After a year after this post, I must say that problem was not solved. I suppose that it could be in postprocesosor. But I don't need it anymore.
I use rhinocam for 4-axis processing.
But I have problem with 4 axis parallel finishing. Problem that after first move form along axis Y, A coordinate is 0 grad. It rapidly moves on nominal speed to 357 grad. Throught my part. Today such mode cutted my part and I want to know, what can I do. I use linux CNC and I haven't adjusted move from 0 to 360 grad in minus. I need it work normally without such thing.
In 4th axis parallel finishing > Cut pattern is setted: Along axis, Zigzag and Low to High. I use mach3 postprocessor.G01 X0.0000 Y22.0000 Z117.0000 A0.000 F3000.Z111.0000 A0.000
Y29.5000 A0.000 F1500.
Y113.2500 A0.000
Y118.2500 A0.000
Y132.0000 A0.000
Y135.1250 A0.000
Y147.0000 A0.000
Y154.5000 A0.000
Y159.5000 A0.000
Y270.0000 A0.000 <- hear starts a problem
Y164.3750 A357.931 F5000. <- rapid move throught all part
Y155.0000 A357.931
Y137.5000 A357.931
Y133.7500 A357.931
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After a year after this post, I must say that problem was not solved. I suppose that it could be in postprocesosor. But I don't need it anymore.