Re: [CAD_CAM_EDM_DRO] need motor for CNC (sherline)

Sounds like your stepper motor is too small. Check out Dan Mauch site. He
should be able to get you a beefy double shafted motor.

Paul
-----Original Message-----
From: Walt & Craig Smith <fom@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Tuesday, July 11, 2000 9:21 AM
Subject: [CAD_CAM_EDM_DRO] need motor for CNC (sherline)

>I have a sherline CNC set up from Backtrack. The Z axis motor is
>shot
>(works with no load but just sits there "buzzing" when hocked up to
>the mill). I have pulled the motor off the lathe and it works in its
>place--so I think its a good bet that there is something wrong with
>the motor. This is the second motor I have had and Backtrack charged
>me over $160 for it.
>
>Now I see a LOT of fokes talking about a LOT of different motors--
>and
>I don't understand much of it. So while I'm sure every thing I ever
>needed to kow is barried in other posts, can someone suggest what I
>need and where to get it?
>
>The motors I have have a mount that has holes spaced about 1 13/16
>apart and a 1/4" shaft on both ends. the markings on the motor are-
>Mycom ps468-21B 5,4V 1,5A #9845 1.8 deg step and it has a 5
>pin
>DIN male conector.
>
>I would like to possibly get something a little stronger as I have
>constanly screwed up parts when deep into the program the the G00
>command dosen't lift the head (just sits and buzzes) and then the
>move
>command ends up feeding the tool into the part for a cut I don't want.
>
>Thanks!
>
>Craig
>
>
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