Re: [CAD_CAM_EDM_DRO] Re: Vexta stepper, or maybe.....

Dave, thanks for the info... you mentioned a stepper/gearhead with a 2 to 1
ratio stepper, well I think that is what you were saying, at any rate, I
believe that would work great for my "Z" axis, the ball screw is a 3mm pitch
so, gearing it down would help keep the stepper from creeping at small
movements, and add power ....do you think of that logic? Also my Yamaha
linear z axis is so efficient, that the resistance of the gearhead would
keep it from moving, when power is off the stepper......But do gearheads
have backlash? If anyone out have any stepper/gearhead with the above
specs, and would like to share more info, please let me know.....


Russ

----- Original Message -----
From: dave_ace_me <davemucha@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, April 03, 2002 5:02 AM
Subject: [CAD_CAM_EDM_DRO] Re: Vexta 2Phase 4 volt, 1.1 amp #C518-9212
stepper????


> I saw a pair of these on e-bay (since you mentioned it)
>
> They are NEMA 23 single stack. Not really powerful, less than
> 50in/oz holding torque. But holding tourque is not the end all and
> be all of steppers. There was a gentleman on here last week, 2:1
> NEMA23 into a 10 TPI leadscrew, yet the power delivered was over 300
> pounds of force !
>
> Here is what you can do with something like these.
>
> Circuit board etcher, Dremel type milling machine.
>
> small lightwieght router, think trim router, but there is no reason
> your table could not be 48" x 48"
>
> Plasma cutting table
>
> but the best thing you could do is anything ! put something
> together, see how easy it is, then see your mistakes and not only
> will you have more certainty about learning, you will have
> accomplished something !
>
> Dave
>
>
>
>
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., Jerry Biehler <j.biehler@v...> wrote:
> >
> > On Tuesday, April 2, 2002, at 09:56 PM, RC wrote:
> >
> > > Currently listed on e-bay.... say there new in box, seller has no
> idea!
> > >
> > > Russ
> >
> > Yeahm saw those the other day. I thought they were odd ball motors.
> > Those are older motors. Might give Oriental Motors a call they
> might be
> > able to help you. Tell them you have a bad motor with this motor
> and you
> > need a cross reference part number for a current replacement.
> >
> > -Jerry
> >
> > > ----- Original Message -----
> > > From: Jerry Biehler <j.biehler@v...>
> > > To: <CAD_CAM_EDM_DRO@y...>
> > > Sent: Tuesday, April 02, 2002 6:34 PM
> > > Subject: Re: [CAD_CAM_EDM_DRO] Vexta 2Phase 4 volt, 1.1 amp #C518-
> 9212
> > > stepper????
> > >
> > >
> > >>
> > >> On Tuesday, April 2, 2002, at 09:41 PM, RC wrote:
> > >>
> > >>> Jerry, it has 6 wires, and is 2 phase... hope this helps
> > >>
> > >> Hmm. Any idea how old? Vexta's current book lists the first
> number as
> > >> the # of phases, second number as the width and the third as the
> > >> length.
> > >>
> > >> -Jerry
> > >>> ----- Original Message -----
> > >>> From: Jerry Biehler <j.biehler@v...>
> > >>> To: <CAD_CAM_EDM_DRO@y...>
> > >>> Sent: Tuesday, April 02, 2002 6:20 PM
> > >>> Subject: Re: [CAD_CAM_EDM_DRO] Vexta 2Phase 4 volt, 1.1 amp
> #C518-9212
> > >>> stepper????
> > >>>
> > >>>
> > >>>>
> > >>>> On Tuesday, April 2, 2002, at 09:06 PM, RC wrote:
> > >>>>
> > >>>>> First of all, I want to thank everyone that sent info on
> Vexta
> > >>>>> stepper
> > >>>>> motors, it's been a big help, but still, for some reason, can
> not
> > >>>>> find
> > >>>>> any info on the Vexta # C518-9212. other than it is a 4 volt,
> 1.1
> > >>>>> amp
> > >>>>> double shaft stepper, but no info on holding torque .....or
> want
> > >>>>> they
> > >>>>> can be used for. So if anyone knows anything on this series
> of
> > >>>>> stepper, please direct me!
> > >>>>>
> > >>>>> Thanks again,
> > >>>>> Russ
> > >>>>
> > >>>> How many wires?
> > >>>>
> > >>>> -Jerry
> > >>>>>
> > >>>>>
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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 memembers are there, for
OT subjects, that are not allowed on the CCED list.
>
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