Thanks. I've got some really cheap metric ones coming from amazon. Just for aluminium castings and to play with. John
> -----Original Message----- > From: Dave Cole [mailto:[email protected]] > Sent: July-10-21 10:39 AM > To: [email protected] > Subject: Re: [Emc-users] Runaway PID spindle. > > I think that is a spiral point tap. > The flute is straight along the length of the tap then the flute is is > ground deeper toward the backside of the cutting edge. > > AutomationDirect.com sells some really nice taps for reasonable amounts. > > Dave > > > On 7/9/2021 8:32 PM, John Dammeyer wrote: > > The saying we have on another group is if there aren't pictures it didn't > > happen. I hand held the camera so depth of field is out a > little on the 10-32 screw head and the macro lens is bad for depth of field > as it is. > > > > Short G-Code 200 RPM tapping into really soft aluminium trimmed off an old > > box or something. Not sure if this classifies as a spiral > tip tap but even a forming tap would have pushing this soft metal around. > > > > http://www.autoartisans.com/mill/SpindleControl/Tapping10-32.jpg > > > > John Dammeyer > > > > > > > > > > _______________________________________________ > > 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
