[ARC5] Pantograph machine?

[AKLDGUY .]

> The shiny metal bar at about 45 degrees is a part of the pantograph. The
> aspect ratio and size of the workpiece engraving is set by moving the arm
> pivot points on tracks. That is one of the tracks.
>
> A pantograph can magnify or reduce and alter aspect ratios (I think)
>
> See:
>
> http://en.wikipedia.org/wiki/Pantograph


That makes sense. I learned a lot today about the pantograph, but
it's still not clear what she's actually making or engraving.

Thanks also to Mike Hanz for suggestions and interesting youtube
video of collet machining.

73 de Neil ZL1ANM


On Wed, May 21, 2014 at 11:42 AM, J. Forster <jfor at quikus.com> wrote:

> The shiny metal bar at about 45 degrees is a part of the pantograph. The
> aspect ratio and size of the workpiece engraving is set by moving the arm
> pivot points on tracks. That is one of the tracks.
>
> A pantograph can magnify or reduce and alter aspect ratios (I think)
>
> See:
>
> http://en.wikipedia.org/wiki/Pantograph
>
> -John
>
> ====================
>
>
> > I specifically said "her left elbow". The shiny metal bar running off to
> > right of picture looks like it's an aluminium strut, part of an ARC-5
> > mount? Yes, the stylus appears to be tracing out the master.
> >
> > Then again, the shiny highly polished round thingies look like they're
> > just
> > the right size and shape for ARC-5 dials to be positioned on them, so
> does
> > this machine imprint the digits and markings onto the painted dials?
> >
> > 73 de Neil ZL1ANM
> >
> >
> > On Wed, May 21, 2014 at 9:56 AM, J. Forster <jfor at quikus.com> wrote:
> >
> >> Do you mean her left or our left?
> >>
> >> The bar on the left of the pic is the master. She is tracing it with the
> >> stylus.
> >>
> >> -John
> >>
> >> ================
> >>
> >>
> >> > Some of you have lathes and whatnot, so what is the item this young
> >> lady
> >> > is
> >> > machining or making?
> >> >
> >> > http://www.shorpy.com/node/17487#comments
> >> >
> >> > The shiny metal bar near her left elbow sure looks like the strut of
> >> an
> >> > ARC-5 series mount.
> >> >
> >> > The photo can be enlarged; click on appropriate link.
> >> >
> >> > 73 de Neil ZL1ANM
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