Re: Finding Z zero for CNC

Hello,

The "classic" paper to use for this is cigarette paper. .001 thick,
and comes in a nice package with easy access to multiple sheets.

If high-acuracy is needed be aware of the effect of humidity upon
paper...

Hope this helps,

Ballendo

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Greg Nuspel" <nuspel@t...>
wrote:

> You can use a piece of paper between the tool and the part. Move

the paper

> back and forth while lowering the tool. When the tool grabs the

paper you

> will be about .002" above the work. It takes a little practice but

you will

> be able to get predictable results. Measure your paper most I use

is .003"

> thick.
> --Greg
>
> ----- Original Message -----
> From: "Scott A. Stephens" <sstephenssprint020@e...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Sunday, May 02, 2004 4:54 PM
> Subject: [CAD_CAM_EDM_DRO] Finding Z zero for CNC
>
>
> > Though I would ask since I'm still learning. How are you

accurately

> > setting zero for Z. I drive down and us a visual method, with a

light

> > behind the cutter and wait till I can not see a gap between the

cutter and

> > the material. But still wind up being just a hair off and would

like to

> > get it perfect for multi tool programs. Thanks.
> >
> >
> >
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