Re: [CAD_CAM_EDM_DRO] Questions

Thank you,
the first think comes in mind is a treadmill motor.
But isn't rated RPM ( over 3000 at 90V) to high for a servo application?
Should I use a reducer in this case?
Or it will be OK as is?
Alex

----- Original Message -----
From: Larry Edington <ledington@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, December 16, 2002 10:05 PM
Subject: Re: [CAD_CAM_EDM_DRO] Questions


>
> > Larry,
> > what is a source for PM DC motors?
> > Alex
>
> Surplus dealers, Ebay or even new. If you compare
> buying a brushed DC motor and the cost of adding an encoder,
> you can often do that cheaper than buying a "brushed servo motor".
>
> PM is permenant magnet by the way. So what you are looking for
> are nice strong DC motors with brushes and magnets instead of
> field windings.
>
> later,
> Larry E.
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>