Weldon shank is round with a flat on the side. A setscrew prevents pullout.
I haven't done personal measurements but I've often read that Weldon shank is worse than ER collets for low TIR when using small diameter tools which are usual in a high speed spindle. > -----Original Message----- > From: Gene Heskett [mailto:ghesk...@shentel.net] > Sent: Thursday, April 18, 2019 7:58 PM > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] ER ATC tool idea > > On Thursday 18 April 2019 19:49:10 Andy Pugh wrote: > > > > On 18 Apr 2019, at 23:29, Gene Heskett <ghesk...@shentel.net> wrote: > > > > > > Cutting duties with 6mm end mills would still need a collets death > > > grip I think. YMMV of course. > > > > He did mention Weldon Shank. > > > > > Ok, since I'm a new bee in terms of a weldon, what makes them magic? > > Thanks Andy. > > 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> > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users