CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Re: wire in parallel or series

on 2002-09-05 11:31:09 UTC
well, that's what I thought, but you never know, at 300+ipm every little bit
helps..:)

Erie Patsellis
Shelbyville Design & Signworks
1309 W. S. 7th Street
Shelbyville, IL 62565
(217)774-4444
visit our website at www.shelbyvilledesign.com
----- Original Message -----
From: "mariss92705" <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, September 05, 2002 1:03 PM
Subject: [CAD_CAM_EDM_DRO] Re: wire in parallel or series


> Erie,
>
> There really is no reason to do that. The performance "hit" on half-
> winding vs. parallel is less than 2%. This is a near meaningless
> difference because it will be washed out or buried by other effects
> such as line voltage fluctuation.
>
> The nice thing about 6-wire motors is their no-brainer connection to
> a drive. Only one wire per phase as opposed to 2 for parallel and all
> it takes is an ohmmeter to tell half-winding apart from full winding
> when you have to puzzle-out a mystery motor. Witness the problems
> trying to do that with a mystery 8-wire motor.
>
> Mariss
>
>
> --- In CAD_CAM_EDM_DRO@y..., "Shelbyville Design & Signworks"
> <signworks@m...> wrote:
> > jon,
> > is it enough of a difference for an enterprising person to bring
> out the
> > additional
> > 2 wires on my 6 wire NEMA 34 triple stack motors?
> >
> > Erie Patsellis
> > Shelbyville Design & Signworks
> > 1309 W. S. 7th Street
> > Shelbyville, IL 62565
> > (217)774-4444
> > visit our website at www.shelbyvilledesign.com
> > ----- Original Message -----
> > From: "Jon Elson" <elson@p...>
> > To: <CAD_CAM_EDM_DRO@y...>
> > Sent: Thursday, September 05, 2002 12:16 PM
> > Subject: Re: [CAD_CAM_EDM_DRO] wire in parallel or series
> >
> >
> > > mszollar wrote:
> > >
> > > > I can wire my motors (8 wire) in series or in parallel. The only
> > > > difference I can see is that parallel is 2x the current of
> series.
> > > > The specs look like the torque is the same.
> > > >
> > > > Any benefits of 1 wwiring scheme over the other?
> > >
> > > HOLDING torque will be approximately the same. BUT, the running
> torque
> > > at significant speed will be much higher, as the inductance will
> be lower.
> > > This allows the same power supply voltage to charge the windings
> up to
> > > rated current much quicker. hence, you get full torque up to a
> much
> > higher
> > > speed, roughly about two times.
> > >
> > > Jon
> > >
> > >
> > > Addresses:
> > > FAQ: http://www.ktmarketing.com/faq.html
> > > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> > >
> > > 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
> as 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........
> > >
> > > Post messages: CAD_CAM_EDM_DRO@y...
> > > Subscribe: CAD_CAM_EDM_DRO-subscribe@y...
> > > Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@y...
> > > List owner: CAD_CAM_EDM_DRO-owner@y..., wanliker@a...
> > > Moderator: jmelson@a... timg@k... [Moderator]
> > > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> > > bill,
> > > List Mom
> > > List Owner
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
> > >
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> 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 as 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........
>
> 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
> bill,
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>

Discussion Thread

mszollar 2002-09-04 22:07:29 UTC wire in parallel or series alenz2002 2002-09-04 22:55:51 UTC Re: wire in parallel or series turbulatordude 2002-09-05 04:54:10 UTC GUIDE TO STEPPERS and wire in parallel or series AND 8 wire series connection Chuck Hackett 2002-09-05 09:47:28 UTC Bridgeport Series I 8-wire stepper (Sigma) current rating Jon Elson 2002-09-05 10:08:10 UTC Re: [CAD_CAM_EDM_DRO] wire in parallel or series Jon Elson 2002-09-05 10:28:11 UTC Re: [CAD_CAM_EDM_DRO] Bridgeport Series I 8-wire stepper (Sigma) current rating Shelbyville Design & Signworks 2002-09-05 10:37:53 UTC Re: [CAD_CAM_EDM_DRO] wire in parallel or series mariss92705 2002-09-05 11:03:35 UTC Re: wire in parallel or series Shelbyville Design & Signworks 2002-09-05 11:31:09 UTC Re: [CAD_CAM_EDM_DRO] Re: wire in parallel or series turbulatordude 2002-09-05 16:04:54 UTC Re: wire in parallel or series Jon Elson 2002-09-05 20:17:52 UTC Re: [CAD_CAM_EDM_DRO] wire in parallel or series turbulatordude 2002-09-06 05:38:12 UTC Re: wire in parallel or series Jon Elson 2002-09-06 10:17:11 UTC Re: [CAD_CAM_EDM_DRO] Re: wire in parallel or series Chuck Hackett 2002-09-06 16:00:03 UTC RE: [CAD_CAM_EDM_DRO] Bridgeport Series I 8-wire stepper (Sigma) current rating