Worm Gear Calculator

Calculate cylindrical worm drive geometry parameters.

Parameters

Module m

mm

Worm Starts Z₁

Wheel Teeth Z₂

Diameter Factor q

Profile Shift ξ

Drive

Ratio i
-

Center Distance A
- mm

Lead Angle λ

-°

Worm

Pitch Dia d₁

- mm

Tip Dia da₁

- mm

Root Dia df₁

- mm

Axial Pitch P

- mm

Lead Pz

- mm

Wheel

Pitch Dia d₂

- mm

Tip Dia da₂

- mm

Root Dia df₂

- mm