Siemens SINUMERIK 802D sl Programming Manual page 75

04.07
H code for designating the direction of offset
The direction of offset is determined by the sign of tool offset amount, specified by
an H code, and a G code.
Table 3-12
G43
G44
Example of programming
H10 . . . . . . . . . . . . . Offset amount - -3.0
H11 . . . . . . . . . . . . . Offset amount 4.0
N101 G92 Z0;
N102 G90 G00 X1.0 Y2.0;
N103 G43 Z-20. H10;
N104 G0l Z-30. Fl000;
N105 G00 Z0H00;
· ·
· ·
· ·
N201 G00 X-2.0 Y-2.0;
N202 G44 Z-30 Hl1;
N203 G01 Z-40 F1000;
N204 G00 Z0 H00;
Programmed position
Actual tool position
Fig. 3-17 Tool position offset function
S Related Machine data:
$MC_TOOL_CORR_MOVE_MODE defines whether the compensation is
applied in the block containing the selection or the next time the axis is
programmed.
$MC_CUTTING_EDGE_DEFAULT = 0 defines that no tool length compensa-
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SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) - - 04.07 Edition
Sign of tool offset amount and direction of offset
Offset in the positive direc-
tion
Offset in the negative direc-
tion
Position data display
including offset amount
(Z-axis only)
0.000
0.000
- -23.000
- -33.000
0.000
- -34.000
- -44.000
0.000
Programmed position
Actual tool position
- -20.000
- -23.000
- -30.000
- -33.000
Movement Control Commands
3.5 Tool offset functions
Sign of tool offset amount (H code)
Positive
Offset in the negative direc-
tion
Offset in the positive direc-
tion
Negative
- -30.000
- -34.000
- -40.000
- -44.000
3-75