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Revision No:
Q-Code M/c Name Conv. Code
: : :
Date
Reason
Revision Date:
Doc. No:
Prepare By/Dept : : Date : Checked By Date
/
Reason
Single Strand Top Roller Chain Conveyor and Motor Calculation
This sheet is an estimation calculation of load and chain tension on the conveyor. Calculation also provided the required motor power (Sumitomo cyclo drive). Calculations are based on single strands drive chain and free roller on other side.
Input Information Conveyor & Product Input Weight of each conveyed product Wp Length of 1 product contact with chain Lp Qty of product: ~ Full accumulation ~ Transferring during full accumulation Conveyor length (sprocket C-C) L Tentative Chain & Motor Selection Tentative selection of chain (model) (top roller type) (mfg) Chain pitch Dp Top roller spacing Chain weight per meter M Max allowable chain tension Ft Max allowable load for chain roller F1allow ~ Conveying roller (top roller) F2allow ~ Base roller Selected motor kW size P'
= = = = =
= = = = = = = = = =
Output Information Conveying speed Required motor power Product load acting on each roller Translation load
v P WR T
= = = =
1200 kg/pc 1m 0 pcs 0 pcs 2m
RF 2060TR Steel Roller Tsubaki 38.1 mm Type 1 4.36 kg/m 640 kgf 30 kgf/roller 160 kgf/roller 2.20 kW
15 0.02 45.72 3.81
m/min kW kgf/roller kgf
Constant & Factor Input Chain speed coefficient K Coeficient of friction between chain and : ~ rail when transfering f1 ~ conveyed object when accumulating f2 Fsm Motor Safety Factor Mechanical Efficiency η Motor load location factor Lf Operation hour/day n1 No. of start-stop (times/hour) n2 Degree of impact fs
= = = = = = = =
Speed Information Input Driving' sprocket pitch diameter Drive chain Drive sprocket teeth (PCD) Driven sprocket teeth (PCD) Gearmotor ratio Motor RPM
(WR < Max allowable load per roller) (T < Max allowable chain tension)
Selection Check Selected motor model
CHHM3 Calculated G = Gli = 0.0000 =
Moment of Inertia (GD2) of motor Total system moment of Inertia (GD2) as seen from the motor shaft = Ratio of Moment of Inertia (ratio GD2)** Gearmotor frame size service factor SF = Pr = Gearmotor allowable radial load
0.00 1.45 12.13
-
≤ ≤ ≤
6175 - 87 - B (Brake include/exclude refer to Quotation Spec) Catalogue 0.0149 kgfm2 kgfm2 3 1.52 2890
kgf
SAFE SAFE SAFE
Note / Sketches Dp
Type 1 2 x Dp
Type 2
Input Pg ____ / ____
Output Pg ____ / ____
Reference Pg ____ / ____
Calc. Pg ____ / ____
Revision No:
Q-Code M/c Name Conv. Code
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Date
Reason
1/0/1900
Revision Date:
Doc. No:
Prepare By/Dept : : Date : Checked By
0 0 0 Date
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0
Calculation Load Calculation Conveyor length Weight of conveyed product Length of each product in contact with chain Conveying product load per meter Qty of conveyed product during full accumulation Total length of products in accumulation portion
L WP LP WP/m NP2 LP2
Weight of conveyed object at accumulation portion
WP2
Qty of conveyed product transfering Total length of product transfering portion
NP1 LP1
Weight of conveyed object at transfering portion
WP1
Chain Tension & Translation Load Calculation Tentative selection of chain size Max allowable chain tension Max roller allowable load for conveying roller Max roller allowable load for base roller Critical max roller allowable load Chain pitch Top roller spacing Chain weight per meter Total chain weight Chain weight in accumulation portion Chain weight in transfering portion Coefficient of friction between: chain and rail when transfering chain and conveyed object when accumulating Chain speed coefficient Product load acting on each roller Maximum static load applied (for 2 strands) Translation load *WR < Max allowable load per roller & T < Max allowable chain tension
Input Pg ____ / ____
2 = 1200 = 1 = 1200 = 0 = = NP2 x Lp 0 = = NP2 x Wp 0 = 0 = = L - Lp2 2 = NP1 x Wp 0
= 2060TR 640 = F1allow = 30 F2allow = 160 30 = 38.1 Dp = = Type 1 4.36 M = WC = 2.1 x M x L 20.14 = WC2 = M x LP2 x L 0 = WC1 = M x LP1 x L 9.59 = f1 f2 K WR
= = = = = TC = = T = = = =
Output Pg ____ / ____
m kg/pc m kgf/m pcs m kg pcs m kg
kgf kgf/roller kgf/roller kgf/roller mm
(lowest roller allow load)
kgf/m kg kg kg
0.12 0.09 1 WP/m /Dp 45.72 kgf/roller (((WP1+ WC1) x f1) + (WP2 x f2) + ((WP2+ WC2) x f1) + (1.1 x WC x f1)) 3.81 kgf Tc x K 3.81 kgf/strand UNSAFE SAFE
Reference Pg ____ / ____
Calc. Pg ____ / ____
Power Calculation Product conveying speed Mechanical Efficiency Motor Safety Factor Required motor power ( 6120 = 1000 x 60 / 9.81 ) Selected motor kW size Design kW safe? Motor Selection Calculation Driving' sprocket pitch diameter Drive sprocket teeth (PCD) Driven sprocket teeth (PCD) Gearmotor ratio Motor RPM Actual translation torque
15.3 = m/min 0.85 = 1.5 = = ( T x v x Fsm) / ( 6120 x h ) 0.02 = kW 2.2 P' = kW = SAFE
v h Fsm P
Dp S1 S2 R Z Tli
Total system moment of Inertia (GD2) as seen from the Gli motor shaft Moment of Inertia (GD2) of motor G RGD Ratio of Moment of Inertia (ratio GD2)** Motor Moment of Inertia safe? No. of start-stop (times/hour) Load location factor Degree of impact Equivalent radial load Gearmotor allowable radial load Radial load safe?
Input Pg ____ / ____
n2 Lf fs Pri Pr
Output Pg ____ / ____
= = = = = = = = = = = = = = = = = = = =
243.55 24 ( 194.6 mm ) 20 ( 162.4 mm ) 87 1450 (975 x P x R) / Z 0.98 kgfm (W x v2) / (p2 x Z2) 0.0000 kgfm2 0.0149 kgfm2 Gli / G 0.00 3 ≤ SAFE ~500 1 1.2 (Tli / S1) x Lf x fs 12.13 kgfm 2890 SAFE
Reference Pg ____ / ____
Calc. Pg ____ / ____
Table 1 Maximum Allowable Chain Tension (units in kgf) Chain type Type of base roller 2060TR Tsubaki Steel roller 640 DongBo 660
2080TR 1090 1150
Table 2 Maximum Allowable Top Roller Load Top roller (kgf/roller) Chain Size Plastic Steel 2060TR 10 30 2080TR 18 55 2100TR 30 85
Table 3 Maximum Allowable Base Roller Load Steel Chain Size R roller 2060TR 160 2080TR 270 2100TR 400
Table 5 Coefficient of friction between chain and rail when conveying, f1 Chain type Type of base roller Dry Top Roller Chain Steel Roller R roller 0.12
Table 6 Coefficient of friction between conveying goods and chain when accumulating, f2 Chain type Type of roller on base chain Dry Lubricated Top Roller Chain Plastic top roller 0.06 Steel top roller 0.09 0.06 Table 7 Load factor , Fd No. starts/stops (Times/hour) ~ 10 ~ 200 ~ 500 Load factor
Table 8 Degree of impact Condition Almost none Slight Great
~3 hours/day ~10 hours/day 24 hours/day U M H U M H U M H 0.80 1.00 1.20 1.00 1.10 1.35 1.20 1.25 1.50 0.85 1.10 1.30 1.10 1.30 1.50 1.25 1.50 1.65 0.90 1.20 1.40 1.15 1.45 1.60 1.30 1.60 1.75 U Allowable ratio of Moment of Inertia (GD2) ≤ 0.3 M Allowable ratio of Moment of Inertia (GD2) ≤ 3 H Allowable ratio of Moment of Inertia (GD2) ≤ 10 Table 9 Chain approx weight (unit in kgf/m) Base roller Top roller Chain Size S roller R roller S roller R roller 2060TR 3.68 4.36 2.77 3.46 2080TR 5.65 6.76 4.29 5.40 2100TR 9.11 11.37 6.51 8.77
fs 1 1.0 ~ 1.2 1.4 ~ 1.6
Table 10 Load location factor Frame Size Single Reduction Double Reduction 607 SK 608 SK 609 SK 610 SK 611 SK 606 606 DA 607 607 DA 608 609 609 DA 610 610 DA 611 612 DA 612 612 DB 613 DA 613 613 DB 613 DC 614 DA 614 614 DB 614 DC 616 DA 616 616 DB 616 DC 617 DA 617 617 DB 617 DC 618 DA 618 618 DB 619 DA 619 619 DB
