Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT v4.0 Programming Manual page 92

Example Example Example Example 3 3 3 3
Use G80 command to
machining.
Figure 9.5 Internal Diameter/Outer Diameter Cutting Cycle – Example 3
%3322
N1 T0101
N2 M03 S460
N3 G00 X100 Z40
N4 X40 Z3
N5 G80 X31 Z-50 F100
N6 G80 X25 Z-20
N7 G80 X29 Z-4 I-7 F100
N8 G00 X100 Z40
N9 T0202
N10 G00 X100 Z40
N11 G00 X14 Z3
N12 G01 X24 Z-2 F80
N13 Z-20
N14 X28
N15 X30 Z-50
N16 G00 X36
N17 X80 Z10
N18 M05
N19 M30
machine the tapered part in two steps
Φ Φ
30 28
9. Functions to Simplify Programming
– rough machining and finish
2×45°
Φ
24 Φ
35
20
50
88