What's going on in your shop? Show us whats going on, and talk a bit about your work!

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well...another machine issue. The motor on my grinder is stuttering. I turn on the VFD and the motor has difficulty starting then only spins for a moment, stops, tries again, stops etcetra. is this a motor issue or a vfd issue?
 
well...another machine issue. The motor on my grinder is stuttering. I turn on the VFD and the motor has difficulty starting then only spins for a moment, stops, tries again, stops etcetra. is this a motor issue or a vfd issue?

Id first check wiring connection?
Vibration can loosen them up.
 
and...that did it! Back up and running.

Vfd's will get confused with inconsistenties

Motors usually fail, it's bearings, crunchy, chunky, loud, metal wearing away failure.

Glad I could help...lol (I didn't Do anything) :D

Make sure your terminals are good and tight now
 
On that one I used a 10 inch wheel. I usually use a 21" radius platen.

Masochist is right, but I found that diamond film and EDM stones help.
 
oh man, so happy to have gotten this done over the weekend! The most anxiety provoking process for me is installing handles- at least when it comes to these kinds of complicated handles.
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