ac servo

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06 Jun 2020 05:46 #170314 by ununezta
ac servo was created by ununezta
Hi guys, new member here with probably a stupid question you had seen a lot,

I'm trying to convert an old lathe to cnc and one of my biggest issue issue is, what would be a good ac servo to control the spindle?, or should I just buy an encoder and VFD to use the current motor the lathe have.

For the rest I think I have it covered but my budget is limited.

Thanks and regards.

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06 Jun 2020 08:46 #170323 by tommylight
Replied by tommylight on topic ac servo
If you can mount an encoder to the motor or spindle, a VFD would do the job nicely, but, is it a 3 phase motor ?

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06 Jun 2020 14:12 #170367 by ununezta
Replied by ununezta on topic ac servo
Thanks for your response, and yes it is a 3 phase motor, and I think I have 110v ac motor to replace in case to need it.

One concern I have is the threading part (which the encoder would solve it) but also in case I want to adapt the mill, the encoder and VFD would be still a good approach?.

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