Re: [CAD_CAM_EDM_DRO] Re: Vexta stepper, update!!!!.....

Oh..... the lead scew is a 8mm pitch, not a 3mm.....

----- Original Message -----
From: RC <asdf@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, April 03, 2002 5:03 PM
Subject: 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
> > > >>>>>
> > > >>>>>
> > > >>>>> [Non-text portions of this message have been removed]
> > > >>>>>
> > > >>>>>
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> > there,
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> >
> > 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 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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http://docs.yahoo.com/info/terms/
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>
>
> Addresses:
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> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> 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 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.
>
>
>
> Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
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>