Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT v4.0 Programming Manual page 75

Example Example Example Example
Use the constant surface control command
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N1 T0101
N2 G00 X40 Z5
N3 M03 S460
N4 G96 S80
N5 G46 X400 P900
N5 G00 X0
N6 G01 Z0 F60
N7 G03 U24 W-24 R15
N8 G02 X26 Z-31 R5
N9 G01 Z-40
N10 X40 Z5
N11 G97 S300
N12 M30
Figure 6.1 Constant Surface Control – Example
40
31
27
R5
R15
71
6. Spindle Speed Function