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 for your DIY 2x72" Belt Grinder?
© 2017 D. Comeau Custom Knives* Generally but not in all areas.