Re: [CAD_CAM_EDM_DRO] 8" Floppy Drive Motor question

In a message dated 16-Jul-01 20:01:16 Central Daylight Time,
cadcamcenter@... writes:

> Is the Unimat I (Unimat Classic) micro- enough?
>

Peter: No, in my opinion, you would need at least a MO-61 (one-stack,
size-23) stepper for each axis, for that. I had a "Classic" years ago, so I
have a "feel" for how much lead-screw load there was, cutting metal on that,
and how much torque it took to turn the handwheels (at least 25 oz-in, I'd
say. I wouldn't want smaller than 50 oz-in motors, if not 100 oz-in, for
that! Sorry, no clue how many N-cm, without doing the math!)

Jan Rowland



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