Re: [CAD_CAM_EDM_DRO] Inaccessible milling?

You guys (and gals?) are great, thanks for all the responses. Regarding the
universal mill head, I lucked out and located a brand new, 1945 era set of
accessories for my Van Norman 12 mill, including a slotter, a boring head,
and yes, a universal head too. At any rate, I had assumed I could use that
to work manually on this particular type application, I was just wondering
if I was missing something else which would allow automation of the process.
Maybe I could modify a toolpath in a 45 degree setup in each of (4) separate
directions? I have no experience yet with G-codes, is that what the
particular G-code recently mentioned sets up for?
Thanks again...



R. William Kichman, P.E.
Kichman Engineering Associates
103 Old Furnace Road
Cornwall, PA 17016-0643
tel/fax 717/270-0714

----- Original Message -----
From: <ccq@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, July 19, 2003 1:01 AM
Subject: Re: [CAD_CAM_EDM_DRO] Inaccessible milling?


> On Fri Jul 18 20:21:04 2003 Harvey White wrote:
>
> >On Fri, 18 Jul 2003 22:15:02 -0400, you wrote:
> >
> >>Maybe this is an oft-asked noob question, but how does one typically
mill a
> >>part in which all areas are not directly accessible from overhead as in
> >>normal overhead milling? For example, say I want to mill out a box
whose
> >>top opening is smaller than the interior area?
> >
> >As far as I know, you need a way of tilting the tool, which can be
> >done possibly with a rotary table and the equivalent on the z axis,
> >the tool can tilt to the vertical, and to do odd angles, you have to
> >rotate the model, I think it takes a rotary table for that one.
> >
> >Harvey
>
> Hi guys;
>
> There are also, "universal", heads,that can turn in various directions.
If you
> can get the head in the hole, you just start chipping away at the inside.
It's
> most likely that this will result in a hemispherical hollow area inside,
not a
> hollow box though.
>
> Bill
>
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