HEIDENHAIN TNC 320 (340 551-02) - Manual (Page 285)

HEIDENHAIN TNC 320 285
8.5 SL Cy
cles
Example: Cylinder surface with Cycle 27
Notes:
„ 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 DEF 1 L+0 R+3.5 Define the tool
2 TOOL CALL 1 Y S2000 Call tool, tool axis is Y
3 L Y+250 RO FMAX Retract the tool
4 L X+0 R0 FMAX Position tool on rotary table center
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 PLUNGING
Q12=250 ;FEED RATE FOR MILLNG
Q16=25 ;RADIUS
Q17=1 ;TYPE OF DIMENSION
8 L C+0 R0 FMAX M3 Pre-position rotary table
9 CYCL CALL Call the cycle
10 L Y+250 R0 FMAX M2 Retract in the tool axis, end program
11 LBL 1 Contour subprogram, description of the midpoint path
X
Y
157
52.5
40
35
60
70