On Sunday 05 August 2018 22:39:18 Ken Strauss wrote: > > -----Original Message----- > > From: Gene Heskett [mailto:[email protected]] > > Sent: Sunday, August 05, 2018 10:27 PM > > To: [email protected] > > Subject: Re: [Emc-users] Cutter compensation with mill turning > > > > Thats a sweet idea, but all holders would appear to be made to fit > > that custom spindle. So the whole thing would need at least a little > > red wagon full of rolls of SBA dollars. Good for a new design, sure, > > but would obsolete $2000+ dollars worth of tool holders I already > > have. The carousel could be made to fit the TTS holders easy enough, > > but what about a tool that doesn't fit a 3/4" r8?. Show stopper. > > Needs more thought to make it a bit more universal. > > I have a PDB and only use TTS tooling so changing tooling would not be > problem. With only 1HP to the spindle there is little reason for me to > use cutters with a shank larger than 3/4-inch. > Particularly if you raise the motor power, the TTS may slip in its holder as it has no provision to keylock it to the spindle. It seriously needs a keying slot cut into the side, and a locking pin to engage that slot in the spindle. When I went of a spree and cut up 12 feet of 7/8" brass for tap holders, I skipped the TTS and cut a semi-circle to fit the head of a 4mm socket head cap screw into the edge of a 7/8" r8 so the tap is keyed into the r8, which is keyed into my spindle. zero tap slippage now. An er20 takes 18" wrenches tightened seriously to get a good enough grip on a 4mm.7 tap. With my psu and a Pico pwm-servo amp, I'm getting close to 2hp out of the factory G0704 motor. Its almost enough to turn a 12mm tap in steel. And will get the job done if I "peck" it. How long those plastic backgears would last doing that is Yet To Be Determined. :) > > ---------------------------------------------------------------------- >-------- Check out the vibrant tech community on one of the world's > most engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users
-- 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> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
