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Re: Apology

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  • Pat Delany
    A drawing would be great! Thanks Pat ... this
    Message 1 of 7 , Dec 13, 2007
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      A drawing would be great!

      Thanks
      Pat
      --- In multimachine@yahoogroups.com, "Pierre Coueffin" <pcoueffin@...>
      wrote:
      >
      > Did anyone see the recent set of articles that Howard Hall wrote for
      > Model Engineer's Workshop? The lathe mounted vertical milling adaptor
      > ones... He had a neat assembly that used an idler pulley to drive a
      > vertical head from the motor on the lathe with a constant length belt.
      > The idler was mounted at the top of the adaptor and as the head moved
      > up and down, it would take up the slack. No splined shaft, no extra
      > moving parts, just an extra long belt and one more sheave than you
      > would expect. I can probably make a drawing to show how it works.
      >
      > On Dec 12, 2007 7:07 PM, drpshops <drpshops@...> wrote:
      > >
      > >
      > >
      > >
      > >
      > >
      > > --- In multimachine@yahoogroups.com, "Pat Delany" <rigmatch@>
      > >
      > > wrote:
      > > >
      > > > Thanks Keith
      > > >
      > > > I was thinking of 3 belts anyway. Maybe some pictures are on
      > > lathes.com.uk
      > > > What I was thinking about was to to use a third block that would be
      > > > mounted on top of, and at rt. angle to the main block and a spindle
      > > > made of Za-27. It would be EXTREMELY ugly but a belt drive like
      this
      > > > would allow construction with just 1 moving part plus a simple
      > > device
      > > > to raise and lower the spindle (see the Versamill in files).
      > > >
      > > > Pat
      > > >Hello Pat
      > > I have been working on a spindle with a slideing quill.
      > > It is basicaly a dom tube in the bearings and a keyed shaft going
      > > through the dom tubing.
      > > I have sort of a small prototype build but have not gone to a full
      > > size unit.
      > >
      > > To drive the machine like I understand it, you could come off the
      > > main drive you have now.
      > > Go up to some idler pulleys set at a right angle to the spindle.
      > > Turn the belt 90~ than go to the other spindle.
      > > The problem with this is it need a very long belt, but it will work.
      > > Any body got a better idea?
      > > Keith
      > >
      > >
      > > > --- In multimachine@yahoogroups.com, keith gutshall <drpshops@>
      > > wrote:
      > > > >
      > > > > Hello Pat
      > > > > I hope you get to feeling better.
      > > > >
      > > > > I looked at the thread follower, and I am still thinking about
      > > it.
      > > > >
      > > > > On the South Bend V-belt question.
      > > > > The driver pulley was a standard V-belt pulley, the driven was
      > > > the flat pulley.
      > > > > The inside surface of the V-belt ran on the flat surface of the
      > > > pulley.
      > > > > Two standard V-belt pulleys would be better, in my view.
      > > > > Keith
      > > > >
      > > > > Pat Delany <rigmatch@> wrote:
      > > > > Sorry for my silence. My 3 week long head cold has
      > > mutated to
      > > > > something worse!
      > > > >
      > > > > On a another subject, did anyone look at the new thread follower
      > > in (3
      > > > > thread follower) in "files"?
      > > > >
      > > > > On a very old subject, does anyone know the old South Bend
      > > technique
      > > > > of running "v" belts on a flat pulley. This could give us an
      > > overhead
      > > > > mill and drill press with just one main moving part! I'll try to
      > > draw
      > > > > it out when I feel better.
      > > > >
      > > > > Pat
      > > > >
      > > > >
      > > > >
      > > > >
      > > > >
      > > > >
      > > > > Deep Run Portage
      > > > > Back Shop
      > > > > " The Lizard Works"
      > > > >
      > > > > ---------------------------------
      > > > > Be a better friend, newshound, and know-it-all with Yahoo!
      > > Mobile.
      > > > Try it now.
      > > > >
      > > >
      > >
      > >
      >
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