CAD CAM EDM DRO - Yahoo Group Archive

Re: Encoder Indexer Option --- opening up steppers.......and modfying shafts...

Posted by Marv Frankel
on 2005-01-31 03:21:34 UTC
C'mon Guys,
If you had a set of spark plugs for your car, and they were
the wrong size, would you pull the heads and remachine them to fit
the plugs? I don't think so.

Marv Frankel


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "braidmeister"
<braidmeister@y...> wrote:
>
> ...and others would just buy a 5/8" encoder :)
>
> I didn't want to take apart a new motor...or anyone of them for the
> simple fact that...yes, I know I can be ham fisted at times...and
> have scraped the magnets against the rotor before. I wanted to
avoid
> machining anything...mainly because I don't have a lathe.
>
> -Brady
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
> <dave_mucha@y...> wrote:
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, R Rogers
<rogersmach@y...>
> > wrote:
> > > I've never heard of that not touching the magnets deal. Sure
> > wouldn't operate like that. I had all mine apart to remove the
> brakes
> > and the armature and magnets touched. Didnt seem to impede them
in
> > any way. Maybe it is a no-no. But, I find it hard to understand.
I
> > could see a long period of time being detrimental.
> > >
> > > Ron
> >
> > The motor de-rating has been documented for stepper motors by
> Mariss,
> > who also has a very accurate means of testing torgue.
> >
> > The big deal with steppers also comes into play about how ham
> fisted
> > we are. dragging the rotors and stators against the case and
> magnets
> > is almost a forgone conslusion unless you have some means of
> > maintaining the alignment axialy.
> >
> > The bits of scrapings then effect the health of the motor and
tend
> to
> > bind and scrape and make more bits that bind and scrape....
> >
> > as for 5/8 shafts and encoders.....
> > Many of us with lathes would be more than happy to pull the motor
> > apart and turn down the shaft. Others would just make a sleve
> with
> > a 1/4 post to slip over the shaft. still others would drill and
> tap
> > and thread in a 1/4 shaft, while others would just drill and ream
> and
> > use some bearing locking stuff to permanently attach the small
> shaft.
> >
> > It's part of the fun part of the whole machine building process.
> >
> > Dave

Discussion Thread

braidmeister 2005-01-30 18:38:54 UTC Encoder Indexer Option Stephen Wille Padnos 2005-01-30 18:53:32 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option R Rogers 2005-01-30 18:53:34 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option R Rogers 2005-01-30 19:08:51 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option Stephen Wille Padnos 2005-01-30 19:15:01 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option braidmeister 2005-01-30 19:15:59 UTC Re: Encoder Indexer Option R Rogers 2005-01-30 19:20:56 UTC Automobile starter motor as servo?? R Rogers 2005-01-30 19:27:46 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option Luke1027 2005-01-30 19:29:36 UTC Re: [CAD_CAM_EDM_DRO] Automobile starter motor as servo?? R Rogers 2005-01-30 19:30:51 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option Luke1027 2005-01-30 19:33:53 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option Stephen Wille Padnos 2005-01-30 19:50:11 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option R Rogers 2005-01-30 19:59:09 UTC Re: [CAD_CAM_EDM_DRO] Encoder Indexer Option turbulatordude 2005-01-30 20:20:01 UTC Re: Encoder Indexer Option --- opening up steppers.......and modfying shafts... Scott Ellis 2005-01-30 21:33:44 UTC Re: [CAD_CAM_EDM_DRO] Automobile starter motor as servo?? braidmeister 2005-01-30 21:37:44 UTC Re: Encoder Indexer Option --- opening up steppers.......and modfying shafts... Jon Elson 2005-01-30 21:48:20 UTC Re: [CAD_CAM_EDM_DRO] Automobile starter motor as servo?? Marv Frankel 2005-01-31 03:21:34 UTC Re: Encoder Indexer Option --- opening up steppers.......and modfying shafts... Andy Wander 2005-01-31 04:43:25 UTC RE: [CAD_CAM_EDM_DRO] Encoder Indexer Option Polaraligned 2005-01-31 04:49:52 UTC Re: Encoder Indexer Option turbulatordude 2005-01-31 06:52:59 UTC Re: Encoder Indexer Option --- opening up steppers.......and modfying shafts... R Rogers 2005-01-31 07:25:09 UTC Re: [CAD_CAM_EDM_DRO] Automobile starter motor as servo?? braidmeister 2005-01-31 07:30:19 UTC Re: Encoder Indexer Option R Rogers 2005-01-31 07:32:46 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option --- opening up steppers.......and modfying shafts... Andy Wander 2005-01-31 07:47:49 UTC RE: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option --- opening up steppers.......and modfying shafts... Polaraligned 2005-01-31 08:23:26 UTC Re: Encoder Indexer Option Stephen Wille Padnos 2005-01-31 08:30:20 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option Stephen Wille Padnos 2005-01-31 08:31:49 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option braidmeister 2005-01-31 08:32:51 UTC Re: Encoder Indexer Option braidmeister 2005-01-31 08:42:23 UTC Re: Encoder Indexer Option Stephen Wille Padnos 2005-01-31 08:49:55 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option John Rouche 2005-01-31 08:51:15 UTC Re: Encoder Indexer Option braidmeister 2005-01-31 09:01:09 UTC Re: Encoder Indexer Option Polaraligned 2005-01-31 11:04:09 UTC Re: Encoder Indexer Option braidmeister 2005-01-31 11:16:08 UTC Re: Encoder Indexer Option Polaraligned 2005-01-31 11:36:30 UTC Re: Encoder Indexer Option braidmeister 2005-01-31 11:45:53 UTC Re: Encoder Indexer Option Stephen Wille Padnos 2005-01-31 12:44:28 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option Terrenoire, Adrien L 2005-01-31 13:00:24 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option David A. Frantz 2005-01-31 14:10:03 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder Indexer Option braidmeister 2005-01-31 14:43:34 UTC Re: Encoder Indexer Option cnc_4_me 2005-01-31 17:33:36 UTC Re: Encoder Indexer Option braidmeister 2005-01-31 18:07:28 UTC Re: Encoder Indexer Option cnc_4_me 2005-01-31 19:10:35 UTC Re: Encoder Indexer Option Stephan Kotze 2005-02-01 00:36:14 UTC Re: Automobile starter motor as servo?? R Rogers 2005-02-01 06:13:06 UTC Re: [CAD_CAM_EDM_DRO] Re: Automobile starter motor as servo?? Jon Elson 2005-02-01 09:59:13 UTC Re: [CAD_CAM_EDM_DRO] Re: Automobile starter motor as servo?? Brian 2005-02-01 16:40:19 UTC Re: [CAD_CAM_EDM_DRO] Automobile starter motor as servo??