On a machine with a rotary A axis, if I run

G91 A360 X10 F100

  the machine moves 100IPM on the X and the A axis completes a 360 
degree rotation at the same time. If I then run

G91 A360 F100

the machines takes almost 2.5 minutes to complete the rotation, because 
it is only running 100 degrees per minute.

So it seems that the feedrate of the linear axis overrides the feedrate 
of the angular units if a linear move is coordinated with it. Can 
someone confirm this?

Also, this becomes a problem for a CAM program like Aspire when it has 
an angular move without a simultaneous linear move. I was wondering if 
anyone had run across this or if anyone had any thoughts.

 >Len



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