On Friday 19 April 2019 10:01:18 Ken Strauss wrote:

> A number of firms manufacture solid, ER16 dimensioned, "collets" that
> are heat shrunk onto cutters. I'm curious if they can be removed by
> quickly heating the solid collet with an induction heater.
>
If the extraction force was applied before the rf power, I'd think you 
could. Not much economy if its not re-usable several times.
Apply the force with an air cylinder so it would pop right out, a 
hydraulic press, if hand pumped, strikes me as being way too slow. A 
block of dry ice on the shaft should help.

> > -----Original Message-----
> > From: TJoseph Powderly [mailto:tjt...@gmail.com]
> > Sent: Friday, April 19, 2019 6:28 AM
> > To: emc-users
> > Subject: [Emc-users] Fwd: Re: ER ATC tool idea
> >
> >
> >
> >
> > -------- Forwarded Message --------
> > Subject:    Re: [Emc-users] ER ATC tool idea
> > Date:       Fri, 19 Apr 2019 17:15:50 +0700
> > From:       TJoseph Powderly <tjt...@gmail.com>
> > To:         Andy Pugh <bodge...@gmail.com>
> >
> >
> >
> > Gene,
> >
> > On 04/19/2019 06:52 AM, Andy Pugh wrote:
> > >> On 19 Apr 2019, at 00:47, Ken Strauss <ken.stra...@gmail.com>
> > >> wrote: there is no obvious way that the threads would achieve
> > >> that level of concentricity.
> > >
> > > You can still register on the taper. Solid "collets" and
> > > off-the-shelf nuts seem so obvious that I am puzzled that I have
> > > never found them. It solves the tool length puzzle at a stroke.
> >
> > here's your chance to make use of that induction heater thread from
> > a while back.
> > you could make solid collets for heat shrink tooling :-)
> > heck, they could be solid collet-nuts
> > no concentricity problems ( except in manufacture , got a jig
> > grinder ? )
> >
> > > _______________________________________________ Emc-users mailing
> >
> > list
> >
> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> > tomp
> >
> >
> > _______________________________________________
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>
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>



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