HEIDENHAIN TNC 426 B User Manual

8 Programming: Cycles
206
Example: Pilot drilling, roughing-out and finishing overlapping contours
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
Cycle definition: PILOT DRILLING
Cycle call: PILOT DRILLING
0 BEGIN PGM C21 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 CALL 1 Z S2500
6 L Z+250 R0 F MAX
7 CYCL DEF 14.0 CONTOUR GEOMETRY
8 CYCL DEF 14.1 CONTOUR LABEL 1 /2 /3 /4
9 CYCL DEF 20.0 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 OF ROTATION
10 CYCL DEF 21.0 PILOT DRILLING
Q10=5 ;PLUNGING DEPTH
Q11=250 ;FEED RATE FOR PLUNGING
Q13=2 ;ROUGH-OUT TOOL
11 CYCL CALL M3
X
Y
35
50
100
100
16
16
R25
65
16
R25
8.5 SL Cycles
kkap8.pm6 30.06.2006, 07:03206
www.EngineeringBooksPdf.com

HEIDENHAIN TNC 426 B Specifications

General

Brand	HEIDENHAIN
Model	TNC 426 B
Category	Control Systems
Language	English