Re: [CAD_CAM_EDM_DRO] Microkinetics

----- Original Message -----
From: <bjammin@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, July 02, 2002 7:07 PM
Subject: [CAD_CAM_EDM_DRO] Microkinetics


> At 11:26 PM 7/2/02 -0400, you wrote:
> >I had endless trouble with their hardware too. My Driverack was so badly
> >wired it lost its smoke twice. I have rewired it and it works ok now.
>
> I haven't had any problems with motor drivers, except smoke got out of a
> output chip once. They repaired it on warrenty even though it was probably
> out of date. Even sent me a loaner card. The cards BTW are made by Applied
> Motion somewhere in CA, not themselves a Micro product.
>
> >had to send two of the three motors back due to bearing problems.
>
> How do you have a bearing problem in a properly mounted stepper or servo?
> Not knocking anyone here but this sounds like bad mounting or summat that
> puts on extra load. Mine will break cable-belts and shift things about
that
> are bolted down hard, but have had no bearing troubles.
>
> >service is admittedly good but gecko has better amps for a third of the
> >price.
>
> Tell me more: how much.
>
> > The MK microstepping amps are a nice design but the current setback
> >is proportional and doesn't match up to big motors very well.
>
> How big? I'm running 450 and 600 oz in on mine. They are a bit on slow
> side, but then they need more than 3.5 amps to run really fast.
>
> Regards, Hoyt
>
>
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