Re: [CAD_CAM_EDM_DRO] Re: Finding Z zero for CNC

I also have put layout blue on the part. Turn on the spindle and you'll see
the blue removed when your where you want to be.

Greg

----- Original Message -----
From: "RichD" <cmsteam@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, May 03, 2004 10:44 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: Finding Z zero for CNC


> ballendo & all,
> Paper is ok, but not too practical when the the tooling is dripping
> with coolant, oil, etc.
> I use shim stock (stainless steel or blued steel) of .003 or whatever
> thickness is handy but still flexible. You get a good feel for the "fit"
> and an known measurement on touch off. Lasts a long time and not messy.
> RichD
>
> ballendo wrote:
> >
> > 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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> > OFF Topic POSTS: General Machining
> > If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> > http://www.metalworking.com/news_servers.html
> >
> > http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
> >
> > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
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timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
[Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
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>