Re: [CAD_CAM_EDM_DRO] Re: Motors

----- Original Message -----
From: km6vv <KM6VV@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, April 26, 2003 1:32 PM
Subject: [CAD_CAM_EDM_DRO] Re: Motors


> Hi Alex,
>
> 3 wires! That makes the SS50 a SYNCRONOUS motor. 60Hz. Not much use
> to us as a stepper (although I have heard tails of them being rewired
> to be sloppy steppers).
>
> The 20V and 30V motors are DC MOTORS (possibly servos)! I'd been
> thinking that you were talking about a nice cache of STEPPER MOTORS!
> These voltages now make perfectly good sense. Do they turn with a few
> volts on them? A good servo motor (I'm told) will turn with a few
> volts. Put on a few more volts, is the rotation smooth, or does it
> feel like it cogs? This too is an indication of a motor's suitability
> for servo use.
>
> Now that we know what motors you have, I'm sure others on this list
> can offer more (better) comments.
>
> Alan KM6VV
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "alex" <telecomt@t...> wrote:
> > Alan,
> > thank you for your reply.
> > I only detected 3 wires coming out of SS50s.
> > Does it mean that they are unipolar?
> > 20V and 30V motors are PM DC. They are quite heavy, with approx.
> Dia. 5/8
> > shaft.
> > Regards, Alex
> > ----- Original Message -----
> > From: Alan Marconett KM6VV <KM6VV@a...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Friday, April 25, 2003 4:31 PM
> > Subject: Re: [CAD_CAM_EDM_DRO] Motors
> >
> >
> > > Hi Alex,
> > >
> > > SS50's are OLD! As long as they're bipolar, they will work
> (unipolar
> > > could too, but fewer high end drivers available). Much better
> motors
> > > available now, of course.
> > >
> > > The 20V & 30V figures on the motors doesn't sound too interesting.
> A
> > > few volts, 2-5V or so, is to be preferred, so that a 15 - 20X or
> so
> > > supply voltage doesn't get too high (Geckos like < 80V).
> > >
> > > HTH
> > >
> > > Alan KM6VV
> > >
> > > alex wrote:
> > > >
> > > > Hi,
> > > > I stumbled into some used motors - can be bought very
> inexpensively.
> > > > Slo-Syn 600 oz-n, SS50-P2.
> > > > Another appears to be DC by Ametek - says 30 VDC.
> > > > Also - no name, but quite big - says 20V DC.
> > > > Can you please give me an idea if these motors are good for
> anything?
> > > > Regards, Alex
> > > >
> > > > Addresses:
> > >
> > >
> > > 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@a...,
> > timg@k...
> > > Moderator: pentam@c... indigo_red@q... [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
> > >
> > >
> > >
> > > 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/
> 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@... [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
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>