Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT v4.0 Programming Manual page 39

Example Example Example 2 2 2 2 Example
Use the circular interpolation command to program
%3310（Absolute programming）
N1 T0101
N2 M03 S460
N3 G00 X90Z20
N4 G00 X0 Z3
N5 G01 Z0 F100
N6 G03 X30 Z-15 R15
N7 G01 Z-35
N8 X36
N9 G00 X90 Z20
N10 M05
N11 M30
Φ30
Figure 3.8 Circular Interpolation – Example 2
Φ35
R15
35
%3310（Incremental programming）
N1 T0101
N2 M03 S460
N3 G00 X90Z20
N4 G00 U-90 W-17
N5 G01 W-3 F100
N6 G03 U30 W-15 R15
N7 G01 W-20
N8 X36
N9 G00 X90 Z20
N10 M05
N11 M30
35
3. Interpolation Function