On Wednesday, January 12, 2022 3:47:37 AM EST John Dammeyer wrote: > So my Collet chuck arrived a week or so ago. Today the ER-32 collet > set arrived. I no longer have an excuse for not completing my 4th > axis driven by a real harmonic drive. (Well it is raining and can't > cast). So I have drawn up the face plate adaptor and that looks to be > a pretty easy LCNC project for the mill plus a bit of lathe work. > > However, I foolishly did not order a collet wrench. This seems to > overall be a pretty easy CNC project with the exception of the 'teeth' > that engage the collet. I suppose I could mill out the profiles in > some oil hardening steel, then file the teeth to have straight edges. > Finally harden it. > > Alternatively make it out of 1/4" or so steel plate (or even aluminium) > and drill and tap holes for screws to protrude out where the teeth > are. Turn down the screw ends to be smooth or even square and lock > the screws in place.
I don't see any good reason that wouldn't work. > Looking for suggestions here. Don't really want to wait 2 months for > one wrench with either low price and horrendous shipping or high price > and low shipping. Cost ends up being the same at about $28. > > Thanks, > John I'd think, at 3/8" thick, designed in openscad, printed in PETG, might get you by until a good real one arrives. I'm late to this party, my e-mail server was one that got attacked last wed morning at 3AM, and is just now coming back to life. 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, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis 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
