On Friday 19 April 2019 12:02:07 John Dammeyer wrote: > > -----Original Message----- > > From: Roland Jollivet [mailto:roland.jolli...@gmail.com] > > > > If this is for your BT30 system, making a solid collet is almost > > making a BT30 holder.. > > > > Here's 'This old Tony' making a few ISO30 drawbar tapers; > > https://www.youtube.com/watch?v=a2LcYKi0o3U > > Not really directly LinuxCNC related. > > I have a question in general about the building of the ISO30 units. > Would it not be prudent to first make a ISO30 chuck for the lathe? > One that matches the taper of the milling machine spindle. Then just > cut the tooling in the 3 jaw to first create the taper on each piece. > Once the taper cut and draw bar end is threaded one could install the > ISO30 chuck and mount each blank. The internal bore would then be > concentric with the taper. > > And if you used oil hardening tool steel. Cut the taper and the two > slots. Harden that end and grind the taper smooth. Fit it into the > chuck and bore the tool holders or collet holder side? Or harden the > whole thing and then also finish grind the bore or collet taper with a > tool post grinder on the lathe? > > And if you can create a taper chuck for the lathe is there any reason > one couldn't create a new mill spindle with that taper to replace an > R8 spindle? > And how then do you fix a draw bar holder?
> John > > > > _______________________________________________ > 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> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
