HEIDENHAIN TNC 320 (34055x-06) - Manual (Page 214)

Programming: Programming contours
6.6 Path contours – FK free contour programming
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TNC 320 | User's Manual HEIDENHAIN Conversational Programming | 5/2013
Example: FK programming 1
0 BEGIN PGM FK1 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
Definition of workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S500
Tool call
4 L Z+250 R0 FMAX
Retract the tool
5 L X-20 Y+30 R0 FMAX Pre-position the tool
6 L Z-10 R0 F1000 M3 Move to working depth
7 APPR CT X+2 Y+30 CCA90 R+5 RL F250
Approach the contour on a circular arc with tangential
connection
8 FC DR- R18 CLSD+ CCX+20 CCY+30 FK contour section:
9 FLT
Program all known data for each contour element
10 FCT DR- R15 CCX+50 CCY+75
11 FLT
12 FCT DR- R15 CCX+75 CCY+20
13 FLT
14 FCT DR- R18 CLSD- CCX+20 CCY+30
15 DEP CT CCA90 R+5 F1000
Depart the contour on a circular arc with tangential
connection
16 L X-30 Y+0 R0 FMAX
17 L Z+250 R0 FMAX M2
Retract the tool, end program
18 END PGM FK1 MM