I have tapped up to about 18mm And usually 450 rpm.
I can tap up to about 800 though. Higher rpm overshoots the bottom of the hole so you have to account for that a bit This is a 7.5kw motor On Thu, 29 May 2025, 17:32 John Dammeyer, <jo...@autoartisans.com> wrote: > > From: andrew beck [mailto:andrewbeck0...@gmail.com] > > > > I run a 1000ppr encoder normally on the CNC mills as they run up to 10 k > > rpm and max count rates get a bit crazy over that. > > > > On the CNC lathe 3000 rpm max I have a 2500ppr encoder. > > > > Both option work perfectly with rigid tapping. > > > > I have never used a floating tap holder ( just straight in a normal > collet.) > > > > And tapped thousands of holes so it must be tapping perfectly. > > > > Thanks Andrew. Quick question. What size taps for ridged tapping have you > run and what RPM? > Thanks > John > > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
