Mario. wrote: >If power rating for the slow motion would be ~10W or so, a big, fast >microstepper stepper motor, like the Shinano Kenshi SKC83D I use could >do the job. With 250 microsteps per electrical phase I get 12500 >microsteps per revolution, what can get you really fluent motion. > >But that is the system of things I like to use, your conditions may vary. > > > Of course conditions will vary. The machine in question is a big servo-controlled milling machine, and axis speeds of several hundred IPM are planned. The OP was asking what the minimum speeds might be without motion breaking down into discrete steps. If ONLY such low speeds were being planned, a huge servo would not make sense.
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