.2 .2
mo
or this this re son, son, thes thes devi device ce
sary sary
on
ra ra type type-u -u arra arrang ngem emen ents ts cont contin inue ue to exis exis in th belt belt even even he is ru
re
8.12 8.12
Sele Select ct on of Take Take-U -U
condition. b) us hani hani devi devi whic whic does does no auto automa mati tica call ll ud
de ided ided depe depend ndin in on th conf config igur urat at on nd leng length th of th conv convey eyor or an avai availa labl bl spac space. e. Bu acce accele lera rati tion on an brak brakin in of conv convey eyor or have have cert cert in effe effect ct on th take take up Thes Thes have have to be take take into into ccou ccount nt whil whil de idin idin
ri ompe ompennwinc winc
acce accele lera rati tion on an brak brak ng on ount ount rw ight ight take take-u -u is
chec checki king ng of tens tensio io an lead lead to exce excess ssiv iv belt belt tens tensio io orde orde to viod viod to fr quen quen take take-u -ups ps an unde unde heav heav du cond condit itio ions ns prov provid id that that thes thes conv convey eyor or ar equi equipp pped ed with with belt belt havi having ng very very lo elon elonga gati tion on coef coeffi fici cien en unde unde th effe effect ct
8.12 8.12.4 .4 Take Take-U -U Weig Weight ht de oc on cula culate te as foll follow ows: s:
p, we
exclusively. 8.12 8.12.2 .2.3 .3 Auto Automa mati ti hi sy
take take-u -u -u
is
ou
li
arri arri ge rope rope shea sheave ve et
...(61)
8.12 8.12.5 .5 Take Take-U -U Move Moveme ment nt on yo s. st fr qu se gh devi devi Hydr Hydr ulic ulic pneu pneuma mati ti or le tric trical al take take-u -u devi device ce of vari variou ou type type ar also also used used Al type type of auto automa mati ti take take
onsi onsi
part parts: s:
b) Allo Allowa wanc nc fo cont contin inge genc ncie ie an fact factor or of safe safety ty., ., 32
IS 1159 11592: 2:20 2000 00
[Ql,w,oo Conveyor Geometry
Prefe Preferr rred ed Take Take-U -U Location
Hori Horizo zont ntal al head head driv driv
Foll Follow owin in driv driv si of el
Acce Accele lera rati tion on
on retu return rn
Effe Effect ct
Brak Brakin in
Effe Effect ct
None enou enough gh to caus caus trot trotib ible le
[ncl [nclin ine, e, head head driv driv
Foll Follow owin in driv driv of el
on retu return rn
Li tl
Decl Declin ine, e, tail tail driv driv
none Little or none
on
Tend Tend to Ii
ount ount rwei rwei ht if
decl declin inat atio io Decl Declin in
then then hori horizo zont ntal al
Crit Critic ical al iitl iitl coun counte temv mvei eigh gh feed slac slac to foot foot of and feed
port portio ion, n, tail tail driv driv
None
is lo None
inclinel)
Combination of
cl ne an decl declin ine, e, head head driv driv
Foll Foll wi ea or lo in retu return rn ru
poin poin
Li tl
on
Lifts to foot foot of decl declin ine’ e’
Co bi atio atio
of
clin clin
an
Foll Foll wi he retu return rn ru
decl declin ine, e, tail tail driv driv
or poin poin in
Crit Critic ical al
Iitt Iitt coun counte terw rwei eigh gh
ittl ittl
feed feed slac slac to foot foot of decline
or none none
and
I) an tail tail driv drivin ing. g.
Belt join jointi ting ng syste system; m; b) Belt
rm
c) Belt Belt carc carcas as dete determ rmin inin in th elas elasti ti an perm permaant re va ue ha the manufa manufactu cturer rer
LF
Bel rating rating Tota Tota leng length th of belt belt
lowe lowe tens tensio ion; n; e)
tart tartin in up syst system em nd magn magnit itud ud of resu result lt ng fo he Positi tion on of take take-u -u devi device ce f) Posi wh up he .!3
elongation 00
by
rc leng length th in mm
...(64) spli splice ce leng length th
8.12 8.12.5 .5 Wh Wher er take take-u -u move moveme ment nt work work ou is very very larg large, e, mayb mayb nece necess ssar ar to redu redu th take take-u -u move move ment ment or make make us of comb combin inat atio io of gr vity vity nd winc winc take take-up -up or use more more than than one grav gravit it take take-up -up In an ease ease
cal char charac acte teri rist stic ic
of conv convey eyed ed mate materi rial al (hea (hea or exce excessi ssive ve mois moistu ture re cont conten ent) t) espec especia iall ll if covcovrs fu periodically.
spec specif ifie ie inTable inTable 1of IS 4776 4776 (Par (Par 1).The 1).These se valu values es ar appl applic icab able le to unde underg rgrou round nd inst instal alla lati tion on also also using using belt belt conform conformingtoIS ingtoIS318 318 [seeIS4776 (F& 2)]
ou as folfol-
Co
lows:
Lo
ha
8.13.1 Fo
su cess cessfu fu be conv convey eyor or inst instal alla lati tion on is abso absolu lu el ne essa essary ry th th onve onveyo yo be be load loaded ed prop proper erly ly an disc discha harg rged ed prop proper erly ly Th requ requir irem emen ents ts of nd ge
a) manufacturer manufacturer recommendati recommendations, ons, b) Ch Chec ec th op rati rating ng tens tensio ions ns
hrou hrough gh th
crit crit ca poin points ts ircu ircuit it Calc Calcul ulat at aver aver ge belt belt tenten-
an deta detail ilin in of th loac loacli ling ng/u /unl nloa oadi ding ng faci facili liti ties es Be
when when full full load loaded ed c)
..(6
lowa lowanc nc fo on mini minimu mu
nd rejo rejoin in ng th belt belt h) eath eather er cond condit itio ions ns in wh ch th nsta nstall ll tion tion is oper operat ated ed (wide (wide temp temper erat ature ure devi deviat atio ions ns betwe between en
8.12 8.12 5. Take Take-u -u move moveme ment nt ma be work work
...(62)
vera vera stopped.
si
on yo
pi ge
nd
belt belt conv convey eyor or life life 33
rl
ne
IS 1159 11592: 2:20 2000 00 CARR CARRYI YING NG S1 TAKE ‘Di?AULIC ELEC ELECTR TRIC IC GRAV GRAV OR MECH MECHAN ANIC ICAL AL
~.ADJUSTMENT EN
FIG.
E -U -U P
TYPCIAL
EV
BELT
ENT
/ADJUSTMENT
OPER OPERAT ATIN IN
‘FIG.
10
T AK AK E -U -U P
FIG. PK
IT
EI HT
PER TE
YP IC IC A 11 T YP
E -U -U P
S CR CR E EN
SCRE SCRE
O PE P E R AT AT E D N VE VE Y
I N TE TE R ME ME D I T E P O IN IN T O F C ON ON VE VE YO YO R
II -–
-l.-l.+&_. +!~ + !~ -._.
TAKE-UP /RXLEY
fj
FIG.
12 TYPI TYPICA CA GRAv GRAvlT lT
WEIG WEIGHT HT OPER OPERAT ATEDTA EDTAKE KE-U -U 34
ON VE VE YO YO R TAIL TAIL E N D O F C ON
IS 1159 11592: 2:20 2000 00
ma
ayou ayou an
etai etaili ling ng
ased ased es at uc as mo cont conten ents ts stic sticki kine ness ss flow flowab abil ilit it etc. etc.
he load loadin ingh gh-m -mlo load adin in faci facili li
al
load loadin in an disc discha harg rg syst system em woul woul ad cons consid ider erab ably ly th idle idler. r.
8.13 8.13.2 .2 Co Conv nvey eyor or Load Loadin in .1 .2.1 .2.1
ma
8.13 8.13.2 .2.2 .2 Skir Skir boar boar
er
To
ar
ec
en
a)
freque uent nt surg surgin in b) Av id ng to freq c)
Mate Materi rial al eloc elocit it bein bein
th
ar
rd
load loads. s. irec irecti tion on of belt belt
travel
possible. Loadin in of th lump lump near near th cent centre re an ridi riding ng cl) Load
term termin inat at abov abov an idle idle rath rather er than than betw betwee ee th idle idlers rs
e)
ce tral traliz izin in he mate materi rial al on th belt belt At time times, s, th sk rt boar boards ds ar rovi rovide de it rubb rubber er scre screen en ha is rubb rubber er flap flap er mini minimi mize ze he dust dustin in du to ai turb turbul ulen ence ce
f) Prov ding ding ~) Prov
skir skir plat plat exte extend ndin in alon alon el rv fi ad
su ab
si
8.13 8.13.3 .3 Co Conv nvey eyor or Disc Discha harg rg 8.13 8.13.3 .3.1 .1
h) Fe
ze
dang danger er um conveyors. j)
he ma er al ca be disc discha harg rged ed-f -fro ro
ed re
rg
an
th
acco accomp mp
el ed
roll roll ng spec specia iall ll fo do nh ll an
outwards.
ag
k)
rece receiv iv ng belt belt insi insi
wi th bein bein
.5
en
el co ap
time time
8.13 8.13.3 .3.2 .2
ra
he impl imples es arra arra geme gement nt of di char charge ge fr
lumps. Provid idin in th back back or bott bottom om plat plates es of th chut chutes es m) Prov ed
ac
ch desired.
prov prov de griz grizzl zl so ha th scre screen ened ed fine fine ma rece receiv iv th lump lump ve hem. hem.
.1 ev al re qu re th fixe fixe tr pper pper ma be prov provid ided ed Move Moveab able le trip trippe pers rs if prov provid ided ed can disc dischar harge ge inte intermi rmitt tten entl tl eith either er es Some Some me an al ed ma al eith either er on on or both both side side at inte interm rmed edia iate te loca locati tion ons. s.
Provis isio io of ston ston boxe boxe fo heav heavy, y, abra abrasi sive ve an n) Prov so
P) q)
ct
ee
ab rbed rbed
mu nece necess ssar ar fo succ succes essf sful ul oper operat atio io
co form formit it
wi
th
ta ic angl angl ra
as besi beside de meet meetin in
repo repose se appo apport rtio ioni ning ng thethe-ma mate teri rial al in to th vari variou ou dire direct ctio ions ns It ca also also elim elimin inat at coll collec ecti tion on of th mate materi rial al adhe adheri ring ng 35
IS 1159 11592: 2:20 2000 00 8.14 8.14 Stru Struct ctur ura} a}
to
8.14.1 General
ft good good disc discha harg rg chut chut
or desi design gnin in
fe be
a) encl enclos os th clea cleani ning ng devi devi an catc catc mate materi ri clea cleane ne from from th belt belt if nece necess ssar ar by empl employ oyin in sepa separa rate te ribb ribb hute hute
sh ll also also be take take
coasti coasting ng device devices. s.
chut chute. e.
b)
c) abra abrasi sive ve mate materi rial al d) 0° to 30
onsi onsi er tion tion
design gn of th stru stru tura tura embe embers rs besi beside de a) Th desi taki taking ng care care of th surg surg oadi oading ng shal shal also also take take
b)
load loadin in
nt
ig er th
main mainte tena nanc nc walk walkwa wa f:80 f:80 mm mini minimu mu id lo th ru he onve onveyo yo gall gall ry shal shal be prov provid ided ed If spec specif ifie ie by th purc purcha hase ser, r, ls be pr vide vided. d.
th stat static ic ngle ngle of repo repose se
case case
oubl oubl
onve onveyo yors rs
e) ntra ntra walk walkwa wa
requ requir ir by ur hase haser. r. iz of th sele select ct on sh ll Walkwa wary ry runn runner er c) Walk be dequ dequ te to sati satisf sf stre streng ng nd defl defl tion tion
plugging. rovi rovisi sion on ro boxe boxe in he disc discha harg rg hute hute wher wher nece necess ssar ary, y, fo abra abrasi sive ve lump lump an heav heav material.
f-)
ro load load cros crosss-se se tion tion
d)
re ni um hree hree umps umps
nd
re
8.13 8.13.4 .4 Traj Trajec ecto tory ry of Mate Materi rial al
is disc discha harg rged ed ov th he by tw cons consid ider erat atio ions ns
m. Ga lery lery walk walkwa wa supp suppor orti ti ngle ngle sh ll be cons consid ider ered ed-a -a to guar guar prov provid ided ed dime dimens nsio io fi
pu ley, ley, an is eter eter in
e)
a) Thepo Thepoin in wher wher th mate materi rial al leav leaves es th belt belt This This is th oi whic whic th ntri ntrifu fuga ga forc forc on th mate materi rial al acti acting ng radi radial ally ly outw outwar ar is bala balanc nced ed by fo re se
follow following ing requir requireme ements nts 1) side side of walk walkwa wa in conv convey eyor or gall galler er havi having ng 2)
fr
floo floo ev l, oubl oubl
an rail rail
that that
from from floo floor, r, shal shal “bepro “beprovi vide ded. d. NOTES In
aw
fo th
th belt belt unni unni
tu
of th
into into he tr
orti ortion on of th
elt. elt.
isoften isoften grea greate te than than that that is assu assume me fo th foll follow owin in a) Th
im of th
alon alon th ri
ea
ll
of th carr carrie iers rs cent cent
3)
ta tu
pend pend nt supp supp rt
reas reason ons: s: th li
stan standl dlpo post st
4)
in actu actual al slop slope, e, Th effe effect ct of ai resi resist stan ance ce bein bein negl neglig igib ible le in mostof mostof th ca es into into acco accoun un in dete determ rmin inin in
on ey
shal shal have have inde indepe pend nden en supp suppor orts ts
roll rolls. s.
b) Ther Ther isalwa isalways ys some some sa in th belt belt whic whic caus causesan esan incr increa ease se
is no take take
ra
unle unless ss spec specif ific ical ally ly requ requir ired ed by purc purcha hase ser. r.
th traj trajec ecto tory ry
5)
Th traj trajec ecto tory ry obta obtain ined ed asdisc asdiscus usse se here here loca locate te th bott bottom om of th stre stream am of mate materi rial al
8.13.5 Typi Typica ca arra arrang ngem emen ents ts of load loadin in
galvan galvanize ize unless unless specif specified ied otherw otherwise ise
an disc discha harg rg 36
IS 1159 11592: 2:20 2000 00 WALKW WALKWAY AY RUNNE RUNNE
OE TO
NA
F iG iG .
N GE GE ME ME N T J N D O U L E C ON ON VE VE Y R S
ND
HEI
D ES E S IG IG N
PPR
be
qu
conv convey eyor or In case case of doub double le conv convey eyor ors, s,
pl
tion tion it or than than 10 in lina linati tion on tepp tepped ed alkw alkw ys itho ithout ut an inte interm rm di te land landin ings gs sh ll be prov provid ided ed ow ve in case case of gr ting ting
cent centra ra
be provid provided. ed.
onsi onside de ed in st uctu uctura ra desi design gn
hall hall be rovi rovide de
ny it su fi ient ient
nd aint aint nanc nanc
corros osiv iv an open open atmo atmosp sphe heri ri cond condit itio ions ns g) Fo corr nc n)
components. h)
usin usin roll roller er supp suppor orts ts shal shal be pref prefer er~d ~d Suit Suitab able le guid guides es/s /slo lott tted ed hole holes/ s/gu guid ides es etc, etc, from from accu accumu mu
of th
onve onveyo yo su
conv convey eyor or Such Such inst instal alla lati tion on shal shal be regu regula larl rl insp insp ct or th ir pr pe op atio ation. n. Where buil buildi ding ng ov in th
as pull pull y, gn da ha
P) is desi desi able able th
otor otor ge rbox rbox
such such onne onne tion tion
ongi ongitu tudi di al di ecti ecti n.
k)
forces. 8.14 8.14.2 .2
tr tura tura
sign sign
veyo veyo s, th tota tota of fo lo in
th ee load load _gro _group upssha sshall ll
Is 11592:2000 be
er
a) b)
Addi Additi tion onal al oads oads an
clai claime me
d) at
un er norm normal al pera perati ti r.
ar
as ct
cond condit itio ions ns as spec specif if ed by th mp en ad e:
as
ct
e) ed
These ar
oa forc forces es of al fixe fixe an mova movabl bl cons constr truc ucti tion on part parts, s, alwa always ys pres presen en in oper operat atio io of mech mechan anic ical al an elec electr tric ical al plan plants ts as as rt
1)
ener ener
er
ad
mi ef
part part of mach machin iner er .etc .etc shal shal be cons consid ider ered ed as acti acting ng loca locall lly. y.
b)
2)
th conv convey eyor or is cons consid ider ered ed whic whic is dete determ rmin ined ed
ri pe an shut shuttl tl conv convey eyor or shal shal be take take desi design gned ed outp output ut
appl applia ianc nces es
1) Wh Wher er th belt belt load load is limi limite te by au omat omat
orki orking ng ou do rs
th acce accele le
to 0.2 rn/s2.
f)
outp output ut thus thus limi limite ted. d. 2) Wh Wher er ther ther is
ou pu im ter, ter, th desi design gn
cros crosss-se sect ctio iona na area area of ma er al conv convey eyed ed on th conv convey eyor or mult multip ipli lied ed by th conve conveyi ying ng
convey conveyor or layout layout co
agre agreem emen ent, t, th cros crosss-se sect ctio iona na area area shal shal be dete determ rm ne assu assumi ming ng surc surcha harg rg an Leo sect sectio ions ns
prod prod ct conv convey eyed ed as rg an fo diff differ eren en conv convey eyor or desi design gn
as give give belo below: w: 1)
func functi tion on an
es partsj.
2)
3)
Live
load load to be cons consid ider ered ed fo gall galler er fram fram
indi indica cate te 4)
mi
ad ac
ed
in 8.14 8.14.l .l(f (f). ).
3)
ak
is wors worst. t. 4) trip trippe pers rs an othe othe mova movabl bl equi equipm pmen ents ts th c) Incr Incrus usta tati tion on
Th degr degree ee of incr incrus usta tati tion on (dir (dir accu accumu mula lati tion on depe depend nd on th spec specif ific ic mate materi rial al an th oper operat atin in cond condit itio ions ns prev prevai aili ling ng inea ineach ch
5) orte orte
temp temp rari rarily ly un er
.14. .14. .2(g .2(g)( )(l) l)
memb member er shal shal be done done acco accord rdin ingl gly. y. h) du to dirt dirt accu accumu mula lati tion on
Th actu actual al va ue ca taken. 38
IS 1159 11592: 2:20 2000 00
8.14.2.3
be
re
fe
rm
c) Bujfer padd paddle le feed feeder er etc, etc, havi having ng spee speeds ds belo belowO wO.7 .7 m.k, m.k, no acco accoun un sh ll be take take f-bu f-buff ff ff ct or
co pone ponent nt of ddit dditio iona na load load ar a) in rust rust tion tion oa [s 8.14 8.14 2. (c)] (c)] In case case he cu tome tome does does no pres prescr crib ib oa valu valu du to
ma
impo imposs ss bl by spec specia ia devi devi es It sh ll be
lo
b)
Temper Temperatu ature re effec effects ts need for
fi
ra
this fr ctio ctio is VT— this resu ting ting load load VT. he resu rm
re
diff differ eren en expa expans nsio io coef coeffi fici cien ents ts with within in th same same us d) Wind conv convey eyor or inst instal alla lati tion on shal shal be calc calcul ulat ated ed taki taking ng nt onsi onside dera rati tion on he re omme ommend nd ti made made
slot slotte te hole hole etc. etc. c)
supp suppor orti ting ng th conv convey eyor or shal shal be suit suitab ably ly brac braced ed
on eyor eyor or at th im of re air/ air/re repl plac ac ment ment ri here herefo fore re ak
nt
ccou ccount nt lo ding ding du
trestles.
this this
e) mate materi rial al like like sulp sulphu hur, r, fine fine chem chemic ical als, s, ores ores an
d) ov ng part part such such
tr veli veli
onti ontinu nuou ou oo ov th conv conv yor. yor. Th hood hood is also also requ requ re wh re prot prot ti ro mois mois ur
tr pp r, padd padd 4ti
chec checke ke as addi additi tion onal al load load As addi additi tion onal al load loads, s,
requ requ re
wind
f)
shal shal be disr disreg egar arde ded. d. 8.14.2.4 Spec Specia ia load load
sh ll be give give
rs re suit suitab ably ly desi design gned ed an cons constr truc ucte te so that that it does does no sett settle le Du onsi onside dera rati tion on sh ll give give th sett settle leme ment nt of foun foun ti n, if sett settle leme ment nt ca no be avoide avoided. d.
Thes Thes comp compri rise se th load load whic whic shal shal no occu occu duri during ng
g)
of
sp ci
onsi onside dera ra io
conveyors. fe
occurrence co pone ponent nt
nt Du
lo ds re
a) us ng
lo
whic whic long longit itud ud na dire direct ctio io
ques questi tion on with with due refe refere renc nc to th slop slop angl angle. e.
fore forese seen en in th
be dedu deduct cted ed
bloc bloc
h)
take take fo calc calcul ulat atio ion. n.
following:
b) ff ct du
iv
shal shal be prov provid id d. This This
re
conc concer erni ning ng th rthq rthqua uake kes, s, th se oads oads have have to 39
IS 1159 11592: 2:20 2000 00
8.14.5 Limi Limiti ting ng Defl Deflec ecti tion on
2)
Defl Deflec ecti tion on fo vari variou ou stru struct ctur ural al memb member er supp suppor orti ting ng limits: a) Convey Conveyor or gantry gantrylbr lbridg idg
325 Height 1000
b) Trest Trestle le supp support ortin in grmt grmtry ry/t /tow ower er in th tran transv sver erse se dire direct ctio io c) Stri String nger er supp suppor orti ting ng conv convey eyor or stru struct ctur ural al memb member er dire direct ctly ly rt
8.14.3 Vibration It’
reso reso
cc
st
d) Memb Member er supp suppor or in
re
am
th trip trip er
sh
Claddi ding ng fo 8.14.7 Clad
900
325
sp
Gall Galler erie ies/ s/To Towe we
re
Stru Struct ctur ur
Design gn Cons Consid ider erat atio ions ns fo Stri String nger er nd St nd 8.14.4 Desi uppo upport rtin in In erme ermedi diat at orti ortion on of Conveyor
sp d, as re airs airs ri al GI tran transl sluc ucen en shee sheets ts at inte interv rval al shal shal also also-b -b cons consid ider ered ed si al er ri
iden identi tifi fica cati tion on of load loads. s.
8.14.8
8.14.4.2 Desi Design gn
8.14.8.1 desi design gned ed as brac braced ed orta orta fram frame. e. Fo lo in load load shal shal re
stri string nger er
Th desi design gn of stri string nger er shal shal be carr carr ed ou cons consid ider erin in
fa
a)
ad sh
co
re
gn
r:
b) su
a)
rt
c) In orde orde to take take nt acco accoun un he dyna dyna ic effe effect ct conv convey eyor or weig weight ht idle idle unit unit
b)
Maxi Maxi um be tens tensio ion, n,
8.14 8.14.8 .8 .l(a .l(a
el an weig weight ht of carr carryi ying ng
and 8.14.8.l(b) d) Self Self weig weight ht
weig weight ht of deck deckin in plat plate, e, belt belt to co er belt belt side side
c)
e) Addi Addi iona iona load loads, s, both both live live an dead dead load load fr
conc concen entr trat ated ed load load cons consis isti ting ng of weig weight ht of belt belt
8.14.4.3 end
ds cons consid ider ered ed fo th desi design gn of stan stan
post postsh shal al incl includ ud
redu reduce ce th effe effect ct of vibr vibr tion tion ACCESS ACCESSORIE ORIE 9. Gene Genera ra Th ario arious us acce access ssor orie ie requ requ re fo be brie briefl fl stat stated ed as fo lows lows
an 8.14 8.14.4 .4.2 .2(c) (c)
a) flex flexib ible le an flui flui coup coupli ling ngs, s, clut clutch ches es an brak brakes es
8.14.4.4 Supp Suppor orti ting ng stoo stools ls Typi Typica ca arran arrange geme ment nt is stool.
conv convey eyor or coul coul
Fig. Fig. 17for supp suppor orti ting ng
b)
rs an movi moving ng
ri
se
1S 1159 11592: 2:20 2000 00 STRINGER GARLANO~YPEDLERS CARRYINGROLLER
ll\ /A\
R AI AI L F O R S H I F T I N G T H E C O N VE VE Y O
FIG. 14
S HI HI F
N VE VE Y
IN
P EN EN -
HOLLOWSLEE HOLLOWSLEE PER/
ST
MINE
2.5
1.25
1111
F-eHtNw?’A
0.50
1~
0.0125
0.0050
0.0025
100
200
500
1000
2000
5000
10000
NOTES eson eson nc adjo adjoin inin in
in th neig neig bori boring ng
buil buildi ding ng
stru stru ture ture will will be egli egli ib
if th ampt ampt tude tude of vi ra io
an stru struct ctur ures es then then th ampl amplit itud udes es of vibr vibrat atio ions ns of
th
foun founda dati tion on shal shal no exce exceed ed 0.30 0.30 mm
FIG, FIG, 15 LIMI LIMITI TING NG AMPT AMPT]T ]TUD UD FO VERT VERTIC ICAL AL VIBR VIBRAT ATIO IO
41
R ET ET UR UR N R L LE LE i
IS 1159 11592: 2:20 2000 00
1A
II (OpTIONAL)
MATERIAL
ROLLER
F’T
(OPTIONAL
A-A
G EN EN E R
B-B
LA OU
F O R I N T E R ME ME D 1 AT AT E -P -P O R TI TI O N O
c) Ploughs;
S T RU RU C TU TU R E
ladd ladd rs an tele telesc scop opic ic chut chutes es
e) Belt Belt clea cleane ners rs both both nter nterna na an
conv convey eyor or driv drive) e) spee speed/ d/to torq rque ue char charac acte teri rist stic ic
xter xterna nal; l;
Hold-backs;
para parame mete ters rs effe effect ctin in
Contro ro gear gears; s; g) Cont h) Prote Protect ctiv ive. e.de devic vices es fo exam example ple emer emerge genc nc stop stop switc switche he an cabl cable, e, over overlo load ad switc switche hes, s, over over load load
of load load
moto moto desi design gn
a) Rate Rate volt voltag ag an freq freque uenc ncy; y; b) Vari Vari tion tion in volt volt ge fr quen quency cy an comb combin ined ed volt voltag ag an freq freque uenc nc vari variat atio ion; n;
move moveme ment nt belt belt sway sway over oversp sp ed trip trippi ping ng et
c) Co Cons nstr truc ucti tion on fo
De king king pl tes; tes; an
xamp xample le type type
moun mounti ting ng
d) Clas Clas of insu insula lati tion on
k) Skir Skir plat plates es 9.2
C O N VE VE Y O
deri dering ng ou or su as torq torque ue pull pull-o -out ut torq torque ue st rtin rtin curr curren en (f sele sele tion tion
Specia ia lowe loweri ring ng chut chut fo exam exampl ple, e, spir spiral al binbind) Spec ow ring ring ro
[OPTIONAL)
CABLES
Ambien en temp temper erat ature ure e) Ambi
otor otor Se ecti ection on
Speed;
9.2.1 General
Type or nclo nclosu sure re an degr degree ee of prte prte tion tion .!0 Type h) Dire Direct ctio io of rota rotati tion on
9.2.1.1
42
IS 1159 11592: 2:20 2000 00
FIG.
TYPICA CA DETA DETAIL IL OF HEAD HEAD 17 TYPI
en shaf shaft; t;
N D T AI AI L F R AM AM E
equi equire re at stea steady dy stat stat er ting ting cond condit itio io nder nder wors wors perm permis issi sibl bl cond condit itio ions ns of volt voltag ag an freq freque uenc nc
term termin inal al box; box; acce accele lera rati tion on time time is more more than than ther therma ma with withst stan an time time le lo sp ic ll
terminals. 9.2.1.2 Moto Moto shal shal have have cont contin inuo uous us rati rati at leas leas equa equa
ef icie icie cy
th
alte altern rnat atin in cu rent rent in ucti uction on moto motors rs ar th simp simple lest st
iv unit unit
downhi hill ll rege regene nera rati tive ve 9.2.1.3 Fo down
nits nits
convey conveyors ors the motor motor
43
co ve or coup couple le
it fluid couplings.
Is 11592:2000 the rtab rtable le nd er designed.
inst instal alla la ions ions so ha
meet meet diff differ eren en capa capaci city ty requ requir irem emen ents ts of th conv convey eyor or are obtain obtained. ed.
Selection
9.2.2
ma ca acit acit
9.2.2,1
kW
dire direct ct on line line star startt-sh shal al be used used Moto Motori rise se head head pull pulley ey used.
rm re cers cers ma al
be cons consid ider ered ed
bo shal shal be pref prefer erre red. d.
9.2.2.2
to driv driv used: a) b)
acco accord rdan ance ce
it IS 40 Serv Servic ic Fact Factor or
Dura Durati tion on of Serv Servic ic
star starti ting ng or
0.9
curr curren en coup coupli ling ng or
c) uc
ot rs wi
1.1
ta ic ower ower mp if ers; ers;
1.25
Squirr rrel el cage cage moto moto with with scoo scoo cont contro roll lled ed fluid d) Squi
1.5 .3.6 .3.6.1 .1 he ra
9.2.2.3
ab iz ng he es re al ad rq ri moto motor, r, no only only duri during ng star starti ting ng bu also also duri during ng norm normal al oper operat atio io of th conv convey eyor or th foll follow owin in elec electr tric ic driv drives es are recomm recommend ended: ed:
th
earb earbox ox shal shal no be less less ha
econ econom omic ics, s, etc. etc.
magn magnet etic ic (edd (eddyy-cu curr rren ent) t) coup coupli ling ngs; s; or
9.4 Couplings
-S rrel rrel cage cage moto motors rs it th ri freq freq en conv conver erte ters rs with with suff suffic icie ient nt over overlo load ad capa capaci city ty or
9.4.1
us
fl xi
c) Squi Squirr rrel el cage cage moto moto with with scoo scoo cont contro roll lled ed fluid flui flui coup coupli ling ng .o
co ling ling
ha be refe refe re
es conv convey eyor or powe powe requ requir irem emen en exce exceed ed 30kW 30kW Fo slip slip
.2.2 .2.2.4 .4 Wh When en gh olta oltage ge ot rs ar used used ra fo moto moto is no th crit criter eria ia fo type type of star starti ting ng Meth Method od parameters. 9.2. 9.2.2. 2. Fo sele select ctio io of moto moto an it star starti ting ng meth method ods, s,
coup coupli ling ng fo exam exampl ple, e, pinpin-bu bush sh coup coupli ling ng shal shal alwa always ys be cons consid ider ered ed fo an conv convey eyor or requ requir irin in high higher er moto moto er than than 30 kW Fl ou li ro de ol in advantages:
sele select cted ed (see (see 9.2. 9.2.2. 2.3) 3) an driv driv requ requir irem emen ents ts (s
a)
9. Spee 9.3 Spee 9.3. 9.3.
Smoo Smoo acce acce erat erat on T.E m i i x 9
el here here
redu reduci cing ng
b)
Redu Reduce cers rs
Sele Select ctio io
c) Re uc io
spac spac limi limita tati tion on an driv driv loca locati tion on
over over izin izin
ca le
ot rs to
starting. 9.5
of powe power. r.
9.5.1
44
adde adde
an
pira pira ch te ar
se
lo er oa
IS 1159 11592: 2:20 2000 00
lo
ra desc descen ends ds nd pr vent vent it land landin in wi
impa impa t.
rovi rovide de
ac disc discha harg rg po nt
sh ll be reve revent nt scat scatte tere re
9.5. 9.5. Ladd Ladder er chut chut fo bulk bulk mate materi rial al is vert vertic ical al squa square re 9.7 IMppers cove coveri ring ng th shel shelve ve prot protec ects ts them them agai agains ns rapi rapi wear wear
rr de
ri rf
9.7. 9.7.
Trip Trippe pers rs
mate materi rial al from from belt belt conv convey eyor or at poin points ts upst upstre ream am from from th head head pull pulley ey Esse Essent ntia iall lly, y, trip trippe pers rs cons consis is of fram fram supp suppor orti ting ng tw id in pull pull ys on bove bove nd forw forw rd th othe other. r. Th onve onveyo yo be pass passes es over over an arou arou
ra alon alon re
spir spir
hute hute
ru
lower
IOIIL)WS
ri
dive divert rt th disc discha harg rged ed mate materi rial al in an desi desire re dkec dkecti tion on
rect rectan angu gula lar, r, roun rounde de have have th prop proper er
or obli obliqu quee-an angl gled ed cros crosss-se sect ctio io ra utom utom tica ticall ll ke ping ping th spee spee
be
on st tion tion ry ripp ripp ve
9. Plou Plough gh 9.6. 9.6. Plou Plough gh ar used used to disc discha harg rge/ e/di dive vert rt free free flow flowin in on nonnon- bras bras ve ater ateria ials ls whic whic an be arri arri with with nv roll roll incl inclin ined ed
disc discha harg rge/ e/di dire rect ctld ldiv ivid id
ma be used on belt belt conv convey eyor or
se
fl
rais rais to suff suffic icie ient nt heig height ht to llow llow or nece necess ss ry hute hute head head room room
moun mounte te
th mate materi rial al flow flow
on he ri per. per.
Belt ‘llm ‘llmne ne 9.8 Belt
inco inconv nven enie ient nt or impo imposs ssib ible le to inst instal al trip trippe per. r. Plou Plough gh re ch ap th tr pp rs nd take takess-up up less less he room room Fixe Fixe trip trippe pers rs ar bett better er in perf perfor orma manc nc than than plou plough ghs. s.
Th lean leanin in of belt belt hand handli ling ng we st cky, cky, orro orrosi sive ve or free freezi zing ng mate materi rial al is alwa always ys diff diffic icul ul an very very rare rarely ly is ll th ater ateria ia re oved oved befo before re th arry arry ng surf surf come come in cont contac ac with with th retu return rn idle idlers rs Th cons conseq eque uent nt buil buil up ater ateria ia cmthe cmthese se id er caus causes es re uc io
ovab ovab plou plou ca be op rate rate manu manu ll or by rope rope h~iulagesystem,
ca be grea greatl tl redu reduce ce by th us of turn turn-o -ove ve conv convey eyor or
el neve neve be ng onta ontact ct with with an of th rr ing. ing.or or re ur idle idlers rs th on onta onta bein bein wi th snub snubbi bing ng re mova movabl bl
fl latf latf rm of ti ber, ber, stee stee pl te or roll roller er
Belt Clea Cleane ne 9.9 Belt
Th
9.9.1 It is nece clea necess ssar ar to clea
bend bend pu leys leys or tand tand simu simult ltan aneo eous usly ly th blad blad ca be arra arrang nged ed in ‘V form form
th belt belt when when snub snub pull pulley ey
driv driv pull pulley ey make make onta onta
is espe espe ia ly th case case when when ha dlin dlin 45
ma eria erials ls whic whic
..
—-—
TYPICALTRAVELLINGTRIPPER T h d is is cch h ar ar g h ut ut e m a b e b el el o
a n a r s ho ho w
i n d ir ir e t io io n a rr rr o ‘B’
O ne ne -w -w a c hu hu t f o o n s id id e d is is c he he r g ( le le f h a nd nd )
T wo wo -w -w a
c hu hu t
sid
w itit h f la la p v al al v
f o d is is ch ch ar ar g
( le le f s i de de ) o r a l te te r na na t iv iv e l
toone
T wo wo -w -w a
c hu hu t
c hu hu t
f o c m s id id e d is is ch ch ar ar g
w itit h f la la p v al al v
-./’
../’
--” O rw rw -w -w a
( ri ri gh gh t h an an d
./. f o d is is ch ch ar ar g
T wo wo -w -w a
to on
f or or w ar ar d
FIG. FIG. 18 TRIP TRIPPE PERS RS
ot h s i de de s c hu hu t e f o d i sc sc h ar ar g e t o b ot eimultaneou;ly
T wo wo -w -w a c hu hu t w itit h f la la p v al al w f o d is is ch ch ar ar g t o e it it he he r s id id e a l te te r na na t iv iv e l o r t o b ot ot h s i de de s s i mu mu l ta ta n eo eo u sl sl y
R-qv,
,6
.-/’
Th hrr ee ee -w -w a
c hu hu t
w itit h f la la p v ah ah .
fo
Th hrr ee ee -w -w a c hu hu t w itit h t w f la la p v al al ve ve s f o d kc kc ha ha rg rg e t o e i th th e s i de de s a l te te r na na t iv iv e ly ly , b ot ot h s i de de s s i mu mu l ta ta n ao ao u si si y o r alternat alternativel ivel forward forward
IS 1159 11592: 2:20 2000 00
m~terial m~terials, s, or ll belt belt clea cleane ners rs
thec thecou ou’n ’nte terw rw ight ight
wipe wipe
wate wate will will suff suffic ice. e. As th clea clea er is sp ci ll
an
ffec ffecti tive ve
object objection ionabl abl dribbl dribble. e.
9.9.2.1
ll
se te we th wr th tail tail pull pull y. hese hese V-ty V-type pe_p _plo loug ug cl aner aner shal shal be
lI
is
.9 4. Wh Wher er clea cleani ning ng is
prim primar ar im orta orta ce tw
icin icin th rg equi equipm pm nt in lu in
in ribb ribble le chut chut
flum flume. e.
id
9.9.3
driv drive. e.
cant cantil ilev ever ered ed weig weight hted ed ar
at th same same time time prev preven enti ting ng jamm jammin in an unne unnece cess ssar ar le th le te be: ma
im
ry
efle efle to pull pulley ey th en ag th in orde orde to re en ccum ccumul ulat atio io
5.0
et nd stic sticky ky mate materi ri ls
be disp dispos osed ed f.
lnh
requ requir ir me ts In ddit dditio ion, n, th
te
le wipe wipe Dr
ve
arry arryin in side side belt belt mate materi rial al ma rt
REQUIREMENTS
9.9.3.1
ecau ecause se
te
2.0 to 3.0 mls
ls
Damp Damp mate materi rial al
9.9. 9.9.
is
io ls
ig spee speed, d, brus brushe he ar shor shortt-li live ved. d. lo we mate materi rial al ar easi easies es to remo remove ve
on eyor eyor shal shal also also take take
11 PAIN PAINTI TING NG
he co plet plet conv convey ey
syst system em an th conv convey eyor or shal shal
9.9.4.1
acco accord rdan ance ce with with requ requir ir me ts
th
urch urchas aser er
IS 1159 11592: 2:20 2000 00
(Clause 2)
800:1984 875
1891
7’Me
Title
1SNo. 1S No.
4776
Code
tr ct on in stee stee (sec (secon on revision) (oth (other er than than eart earthq hqua uake ke fo buil buildi ding ng an stru struct ctur ures es Dead Dead load loads— s—Un Unit it weig weight ht of buil buildd-
1972
(second revision) Impo Impose se load load (sec (secon on revision) Wind Wind load load (sec (secon on revision) Snow Snow load load (secon (secon revisi revision) on) Speci Special al load load and load load comb combin inat atio ions ns (seco (second nd revis revisio ion) n) Convey Conveyor or and elevat elevator or textil textil beltin belting: g:
7155
revision) Heat resista resistant nt beltin beltin (thi (thiti ti revi revisi sion on revision) Hyge Hygeni ni belt beltin in (first (first revisi revision) on) application 1893:1975 revision) desig desig of stru struct ctur ures es (fourr revision) 2974
Specifi Specificat cation ion for trough troughed ed convey conveyors ors Trou Trough ghed ed”b ”bel el conv convey eyor or fo surf surface ace .(/irs revisio revision) n) installation .(/irs Trou Trough ghed ed el conv convey ey rs fo un er grou ground nd inst instal alla lati tion on Co ra
constr construct uction ion of machine machine founda foundatio tions: ns: Fo ro at machines (sec (secon on revi revisi sion on
mounted Co co en ed ac ce convey conveyor or safety: safety: (first st revi revisi sion on General General inform informati ation on (fir Gene Genera ra safe safety ty requ requir irem emen ents ts (first revision) (first revision) ibra ibra in conv convey ey orlf orlfee ee er (first revision) Apro Apro conv convey eyor orla lapr pron on feed feeder er (fir (first st revision) Sele Select ctio ion, n, trai traini ning ng an supe superv rvis isio io of oper operat ator or (first (first revisi revision) on) In pect pectio io an ma nten ntenan ance ce (first revision) Flig Flight ht conv convey eyor or (scr (scrap aper er conv convey eyor or (fir (first st revi revisi sion on
7403:1974 boxes 8531:1986 conveyors (/irst (/irst revisi revision) on)
frequ frequen ency cy (seco (second nd revision)
conv convey eyor or be ti cations ~ourt ~ourt
pe if ca on
or dl rs nd dl
fo belt belt conv convey eyor or
(first
revision) 3181:1992
8598:1987
sets sets
@s revi revisi si n)
8730:1997 mate materi rial al hand handli ling ng equi equipm pmen en revision)
fo un ergr ergrou ound nd
(firs/
14386:1996
revi revisi sion on
50 mm
definitions
48
1600 1600 mm —Dim —Dimen ensi si ns
IS 1159 11592: 2:20 2000 00
(Clau (Clause se 8.8. 8.8.5. 5.2) 2)
B- IDLE IDLE
CLAS CLASSI SIFI FICA CATI TION ON
The B-2
refere reference nce point point B. IDLE IDLE
in icat icat th seri series es use.
SELSEL-EC ECTI TIOi Oi
B-2.1
of
B- .4 tted tted li ra on th char char as an exam exampl pl illu illust stra rate te th sele select ctio io of.s of.sui uita tabl bl idle idle fa foll follow owin in duty: a) 16 hlda hlda cont contin inuo uous us duty duty
za is wi repr repres esen en
ef re ce
B. he segm segmen en AB pass passes es will will idle idle co veyo veyo st suit suit bl
b)
in A.
maintenance;
c)
qo
normal;
tojoin tojoin th li es repr repres esen enti ti
co ve
d) Co Conv nvey eyin in trap trap rock rock with with 1790 1790 kg/m kg/m dens densit ity; y;
ow esir esir d.
spee spee
Ta le
Idle Idle
e)
Clas Classi sifi fica ca io
(Clause B-1) Suit Suitab able le fo Spee Speed, d, m/ to 101.6
Ball
2.5
300-800
abra abrasi sive ve inte interm rmit itte tent nt duty duty Ball
4.0
400-1000
abra abrasi sive ve cont contin inuo uous us duty duty Ball
4.0
500-1200
contin continuou uou
Iv
Ilall/roller/taper roller
4.0
50
Unsi Unsi ed
rg
contim contimrou rou
duty. duty. lump lumps, s,
xe
with with
duty. duty.
139.710219.1 duty.
roller Ball/roller/taper
4.0
1600-2000
roller
49
Larg Larg
capa capaci city ty conv convey eyor or with with lump lumps. s.
ll
ized ized
..
ST TO O PP PP AG AG E
A CC CC EP EP T TA ABL
A CC CC E T AB AB L
/k
R OC OC E
U PS PS E
H IG IG HE HE S R EL EL I AB AB I LI LI T STOPPA STOPPAGE GE CATAST CATASTROP ROPHIC HIC
O CC CC AS AS IIO O NA NA L ST TO O PP PP A6 A6 E OFNOC0NSE12UENCE
BA
C ON ON DI DI TI TI ON ON S
v~ AW DU CHARCOAL DR
A SH SH E
L 7 S AL AL T
GRAINS COAL SULPHUR 1 25 25 0
WI
,..
{--
H OS OS PH A L IM IM E S TO TO N
R OC OC K
= OI OI J? J? ? ?3 3 AR AR Y AR
AN
WE.
;RETi CONC
IRON ORES
C OP OP PE PE R
174 QU
3 2W 2W I
O RE RE S
C l B OR IN IN G
Y/.
NOTES Sele Select ct requ requir ired ed dut alon alon Y,axi of squa square re I, the move move ho hori rizo zont ntal ally ly to meet meet line line repr repres esen enti ting ng main mainte tena nanc nc condi conditio tio thispoin move move ho horiz rizon onta tall ll to meet meet Y1axi Y1axis. s. Th This is will will repr repres esen en refe refere renc nc point point A. stoppageon stoppageon thesystem From thispoin S el el ec ec t d en en si si t
o f m at at er er ia ia l t o b e h a nd nd le le d a lo lo n
t h a xi xi s Y .of square square II andmove
appl applic icab able le from from thi point point move move vert vertic ical ally ly agai agai
to meet meet thcurves curves signifyi signifying ng effect effect of
ow n t o j oi oi n t h l in in e Irorizm Irorizmsta stally llyto to mee thelines represe representin ntin require require boltwidth Fromthis poin move vertica vertically lly u p o r d ow
repres represent enting ing convey conveyor or speed speed desire desired. d. meet axis axis Y, Th This is will will repr repres esen en refe refere renc nc point point B. Join Join point point an B. The segm segmen en of th sele select ctio io ba throug throug line lineAB AB pass passes es will will indi indica cate te theserie theserie of From this point of intersectionproceett intersectionproceett horizontally horizontally to meet idle idle conv convey eyor or most most suit suitab able le for use. use.
FIG. FIG. 19 SELEC SELECTIO TIONOF NOF IDLER IDLER
IS 1159 11592: 2:20 2000 00
(Clause 8.8.5.2)
C-
IDLE IDLE
CLAS CLASSI SIFI FICA CATI TI
(Clause C-1) Series
Light
Bearing Type
Shaf Shaf Di at Bear Bearin in (mm)
Appl Applic icat atio io (mm)
Rang Rang
(mm)
For
Deep Deep groo groove ve ball ball bear bearin in
for
light weight limite limite lum size. size. Medium
Deep Deep groo groove ve ball ball b&dr b&drin in
20 weig weight ht semi semi-a -abr bras asiv iv
133, 133, 13 .7
onti ontinu nuou ou
mate materi rial al
pe atio atio
when
materials. 25
101. 101.6, 6, 108, 108, , 1 133, 133, )52. )52.
weight, imit imit
be
idth idth
Fo cont contin inuo uous us oper operat atio ion, n, high highes es d f r t e h and coarse coarsest st mater material ials. s.
duty
51
IS 1159 11592: 2:20 2000 00
1500 1350 1200 1050
n-
450
150
0.500
0.750
1.000
1.250
FIG. 20 TROUGH TROUGHED ED BELT BELT IDLER IDLER
SPACING
1500 1350 1200
3.000 2.500
1050
2.000
90
1.750
75 60 b5
300
0’
120
0.250
90 75
0.150
60 L5
30
15
FIG. 21 FLAT FLAT BELT BELT IDLE IDLE
52
SPACING
IS 1159 11592: 2:20 2000 00
(Clause 8.8.5.2)
D-2.4 ov ns
hewi hewing ng size sizes. s. Th bear bearin ings gs ma be eith either er deep deep groo groove ve
n.
ne
idlers. Table 24 (clause
D-1)
SERIES
imen imen ions ions in md]imetres.
il
‘A’representing ‘A’representing vi of ve or ns 26 ‘B’ appl applic icab able le fo trou trough ghin in an retu return rn idle idlers rs resp respec ecti tive vely ly
Idler Number
Width 63.5
II
tO
lt)l.6to
127
17
65
12
20
1200
prod produc uc of serv servic ic fact factor or ‘A’ and
0 o Iv
sele select ctio io of dler dler seri series es numb numb r.
152.4, V1
30 or
‘A’ (Clause D-3.1)
D-2.1
Factor ‘A’
conditions:
Inte Interm rmit it en
oper operat at on-( on-( es
than than
hour hour
er ay
Return Return idler idler 12
Seaso Seasonat nat operat operation ion for stockp stockpili iling ng
‘D-2.2
On shif shif oper oper ti n—
Th be used,
on on
rm nt be expecte expected. d.
nd
s,
hi
he
to
hour hour
er day) day)
Return Return idler idler
wi
Trou Trough ghin in
le
Clas Clas ifie ifie
Class Classifi ified ed mater materiat iat
12
Clas Classi sifi fied ed mate materi rial al over over
15
Uncl Unclas assi sifi fied ed mate materi rial al limi limite te
ra de
te ia
by belt belt widt widths hs only only
15
to 12
Return Return idler idler
D-2.3
12 1600 kg/m3
ng
rs nd
refo refo
re
Clas Classi sifi fied ed mate materi rial al over over
ng
Uncl Unclas assi sifi fied ed mate materi riat at limi limite te
ca
rn
onti ontinu nu us oper operat atio io
rr
All mater material ial
53
by belt belt widt widt hour hour
only only
15 15
er ay 15
IS 1159 11592: 2:20 2000 00
‘B’ (Clause D-3.1)
(Clause Maxi-
Bulk Dens Densit it
of Mate Materi rial al
kg/m3
Belt Belt Widt Widt
mum
Bulk Dens Densit it
kg/m3
mm
Lump
Abov 2000
12
Size mm 100
120
144
112 108
144
120
260
180
216
112
128
140
160
168
192
196
224
224
256
252
288
app~ app~ic icat atio io
an rs of idler er es respectively.
300
2.3
400
2.8
500
3.5
800
4.6
6.2
6.8
6.6
1200
13.6
14.2
16.6
1800
20.3
24.3
25.7
320
belt speed speed fo trou trough ghin in fact factor or and belt cu
ed
D-3.4.1 Fo Trou Trough ghin in
el
Idle Idle Selection
er
applic icat atio io D-3.3 Th appl
4,5
13.0
D-3.2 Figures betw betwee ee
of Mate Materi rial al
Factor
12
Factor Ther Theref efor ore, e, trou trough gh
fact factor or (see (see D-3. D-3.1) 1) when when plot plotte ted, d,
factor
Fig.
idlers idlers respec respectiv tively ely of th part partic icul ular ar inst instal alla lati tion on D-3. D-3.
appl appl ca on fact factor or of 76 D-3.4.2 Fo
Exam Exampl pl
etur etur Idle Idle
seri series es II id er
elec elec ed
elec electi tion on
Type Type of serv servic ic Type Type of mate materi rial al
Belt Belt spee spee
Crus Crushe he
ston stone, e, m3
Appl Applic icat atio io fact factor or fo retu return rn dler dler
.7 m/ appl appl ca on fact factor or of 2,
54
seri series es
idle idle is nd cate cated. d.
IS 1159 11592: 2:20 2000 00 5.0 4.5
.L.O
3.5
au-l
2.5 \’
1.5 1.0
500
FIG.
22
SELECTJON
1000
FO
CHART
1500
R OU OU GH GH IN IN G I D E R F O
2000
EL
2500
ID
3000
UP
5.0 4.5 4.0 3.5
2.5
03 1.5
-t-h--m, 111
Lo
lr-
\“
0.5
100
FIG 23
200
300
SELECTION
55
400
500
600
IS 1159 11592: 2:20 2000 00
(Cla (Clause use 8.8. 8.8.5. 5.3) 3)
oa on
E-1
su
where Ki is th appl applic icat atio io fa to fo th idle idlers rs as give give
loads is
‘=[:’’1G:”p;+[+mBg”pc)new =~fjKiBf
eqm
E-2
... (67)
where B~is
y:
va ue B[ based
ma be obta obtain ined ed from from be ring ring manu manufa fa ture turers rs
... (66) (66)
ca be orhe orhe meth method od as w~lL w~lL
Ki (Clause E-2) Se vi e/Sp e/Sp ed Lump Lump
e o Serv Servic ic
fhct fhctor or (Ks. (Ks.
H ou ou r s
p er er a t i
0.7
to
Lr
1.0
.Up 1.0to 2.0 3,0 to 4.0
1.1
4.0 Lump Lump acto acto (K.) (K.)
Unclassified mm
150 2.0 250 to 30
2.3
2.7 400
3.0
500
550
4.0
550
600
4.3
350 400 to 450
Classi Classifie fie
1.3
mater material ial
100to 150
1.6
to
2.0 2.3
to
56
2.7
Fact Factor or
IS 1159 11592: 2:20 2000 00
(Clause 8.8.4.4)
F-1 ]ndu ]nduce ce
belt belt edge edge tens tensio io is th ra io maxi maximu mu belt belt edge edge tens tensio io nd th maxi maximu mu rate rate belt belt tens tensio ion, n,
a)
lnax lnaxim imum um rate rate belt belt tens tensio io duri during ng peak peak belt belt load loadin ings gs rt -s ri stwstw-ti tingan ngan stop stoppi ping ng th onve onveyo yo belt belt
on
ra
st dy nd b) tens tensio io th belt belt cent centre re rema remain in dequ dequat at alwa always ys posi positi tive ve prev preven en belt belt buck buckli ling ng
F-2
Iact Iactur ur r. th maxi maximu mu belt belt edge edge tens tensio io unde unde stea steady dy op rati rating ng cond condit itio io is sele sele ted. ted. Laken
ga ns
vera verage ge be
fo
ns
ns
dg
ns
59 non-s non-ste tead ad
oper operat atin in
cond condit itio ion. n. .-
...’ AT (Cla (Claus uses es
‘r ns on
an
130% Criterion
Rati Rati
of Aver Averag ag ension on at Belt ensi Tran Transi si io to
AT
1.5T,,,
1.2 Tm
1.4T,,,
1 .3 .3 5
1.8 Tm 1.95 Tm
1.2 Tm
1.65 Tm
2.25 Tm
1:35 Tm
1.8
I.3r,,,
1.05 Tm
1.05 Tm 1.OT,,,
0 ,4 ,4 5 5T
Tm Tm
2.55 Tm
Tm
1.8 Tm
tens tensio io
perc percen en
1.65 1.65 Tm
1.35 1.35
0.8 T,l 0,7 T,, 0.6T),,
t.15 Tm
1.35 Tm
1.05 45
0.4 T,
1.2
1.2 0.9
1.8 Tm
1.8
1.5 Tm
1.5 Tm
centr No bel centr
1.2 Tm
0,9
Tm
0.9
0.2T,,, 0, IT,, 5 T
57
Tm
0.9
Tm
0.9
Tm
0.9
Tm
buckling
nd
IS 1159 11592: 2:20 2000 00
(Cla (Claus uses es 8.9. 8.9.2. 2. an 8.9. 8.9.3. 3.5) 5)
G-1 For
Curcass Curcass Constru Constructi ction on (Lon (Longi gitu tudi dina na Dire Direct ctio ion) n)
Typical Value
Range
Cotton
7-1o
Polyamide
5-7
Polyester
10-20
16 6.5 12
Stee Stee cord cord
50
30-50
(Clause 8.10.2.4)
H-1 Drive
inde indepe pend nden entl tl
drive driven. n. ug
de
nt ho have have th tw driv driv unit unit reas reason onab ably ly clos clos toge togeth ther er Th ar fitt fitted ed pr
primary pulley. Th
wo driv driv pull pulley eys, s, th wo
re
diff differ eren ence ce
hara hara st we he slip slip char charac acte teri rist stic ic of ithe ithe th el ctri ctri mo or or flui flui oupl ouplin ings gs (whe (whe thes thes re fitt fitted ed). ).
58
is poss possib ible le wi
gear geared ed tand tand
IS 1159 11592: 2:20 2000 00
(Clause 8.13.4.2)
J-1 For
receiving
V* cOse=—
-g”rP
SEPARATION J-2.1
vertical foll follow owin in
th foll follow owin in
form formul ula: a:
form formul ula: a: I
.50”
1-
I
1
I
‘“’’l-t+ 1.00
3.00 1.0
0.8
DEG PULLEYDIAMETER— METRES FIG.
24 ANGLE ANGLE OF SEPARA SEPARATIO TIO
FORBELTS
... (68) (68)
IS 1159 11592: 2:20 2000 00
.. (6
th
conf config igur urat atio io
hz, ........... ...........
J-3.2
in give give
belo below: w:
1=
113
0.012
0.049
0.110
116
h9
0.784 II 1.483
J-4.1
0.196
12
1.765
13
2.071
0.306 10
0.993
1.226
h“14
hlj
2.402
2.757
mate materi rial al of heig height ht HI, the radius rP P+Hi an velo veloci city ty by v(rP+H1) ‘P
.1 11592 11592:20 :2000 00
BELT
AL
LT
ASCENDING BELT
k-’ /“
13’
T“P
~.,,-.
Cose6 sc N 1 N G BELT
Cose>l
and
e<6
DESCENDING BELT
Fi~. Fi~. 25
JEC
MATER IAL
to prom promot ot
country. Copyright
th
itsp itsp
th se se
la
ic
th
issu issu
Amendments
I s s u e d S i n c P u b l i ca ca t io io n
Text Text Affe Affect cted ed
d N
Headquarters: Telegrams
Mana Manaks ksan ansth sth Telephone 3237617 3233841
3378499,3378561 3378626,3379120
CALC CALCUT UTTA TA 7000 700054 54 CH
603843 602025 2350216,2350442 2351519,2352315
MUMB MUMBAI AI 4000 400093 93
8329295,8327858 3278 3278 1, 32 89