HEIDENHAIN TNC 620 Programming Station User Manual

Subprograms and Program Section Repeats | Programming examples
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
9.6 Programming examples
Example: Milling a contour in several infeeds
Program run:
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
Tool call
4 L Z+250 R0 FMAX
Retract the tool
5 L X-20 Y+30 R0 FMAX
Pre-position in the working plane
6 L Z+0 R0 FMAX M3
Pre-position to the workpiece surface
7 LBL 1
Set label for program section repeat
8 L IZ-4 R0 FMAX
Infeed depth in incremental values (in space)
9 APPR CT X+2 Y+30 CCA90 R+5 RL F250
Contour approach
10 FC DR- R18 CLSD+ CCX+20 CCY+30
Contour
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
Contour departure
18 L X-20 Y+0 R0 FMAX
Retract tool
19 CALL LBL 1 REP 4
Return jump to LBL 1; section is repeated a total of 4 times
20 L Z+250 R0 FMAX M2
Retract the tool, end program
21 END PGM PGMWDH MM

HEIDENHAIN TNC 620 Programming Station Specifications

General

Brand	HEIDENHAIN
Model	TNC 620 Programming Station
Category	Control Systems
Language	English