4th axis simultaneous moves in Y axis when it shouldn't

[eddwik26]

I wanna be able to use the 4th axis (A-axis) simultaneous but Fusion 360 makes it run Y-axis when it should only use (A,X,Z) axis wich causes crashes etc, i will be posting the model im working with and the post processor i use.

[Arun.rs]

HI @eddwik26 

Thanks for posting.

If the machine is capable of TCP mode (M128) then Y coordinate will taken care by the controller itself and if the machine is not able to perform TCP mode, you have to change like below.

1. Got to line number 263,

Change this :

optimizeMachineAngles2(0); // using M128 mode

To this :

optimizeMachineAngles2(1); // using M128 mode

Save the file and test the NC output carefully.

Regards