Hey Gene, Wouldn't a square R-8 collet make things simpler? Something like this? <https://www.carbideanddiamondtooling.com/R8-INCH-Square-Collets-4101>
Then you could just use square stock for your tap holders. (Yeah, I know it's a bit late. But the idea just came to me in the middle of last night.) Regards, Ken On Tue, Apr 10, 2018 at 7:29 PM, Gene Heskett <ghesk...@shentel.net> wrote: > On Tuesday 10 April 2018 17:05:51 Ken Strauss wrote: > > > The next standard size smaller than 3.3mm is #30 which is 0.129 rather > > than 0.125. > > > I meant to say that I had on site. My #30 is already used up in two > different number drill sets. The 1/8" is working well after I wrote a > peck routine to keep the hole fairly clean. And I've rigged a 5/16" 8 > point socket and a drill with a hammer clutch to run the drawbolt. So > next is to merge the 3 routines and setup the tool table a little > better, so I can do the 3 operations for this stage in one swell foop, > with tool changes separating the operations. It takes me at least 20 > secs to select the next operation from the recent menu. My mouse is too > fast and goes off target too easily. So that wastes at least a minute as > opposed to unpausing it after the tool has been changed. Might be a > keyboard short cut that would be faster, something that opens the recent > menu, then lets you select #3 because the next in the sequence is always > #3. But I'm not familiar with 2/3ds of the keyboard stuffs. Is that in > the docs? > > I've a bunch of taps, so I'm making enough to hold all the good ones, for > some definition of good. ;-) > > Just over half done, out of 52 brass slugs I cut, 25 to go, but its now > going a lot faster since I rigged up a drill to run the drawbolt. And > managed to get some go2 to hold the tap at an almost fixed TLO in a 3/16 > R8. Ack ups I should have some more tooling here tomorrow evening. > Whether its the right stuff is TBD. > > Thanks Ken. > > > > -----Original Message----- > > > From: Gene Heskett [mailto:ghesk...@shentel.net] > > > Sent: Tuesday, April 10, 2018 4:25 PM > > > To: Enhanced Machine Controller (EMC) > > > Subject: [Emc-users] depth stops for R8 while making tap hats? > > > > > > Hi guys; > > > > > > I find, at least for the remainder of this project, that I need some > > > sort > > > > of a > > > > > depth stop to reliable reposition the 4mm tap I'm useing, currently > > > in a > > > > 3/16" > > > > > R8 collet. A collar on the tap would work but I've not been able to > > > locate > > > > a > > > > > suitable one. I've got the tap in a glob of g02 with the r8 > > > tightened on > > > > it, but > > > > > the 3/16 R8 will likely spring it loose as theres quite a bit of > > > collapse > > > > by the > > > > > time Its got a good enough grip on the tap. > > > > > > Anybody else have a better idea for a depth stop? > > > > > > And looking around for another 3.3mm tap drill, which is > > > 0.129921259842519685", its apparent that the next drill down is a > > > 1/8", > > > > and > > > > > the tap will tolerate that .004 undersize ok in brass. But I found > > > some 3.3mm's over in Andy's stomping grounds on ebay, in 10 packs, > > > and here about 2 weeks faster than the Chinese versions, but fleabay > > > has been > > > > playing > > > > > with their card processing (again), giveing no opportunity to adjust > > > the number of 10 packs, so I only have 1 pack of 10 coming. I sent > > > ebay a mild nastygram because I really wanted 2 packs to save a few > > > cents on postage. > > > > > > That teeny little 8mm square butt on the drawbolt is a PITA, too > > > small to easily spin with fingers after its been loosened with that > > > watch makers > > > > sized > > > > > wrench, but I just found a 5/16" 8 point socket on a 1/4" adapter in > > > an 18 > > > > volt > > > > > sorta hammer drill works, and if I can get the tap depth fixed, then > > > I can > > > > series > > > > > all three operations into one file with tool changes between them. > > > With > > > > the > > > > > drill to run the drawbolt, that ought to triple the production speed > > > for > > > > these > > > > > things. > > > > > > If anyone ever designs a tool changer for a G0704 that doesn't > > > impinge on > > > > its > > > > > working envelop, plz advise. > > > > > > What I've done so far looks good. I'd go on and actually mount this > > > tap in > > > > the > > > > > first one, but I'd likely loose the current home+touch-off offsets > > > of the > > > > current > > > > > setup. Or maybe I could setup the next 2 or 3 coordinate maps? > > > Thats a thought... mumble mumble... > > > > > > -- > > > 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 > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ---------------------------------------------------------------------- > >-------- 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 > > Emc-users@lists.sourceforge.net > > 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 > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
