Example: Pilot Drilling, Roughing-Out And Finishing Overlapping Contours - HEIDENHAIN TNC 426 B User Manual

Example: Pilot drilling, roughing-out and finishing overlapping contours

0 BEGIN PGM 21 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+6
4 TOOL DEF 2 L+0 R+6
5 TOOL ALL 1 Z S2500
6 L Z+250 R0 F MAX
7 Y L DEF 14.0 ONTOUR GEOMETRY
8 Y L DEF 14.1 ONTOUR LABEL 1 /2 /3 /4
9 Y L DEF 20.0 ONTOUR DATA
Q1=-20 ;MILLING DEPTH
Q2=1 ;TOOL PATH OVERLAP
Q3=+0.5 ;ALLOWAN E FOR SIDE
Q4=+0.5 ;ALLOWAN E FOR FLOOR
Q5=+0 ;SURFA E
Q6=2 ;SET-UP
Q7=+100 ; LEARAN E HEIGHT
Q8=0.1 ;ROUNDING RADIUS
Q9=-1 ;DIRE TION OF ROTATION
10 Y L DEF 21.0 PILOT DRILLING
Q10=5 ;PLUNGING DEPTH
Q11=250 ;FEED RATE FOR PLUNGING
Q13=2 ;ROUGH-OUT TOOL
11 Y L ALL M3
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Define the workpiece blank
Tool definition: drill
Define the tool for roughing/finishing
Call the drilling tool
Retract the tool
Define contour subprogram
Define general machining parameters
OORDINATE
LEARAN E
Cycle definition: PILOT DRILLING
Cycle call: PILOT DRILLING
Y
16 16
100
50
35 65
X
100
8 Programming: Cycles