HEIDENHAIN TNC 410 - Manual (Page 271)

12 3-D Touch Probes 258
12.3 Measur
ing Wo
rkpieces with a 3-D
Touc
h
P
robe
Example: Measuring the height of an island on a workpiece
Program sequence
■ Assign the program parameters
■ Measure the height with the REF PLANE cycle
■ Calculate the height
X
Y
20
50
10
50
Z
Y
10
BEGIN PGM 3DPROBE MM
1 FN 0: Q11 = +20
2 FN 0: Q12 = +50
3 FN 0: Q13 = +10
4 FN 0: Q21 = +50
5 FN 0: Q22 = +10
6 FN 0: Q23 = +0
7 TOOL CALL 0 Z
8 L Z+250 R0 F MAX
9 L X+Q11 Y+Q12 R0 FMAX
10 TCH PROBE 0.0 REF. PLANE Q10 Z-
11 TCH PROBE 0.1 Z+Q13
12 L X+Q21 Y+Q22 R0 FMAX
13 TCH PROBE 0.0 REF. PLANE Q20 Z-
14 TCH PROBE 0.1 Z+Q23
15 FN 2: Q1 = +Q20 - +Q10
16 STOP
17 L Z+250 R0 FMAX M2
END PGM 3DPROBE MM
1st touch point: X coordinate
1st touch point: Y coordinate
1st touch point: Z coordinate
2nd touch point: X coordinate
2nd touch point: Y coordinate
2nd touch point: Z coordinate
Call touch probe
Retract touch probe
Pre-position for first measurement
Measure upper surface of the workpiece
Pre-position for second measurement
Measure the depth
Calculate the absolute height of the island
Interrupt program run: check Q1
Retract the tool, end of program