> I have searched the net, but have largely come up empty when looking for > a tap holder that actually grabs the square on the butt of the tap. If > I was a tool maker trying to design such a beast, I would first try to > convince the tap makes to standardize the square. I have close to 60 > taps sourced from various places, and I don't think I have 2 taps that > are close enough to the same size that a machined holder could hold > both. > > Tap holding, precisely and repeatably is a problem I would love to solve.
The manual tap holders are adjustable square, there would need to be two or four moving in opposite direction. Ordinary chuck for drill I think have three, remove them, machine two new square shaped probably with a little bit less than 90 degrees to get a good grip and you have an adjustable square tap holder. I guess it would be good with some spring or rubber suspension at least in z-axis to reduce forces from small misalignment within tap, maybe similar as on an axle coupler. Regards Nicklas Karlsson ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785471&iu=/4140 _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers