Recent content by futileresistance

Probably 160 - 230 microfarad. As far as taking it apart, photos and label everything. Bag and tag the screws and such. You will mess up, but that's how you learn. Get a 8" bearing puller. Have fun.

The inertia formula uses rotating mass. I calculate each grinding wheel at 21 lbs each. Since it is a 220v - 3 phase - 2hp motor... it should be about 1492 watts (746 x 2). I am going to use a 2.2kw braking resistor, which needs to stop that mass in 15 seconds. I don't want to toast the vfd in...

Unable to see much info on this. The wheels are 12" x 2" Whole thing probably weighs 350-500 lbs. It has a solid brass nameplate. Says Powermatic Heavy Duty Grinder McMinnville, TN. HP 2 RPM 1750 Can you tell me more motor specifics? Date of manufacture? I don't have 3 phase power, so I...