Re. the video, clever, but messy. You always know where the back of the vice is, so; Use a caliper to measure the stock, or the vice gap, and move forward half that amount?
On 22 May 2018 at 15:30, Gene Heskett <ghesk...@shentel.net> wrote: > On Tuesday 22 May 2018 08:12:51 andy pugh wrote: > > > On 22 May 2018 at 09:55, Gene Heskett <ghesk...@shentel.net> wrote: > > > I don't think I've got one of those seesaws, > > > > Steel rule. > > > I still don't have one. Micrometer, dial indicator, or digital caliper do > it here. > > > https://www.youtube.com/watch?v=m3WWoQDGO2c > > Some error, the body of that chuck he has clamped the gage to, is NOT the > bore holding the tap. Its motion will be the centerline of the spindle. > Jaw wear may not be holding the tap dead on. Not to mention that the > tip of the inverted tap he used is forged, not precision ground, and > could easily be off center by more than that. I have some in my > collection that are at least 20 thou off. Flea market stuff I have to > sharpen everytime I use them. > > Theres right, good enough for the girls we go with, and wrong. > > His chances of being wrong are not quite zero but is good enough. My use > of the g38.2 to find locations has worked well for over 15 years as long > as the screws are good. So I'd have to call it good enough for the girls > I've gone with. :) Its allowed me to drill halfway thru a pcb, turn the > pcb over and finish the hole from the other side with no visible offsets > where they meet in the middle of the boards thickness. > > -- > 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