I have used some reasonable quality holders for Weldon shank tools -- Bison R8 holders and Tormach TTS -- and none had angled setscrews. In all cases the setscrew was very closely perpendicular to the axis of the tool.
> -----Original Message----- > From: TJoseph Powderly [mailto:tjt...@gmail.com] > Sent: Thursday, April 18, 2019 10:14 PM > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] ER ATC tool idea > > Greg thanks > > On 04/19/2019 08:36 AM, Gregg Eshelman via Emc-users wrote: > > > > The Weldon style has a set screw flat that's angled toward the cutting > > end. > > > Tighten the set screw on it and the tool is forced upwards until the > > deeper end of the flat contacts the side of the set screw. > > > That makes the too resistant to shifting axially, preventing loosening > > or shifting of tool length. > > Thanks, I can see it working now and have used them on shank tool > holders ( Bports etc ) > > So, the set screw squeezes the angle to bottom out the shank in the bore. > And, the end of shank and bottom of bore must be clean and solid. > > I recall doubting what I had used , > trying to jiggle and twist the tool with set screw just biting. > They didnt 'feel' like the tool was constrained, > The bore felt good, but the twist and length feature did not. > > I didnt chcek but would expect the one cheek of the Weldon to have marks > from the screw. > > But, considering the shop owner, > I was likely using cheap stuff from MSC ( who was down the street Elk > Grove Illinois ). > > > > > On Thursday, April 18, 2019, 5:59:29 PM MDT, Gene Heskett > > <ghesk...@shentel.net> wrote: 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 > > _______________________________________________ Emc-users mailing > list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > tomp > > > _______________________________________________ > 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
