I agree it would be nice to change acceleration on the fly based on the G-Code. The AC Servo on the spindle responds really quickly so fast acceleration is really fast. Great for the tapping. Annoying otherwise.
John > -----Original Message----- > From: andrew beck [mailto:[email protected]] > Sent: August-09-21 5:17 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Just a little rigid Tapping Clip. With peck tapping > > Quick answer before I go out. > > Peck Tapping breaks the chip otherwise they can break taps. Eg tap m6 down > 30mm you might break it. But do it in two bites you should be sweet > and rpm is 400. > > If I somehow work out how to know if g33.1 (rigid Tapping is active) and > export that to a python script. Then I can change my spindle acceralation > briefly and tap at 1000rpm with almost no over shoot. The spindle Vfd can > reverse in 120degrees currently at 1500rpm > > But that will take some coding I think. > > I can change acceralation on the fly with custom m codes and halcmd > currently but need to to set it up to automatically change back and forth > if rigid Tapping is active > > > > On Tue, Aug 10, 2021, 11:50 AM John Dammeyer <[email protected]> wrote: > > > Impressive. Lots of questions. > > > > Why did you make two passes? Just because? Seems like the spirals could > > get caught and muck up the threads on the second pass. > > > > Was this steel or aluminium? > > > > What type of coolant are you using? > > > > Do you have an oil separator disk or belt and aeration to keep it from > > getting smelly? > > > > I did my 10-32 tapping at 150 RPM. Still scary how fast it moves up and > > down. > > > > John > > > > > > > > > -----Original Message----- > > > From: andrew beck [mailto:[email protected]] > > > Sent: August-09-21 1:20 PM > > > To: Enhanced Machine Controller (EMC) > > > Subject: [Emc-users] Just a little rigid Tapping Clip. With peck tapping > > > > > > M14x2 spiral flute tap. > > > > > > Rpm 400 > > > > > > Pecking 15mm.total depth 35 > > > > > > I can turn main power off at the wall and it will re line up with tapped > > > threads so long as I leave it in the vice. > > > > > > That's so cool. Love linuxcnc > > > > > > Might try a m20 tap sometime. I have 7.5kw spindle. Be interesting to > > see > > > if it can push it lol > > > > > > https://youtu.be/6QX2Qm3I2Ak > > > > > > _______________________________________________ > > > Emc-users mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
