On Sunday 16 July 2017 19:13:42 Trent Hejazi wrote: > That¹s another direction I want to try. Basically, a cat head riding > in a ball bearing that mounts in the steady rest.
Not familiar with the term "cat head", 'splain plz. Preferably with a link to a pix? > This would allow me > to center a barrel by using the DTI inside a chamber or muzzle, where > I cannot otherwise take a skim cut while supporting on a center or run > it through the headstock. Should save some time and frustration. > > Marshall > > On 7/16/17, 6:00 PM, "Chris Albertson" <[email protected]> wrote: > >Why not ball bearings? Then there is no relative movement between > > the rest > >and the part. > > > >As for friction of solid fingers > >lowest friction is a lead/copper alloy, next best phosphor bronze. > > Motor oil helps. > > > >On Sat, Jul 15, 2017 at 7:00 PM, Trent Hejazi <[email protected]> wrote: > >> I have brass contact fingers and they work well. When supporting > >> the barrel tennon, they ride on the threads without damaging them. > >> Otherwise, > >> they will always leave an annoying ring on a barrel. Only way to > >> circumvent is to make a collar to slip over barrel, then skim cut > >> concentric with the bore. Other option is to make a set of inboard > >> and outboard cat-heads so you can work near the head stock. This > >> really depends on the spindle bore dia and barrel dimensions you > >> are working with. > >> > >> Marshall > >> > >> On 7/15/17, 8:46 PM, "Gene Heskett" <[email protected]> wrote: > >> >Greetings all; > >> > > >> >My steady rest has steel sliders, which will not do for working on > >> >finished parts. So I need to order a foot of 1/2x1" brass or > >> > copper to make some more better shoes. > >> > > >> >Which will do the least damage to a pre-finished part, such as the > >> > >>fairly > >> > >> >high polished SS barrel? Brass or copper? > >> > > >> >Thanks everybody. > >> > > >> >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 > >> > >> ------------------------------------------------------------ > >> ------------------ > >> 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 > > > >-- > > > >Chris Albertson > >Redondo Beach, California > >--------------------------------------------------------------------- > >----- ---- > >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 > > ---------------------------------------------------------------------- >-------- 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
