Remember, they are only dust sealed. You have to protect them from
coolant, etc. I get my couplers from helicoil in CA. Don't know if they
are any better or worse than others tho. 

Dave

On Mon, 2013-08-12 at 19:41 -0700, Terry Christophersen wrote:
> Thanks Dave,
> 300 for xyz is much better than 300 for just the x
> 
> 
> Terry
> 
> 
> 
> ----- Original Message -----
> From: dave <dengv...@charter.net>
> To: Terry Christophersen <tcninj...@yahoo.com>; Enhanced Machine Controller 
> (EMC) <emc-users@lists.sourceforge.net>
> Cc: 
> Sent: Monday, August 12, 2013 9:27 PM
> Subject: Re: [Emc-users] sem motors
> 
> On Mon, 2013-08-12 at 19:14 -0700, Terry Christophersen wrote:
> > Hi all,
> >  I am reretrofitting a bridgeport that I use for second operations.It has 
> > 250 line encoders now.
> > I would like to upgrade these encoders to say 500 or 1000 line(I am getting 
> > rid of the 2:1
> > ratio pulleys and going for 1:1 so I have lost 1/2 of my resolution)
> >  I dont need heidenhains or super expensive ones as this machine is not 
> > used on
> > a daily basis.
> > Motor:
> > 
> > SEM MT30-R4   31lb/in
> > 
> > I dont care if it mounts under the cover like the old one or is outside on 
> > the end of the shaft.
> > The orginals were 3 piece(light,wheel,pcb with sensors all open)
> > 
> > 
> > Any sources? 
> > 
> > Thanks
> > 
> > Terry
> I've had good luck with these:
> 
> Automation Direct  Koyo 
> TRD-S2500-VD 
> ENCODER 2500 PPR 6mm SOLID LINE-
> DRIVER 5VDC 2m (6.5ft) CBL LT DUTY
> $90
> 
> Use them on the cinci and the Mazak. 
> 
> Dave
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