Surface Grinder motor replacement?

Joined
Dec 20, 2005
Messages
2,045
Hi,

I have an old Boyar Schultz 612 surface grinder that is equipped with a 1/2 HP, 3450 RPM, 3 phase motor. It's equipped with the optional pulley drive, so I shouldn't have balance issues (I believe most were direct drive at the time).

I would like to replace it with a single phase, 220V, 1 HP motor. However, I need the distance from the end of the spindle to the body to be at least 3.25". Here's the original setup:

P1010315.jpg


A direct retrofit with a single phase motor would be ideal, two bolts are used to secure the motor to the mount.

Does anyone know what kind of motor frame/ type of motor I should be looking for?

If all else fails, I guess I could just use a TEFC motor with a custom mount and have a new spindle machined for the grinder. (I plan on converting it to use 2 x 72 belts down the road).

Thanks. :thumbup:
 
Last edited:
I would just get a 56 frame , cradle mount motor and make a band/strap to fit the existing mount . If all else fails you could find a way to mount the cradle .
 
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