CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] part holding

Posted by Bob Muse
on 2004-09-03 01:33:51 UTC
Hi Bill

I have used "superglue" to hold parts, but I've never heard of "turner's
cement". What exactly is common resin?

Bob

----- Original Message -----
From: "Bill Vance" <ccq@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, September 03, 2004 12:40 AM
Subject: Re: [CAD_CAM_EDM_DRO] part holding


> On Thu Sep 2 20:50:35 2004 skykotech wrote:
>
> >The hardest part about cnc is not the electronics, the servos, the
> >ballscrews. The hardest part is holding down the friggen part! I
> >just ruined yet another brand new 1/2" made-in-usa endmill when my
> >program had a rapid that went .010 too close to a holddown clamp at
> >120IPM. Doh! I wouldn't have had things so close to the clamps if
> >it were not for the fact that I wanted to machine everything at once
> >without remounting the part. How do you guys hold down a part when
> >you want to machine 5 surfaces on it? Vacuum table? Glue? :-)
> >
> >Good thing Enco still has that free shipping going on...sigh
>
> You could try old fashioned, "turners cement". Take 3 parts common resin,
and
> one part beeswax, heat slowly, stir well, and pour into stick molds. For
use on
> a mill, i'd use a flat piece of metal for clamping, rub the stick on it,
heat
> it, and press your work piece down on it till cool. To release it, hold a
piece
> of wood against the side, and give it a rap with a hammer. Holding power
is
> about 200 pounds per sq. inch.
>
> For lathe work, say you wanted to turn some washers to exact thickness,
you'd
> want to rub a stick against the face plate, and hold the washers against
it
> until warm, and then just let go. Make a very gentle facing cut across
the
> washers, pop them loose, reverse, and reapply them to the face plate, and
then
> start facing them to thickness.
>
> Bill
>
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Discussion Thread

skykotech 2004-09-02 20:50:38 UTC part holding Tom Hubin 2004-09-02 21:07:19 UTC Re: [CAD_CAM_EDM_DRO] part holding skykotech 2004-09-02 21:38:25 UTC Re: part holding Keith Clark 2004-09-02 22:31:20 UTC Re: part holding Keith Clark 2004-09-02 22:36:15 UTC Re: part holding Doug Chartier 2004-09-03 00:25:05 UTC Re: [CAD_CAM_EDM_DRO] part holding Bill Vance 2004-09-03 00:34:40 UTC Re: [CAD_CAM_EDM_DRO] part holding Bob Muse 2004-09-03 01:33:51 UTC Re: [CAD_CAM_EDM_DRO] part holding Abby Katt 2004-09-03 02:30:31 UTC Re: part holding Bill Vance 2004-09-03 03:44:15 UTC Re: [CAD_CAM_EDM_DRO] part holding Ron K 2004-09-03 07:17:55 UTC Re: [CAD_CAM_EDM_DRO] Re: part holding R Rogers 2004-09-03 07:20:19 UTC Re: [CAD_CAM_EDM_DRO] Re: part holding terence figa 2004-09-03 08:07:08 UTC Re: [CAD_CAM_EDM_DRO] Re: part holding R Rogers 2004-09-03 08:09:49 UTC Re: [CAD_CAM_EDM_DRO] part holding Bob Muse 2004-09-03 09:44:51 UTC Re: [CAD_CAM_EDM_DRO] part holding Jon Elson 2004-09-03 14:52:27 UTC Re: [CAD_CAM_EDM_DRO] Re: part holding Marcus and Eva 2004-09-04 08:30:44 UTC Re: [CAD_CAM_EDM_DRO] part holding Doug Chartier 2004-09-04 10:05:45 UTC Re: [CAD_CAM_EDM_DRO] part holding Don Rogers 2004-09-04 22:37:01 UTC Re: Re: part holding