Programming Examples - HEIDENHAIN TNC 320 User Manual

8.6

Programming examples

Example: Milling a contour in several infeeds
Program sequence:
Pre-position the tool to the workpiece surface
Enter the infeed depth in incremental values
Contour milling
Repeat infeed and contour-milling
0 BEGIN PGM PGMWDH MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-40
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S500
4 L Z+250 R0 FMAX
5 L X-20 Y+30 R0 FMAX
6 L Z+0 R0 FMAX M3
7 LBL 1
8 L IZ-4 R0 FMAX
9 APPR CT X+2 Y+30 CCA90 R+5 RL F250
10 FC DR- R18 CLSD+ CCX+20 CCY+30
11 FLT
12 FCT DR- R15 CCX+50 CCY+75
13 FLT
14 FCT DR- R15 CCX+75 CCY+20
15 FLT
16 FCT DR- R18 CLSD- CCX+20 CCY+30
17 DEP CT CCA90 R+5 F1000
18 L X-20 Y+0 R0 FMAX
19 CALL LBL 1 REP 4
20 L Z+250 R0 FMAX M2
21 END PGM PGMWDH MM
TNC 320 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
Programming examples
Tool call
Retract the tool
Pre-position in the working plane
Pre-position to the workpiece surface
Set label for program section repeat
Infeed depth in incremental values (in space)
Contour approach
Contour
Contour departure
Retract tool
Return jump to LBL 1; section is repeated a total of 4 times
Retract the tool, end program
8
8.6
263