HEIDENHAIN TNC 640 (34059x-01) Cycle programming - Manual (Page 208)

208 Fixed Cycles: Cylindrical Surface
8.5 Pr
ogr
amming Examples
8.5 Programming Examples
Example: Cylinder surface with Cycle 27
Note:
„ Machine with B head and C table
„ Cylinder centered on rotary table
„ Datum is on the underside, in the center of the
rotary table
0 BEGIN PGM C27 MM
1 TOOL CALL 1 Z S2000 Tool call: Diameter 7
2 L Z+250 R0 FMAX Retract the tool
3 L X+50 Y0 R0 FMAX Pre-position tool at rotary table center
4 PLANE SPATIAL SPA+0 SPB+90 SPC+0
TURN MBMAX FMAX Positioning
5 CYCL DEF 14.0 CONTOUR GEOMETRY Define contour subprogram
6 CYCL DEF 14.1 CONTOUR LABEL 1
7 CYCL DEF 27 CYLINDER SURFACE Define machining parameters
Q1=-7 ;MILLING DEPTH
Q3=+0 ;ALLOWANCE FOR SIDE
Q6=2 ;SET-UP CLEARANCE
Q10=4 ;PLUNGING DEPTH
Q11=100 ;FEED RATE FOR PLNGNG
Q12=250 ;FEED RATE FOR MILLING
Q16=25 ;RADIUS
Q17=1 ;TYPE OF DIMENSION
C
Z
157
60
30
20
R7
.5
50