Dual Stage Rack & Conveyor

Symbol

Description

Units

JDM

Inertia of drive mechanism

kg-m2

TDM

Torque of drive mechanism

Nm

aDM

Rotational acceleration

rad/s2

h1

Efficiency of stage 1 pinion transmission

 

h2

Efficiency of stage 2 belt transmission

 

q

Incline angle above horizontal

o

m1

Friction coefficient for stage 1

 

m2

Friction coefficient for stage 2

 

g

Acceleration due to gravity = 9.81

m/s2

mLoad

Mass of load + payload

kg

mCB

Mass of counterbalance

kg

mBelt

Mass of belt

kg

mRack

Mass of rack

kg

mStage2

Mass of stage 2

kg

mIP1

Mass of idler pulley 1

kg

mIP2

Mass of idler pulley 2

kg

JP

Inertia of pinion

kg-m2

JIP1

Inertia of idler pulley 1

kg-m2

JIP2

Inertia of idler pulley 2

kg-m2

rP

Radius of pinion

m

rIP1

Radius of idler pulley 1

m

rIP2

Radius of idler pulley 2

m

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