Re: Pen Plotting

Jan,
Thanks for the suggestions. I'm actually a rank beginner but a quick
study given the chance. Don't be surprised to see some more advanced
questions along with some really stupid ones. It's inevitable when
you learn a new skill as a self motivated adult rather than as one
having a lot of schooling or apprentiship.

Eric

--- In CAD_CAM_EDM_DRO@y..., JanRwl@A... wrote:
> In a message dated 06-Jul-02 17:18:09 Central Daylight Time,
> exeric1@y... writes:
>
>
> >
> > Does anyone know how to create a setup to plot a graphic directly
on
> > the milling machine? I'm talking about a device that holds a pen
or
> > pencil in the chuck with some spring loaded pressure to maintain
> > contact on paper.
>
> Eric: NO need for a spring-loading! Just use GRAVITY and the
weight of a
> good felt-tip pin on Vellum (or "clean-room paper" which is
actually a kind
> of rubber with no lint, and costs about 30¢ per sheet for 8½x11).
>
> Surely, if you can operate a CNC mill, you are enough of a
machinist to
> cobble a little hinged rig with a vertical v-groove (which is
hinged) which
> can be fitted into a collet, the pen held on even just by a rubber-
band!
> Just be sure you don't turn-on the spindle-motor when "testing" the
CNC
> programs with this in the collet! Duh...
>
> I am now finishing-up my SECOND plotter which has KMO-061 steppers,
BSA
> 4-start lead-screws (1/2"/turn lead), and Gecko drives, to plot
MY "CNC lathe
> programs". This way, they are several times larger-scale,
so "errors" are
> easier to see, etc.
>
> Jan Rowland
>
>
> [Non-text portions of this message have been removed]