Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT v4.0 Programming Manual page 106

Example Example Example Example 2 2 2 2
The initial point A is (6, 3). The depth of cut is 1.5mm (radius designation). The retraction
amount is 1mm. The finishing allowance in the X direction is 0.6mm, and the finishing
allowance in the Z direction is 0.1mm. The dashed line stands for the original part.
Figure 9.19 Internal Diameter Removal without Groove – Example
%3326
N1 T0101
N2 G00 X80 Z80
N3 M03 S400
N4 X6 Z5
G71U1R1P8Q16X-0.6Z0.1 F100
N5 G00 X80 Z80
N6 T0202
N7 G00 G41X6 Z5
N8 G00 X44
N9 G01 Z-20 F80
N10 U-10 W-10
N11 W-10
N12 G03 U-14 W-7 R7
N13 G01 W-10
N14 G02 U-10 W-5 R5
N15 G01 Z-80
N16 U-4 W-2
N17 G40 X4
N18 G00 Z80
N19 X80
N20 M30
52
35
25
R5
2×45
°
9. Functions to Simplify Programming
82
62
R7
102