Siemens SINUMERIK 840D sl Function Manual page 606

Detailed description
2.5 Block search
Type 2 block search with calculation at contour
Example with automatic tool change after block search with active tool management:
1. to 3.
4.
5. to 10.
300
200
100
Figure 2-5
Note
"Search to block end point" with target block N260 would result in Alarm 14040 (circle end
point error).
Part programs for Type 4 and Type 2
PROC WORKPIECE_1
;Main program
...
;Machine contour section 1 with "CUTTER_1"tool
...
N100 G0 G40 X200 Y200
N110 Z100 D0
;End of contour section 1
;
48
Same as example for Type 4 block search
Search to contour, block number N260
Same as example for Type 4 block search
Y
N260
Approach point
0
100
Approach movement for search to contour (target block N260)
Basic logic functions: Mode group, channel, program operation, reset response (K1)
Approach movement
200 300
Tool
change point
(450,300)
X
400
; Deselect radius compensation
; Deselect length compensation
Function Manual, 11/2006, 6FC5397-0BP10-2BA0