On Friday 10 April 2020 08:24:11 Robert Ellenberg wrote:

> Gene,
>
> Have you seen Tormach's TTS for R8 spindles? It has some shortcomings
> but solves the repeatability problem, and has shorter tool holders
> than native R8 :
>
> http://wiki.makeitlabs.com/training/tormach-pcnc1100-cnc-milling-machi
>ne/tool-holding
>
> It works on any R8 spindles that has a standard depth taper (some
> don't, like my old import manual mill).
>
yes, in fact I have a 10 pack of them but all for ER32 holders. So there 
goes any usable repeatability because a 10 pack always needs 40 more.

> -Rob
>
> On Fri, Apr 10, 2020, 12:54 AM Gene Heskett <[email protected]> 
wrote:
> > On Thursday 09 April 2020 23:19:11 Ken Strauss wrote:
> > > > -----Original Message-----
> > > > From: Reinhard [mailto:[email protected]]
> > > > Sent: Thursday, April 09, 2020 11:02 PM
> > > > To: EMC developers
> > > > Subject: Re: [Emc-developers] Toolchange and tlo behaviour
> > > > change in 2.8
> > >
> > > ...seriously trimmed
> > >
> > > > So for me, its a wrong behaviour, allow to retain G43 without
> > > > the
> > >
> > > possibility
> > >
> > > > to change toollength and tooldiameter in GCode.
> > >
> > > I'm probably missing something in this discussion but doesn't G10
> > > L1 and G10 L10 allow one to change a tool table entry including
> > > tool length (actually X,Y,Z offsets so more than just length) and
> > > the tool radius plus front angle, back angle and orientation for
> > > lathe?
> >
> > All that is a hangover from our simpler days Ken, and as such should
> > remain as it is.
> >
> > If you want Heidenhawn style, and have the $3k for an ATC spindle,
> > add it to your tool change subroutine FILE. There are many of us
> > with R8 spindles that are far better off using a touch contact jig
> > to set tlo anyway because theres no practical way to measure the tlo
> > without doing it in real time after changing the tool when all you
> > have is an R8 spindle.  Leave it be until someone invents an R8
> > spindle that can be calibrated, once per tool it can hold.  That
> > hasn't happened, yet. And given the error that an extra crank on the
> > drawbolt can give, I'm not holding my breath. For us, the realtime
> > measurement and application of tlo is the only practical way to fly.
> >
> > 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)
> > If we desire respect for the law, we must first make the law
> > respectable. - Louis D. Brandeis
> > Genes Web page <http://geneslinuxbox.net:6309/gene>
> >
> >
> > _______________________________________________
> > Emc-developers mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/emc-developers


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)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>


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