Re: Sync Motor :-( update_3

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Kidd6488-at-aol-dot-com>

In a message dated 7/31/01 03:16:10 PM Eastern Daylight Time, 
tesla-at-pupman-dot-com writes: 


>
> > > 
> >  >Im starting to wonder if one of the stator fields is shorted     warm 
> to 
> > hot 
> >  >running  slow speed  "grinding" possible bucking ..... 
> >  > 
> >  >Hmmmmmmmmmmm ... 
>
> Jonathon, 
>
> On some motors, when they're put back together, the armature 
> rotor can rub on the stator, and you'll hear a rubbing noise if you 
> turn the motor shaft by hand.  I had a motor like this and I had 
> to take off an end cap, and rotate it by 90 degrees, to prevent 
> this rubbing.  If you feel any scraping or rubbing as you turn the 
> armature by hand, this could be your problem.  This mechanical 
> rubbing could limit the speed of the motor maybe.  The rubbing 
> is caused because the armature and stator are not properly 
> concentric. 
>
> John Freau 



No, no rubbing. I heard that noise before, when i turned it without one of 
the endcaps on. I think I am just going to ship it to Terry, let him figure 
it out. 

--------------------------------------- 
Jonathon Reinhart 
hot-streamer-dot-com/jonathon