Application Example - HEIDENHAIN ITNC 530 User Manual

Application example

The contour CONT1.H is to be milled in several infeeds. The TNC
generates the forward file CONT1_fwd.h and the backward file
CONT1_rev.h.
NC blocks
...
5 TOOL CALL 12 Z S6000
6 L Z+100 R0 FMAX
7 L X-15 Y-15 R0 F MAX M3
8 L Z+0 R0 F MAX
9 LBL 1
10 L IZ-2.5 F1000
11 CALL PGM CONT1_FWD.H
12 L IZ-2.5 F1000
13 CALL PGM CONT1_FWD.H
14 CALL LBL 1 REP3
15 L Z+100 R0 F MAX M2
HEIDENHAIN iTNC 530
Tool call
Retract in the tool axis
Pre-position in the plane, spindle on
Approach the starting point in the tool axis
Set a mark
Infeed depth in incremental values
Call the forward program
Infeed depth in incremental values
Call backward program
Repeat pgm part three times starting with block 9
Retract tool, end of program
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