Re: [CAD_CAM_EDM_DRO] Re: Surplus DC Motors

Maybe you can use a chain coupling on the shaft, then drive a belt from
that.

Here's a coupling;
http://mdmetric.com/prod/kana/coupling_ch_cplg1.htm

But I suppose there's too much backlash for servo use.

Roland



2009/5/12 roboticscnc <gsm42@...>

>
>
> I have used similar motors to this before. They are obviously a lot more
> coggy than a servo but are cheap. One of the problems is that it's not
> really practical to use the sprocket as the chain noise is unbearable,
> and the shaft is usually too short to drive anything else. The sprocket
> is also designed to never come off on the ones I've used.
> Regards,
> Glen.
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com <CAD_CAM_EDM_DRO%40yahoogroups.com>,
> kabowers@... wrote:
> >
> > I was looking at the allelectonics WEB site and see they have gotten
> > some scooter motors that might be useful for CNC. Last time I looked
> > at the Surplus Center page they weren't overly supplied with treadmill
> > motors.
> >
> > I was looking for something to replace the 3/4 HP 3-phase AC motor on
> > the knee of my Tree mill with an eye to control via Mach3. Might also
> > replace the 100V DC motors on the X and Y axis as it's much easier to
> > find drivers for lower voltage motors.
> >
> > Would this 24V 650W motor be a possibility?
> >
> href="http://www.allelectronics.com/make-a-store/item/DCM-2465/24VDC-650\
> W-MOTOR-11T-SPROCKET/1.html
>
> <http://www.allelectronics.com/make-a-store/item/DCM-2465/24VDC-650W-MOTOR-11T-SPROCKET/1.html>
> "
> >
> > Here's a pointer to the other motors they list:
> >
> href="http://www.allelectronics.com/make-a-store/category/400200/Motors/\
> DC-Motors/2.html<http://www.allelectronics.com/make-a-store/category/400200/Motors/DC-Motors/2.html>
> "
> >
>
>
>

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