HEIDENHAIN TNC 320 User Manual page 221

Example: Roughing and finishing superimposed contours with the contour formula
0 BEGIN PGM CONTOUR MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-40
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL DEF 1 L+0 R+2.5
4 TOOL DEF 2 L+0 R+3
5 TOOL CALL 1 Z S2500
6 L Z+250 R0 FMAX
7 SEL CONTOUR "MODEL"
8 CYCL DEF 20 CONTOUR DATA
Q1=-20 ;MILLING DEPTH
Q2=1 ;TOOL PATH OVERLAP
Q3=+0.5 ;ALLOWANCE FOR SIDE
Q4=+0.5 ;ALLOWANCE FOR FLOOR
Q5=+0 ;SURFACE COORDINATE
Q6=2 ;SET-UP CLEARANCE
Q7=+100 ;CLEARANCE HEIGHT
Q8=0.1 ;ROUNDING RADIUS
Q9=-1 ;DIRECTION
HEIDENHAIN TNC 320
Definition of workpiece blank
Tool definition of roughing cutter
Tool definition of finishing cutter
Tool call of roughing cutter
Retract the tool
Specify contour definition program
Define general machining parameters
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