HEIDENHAIN TNC 320 (340 55x-04) Cycle programming - Manual (Page 206)

206 Fixed Cycles: Cylindrical Surface
8.5 Pr
ogr
amming Examples
8.5 Programming Examples
Example: Cylinder surface with Cycle 27
Notes:
„ Machine with B head and C table
„ Cylinder centered on rotary table
„ Datum at center of rotary table
„ Description of the midpoint path in the
contour subprogram
0 BEGIN PGM C28 MM
1 TOOL CALL 1 Y S2000 Call tool, tool axis is Y
2 L Y+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 27 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
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
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