Andy, > -----Original Message----- > From: andy pugh [mailto:[email protected]] > On Mon, 25 Nov 2019 at 16:18, Andy Pugh <[email protected]> wrote: > > I think that the blank needs to be presented to the job at the correct > > angle of the tooth form will be distorted due to the length of the > > engagement. > > > > I forgot to say that I also think that the phase of the rotary axis needs > to have an offset proportional to the feed distance added to it. > With a swinging table that is fairly easy. It's not exactly hard with a > compind feed, but you would need a bit of Pythagorus. >
So appears to be easier with the horizontal mill and a ratio between the angular axis and the X axis for a particular tooth valley. Like the way it's done mechanically. Well I did want to build a horizontal mill attachment... but I think I'd better finish the CNC wiring, Spindle AC Servo, Power Draw Bar, Ball Screws, and harmonic Drive mount and face plate first... John > -- > 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, 1916 > > _______________________________________________ > 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
