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Single Strand Top Roller Chain Conveyor and Motor Calculation

Input InformationConveyor & Product Input Constant & Factor InputWeight of each conveyed product Wp = 1200 kg/pc Chain speed coefficient = 1Length of 1 product contact with chain Lp = 1 m Coeficient of friction between chain and :Qty of product: ~ rail when transfering = 0.12

~ Full accumulation = 0 pcs ~ conveyed object when accumulating = 0.09~ Transferring during full accumulation = 0 pcs Motor Safety Factor = 1.50

Conveyor length (sprocket C-C) L = 2 m Mechanical Efficiency η = 0.85Motor load location factor = 1

Tentative Chain & Motor Selection Operation hour/day n1 = ~10 hrs/dayTentative selection of chain (model) = RF 2060TR No. of start-stop (times/hour) n2 = ~500 times/hr

(top roller type) = Steel Roller Degree of impact = 1.2(mfg) = Tsubaki

Chain pitch Dp = 38.1 mm Speed Information InputTop roller spacing = Type 1 Driving' sprocket pitch diameter Dp = 243.6 mmChain weight per meter M = 4.36 kg/m Drive chain (model) = RS80Max allowable chain tension = 640 kgf Drive sprocket teeth (PCD) S1 = 24 ( 194.6 mm)Max allowable load for chain roller Driven sprocket teeth (PCD) S2 = 20 ( 162.4 mm)

~ Conveying roller (top roller) = 30 kgf/roller Gearmotor ratio R = 87~ Base roller = 160 kgf/roller Motor RPM Z = 1450 rpm

Selected motor kW size P' = 2.20 kW

Output InformationConveying speed v = 15 m/minRequired motor power P = 0.02 kWProduct load acting on each roller = 45.72 kgf/roller UNSAFETranslation load T = 3.81 kgf SAFE

Selection CheckSelected motor model = CHHM3 - 6175 - 87 - B (Brake include/exclude refer to Quotation Spec) 2100TR

Calculated CatalogueG = - 0.0149

= 0.0000 -

= 0.00 ≤ 3 SAFEGearmotor frame size service factor SF = 1.45 ≤ 1.52 SAFEGearmotor allowable radial load = 12.13 ≤ 2890 kgf SAFE

Note / Sketches

Input Pg ____ / ____ Output Pg ____ / ____ Reference Pg ____ / ____ Calc. Pg ____ / ____

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.

K

f1f2

Fsm

Lf

fs

Ft

F1allowF2allow

WR (WR < Max allowable load per roller)(T < Max allowable chain tension)

Moment of Inertia (GD2) of motor kgfm2

Total system moment of Inertia (GD2) as seen from the motor shaft

Gli kgfm2

Ratio of Moment of Inertia (ratio GD2)**

Pr

2 x Dp

Type 2

Dp

Type 1

Revision No: Revision Date: Doc. No:

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Date Reason Date Reason

12/30/1899 0

CalculationLoad CalculationConveyor length L = 2 mWeight of conveyed product = 1200 kg/pcLength of each product in contact with chain = 1 mConveying product load per meter = 1200 kgf/mQty of conveyed product during full accumulation = 0 pcsTotal length of products in accumulation portion =

= 0 mWeight of conveyed object at accumulation portion =

= 0 kgQty of conveyed product transfering = 0 pcsTotal length of product transfering portion = L - Lp2

2 mWeight of conveyed object at transfering portion =

0 kg

Chain Tension & Translation Load CalculationTentative selection of chain size = 2060TRMax allowable chain tension = 640 kgfMax roller allowable load for conveying roller = 30 kgf/rollerMax roller allowable load for base roller = 160 kgf/rollerCritical max roller allowable load = 30 kgf/roller (lowest roller allow load)Chain pitch Dp = 38.1 mmTop roller spacing = Type 1Chain weight per meter M = 4.36 kgf/mTotal chain weight = 2.1 x M x L

= 20.14 kgChain weight in accumulation portion =

= 0 kgChain weight in transfering portion =

= 9.59 kgCoefficient of friction between:

chain and rail when transfering f1 = 0.12chain and conveyed object when accumulating f2 = 0.09

Chain speed coefficient K = 1Product load acting on each roller =

= 45.72 kgf/rollerMaximum static load applied (for 2 strands) =

= 3.81 kgfTranslation load T = Tc x K

= 3.81 kgf/strand= UNSAFE

T < Max allowable chain tension = SAFE

Input Pg ____ / ____ Output Pg ____ / ____ Reference Pg ____ / ____ Calc. Pg ____ / ____

WP

LP

WP/m

NP2

LP2 NP2 x Lp

WP2 NP2 x Wp

NP1

LP1

WP1 NP1 x Wp

F1allow

F2allow

WC

WC2 M x LP2 x L

WC1 M x LP1 x L

WR WP/m /Dp

TC (((WP1+ WC1) x f1) + (WP2 x f2) + ((WP2+ WC2) x f1) + (1.1 x WC x f1))

*WR < Max allowable load per roller &

Power CalculationProduct conveying speed v = 15.3 m/minMechanical Efficiency h = 0.85Motor Safety Factor Fsm = 1.5Required motor power P = ( 6120 = 1000 x 60 / 9.81 ) = 0.02 kWSelected motor kW size P' = 2.2 kWDesign kW safe? = SAFE

Motor Selection CalculationDriving' sprocket pitch diameter Dp = 243.55Drive sprocket teeth (PCD) S1 = 24 ( 194.6 mm )Driven sprocket teeth (PCD) S2 = 20 ( 162.37 mm )Gearmotor ratio R = 87Motor RPM Z = 1450Actual translation torque = (975 x P x R) / Z

= 0.98 kgfm== 0.0000

Moment of Inertia (GD2) of motor G = 0.0149Ratio of Moment of Inertia (ratio GD2)** =

= 0.00 ≤ 3Motor Moment of Inertia safe? = SAFENo. of start-stop (times/hour) n2 = ~500Load location factor Lf = 1Degree of impact fs = 1.2Equivalent radial load =

= 12.13 kgfmGearmotor allowable radial load Pr = 2890Radial load safe? = SAFE

Input Pg ____ / ____ Output Pg ____ / ____ Reference Pg ____ / ____ Calc. Pg ____ / ____

( T x v x Fsm) / ( 6120 x h )

Tli

Total system moment of Inertia (GD2) as seen from the motor shaft

Gli (W x v2) / (p2 x Z2)kgfm2

kgfm2

RGD Gli / G

Pri (Tli / S1) x Lf x fs

Table 1Maximum Allowable Chain Tension (units in kgf)Chain type Type of base roller 2060TR 2080TR 2100TRTsubaki Steel roller 640 1090 1740DongBo 660 1150 1900

Table 2 Table 3 Table 4Maximum Allowable Top Roller Load Maximum Allowable Base Roller Load Speed Coefficient, KChain Size Top roller (kgf/roller) Chain Size Steel Chain speed (m/min) K

Plastic Steel R roller below 15 1

2060TR 10 30 2060TR 160 15 - 30 1.2

2080TR 18 55 2080TR 270 30 - 50 1.4

2100TR 30 85 2100TR 400 50 - 70 1.6

Table 5Coefficient of friction between chain and rail when conveying, f1Chain type Type of base roller Dry LubricatedTop Roller Chain Steel Roller R roller 0.12 0.08

Table 6Coefficient of friction between conveying goods and chain when accumulating, f2Chain type Type of roller on base chain Dry LubricatedTop Roller Chain Plastic top roller 0.06

Steel top roller 0.09 0.06

Table 7Load factor , FdNo. starts/stops ~3 hours/day ~10 hours/day 24 hours/day(Times/hour) U M H U M H U M H

~ 10 0.80 1.00 1.20 1.00 1.10 1.35 1.20 1.25 1.50~ 200 0.85 1.10 1.30 1.10 1.30 1.50 1.25 1.50 1.65~ 500 0.90 1.20 1.40 1.15 1.45 1.60 1.30 1.60 1.75

Load factor UMH

Table 8 Table 9Degree of impact Chain approx weight (unit in kgf/m)Condition fs Chain Size Base roller Top rollerAlmost none 1 S roller R roller S roller R rollerSlight 2060TR 3.68 4.36 2.77 3.46Great 2080TR 5.65 6.76 4.29 5.40

2100TR 9.11 11.37 6.51 8.77

Table 10Load location factor

Frame Size Load Location L (mm)Single Reduction Double Reduction ~ 5 10 15 20 25 30 35 40 45 50 60 70 80 90 100

607 SK - 0.83 0.92 1.00 1.08 1.17 1.25608 SK - 0.83 0.90 0.97 1.03 1.10 1.17 1.24609 SK - 0.87 0.92 0.97 1.03 1.08 1.13 1.19610 SK - 0.87 0.92 0.97 1.03 1.08 1.13 1.19611 SK - 0.83 0.88 0.93 0.98 1.02 1.07 1.12 1.17 1.22606 606 DA 0.83 0.94 1.19 1.56607 607 DA 0.82 0.91 1.00 1.29 1.59 1.88608 - 0.81 0.87 0.94 1.03 1.28 1.54 1.80609 609 DA 0.86 0.92 0.97 1.13 1.38 1.64 1.90610 610 DA 0.86 0.92 0.97 1.13 1.38 1.64 1.90611 - 0.78 0.84 0.90 0.96 1.02 1.08 1.19 1.36 1.53

612612 DA

0.82 0.87 0.92 0.97 1.08 1.25 1.42 1.59 1.76612 DB

613613 DA

0.83 0.87 0.92 0.96 1.00 1.13 1.25 1.38 1.63 1.88613 DB613 DC

614614 DA

0.66 0.73 0.80 0.87 0.93 1.00 1.10 1.30 1.50 1.70 1.90614 DB614 DC

616616 DA

0.83 0.87 0.90 0.93 0.97 1.00 1.11 1.32 1.53 1.75 1.96616 DB616 DC

617617 DA

0.86 0.89 0.92 0.94 0.97 1.00 1.11 1.32 1.53 1.75 1.96617 DB617 DC

618618 DA

0.85 0.87 0.90 0.93 0.95 0.98 1.09 1.26 1.43 1.60 1.78618 DB

619619 DA

0.85 0.87 0.89 0.91 0.93 0.97 1.04 1.18 1.32 1.46619 DB

-

Allowable ratio of Moment of Inertia (GD2) ≤ 0.3Allowable ratio of Moment of Inertia (GD2) ≤ 3Allowable ratio of Moment of Inertia (GD2) ≤ 10

1.0 ~ 1.21.4 ~ 1.6

- - - - - - - - -- - - - - - - -- - - - - - - -- - - - - - - -

- - - - - -- - - - - - - - - - -

- - - - - - - - -- - - - - - - -- - - - - - - -- - - - - - - -

- - - - - -

- - - - - -

- - - - -

- - - -

- - - -

- - - -

- - - -

- - - - -

Pr

Lo

L