1942 3 Phase 440 Motor?

[Milan454]

Is anyone using this monster for powering their lathe with a VFD? Seems sketchy. I can amost smell the ozone!!

 

[craptain]

Personally I wouldn't. The older motors don't work too well with the waveform from a vfd.

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[mksj]

Maybe some context as to what you want to do. Bigger issue is 440V would require a step up transformer, then VFD and then A dV/dT filter before the motor. Better and cheaper to replace the motor if plan to run off of 240vac.

 

[Milan454]

Any idea on whay type motor would replace this unit? Seems like there are many to choose from. I will be turning some brass as well as 3" chromoly tube.

 

[craptain]

First you have to find something that physically fits the machine you have, preferably without making adapter mounting brackets or such. But beyond that you have a lot of options. From the rating, and based on what you want to do a 2 or 3 hp will probably work.

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[Don T]

Try this Facebook group. They might be able to help you hook up the Crocker Wheeler.

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