Re: home-brew CNC lathe

Hi Alex,

You gotta watch out for word wrap. Suggest you copy the whole link,
including the portion that ended up on the next lines, into notepad,
then into the URL address. Or, go to photo section at
http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
(on left of the page) look for the [home-brewed lathe] folder.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "alex" <telecomt@t...> wrote:
> When I try access it, getting a message"page not found"
> Can you please repost the link?
> Alex
> ----- Original Message -----
> From: <JanRwl@A...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Wednesday, May 14, 2003 5:49 PM
> Subject: Re: [CAD_CAM_EDM_DRO] home-brew CNC lathe
>
>
> > In a message dated 5/14/2003 4:20:27 PM Central Standard Time,
> > forumtvm@y... writes:
> >
> > >
http://photos.groups.yahoo.com/group/cad_cam_edm_dro/lst?.dir=/Home-
> > > brew+CNC+lathe&.src=gr&.view=
> > >
> >
> > I took the photos, and I admit, I am NOT a trained studio-
portraitist! I
> am
> > not sure WHICH lead-screw you mean, the "X axis" or the "Z
axis". So, I
> will
> > explain both:
> >
> > Due to the bad "posing" of the photo with the dust-guard door
closed, you
> > can't see the "Z-screw", but it leads from that handwheel on the
far-right
> > into the headstock, where the "Z stepper" is face-mounted on the
> > inside-surface of the headstock's left face (1.5" thick 6061-T6).
> >
> > The "X lead-screw" is directly fastened to the shaft of the motor
on the
> > far-rear end of the saddle, and this is totally hidden by the
tail-stock
> > body. However, you can JUST see the outline of the TOP of this
motor in
> the
> > third snapshot in this group, right behind the left end of the
tail-stock
> > body. That outline is the nearly-white, bright area, so
intensely lit by
> the
> > working-lights above it.
> >
> > BOTH are Superior Electric bipolar KML092F07 steppers, driven by
a Slo-Syn
> > SS2000DP4 dual-driver-with-power-supply "box". Opto-isolator
inputs.
> Works
> > fine, but VERY expensive. Were I to do this same machine again,
I'd use
> > Gecko G210 drives and my OWN power-supply!
> >
> > The lead-screws are 4 mm/rev. ACME with preloaded Turcite nuts by
BSA.
> >
> > Questions?
> >
> > The little PCB drill in picture 1 of that group can drill a board
so fast
> > that I can be DONE with all the holes faster than attempting it
by hand,
> even
> > when I include the time to measure and "type-in" the X-Y
coordinates!
> >
> > Now, THAT uses surplus Size-23 motors and home-brew drivers made
with a
> > now-difficult-to-find 29HGA41 (or whatever) IC once made by
Sigma, later
> > G.I., but who knows, now! I haven't bought one in years. Long
story!
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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wanliker@a...,
> timg@k...
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> >
> > OFF Topic POSTS: General Machining
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> >
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> >
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> > List Mom
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