My L00 MT4.5 Clausing 5C adapter sticks out of the spindle a similar amount. It's for the thread protector (which also serves to eject the adapter when you unscrew it.) On Jul 1, 2016 11:02 PM, "Gene Heskett" <[email protected]> wrote:
> Greetings everybody; > > This Sheldon lathe came with an MT5 -> 5C adapter, but the drawtube is a > shop-made thing only half done that I'm putting the handwheel and a > spacer sleeve on to complete it. That MT5-5C adaptor, when seated in the > spindle, projects about 3/4", and has an outer, thicker edge reinforce > that lacks at least 1/2" from being fully seated against the nose of the > spindle. That for starters seems like excess stickout. > > It is also 2.75" long, and this er40 adapter, which I assume is intended > to fit in the usual 5C socket, only has about 5/16" of threads sticking > out the back of the 5C adaptor. I've somewhat completed the drawbar > tube, and made a sleeve with cpvc plastic inserts in each end so that > once I have made a conical nose for one end of it so its well centered > in the rear of the spindle, and made or found a steel washer to protect > the 8x2 handwheel's plastic hub, should fit reasonably well. > > But I don't have enough threads on the 5C->er40 adapter to feel > confortable snugging it up for real. The drawtube screws on, and gets > stopped by running into the back end of the MT5->5C adapter. > > So the question is, is the er40 adaptors rear end too short, or is my > MT5->5C adapter bogus, holding it too far out? Effectively needing a > precision polish to let it sink deeper into the spindle nose, and the > internal 5C taper in its front face expanded at least 20 thou to allow > the adaptor to sit deeper, with more of the er40 adapters threads to > come into use. > > What say the real machinists here? > > 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> > > > ------------------------------------------------------------------------------ > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San > Francisco, CA to explore cutting-edge tech and listen to tech luminaries > present their vision of the future. This family event has something for > everyone, including kids. Get more information and register today. > http://sdm.link/attshape > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries present their vision of the future. This family event has something for everyone, including kids. Get more information and register today. http://sdm.link/attshape _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
