On Tue, 1 Mar 2022 at 22:59, Peter Hodgson <peterjohnhodg...@gmail.com> wrote:
> The problem is that the spindle, run via a VFD needs to turn at only 50 > RPM to be able to have enough velocity on the Z stepper to achieve the > correct pitch and the spindle doesn't seem to be stable enough or have > enough torque at those revs to give a cosistent cut. How many slots in the encoder? It should be possible to turn the spindle by hand and get a stable cut... In fact, turning the spindle by hand might be the answer to the low torque issue. It is something that I have done in the past. (In this video I have actually connected the table lift handle for the mill to the back of the lathe spindle, the motor is turned off: https://youtu.be/T4q8gCpeY1A?t=30 ) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
