Thread: How do you slow down an electric motor?

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the sanding disc they call them PSA like DA sand paper but with a stonger backing the metal backer did not blow up the paper lost the hook up on the face plate .so i got a close up look at it as it hit me. i have 4 machine that run a frequency drive one 3 phase AC and one DC .the dc just seams to work better for me and small feed motors for cutting speed on the mills .i wish my AC motor work as good as my DC but will not.i know some things about this stuff. just enough to get in trouble