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Variable frequency drive (VFD) use with lathes

Hello and thanks for all the material you posters put up for us lurkers.

This is the good part: I just purchased a Powermatic 90 with a 1hp 3 phase motor with almost all the accessories in the 1966 catalog including the outboard freestanding tool rest for $125.

This is the not so good part, I only have 220 single phase in my shop. It has been suggested that I not buy a new motor but use a VFD. I would like to know what the group's experience is, good or bad with this type of set up.

Part II

I have seen reference to risers for the head/tail stock to take it to a 20" swing, it is 12" now. They would be used with a banjo from a 20" lathe. Any leads on a supplier, things to watch out for or suggestions ?

Thanks in advance,

Gerald

The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing."

Albert Einstein

Reply to
GDStutts
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Just wondering, since you have the outboard turning stand, why raise the lathe?

mac

Please remove splinters before emailing

Reply to
mac davis

Sometimes its just better to use the tailstock on the big stuff.

Here is the website of a guy that built his own riser for an older Powermatic lathe.

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This page shows the design of such a riser block and the matching tailstock riser.
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If you did a more extensive internet search you might find a riser block set for sale or maybe someone that will build you one.

Ted J thelatentlog.com

Reply to
Ted

I'd worry about increasing the throw from 12 to 20 inches - the increase in loads is very significant - I have a larger lathe that can turn over 40 inches between centers - it is a LOT heavier than a 12 inch lathe - you are probably putting your body at some risk from flying pieces.

Reply to
Bill Noble

Reply to
Paul Gilbert

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