NCT program example to show how to drill a part of a circle with G81 drilling cycle and G15 G16 Polar Coordinate Commands.

Contents

## G Codes

G Code | Function |
---|---|

G15 | polar coordinate command cancel |

G16 | polar coordinate command |

G81 | drilling, spot boring cycle |

## NCT Program Example

%O7074(7.4) N100 T1 N110 G54 G0 X0 Y0 N120 G43 Z50 H1 N130 S1000 M3 M8 N140 G16 G0 X50 Y-10 N150 G81 X50 YI10 R2 Z-10 L10 N160 G80 G15 N170 G0 Z100 N180 M30 %