Dual defined servo

[tpsimer]

I have a special application for a EDM machine. I have to spin both my part and the spindle and I need a separate drive to run the part. I am hoping to use a servo motor with one of the programmable miscellaneous functions. One of the m codes would be spindle on all the time . One m code would be spindle off. One m code would be index 45°. Is this possible to do and what kind of drive would I need

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[joeavaerage]

Hi,
most modern AC servos excluding the cheap Chinese entry level types, offer combined control modes. Thus you could have analogue velocity control
for normal spindle use and as a second control mode an indexing table.

I am most familiar with Delta servos, a Taiwanese brand made in China, good quality at a fair price, and Delta servos certainly offer mixed control modes.

Craig

[tpsimer]

So since I can use the motor for both applications which would be better. Usi g a servo or a stepper. This is an industrial application and 100 percent duty but just spinning some shafts in a bearing. There is no force because the electrodes never touch the work.