Re: [CAD_CAM_EDM_DRO] Re: home-brew CNC lathe

got it!
Looks like something out of this world.
Alex

----- Original Message -----
From: forumtvm <forumtvm@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, May 14, 2003 7:38 PM
Subject: [CAD_CAM_EDM_DRO] 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]
> > >
> > >
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> > >
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> > >
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>
> Addresses:
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> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
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timg@...
> Moderator: pentam@... indigo_red@... [Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> 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 to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>