Grinder Belt Speed Calculator
Select the Power Frequency:
Select the number of Motor Poles:
Select the Motor Slip:
Sheave 1 Diameter (Motor):
Sheave 2 Diameter:
Drive Wheel Diameter:

PLEASE MAKE SELECTIONS ABOVE

TO COMPUTE MOTOR AND BELT SPEEDS

Notes:

In North America, Power Frequency is 60 Hz; Europe/Asia 50 Hz*. For VFDs you can choose any selection between 30 and 120 Hz.

Motor slip varies with motor type and loading. Use 3% if you are unsure.

If using a direct drive wheel, leave Sheaves 1 and 2 the same diameter. (Ratio of 1:1)

Looking for a great VFD and motor set for your DIY 2x72" Belt Grinder?

Dealers Industrial Motors and VFDs

© 2017 D. Comeau Custom Knives* Generally but not in all areas.