Here is my program I've used many times.
%
O01000 (SPLINE)
#100= 208 (tool start angle m19)
#101= 4.5 (orient inc angle)
#102= 360 / #101 (calculate number of steps)
#105= #100
G91 G28 Z0
G40 G49 G94 G69
G55
G90 G00 X0 Y0 A0 B0
#103= -18. (Y START) (INSIDE OR OUT SIDE SPLINE Y START POSITION )
M97 P10 L1 (NUM OF CUTS)
G91 G28 Z0.
G28 Y0.
M30
N10
T9 M06 G90
M97 P1 L#102
G69
#105= #100
#103= #103 + 0.2 (Y INCREMENT)
M01
M99
N1 G00 G90 Y#103 X0
M19 P#105
G43 H09 Z5.
G01 Z-12. F6000. (DEPTH OF CUT )
G91 Y-1.
G00 G90 Z5.
G91 G68 X0 Y0 R - #101
G90
#105= #105 + #101
M99
%
Andrew
VF3+TRT210, VF3, VF2+HRT160, VF2SS+TR160, VF2SS+TR160, VF5TR, VF5TR, VF2SS+HRT-210HSHS,VF2SS+HRT-210HSHS,VF2SS+HRT-210HSHS