Programming instructions

NC Programming 17VRS Motion Blocks
4-29
DOK-MTC200-NC**PRO*V17-ANW1-EN-P
Example NC-program for thread-cutting sequences
20 40 60 80 100 120 140
Z
X
[P1]
[P2]
[P7]
[P3]
[P8]
[P4]
[P9]
[P10]
[P5]
[
P6
]
1st Section
2nd Section
20
40
60
80
100
3rd Section
Fig. 4-37: Thread-cutting sequence
Thread lead: 1: 3 mm 2: 5 mm 3: 1 mm
Thread depth: 4 mm Thread depth per cut: 2 mm
NC program:
G00 G54 G90 G06 G08 X60 Z135 S2000 M03 [P1] Starting conditions
G01 X23 F1500 [P2] Infeed for first cut
G33 Z90 K3 P180 [P3] 1st thread section /
1st pass
G33 X38 Z50 K5 [P4] 2nd thread section /
1st pass
G33 Z10 K1 [P5] 3rd thread section /
1st pass
G00 X60 [P6] Withdraw X axis
Z135 [P1] Starting point
G01 X21 F1500 [P7] Infeed for 2nd cut
G33 Z90 K3 P180 [P8] 1st thread section /
2nd pass
G33 X36 Z50 K5 [P9] 2nd thread section /
2nd pass
G33 Z10 K1 [P10] 3rd thread section /
2nd pass
G00 X60 [P6] Withdraw X axis
M05 Spindle OFF
RET Return to start of prog.