Re: [CAD_CAM_EDM_DRO] SEM servo motor

You are right, Jon, I will have to rethink this a tad.

Thanks, Tony

----- Original Message -----
From: "Jon Elson" <elson@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, January 01, 2004 10:14 PM
Subject: Re: [CAD_CAM_EDM_DRO] SEM servo motor


>
>
> antson20022 wrote:
>
> > I have some brand new SEM servo motors that I got on e-bay. P/N is
> >MT30H4-44. There is a tach in the back end where I want to put an
> >encoder. The problem is getting the tack out. It appears that the
> >outside permenant magnets are pressed or glued or something in place.
> >I made a puller but the screws pulled out. THEN I have to get the
> >armature off, which is going to be a real bugger. Has anyone had any
> >experiance getting these out. I was told they would just "pop"
> >out...........NOT! Any help would be greatly appricated.
> >
> >
> Why are you destroying these motors? Are you going to use it
> with direct drive to your leadscrew? If you drive the screws with
> a belt drive, you can select the most desirable ratio, you avoid pumping
> high torque through delicate shaft couplings, and you can put the
> encoder on the end of the leadscrew.
>
> Jon
>
>
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