Possible motor for mill

[DavidR8]

This came up in my feed today.

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I’m considering it for my mill. But honestly at this point my understanding of using a VFD for a 3-ph motor is that I can spell VFD. And motor.

My goal is to have to fuss less with belts on the mill as I’ve discovered that it’s a real pain.

Currently my mill has a 1hp 1-ph 1740 rpm motor. Speeds range from ~200 rpm to ~2100 rpm.

Would I be making a mistake by picking one up?


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[ttabbal]

Looks like a decent motor to me. You may have to build an adapter for mill to mount it up. And perhaps something to adapt to the pulley.

I leave the belts alone most of the time, but do occasionally have to move them if I want large speed changes. Usually only for really large stuff like the spacer I recently modified.

I run from about 30hz-120hz. About 50-200% speed. I also have a back gear available that drops a lot of speed.

 

[DavidR8]

Thanks @ttabbal
I’ll see if the seller responds.

Any recommendations for a VFD? Did I spell that correctly?


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[Ulma Doctor]

the only thing that may be a problem is the voltage.
the motor runs on 575v 3phase

 

[DavidR8]

the only thing that may be a problem is the voltage.
the motor runs on 575v 3phase

What voltage should I be looking for?


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[markba633csi]

Plus if they are compressor motors the rpm might be higher than 1720

 

[Ulma Doctor]

i believe your low voltage should be 208, 230 or 240v- a 230v motor would suffice

575 is high voltage

 

[Ulma Doctor]

Plus if they are compressor motors the rpm might be higher than 1720

they are 1740 motors

 

[BrentH]

Best case David is 220 to 240 Volts three phase.

50/60 hz is all ok as you are using the VFD

 

[DavidR8]

Awesome! Thanks gents


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