HEIDENHAIN TNC 430 - Page 329

HEIDENHAIN TNC 426, TNC 430 303
8.6 SL cycles
Example: Pilot drilling, roughing-out and finishing overlapping contours
0 BEGIN PGM C21 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-40 Define the workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL DEF 1 L+0 R+6 Define tool: drill
4 TOOL DEF 2 L+0 R+6 Define the tool for roughing/finishing
5 TOOL CALL 1 Z S2500 Call the drilling tool
6 L Z+250 R0 F MAX Retract the tool
7 CYCL DEF 14.0 CONTOUR GEOMETRY Define contour subprogram
8 CYCL DEF 14.1 CONTOUR LABEL 1 /2 /3 /4
9 CYCL DEF 20.0 CONTOUR DATA Define general machining parameters
Q1=-20 ;MILLING DEPTH
Q2=1 ;TOOL PATH OVERLAP
Q3=+0.5 ;ALLOWANCE FOR SIDE
Q4=+0.5 ;ALLOWANCE FOR FLOOR
Q5=+0 ;WORKPIECE SURFACE COORD.
Q6=2 ;SET-UP CLEARANCE
Q7=+100 ;CLEARANCE HEIGHT
Q8=0.1 ;ROUNDING RADIUS
Q9=-1 ;DIRECTION OF ROTATION
X
Y
35
50
100
100
16
16
R25
65
16
R25