This style would be easier to machine on a mill.
> On 12 Jan 2022, at 08:48, John Dammeyer <jo...@autoartisans.com> 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. > > 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
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