Belt Drive - Motor/Motion Calculator -

Belt Drive → Motor Requirements

Live calculator • aligned fields • lead submit

Inputs

Load

lbf

Move distance

Incline angle

deg

Friction coefficient (μ)

—

Belt efficiency

Pulley pitch diameter

Optional: Pulley inertia

lbm·in²

Axis moving mass

lbm

Gearbox ratio (N:1)motor:pulley

Gearbox efficiency

Accel time

Traverse time

Decel time

Optional: Motor inertia (for ratio)

lbm·in²

Linear travel per revolution = π·D. Ratio N:1 → motor turns N rev for each pulley rev.

Your name

Your email

Company

Notes / application

Outputs (auto-update)

Peak motor speed

—

Peak linear speed

—

in/s

Peak torque @ motor

—

Traverse torque @ motor

—

RMS torque (cycle)

—

Cycle time

—

Forces (G + Friction)

—

lbf

Accel force

—

lbf

Reflected load inertia (pulley)

—

lbm·in²

Pulley inertia

—

lbm·in² (opt.)

Inertia ratio (load : motor)

—

Enter motor inertia to compute

Duty cycle

—

Torque at motor includes belt + gearbox efficiency. For translating mass, J = m·r² (v = ωr equivalence).