1. G Function Description
G68 X0 Y0 R315.;
M98 H100;
G69;
G15;
G00 X-80. Y0.
M98 H200;
G51.1 Y-40.;
M98 H200;
G50;
G90 G81 Z-20. R2. F1000. K0;
G134 X0 Y0 I75. J30. K6;
G137.1 X60. Y-60. I20. J-20. P3 K3;
G80;
M02;
N100
G90 G01 X50. Y9.207;
G03 X50. Y35.793 R50.;
G03 X50. Y54.207 R8.;
M99;
N200
G90 G00 X-70. Y10.;
G91 G03 X-20. R10.;
G03 Y-20. R10.;
G03 X20. R10.;
G03 Y20. R10.;
M99;
// coordinate rotates 315∘
// eighth process
// coordinate rotates cancel
// polar coordinate cancel
// process first “flower”
// symmetry axis Y-40.
// process second “flower”
// mirror image cancel
// start G81 drilling cycle
// circumference hole cycle
// chess type hole cycle
// drilling cycle cancel
// main program end
// orbit sub-program
// sub-program return
// sub-program start (flower)
// sub-program return(flower)
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