HEIDENHAIN TNC 426 (280 476) - Manual (Page 328)

HEIDENHAIN TNC 426, TNC 430 301
8.6 SL c
y
cles
Example: Roughing-out and fine-roughing a pocket
0 BEGIN PGM C20 MM
1 BLK FORM 0.1 Z X-10 Y-10 Z-40
2 BLK FORM 0.2 X+100 Y+100 Z+0 Define the workpiece blank
3 TOOL DEF 1 L+0 R+15 Tool definition: coarse roughing tool
4 TOOL DEF 2 L+0 R+7.5 Tool definition: fine roughing tool
5 TOOL CALL 1 Z S2500 Tool call: coarse roughing 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
9 CYCL DEF 20.0 CONTOUR DATA Define general machining parameters
Q1=-20 ;MILLING DEPTH
Q2=1 ;TOOL PATH OVERLAP
Q3=+0 ;ALLOWANCE FOR SIDE
Q4=+0 ;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
30
30
R30
R20
60°
55
10
10