HEIDENHAIN TNC 620 (340 56x-02) Cycle programming - Manual (Page 208)

208 Fixed Cycles: Cylindrical Surface
8.5 Pr
ogr
amming Examples
Example: Cylinder surface with Cycle 28
Note:
„ Machine with B head and C table
„ Cylinder centered on rotary table
„ Datum at center of rotary table
0 BEGIN PGM C27 MM
1 TOOL CALL 1 Y S2000 Call tool, tool axis is Y
2 L X+250 R0 FMAX Retract the tool
3 L X R0 FMAX Position tool on rotary table center
4 CYCL DEF 14.0 CONTOUR GEOMETRY Define contour subprogram
5 CYCL DEF 14.1 CONTOUR LABEL 1
6 CYCL DEF 28 CYLINDER SURFACE Define machining parameters
Q1=-7 ;MILLING DEPTH
Q3=+0 ;ALLOWANCE FOR SIDE
Q6=2 ;SETUP 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
Q20=10 ;SLOT WIDTH
Q21=0.02 ;TOLERANCE Remachining active
7 L C+0 R0 FMAX M3 Pre-position rotary table
8 CYCL CALL Cycle call
9 L Y+250 R0 FMAX M2 Retract in the tool axis, end program
X
Y
157
60
30
20
R7
.5
50