Re: [CAD_CAM_EDM_DRO] Re: Holtzapffel

It's a Renaissance Spiro-Graph!

Thanks for the link, very interesting reading.

machines@... wrote:

> --- In CAD_CAM_EDM_DRO@egroups.com, Wayde C Gutman <wcgutman@m...>
> wrote:
> > Now I wished I had kept that article....
> >
> > In one of the metal working publication [1996 ?], can not remember
> > which, there was an article about a owner of a gear manufacturer who
> > became enamoured with the Holtzapffel, started up production of an
> > modern version of the machine. The newer version stayed with the
> concept
> > and design of the original, just uses modern material, cost was some
> > where in the ballpark of $25K. Don't remember the name of the
> company or
> > the owner, sorry.
>
> Info and links at
> http://ourworld.compuserve.com/homepages/jeharr/history.htm#h4
>
> John Stevenson
> Nottingham, England
>
>
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