With the following code, generated through the arc wizard
G0 G49 G40 G17 G80 G50 G90
M6 T1(TOOL DIA. 0.25)
G20 (Inch)
M03 S500
G64
G00 G43 H1 Z0.1
X1.125 Y0
G01 Z-0.1 F3
G3 X-1.125 Y0 I-1.125 J0 F5
G00 Z0.1
X1.125 Y0
G01 Z-0.2 F3
G3 X-1.125 Y0 I-1.125 J0 F5
G00 Z0.1
X1.125 Y0
G01 Z-0.25 F3
G3 X-1.125 Y0 I-1.125 J0 F5
G00 Z0.1
M5 M9
M30
I get good movement in the y direction but the x direction does not change until the second half of the arc, ending up with something that looks like a small n.
By the way, it looks and acts fine in Mach3 simulation.
Any ideas?