Design of a belt conveyor with single drive unit.Full description
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POWER MOTOR & COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled handled Material density Calculation Conveyor Capacity Q'
Po Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 2.87 kW
6120 x P V
= Slack Side Tension (T2) = F2 =
1503.48 kg Te x 1/e 1/e (Dri (Drivi ving ng Coeff oeffec ecie ient nt Fact Factor or))
P
= = =
Total Power P1 + P2 + P3 + Pt 7.37 kW
Choice
=
11.06 kW 12.00 kW kW 17.0 17.00 0 hp
W 1 ( H +/- f x L ) 107.77 kg 50/8 x Lr x W1
W EIGHT OF ROTATING PARTS OFCARRIER Wc = 13.9 kg/set
DRIV DRIVIN ING G COEF COEFFE FEC CIENT IENT FAC FACTOR TOR 0.5
WEI WEIGHT GHT OF ROTA ROTATI TIN NG PAR PARTS OF RETU ETURN ROLL ROLLER ER Wr = 12.2 kg/set TABEL
BELT W EIGHT STANDART (W1) 13 kg/m
W EIGHT OF MATERIAL PER METER LOADED ON CONVEYOR Wm = Qt Qt 0.06 x V
RETURN IDLER SPACING (Lr) 3 m
=
Safety factor 1.5 Safety factor 1.63
FRICTION FACTOR 0.2
751.74 kg
F4
=
83.33 kg/m
243.75 kg CARRY IDLER SPACING (Lc) 1 m
Counter Weight Calculation (Wt)
~ ~
2 x T2 2 x T4
= =
1503.48 kg kg 487.5 kg
Choise the Larger Tension
MINIMUM TENSION OF CARRIER SIDE F4c = 12.5 Lc ( W m + W1 ) =
Safety factor (SF) = Maximum Tension (FM) ~ or or or
7 2751.54 2034.88 2255.22 487.50
Choice Bigest Tension =
5 ~ 10 kg kg kg kg
= = = =
Fp + F4c - Fr Fp + F4r - Fr Fp + F2 Fp + F4r
MINIMUM TENSION OF RETURN SIDE F4r = 12.5 Lr . W 1 =
Fr
=
75 cm 4 nos FM x SF BW x n
= = CHOICE
1204.17 kg
487.50 kg
2255.22 kg
Belt Width (BW) = Number of ply (n) = Breaking Strength of tension layer
0.060078
0.72 kW
P3
Effective tension (Te) =
=
2.65
= Po P ower required to move load on level (kW ) = f x Q (L + Lo) 367 = 1.13 kW
FP
A=K(0.9B-0.05)
30 m/ m/min
Weight of moving parts without material c arried 53
=
P2
=
F3
W
0.72 T/ T/cum
o move emp y e
=
0.625 0.0625
= 60 min/jam x Area (A) x Material Density x Belt Speed (m/min) 0.06 Sq Sq.m
Conveyor Capacity Q
K Value
52.6218 kg/cm.ply 210.4872 kg/cm EP 500/4
Table Tensile Strength
= f ( L + Lo)(w1 + W r/Lr) - (H.W1) =
-43.896 kg
m2
COUNTER WEIGHT CALCULATOR
PROJECT :
PT. CA CAMCO OM OMYA
Belt width Tensile strength of belt EP500 Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Calcium Carbonate Conveyor Capacity Q
m m m m/min
60 Ton/hours
ower requ re to move empty e t
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
200 250 30 45
=
= P2
450 mm mm
= = =
Effective tension (Te) =
Power required to move load on level ( kW kW ) f x Q (L + Lo) 367 1.47 kW Power to Lift load (kW ) HxQ ( + ) value for ascent conveyor 367 ( - ) va v alue for descent conveyor 4.91 kW 6120 x P V
Te x 1/e (Driving Coeffecient Factor) 467.86 kg
Slope Tension (T3) = =
W 1 ( H +/- f x L ) 337.5 kg
~ ~
DRIVING COEFFECI 0.418
BELT W EIGHT STAN 9 kg/m
50/8 x Lr x W 1
RETURN IDLER SPA 3 m
= Counter W eight Calculation (W t)
FRICTION FACTOR 0.2
1119.28 kg
=
Sag Tension (T4) =
W eight of moving part W 28
1.85 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
168.75 kg 2 x T2 2 x T4
= =
935.72 kg 337.5 kg
Choise th the Larger Te
without material carried
t
=
P
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 8.23 kW
COUNTER WEIGHT CALCULATOR
PROJECT :
EMOMI
Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled ASH WASTE Conveyor Capacity Q
450 EP500 201.7 98.7 21.3 90
=
ower requ re to move empty e t
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
m m m m/min
5 Ton/hours
= P2
mm
= =
Power required to move load on level ( kW ) f x Q (L + Lo) 367 0.07 kW Power to Lift load (kW) HxQ 367
( + ) value for ascent conveyor ( - ) value for descent conveyor 0.3 kW
6120 x P V
= Slack Side Tension (T2) =
Te x 1/e (Driving Coeffecient Factor) 170.55 kg
Slope Tension (T3) = =
W1 ( H +/- f x L ) 169.83 kg
~ ~
DRIVING COEFFECI 1.14
BELT WEIGHT STAN 7 kg/m
50/8 x Lr x W1
RETURN IDLER SPA 3 m
= Counter Weight Calculation (Wt)
FRICTION FACTOR 0.2
149.6 kg
=
Sag Tension (T4) =
W
Weight of moving part 28
1.83 kW
= Effective tension (Te) =
Friction Factor (f) f 0.03 Lo 49
131.25 kg 2 x T2 2 x T4
= =
341.1 kg 262.5 kg
Choise the Larger Te
Belt Spesification :
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 2.2 kW
Scandura PN150 x 3 x 5 + 1.5
COUNTER WEIGHT CALCULATOR
PROJECT :
EMOMI
Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled ASH WASTE Conveyor Capacity Q
450 PN150 x 3 93.647 98.7 22.133 60
=
ower requ re to move empty e t
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
m m m m/min
10 Ton/hours
= P2
mm
= = =
Effective tension (Te) =
Power required to move load on level ( kW ) f x Q (L + Lo) 367 0.13 kW Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 0.61 kW 6120 x P V
Te x 1/e (Driving Coeffecient Factor) 227.91 kg
Slope Tension (T3) = =
W1 ( H +/- f x L ) 175.66 kg
~ ~
DRIVING COEFFECI 1.14
BELT WEIGHT STAN 7 kg
50/8 x Lr x W1
RETURN IDLER SPA 3 m
= Counter Weight Calculation (Wt)
FRICTION FACTOR 0.2
199.92 kg
=
Sag Tension (T4) =
W
Weight of moving part 28
1.22 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
131.25 kg 2 x T2 2 x T4
= =
455.82 kg 262.5 kg
Choise the Larger Te
Belt Spesification :
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 1.96 kW
Scandura PN150 x 3 x 5 + 1.5
COUNTER WEIGHT CALCULATOR
PROJECT :
EMOMI
Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled ASH WASTE Conveyor Capacity Q
450 PN150 x 3 93.647 97.947 22.133 72
=
ower requ re to move empty e t
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
m m m m/min
10 Ton/hours
= P2
mm
= = =
Effective tension (Te) =
Power required to move load on level ( kW ) f x Q (L + Lo) 367 0.13 kW Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 0.61 kW 6120 x P V
Te x 1/e (Driving Coeffecient Factor) 213.18 kg
Slope Tension (T3) = =
W1 ( H +/- f x L ) 175.5 kg
~ ~
DRIVING COEFFECI 1.14
BELT WEIGHT STAN 7 kg/m
50/8 x Lr x W1
RETURN IDLER SPA 3 m
= Counter Weight Calculation (Wt)
FRICTION FACTOR 0.2
187 kg
=
Sag Tension (T4) =
W
Weight of moving part 28
1.46 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
131.25 kg 2 x T2 2 x T4
= =
426.36 kg 262.5 kg
Choise the Larger Te
Belt Spesification :
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 2.2 kW
Scandura PN150 x 3 x 5 + 1.5
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Conveyor Capacity Q
PT. FREEPORT Mc.MORRAN INDONESIA 750 NN200 x 5 X 5/1.5 13 12.76 0 142 SPLIT STONE 200
=
0.06 x f x W x V (L + Lo) 367
= =
= =
Effective tension (Te) =
Power to Lift load (kW) HxQ 367
Sag Tension (T4) =
FRICTION FACTOR 0.2
329.28 kg Te x 1/e (Driving Coeffecient Factor)
DRIVING COEFFECI 1.14
375.38 kg W1 ( H +/- f x L )
BELT WEIGHT STAN 13 kg/m
4.98 kg 50/8 x Lr x W1
RETURN IDLER SPA 3 m
= ~ ~
( + ) value for ascent conveyor ( - ) value for descent conveyor 0 kW
6120 x P V
= Slope Tension (T3) = =
W
Weight of moving part 154
Power required to move load on level ( kW ) f x Q (L + Lo) 367 1.01 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
6.63 kW
=
Counter Weight Calculation (Wt)
Ton/hours
ower requ re to move empty e t
= P3
m m m m/min
=
= P2
mm
243.75 kg 2 x T2 2 x T4
= =
750.76 kg 487.5 kg
Choise the Larger Te
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 7.64 kW
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Conveyor Capacity Q
PT. Krakatau Bandar Samudra 1000 EP800/4 25.5 25 0 142 SOYBEANS 600
=
0.06 x f x W x V (L + Lo) 367
= =
= =
Effective tension (Te) =
Power to Lift load (kW) HxQ 367
Sag Tension (T4) =
FRICTION FACTOR 0.2
498.66 kg Te x 1/e (Driving Coeffecient Factor)
DRIVING COEFFECI 1.14
568.48 kg W1 ( H +/- f x L )
BELT WEIGHT STAN 13 kg/m
9.75 kg 50/8 x Lr x W1
RETURN IDLER SPA 3 m
= ~ ~
( + ) value for ascent conveyor ( - ) value for descent conveyor 0 kW
6120 x P V
= Slope Tension (T3) = =
W
Weight of moving part 154
Power required to move load on level ( kW ) f x Q (L + Lo) 367 3.63 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
7.94 kW
=
Counter Weight Calculation (Wt)
Ton/hours
ower requ re to move empty e t
= P3
m m m m/min
=
= P2
mm
243.75 kg 2 x T2 2 x T4
= =
1136.96 kg 487.5 kg
Choise the Larger Te
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 11.57 kW
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Conveyor Capacity Q
PT. FREEPORT Mc.MORRAN INDONESIA 750 NN200 x 5 X 5/1.5 25.5 28.3 9.3 142 SPLIT STONE 200
Ton/hours
ower requ re to move empty e t
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
m m m m/min
=
= P2
mm
= = =
Effective tension (Te) =
Power required to move load on level ( kW ) f x Q (L + Lo) 367 1.27 kW Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 5.07 kW 6120 x P V
Te x 1/e (Driving Coeffecient Factor) 719.31 kg
Slope Tension (T3) = =
W1 ( H +/- f x L ) 131.94 kg
~ ~
DRIVING COEFFECI 1.14
BELT WEIGHT STAN 13 kg/m
50/8 x Lr x W1
RETURN IDLER SPA 3 m
= Counter Weight Calculation (Wt)
FRICTION FACTOR 0.2
630.97 kg
=
Sag Tension (T4) =
W
Weight of moving part 154
8.3 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
243.75 kg 2 x T2 2 x T4
= =
1438.62 kg 487.5 kg
Choise the Larger Te
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 14.64 kW
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Conveyor Capacity Q
PLN SURALAYA 1800 NN200 x 5 X 5/1.5 528.8 548.5 9.8 198 COAL 2400
Ton/hours
ower requ re to move empty e t
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
m m m m/min
=
= P2
mm
= = =
Effective tension (Te) =
Power required to move load on level ( kW ) f x Q (L + Lo) 367 117.23 kW Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 64.09 kW 6120 x P V
Te x 1/e (Driving Coeffecient Factor) 9537.79 kg
Slope Tension (T3) = =
W1 ( H +/- f x L ) 1207.73 kg
~ ~
DRIVING COEFFECI 1.14
BELT WEIGHT STAN 46 kg/m
50/8 x Lr x W1
RETURN IDLER SPA 3 m
= Counter Weight Calculation (Wt)
FRICTION FACTOR 0.2
8366.48 kg
=
Sag Tension (T4) =
W
Weight of moving part 154
89.36 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
862.5 kg 2 x T2 2 x T4
= =
19075.58 kg 1725 kg
Choise the Larger Te
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 270.68 kW
COUNTER WEIGHT CALCULATOR
PROJECT :
EMOMI
Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled ASH WASTE Conveyor Capacity Q
450 PN150 x 3 93.647 98.7 22.133 72
=
ower requ re to move empty e t
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
m m m m/min
10 Ton/hours
= P2
mm
= = =
Effective tension (Te) =
Power required to move load on level ( kW ) f x Q (L + Lo) 367 0.13 kW Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 0.61 kW 6120 x P V
Te x 1/e (Driving Coeffecient Factor) 214.15 kg
Slope Tension (T3) = =
W1 ( H +/- f x L ) 175.66 kg
~ ~
DRIVING COEFFECI 1.14
BELT WEIGHT STAN 7 kg/m
50/8 x Lr x W1
RETURN IDLER SPA 3 m
= Counter Weight Calculation (Wt)
FRICTION FACTOR 0.2
187.85 kg
=
Sag Tension (T4) =
W
Weight of moving part 28
1.47 kW
= Slack Side Tension (T2) =
Friction Factor (f) f 0.03 Lo 49
131.25 kg 2 x T2 2 x T4
= =
428.3 kg 262.5 kg
Choise the Larger Te
Belt Spesification :
without material carried
t
P
=
= = =
NT FACTOR
ART (W1)
ING (Lr)
sion
ower to move r pper
Total Power P1 + P2 + P3 + Pt 2.21 kW
Scandura PN150 x 3 x 5 + 1.5
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Conveyor Capacity Q
Power required to move load on level (kW) f x Q (L + Lo) 367 9.41 kW Power to Lift load (kW) HxQ 367
( + ) value for ascent conveyor ( - ) value for descent conveyor 0 kW
6120 x P V
= Slack Side Tension (T2) =
614.97 kg Te x 1/e (Driving Coeffecient Factor)
F2 =
F3
Slope Tension (T3) = = Sag Tension (T4) =
FRICTION FACTOR 0.2 DRIVING COEFFECIE 0.638
392.36 kg W1 ( H +/- f x L ) 8.42 kg 50/8 x Lr x W1
BELT WEIGHT STAN 33 kg/m RETURN IDLER SPA 3 m
F4 =
Weight of moving part W 154
7.17 kW
=
Effective tension (Te) =
Friction Factor (f) f 0.03 Lo 49
618.75 kg CARRY IDLER SPACI 0.7 m
Counter Weight Calculation (Wt)
~ ~
2 x T2 2 x T4
= =
Safety factor (SF) = Maximum Tension (FM) ~ or or or
784.72 kg 1237.5 kg
7 2598.66 1779.73 1007.33 1237.50
Choice Bigest Tension =
CHOICE
=
= = = =
Fp + F4c - Fr Fp + F4r - Fr Fp + F2 Fp + F4r
2598.66 kg
Belt Width (BW) = Number of ply (n) = Breaking Strength of tension layer
5 ~ 10 kg kg kg kg
Choise the Larger Te
140 cm 4 nos FM x SF BW x n
=
32.48324085 kg/cm.ply
=
129.9329634 kg/cm EP 500/4
Table Tensile Strength
Density Table TABEL 1 TABEL 2 K Value without material carried
t
P
=
= = =
ower to move r pper
Total Power P1 + P2 + P3 + Pt 16.58 kW 20.73 kW 21.00 kW
Safety factor 25% Round up
WEIGHT OF ROTATING PARTS OFCARRIER Wc = 90 kg/set NT FACTOR
ART (W1)
WEIGHT OF ROTATING PARTS OF RETURN ROLLER Wr = 27.5 kg/set TABEL WEIGHT OF MATERIAL PER METER LOADED ON CONVEYOR Wm = Qt 0.06 x V
ING (Lr) =
202.02 kg/m
NG (Lc) MINIMUM TENSION OF CARRIER SIDE
sion
F4c
= 12.5 Lc ( Wm + W1 ) =
2056.43 kg
MINIMUM TENSION OF RETURN SIDE F4r = 12.5 Lr . W1 =
Fr
1237.50 kg
= f ( L + Lo)(w1 + Wr/Lr) - (H.W1) =
72.7375 kg
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Conveyor Capacity Q
10.33 kW Power required to move load on level (kW) f x Q (L + Lo) 367 3.95 kW Power to Lift load (kW) HxQ ( + ) value for ascent convey 367 ( - ) value for descent conve 10.3 kW
6120 x P V
= Slack Side Tension (T2) =
Friction Fa f 0.03 Lo 49
FRICTION 0.2
1474.8 kg Te x 1/e (Driving Coeffecient Factor)
F2
F3
=
940.93 kg
Slope Tension (T3) = =
W1 ( H +/- f x L ) 430.65 kg
DRIVING 0.638
BELT WEI 33
Sag Tension (T4) = 50/8 x Lr x W1
RETURN I 3
F4 =
618.75 kg CARRY ID 0.7
Counter Weight Calculation (Wt)
~ ~
2 x T2 2 x T4
= =
1881.86 kg 1237.5 kg
Choise the
Safety factor (SF) = Maximum Tension (FM) ~ or or or
7 2455.25 2889.29 2415.73 1237.50
Choice Bigest Tension =
CHOICE
=
= = = =
Fp + F4c Fp + F4r Fp + F2 Fp + F4r
2889.29 kg
Belt Width (BW) = Number of ply (n) = Breaking Strength of tension layer
5 ~ 10 kg kg kg kg
75 cm 4 nos FM x SF BW x n
=
67.41676667 kg/cm.ply
=
269.6670667 kg/cm EP 500/4
Table Tensile Strength
tor (f) Density Table TABEL 1 TABEL 2 K Value oving parts without material carried
t
=
P
= = =
or yor
ower to move r pper
Total Power P1 + P2 + P3 + Pt 24.58 kW 30.73 kW 15.00 kW
FACTOR
Safety factor 25% Round up
WEIGHT OF ROTATING PARTS OFCARRIER Wc = 90 kg/set
OEFFECIENT FACTOR
WEIGHT OF ROTATING PARTS OF RETURN ROLLER Wr = 27.5 kg/set TABEL
HT STANDART (W1) kg/m
WEIGHT OF MATERIAL PER METER LOADED ON CONVEYOR Wm = Qt 0.06 x V
LER SPACING (Lr) m
=
58.82 kg/m
ER SPACING (Lc) m Larger Tension
MINIMUM TENSION OF CARRIER SIDE F4c = 12.5 Lc ( Wm + W1 ) =
803.46 kg
Fr r
MINIMUM TENSION OF RETURN SIDE F4r = 12.5 Lr . W1 =
Fr
1237.50 kg
= f ( L + Lo)(w1 + Wr/Lr) - (H.W1) =
-176.99 kg
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Calculation Conveyor Capacity Q'
PT. SELAT NASIK INDOKWARSA 750 EP 400/3 47.5 50 15.5 65 PASIR KWARSA 9.009
Conveyor Capacity Q
=
ower requ re
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
= = =
Effective tension (Te) = FP
F3
Slope Tension (T3) = = Sag Tension (T4) =
Ton/hours
f Lo
Friction Factor (f) 0.03 49
Density Table TABEL 1 TABEL 2 K Value
= Area (A) x Material Density x Belt Speed (m/min) 0.066 Sq.m 2.1 T/cum
W
65 m/min
Weight of moving parts without material carried 154
o move emp y e
=
ower o move r pper
4.87 kW Power required to move load on level (kW) f x Q (L + Lo) 367 0.17 kW Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 0.85 kW
6120 x P V
= Slack Side Tension (T2) = F2 =
m m m m/min
20 Ton/hours
= P2
mm
554.57 kg Te x 1/e (Driving Coeffecient Factor)
P
= = =
Total Power P1 + P2 + P3 + Pt 5.89 kW
Choice
=
8.84 kW 9.20 kW
FRICTION FACTOR 0.2
WEIGHT OF ROTATING PARTS OFCARRIER Wc = 13.9 kg/set
DRIVING COEFFECIENT FACTOR 1.14
WEIGHT OF ROTATING PARTS OF RETURN ROLLER Wr = 12.2 kg/set TABEL
BELT WEIGHT STANDART (W1) 23 kg/m
WEIGHT OF MATERIAL PER METER LOADED ON CONVEYOR Wm = Qt 0.06 x V
632.21 kg W1 ( H +/- f x L ) 391 kg 50/8 x Lr x W1
RETURN IDLER SPACING (Lr) 3 m
F4 =
Safety factor 1.5 Safety factor 1.57
=
5.13 kg/m
431.25 kg CARRY IDLER SPACING (Lc) 1 m
Counter Weight Calculation (Wt)
~ ~
2 x T2 2 x T4
= =
1264.42 kg 862.5 kg
Choise the Larger Tension
MINIMUM TENSION OF CARRIER SIDE F4c = 12.5 Lc ( Wm + W1 ) =
Safety factor (SF) = Maximum Tension (FM) ~ or or or
7 1182.28 1693.18 1186.78 862.50
Choice Bigest Tension =
5 ~ 10 kg kg kg kg
= = = =
Fp + F4c - Fr Fp + F4r - Fr Fp + F2 Fp + F4r
MINIMUM TENSION OF RETURN SIDE F4r = 12.5 Lr . W1 =
Fr
CHOICE
=
862.50 kg
1182.28 kg
Belt Width (BW) = Number of ply (n) = Breaking Strength of tension layer
351.60 kg
75 cm 4 nos FM x SF BW x n
=
27.58663983 kg/cm.ply
=
110.3465593 kg/cm EP 400/3
Table Tensile Strength
= f ( L + Lo)(w1 + Wr/Lr) - (H.W1) =
-276.112 kg
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Calculation Conveyor Capacity Q'
PT.PURABARUTAMA - KUDUS 1000 EP 400/3 10 10 0 65 PULP PAPER 15.288
Conveyor Capacity Q
=
ower requ re
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
= =
Effective tension (Te) =
F3
Slope Tension (T3) = = Sag Tension (T4) =
Friction Factor (f) 0.03 49
Density Table TABEL 1 TABEL 2 K Value
= Area (A) x Material Density x Belt Speed (m/min) 0.112 Sq.m 2.1 T/cum
W
65 m/min
Weight of moving parts without material carried 154
=
ower o move r pper
2.9 kW Power required to move load on level (kW) f x Q (L + Lo) 367 0.1 kW Power to Lift load (kW) HxQ 367
P
= = =
Total Power P1 + P2 + P3 + Pt 3 kW
Choice
=
4.50 kW 4.50 kW
( + ) value for ascent conveyor ( - ) value for descent conveyor 0 kW
6120 x P V
= Slack Side Tension (T2) = F2 =
Ton/hours
f Lo
o move emp y e
=
FP
m m m m/min
20 Ton/hours
= P2
mm
282.47 kg Te x 1/e (Driving Coeffecient Factor)
FRICTION FACTOR 0.2
WEIGHT OF ROTATING PARTS OFCARRIER Wc = 13.9 kg/set
DRIVING COEFFECIENT FACTOR 1.14
WEIGHT OF ROTATING PARTS OF RETURN ROLLER Wr = 12.2 kg/set TABEL
BELT WEIGHT STANDART (W1) 23 kg/m
WEIGHT OF MATERIAL PER METER LOADED ON CONVEYOR Wm = Qt 0.06 x V
322.02 kg W1 ( H +/- f x L ) 6.9 kg 50/8 x Lr x W1
RETURN IDLER SPACING (Lr) 3 m
F4 =
Safety factor 1.5 Safety factor 1.5
=
5.13 kg/m
431.25 kg CARRY IDLER SPACING (Lc) 1 m
Counter Weight Calculation (Wt)
~ ~
2 x T2 2 x T4
= =
644.04 kg 862.5 kg
Choise the Larger Tension
MINIMUM TENSION OF CARRIER SIDE F4c = 12.5 Lc ( Wm + W1 ) =
Safety factor (SF) = Maximum Tension (FM) ~ or or or
7 586.16 1097.06 604.49 862.50
Choice Bigest Tension =
5 ~ 10 kg kg kg kg
= = = =
Fp + F4c - Fr Fp + F4r - Fr Fp + F2 Fp + F4r
MINIMUM TENSION OF RETURN SIDE F4r = 12.5 Lr . W1 =
Fr
=
=
100 cm 3 nos FM x SF BW x n 25.59806667 kg/cm.ply
= CHOICE
862.50 kg
1097.06 kg
Belt Width (BW) = Number of ply (n) = Breaking Strength of tension layer
351.60 kg
76.7942 kg/cm EP 400/3
Table Tensile Strength
= f ( L + Lo)(w1 + Wr/Lr) - (H.W1) =
47.908 kg
COUNTER WEIGHT CALCULATOR PROJECT : Belt width Tensile strength of belt Horizontal length of conveyor C to C conveyor length L Height of level head pulley H Belt speed V Material to handled Calculation Conveyor Capacity Q'
PT. SUMATERA PRIMA FIBREBOARD 1200 EP 400/3 47.5 70 5 65 WOOD CHIP 120
Conveyor Capacity Q
=
ower requ re
=
0.06 x f x W x V (L + Lo) 367
= = =
P3
= = =
Effective tension (Te) = FP
F3
Slope Tension (T3) = = Sag Tension (T4) =
Ton/hours
f Lo
Friction Factor (f) 0.03 49
Density Table TABEL 1 TABEL 2
Slope, Radiant 0.104877 6.1 Degree
K Value
= Area (A) x Material Density x Belt Speed (m/min) Sq.m T/cum
W
65 m/min
Weight of moving parts without material carried 154
o move emp y e
=
ower o move r pper
5.85 kW Power required to move load on level (kW) f x Q (L + Lo) 367 1.17 kW Power to Lift load (kW) HxQ ( + ) value for ascent conveyor 367 ( - ) value for descent conveyor 1.64 kW
6120 x P V
= Slack Side Tension (T2) = F2 =
m m m m/min
120 Ton/hours
= P2
mm
815.38 kg Te x 1/e (Driving Coeffecient Factor)
P
= = =
Total Power P1 + P2 + P3 + Pt 8.66 kW
Choice
=
12.99 kW 22.00 kW
FRICTION FACTOR 0.2
WEIGHT OF ROTATING PARTS OFCARRIER Wc = 13.9 kg/set
DRIVING COEFFECIENT FACTOR 1.14
WEIGHT OF ROTATING PARTS OF RETURN ROLLER Wr = 12.2 kg/set TABEL
BELT WEIGHT STANDART (W1) 23 kg/m
WEIGHT OF MATERIAL PER METER LOADED ON CONVEYOR Wm = Qt 0.06 x V
929.54 kg W1 ( H +/- f x L ) 163.3 kg 50/8 x Lr x W1
RETURN IDLER SPACING (Lr) 3 m
F4 =
Safety factor 1.5 Safety factor 2.55
=
30.77 kg/m
431.25 kg CARRY IDLER SPACING (Lc) 1 m
Counter Weight Calculation (Wt)
~ ~
2 x T2 2 x T4
= =
1859.08 kg 862.5 kg
Choise the Larger Tension
MINIMUM TENSION OF CARRIER SIDE F4c = 12.5 Lc ( Wm + W1 ) =
Safety factor (SF) = Maximum Tension (FM) ~ or or or
7 1505.87 1696.25 1744.92 862.50
Choice Bigest Tension =
5 ~ 10 kg kg kg kg
= = = =
Fp + F4c - Fr Fp + F4r - Fr Fp + F2 Fp + F4r
MINIMUM TENSION OF RETURN SIDE F4r = 12.5 Lr . W1 =
Fr
=
= = CHOICE
862.50 kg
1505.87 kg
Belt Width (BW) = Number of ply (n) = Breaking Strength of tension layer
672.12 kg
120 cm 4 nos FM x SF BW x n 21.96056603 kg/cm.ply 87.8422641 kg/cm EP 400/3
