Re: [CAD_CAM_EDM_DRO] Phase order

Probably a double stack 8 lead bipolar motor.

Have found several of these in printers although they were 2X 6 lead. Never
seen a double stack with 16 leads but they can be built that way.

Hugh

----- Original Message -----
From: "Jon Elson" <elson@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, October 29, 2004 10:13 PM
Subject: Re: [CAD_CAM_EDM_DRO] Phase order


>
> kdoney_63021 wrote:
>
> >I have a batch of small motors (nema 17) with 16 leads. 8 Sets of 2.
> >Is there some way of finding out with a scope or other meter which
> >order these phases are in?
> >
> >
> SIXTEEN leads? Are you sure it is even a motor? Could it be a
> motor with encoder? That might begin to make more sense. I can
> imagine a differential encoder with index having 8 leads. Make it
> 11 if it also has commutation channels for a brushless drive.
> 3 more for a 3-phase brushless motor, any you only have 2 left
> to worry about. Possibly a frame ground, or a tachometer.
> You could hook a scope up and turn the motor. if you get slow sine
> waves out of it, those would be the motor windings.
>
> Jon
>
>
>
> 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@...,
timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
[Moderators]
> 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
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>