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SCREW CONVEYOR BASIC DESIGN CALCULATION CEMA (Conveyor Equipment Manufacturer Association) Approach
conveyor No. 27A/27B
"ro$ect % V&$aya'ada ()erma* "o'er +tat&on, +tae-IV n&t7 #00 3 +u5$ect : onveyor De&n a*cu*at&on a er #t) ed&t&on o8 EA IN"( DA(A %
REV.
2
Dated 07.12.06
Document No. GID-064-!"11#2
"R" "R ". B% AV !D B B%% AV A"" B% AV
E9. 12.0 R9 =#.2# 3 P3
P1
E9. 0.0 G9 27.0 3 "RIAR +RA"ER
+E;NDAR
P2
E:I+(ING "9AN(
+RA"ER
E9. 0.0 <<9 2=.2# 2=.2# 3
E9. -36 R9 21.0
NE "9AN( 9EVE9
V "9; +RA"ER+ P2
473.974 (27A) 476.324 (27B)
"R;
onver&on
650 %000 %000 49.000 5 .7 0 0 4 9 .3 3 0 2 3 2.90 Coa
0. T*&3 30 && 20 -eg'ee/ %52.4 %52.4 && %.0 & 35 -eg'ee/ 9.07 &*/ec2 % 7 % 3
0.4536 3.20 0.3040% 2 5 .4 0.50%3 0.023%7
% T3*#'
Page 1 of 7
TPH && & & & -eg'ee/ -eg'ee/ 1 &*/ec
g/. eet ete'/ && t'*ec 3*#'
conveyor No. 27A/27B
"ro$ect % V&$aya'ada ()erma* "o'er +tat&on, +tae-IV n&t7 #00 3 +u5$ect : onveyor De&n a*cu*at&on a er #t) ed&t&on o8 EA
A99A(I;N+ % BE9( +"EED !E> % A"AI( A+ "ER (AB9E 4.= "AGE #= ;< EA !i"t# o+ %000 && 8i"e conveyo' $et in inc#e/ pee" %00 t pe' in,te Capacity o+ Conveyo' '&t) tandard ede d&tance3 a/ pe' ta$e 4.3 +o' 36 inc# $et@ 20 "eg /,'c#a'ge ange at 0.50 &t'. */ec Capacity o+ 39.37 inc# (%000 &&) 8i"e $et (By inte'poating 36 inc# 42 inc# capacity o+ ta$e 4.3) at 0.50 &*/ec Capacity at % &*/ec Capacity in 3* #' Capacity in TPH ( 3*#' > -en/ity) at % &*/ec () Capacity 'e,i'e" to $e conveye" (Q) in. Bet /pee" 'e,i'e" (Q*) v; Bet /pee" con/i"e'e" (v) iing +acto' (v; * v) !ENE BE9( +"EED +E9E(ED I+ ;.>.
VA9E ;<
v) 2). !eig#t + $et @ !$ a/ pe' P#oeni D,e cataog,e page 9 +o' /eecte" 'ating o+ 50 0/4-!D 8it# Top cove' 5&& an" $otto& cove' 3&& Ca'ca// ,nit 8eig#t +o' given 'ating
(
REV.
2
Dated 07.12.06
Document No. GID-064-!"11#2
"R". B% AV !D B% AV A"" B% AV
39.37 inc# 0.50 &*/ec 56.0 T3*#'
7%6.2 T3*#' %4%07.02 399.47 3%9.57 650 2.03 2.90 0.70%4
T3*#' 3*#' TPH TPH &*/ec &*/ec 1
62.26 >/m
16.772 >/m 3.% g* &2 %.%% g* &2
1.0
4). "e' 'iction acto'@ = 0.0006(!$?!&)?Ai*i o'ce to ove'co&e 'ictiona Fe/i/tance Fotate "e'/A&3 +o' %52.4&& (6 inc#) i"e'/ a/ pe' page 9% o+ CEA #@ etra 8or V tye return Id*er3 > = 0.0006(22.%06?%30.72)?(%.575> 0.4536)*%.2
%.575 $/
0.76?
5).acto' +o' Fe/i/tance to e,'e o+ Bet oa" > y3 engt# o+ conveyo' in +eet =(%> 3.20) (!$?!&) * (0.4536> 3.20) in $/* +eet
Page 2 of 7
%6%.43 eet 53.%07 $/*+eet
conveyor No. 27A/27B
"ro$ect % V&$aya'ada ()erma* "o'er +tat&on, +tae-IV n&t7 #00 3
REV.
+u5$ect : onveyor De&n a*cu*at&on a er #t) ed&t&on o8 EA
2
Dated 07.12.06
Ga,e o+ >y +o' given engt#@ 8t. /ope/ a/ pe' ta$e 6.2 Page 93
Document No. GID-064-!"11#2
"R". B% AV !D B% AV A"" B% AV
0.02#0
A99A(I;N ;< E<
>t
=7.? >
2). Ten/ion ",e to 'e/i/tance o+ Bet to e,'e +o' ca''ying "e'/@ (yc C 91> y5>t
20.6? >
3). Ten/ion ",e to 'e/i/tance o+ Bet to e,'e +o' 'et,'n "e'/@ (yr C 910.01#5>t
12.41 >
4). Ten/ion ",e to 'e/i/tance o+ ate'ia to e,'e @ (ym C 91> ym
76.7? >
5). o'ce nee"e" to i+t t#e ate'ia@ (m C !m
=#4.? >
6). o'ce to accee'ate t#e ate'ia@(am C 1000v/=6003
#=.= >
7)Ten/ion ",e to Bet c'ape' 'e/i/tance (5c): Ten/ion ",e to eac# /c'ape' (/c) = 3 $/* inc#(con/i"e'e" +o' #a+ &ate'ia 'e&ova +'o& $et) a/ pe' ta$e 66 T$c= /c> Bet !i"t#> o. o+ c'ape'/=/c>B>4
0.053575 g/* &&
160.72440 >
)Ten/ion ",e to i't$oa'" 'iction@ (5 C 95)2F63 engt# o+ /i't$oa'" i't$oa'" 'iction acto' a/ pe' ta$e 6.7
5000 &&
95
-ept# o+ ate'ia to,c#ing i't$oa'" (%01 o+ Bet 8i"t#)a/ pe' page %0% )3
(5 = $(C/#/2?6) = 0.4536(%2000* (25.4>%2)>(0.0754>(%40*25.4)2?6)
C
50.?F0.01(av/53Bt/D3
Re&tance o8 eac) u**ey 5r, ea* etc ( 23 (23 C
%00 &&
#=.=42 >
9). Ten/ion ",e to P,ey/ 'e/i/tance a/ pe' Appen"i C page 405@ (
(13
0.0754
0.01d/D3R
Page 3 of 7
conveyor No. 27A/27B
"ro$ect % V&$aya'ada ()erma* "o'er +tat&on, +tae-IV n&t7 #00 3 +u5$ect : onveyor De&n a*cu*at&on a er #t) ed&t&on o8 EA ')ere $=8i"t# o+ $et (%400&&) Bt= Conveyo' Bet t#icne// (6?3?5.2) && -p= P,ey -ia&ete' 65 && con/i"e'ing -ia o+ "'ive P,ey/ "/= P,ey /#a+t -ia %50 && (a//,&e")con/i"e'ing -ia o+ "'ive P,ey
REV.
2
Dated 07.12.06
Document No. GID-064-!"11#2
"R". B% AV !D B% AV A"" B% AV
55.%2 inc# 0.56 inc# 25.90 inc# 6.00 inc#
Tav = Ave'age ten/ion at p,ey a/ pe' +oo8ing:: o' cac,ating t#e 8'ap ave'age Ten/ion a t#e ten/ion/ cac,ate" a$ove (av =(T?Tyc?Ty'?Ty&?T&?Ta&?T$c?T/$) can $e a""e" an" "ivi"e" $y +acto' 0.4536 to get ave'age ten/ion in $/ F= Fe/,tant 'a"ia oa" (Gecto' /,& o+ Ave'age $et ten/ion (Tav) p,ey 8eig#t (!p)) !eig#t o+ p,ey a//,&e" (!$) con/i"e'ing app. 8t. o+ "'ive p,ey F = ((Tav) 2?(!p)2)%*2
%500 $/ 2265.495653 $/
(13 C 50.?F0.01(av/53Bt/D3 8or +&n*e u**ey (13 +o' /inge. non "'ive p,ey in g/. (13 8or 7No. non dr&ve u**ey &n >. (23 C
%697.7 $/
0.01d/D3R 8or &n*e u**ey
%%.6456 $/ 5.3%7766%25 g/
=7.6724=62 > #.24?2#27 $/
(23 +o' /inge non "'ive p,ey in g/.
2.306075472 g/
(23 8or 7 No. non dr&ve u**ey &n >.
16.6642#2?= >
Tota p,ey 'e/i/tance +o' non "'ive p,ey/ (C(13 F (23
!ENE (;(A9 E<
' , "5 C (ev/1000 C
#4.=4 >
?24.4# >
2=.4# >'
8#e'e Te i/ eective ten/ion@ v i/ $et /pee" g i/ accee'ation ",e to g'avity
Dr&ve u**ey o'er "dCN(13F(233v/1000
Page 4 of 7
0.22 >'
conveyor No. 27A/27B
"ro$ect % V&$aya'ada ()erma* "o'er +tat&on, +tae-IV n&t7 #00 3 +u5$ect : onveyor De&n a*cu*at&on a er #t) ed&t&on o8 EA
REV.
2
Dated 07.12.06
Document No. GID-064-!"11#2
"R". B% AV !D B% AV A"" B% AV
8#e'e i/ no. o+ "'ive p,ey/@ Tp(%) Tp(2) p,ey 'e/i/tance@ v i/ $et/pee" g i/ accee'ation ",e to g'avity
Add #@ etra 8or eed reduct&on *o on "5J "dC 1.0#"5F"d3 "o'er at motor )a8t, " m C "5F"dF#@ reducer mar&n C De&n mar&n on motor reHu&red a er tender otor "o'er '&t) 20@ mar&nC"m1.2 +E9E(ED ;(;R+
BE9( (EN+I;N A99A(I;N+%+9A> +IDE (EN+I;N A99A(I;N % ini&,& Ten/ion +o' 21 ag@ (o = 6.25>i(!$?!&) at tai en" co/e to oa"ing point
2.60 >' 26.27 >' 20 @ =1.#= > =6.00 >
4=.# >
+*ac &de (en&on (2 a er 8ormu*a (2C(oF!53-(yr !eig#t o+ 'et,'n $et =H>!$ 95.60 g/ Fe/i/tance o+ 'et,'n $et Ty'= 0.0%5>%>!$>t %2.4% !ence (2 #77.14 >. +*ac &de (en&on (2 a er 8ormu*a (2C(e' ' & ra 8actor a er (a5*e 6.? o' an,a (/c'e8 tae ,p) +o' agge" p,ey o' a,to&atic tae,p inge 8it# /n,$@ 200 -eg 8it# agg
o' -,a agge" P,ey
0.7 0.42 0.%%
#e/e conveyo'/ a'e p'ovi"e" 8it# /inge "'ive ,/e C8 T2 = Te>C8
0.42 =46.27 >
(a&n !&)er o8 t)e a5ove t)ree Va*ue, (2
6==.64 >
(IG!( +IDE (EN+I;N A99A(I;N % Tig#t i"e Ten/ion at P,ey@ (1 = Te?T2 BE9(ING +E9E(I;N % ai&,& ope'ating Ten/ion in Bet@ (ma C (1/53 T% a/ cac,ate" a$ove T% in = T%>g* %000 $ = $et 8i"t# in t'. (ma C (1/53 +e*ect Be*t&n 8rom ")oen& u*e ata*oue
Page 5 of 7
14#?.0 >
%45.09 g/ %4.30 * %.00 t' 14.=0 >N/
400/=
Ny*on-Ny*on
conveyor No. 27A/27B
"ro$ect % V&$aya'ada ()erma* "o'er +tat&on, +tae-IV n&t7 #00 3 +u5$ect : onveyor De&n a*cu*at&on a er #t) ed&t&on o8 EA
REV.
2
Dated 07.12.06
Document No. GID-064-!"11#2
"R". B% AV !D B% AV A"" B% AV
!eavy-Duty
N/ Fatio o+ a Ten/ion to a ten/ion = T&a* T a
35.74 1 A/ t#i/ 'atio i/ e// t#an 5 1 ao8e" in T /eecte" 'ating i/ a. $et 8i"t# +o' /ati/+acto'y oa" ,ppo't con/i"e' t#e given Bet 'ating a/ pe' P#oeni D,e Cataog,e
%000 &&
ini&,& Bet !i"t# 'e,i'e" +o' /ati/+acto'y T'o,g#in +o' /eecte" Beting a/ pe' P#oeni D,e Cataog,e
500 &&
!ence e*ected Be*t &dt) ;> INI "99E DIAE(ER+ REIRED A+ "ER "!;ENI: -'ive P,ey -ia&ete' (P%) Tai*Tae
9E A(A9;GE 3%5 && 200 && 250 && #0? mm #20 mm 420 mm
GEAR B;: RED(I;N RA(I; % -'ive oto' FP -'ive P,ey FP@ n = v>60000*(π>"ia&ete' o+ -'ive P,ey
Iea' Bo Fe",ction Fatio 'e,i'e" @i = *n Gear rat&o e*ected ina Bet pee" a/ pe' eecte" Iea' Bo Fe",ction Fa -Gear 5o > rat&n C 1.2# otor >
;("( % oto' Po8e' eecte" ac i"e Ten/ion (T2) Tig#t i"e Ten/ion (T%) Bet Fating eecte" Feco&&en"e" ai&,& Bet !o'ing Ten/ion eecte" -'ive P,ey -ia&ete' (P%) eecte" Tai*Tae
Page 6 of 7
%440 %09.03 %3.2% 20.00 %.92 4#
36 633.64 %45.09 400*3 40.00 50 520 420 20
'p& 'p&
&*/ec >
! g/ g/ H- * * && && &&
conveyor No. 27A/27B
"ro$ect % V&$aya'ada ()erma* "o'er +tat&on, +tae-IV n&t7 #00 3 +u5$ect : onveyor De&n a*cu*at&on a er #t) ed&t&on o8 EA
REV.
2
Dated 07.12.06
Document No. GID-064-!"11#2
"R". B% AV !D B% AV A"" B% AV
REVISION-1
REVISED AS PER M/S DESEIN COMMENTS REF NO. 438 DATED 25.0.2006. A!SO REVISED AS PER REVISED CONVE"OR !A"O#T D#E TO R! DIFFERENCE OF NE$ P!ANT % E&ISTIN' P!ANT.
REVISION-2
CONVE"OR !EN'T( REVISED D#E TO S(IFTIN' OF )T*11 AS PER REVISED P!OT P!AN NO. 'ID*064*C(P*1157 REV 1. M/S DESEIN COMMENTS REF NO. 55 DATED 10.11.2006. A!SO INCORPORATED.
Page 7 of 7
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