On Wed, 10 Apr 2024 at 06:59, John Dammeyer <jo...@autoartisans.com> wrote:
> > Without using G2 or G3 it's really just a triangle isn't it? Move rotary > table distance A and move X axis distance A'. Do it in small enough > increments and you get a spiral. But I feel like I'm missing something > really simple. If there is a rotary table, then if he wanted a 10 turn spiral at 6mm pitch: G1 F100 A3600 Z60 Should be all that is needed. Without a rotary table getting a true spiral is a bit more difficult as the radius of curvature continually changes, not something that G2 and G3 support. I just experimented with polar coordinates, but those only make straight-line moves between endpoints. You can get close with arcs that are set up to be tangent to each other. -- 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
