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Author Topic: Question about spindle and RPM  (Read 74 times)

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Question about spindle and RPM
« on: March 17, 2021, 10:37:22 AM »
Hello

I have a 3.5kw chinese spindle, that says 18000 rpm on it. My question is, is it better to run it on that given 18000 or is it better to go with 16000 just to save the motor. What do you guys think (or know)?

Offline Graham Waterworth

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Re: Question about spindle and RPM
« Reply #1 on: March 17, 2021, 04:04:18 PM »
Spindle speed is determined by the tools used and the materials being cut not.
Without engineers the world stops
Re: Question about spindle and RPM
« Reply #2 on: March 18, 2021, 04:02:59 AM »
I use downcut two flute end mills, mainly cut plywood. I don't really play around with the spindle speed at all. I sometimes cut plexiglass aswell, when is it better to increase and when is it better to decrease RPM?