求数控车床，车螺纹（程序例：46M的螺纹单线2.0螺纹＜假设＞，法兰克系统）知道的，麻烦下！

先将要加工螺纹处外径加工到直径45.85mm后，再进行如下螺纹加工：
G00 X150. Z100.；
T0101 M03 S300;
M08；
G00 X50. Z4.;
G92 X45. Z-41. F2.;
X44.3;
X43.9;
X43.6;
X43.4;
M09 M05；
G00 X150. Z100.;
M30

G00 X50 Z4;
G92 X45 Z-41 F2;
X44.3;
X43.9;
X43.6;
X43.4;
G00 X100 Z100;

T0101
M3S800
G00X48.0 Z3.0
G92X45.5 Z-40.0 F2.0
X45.1
X44.8
X44.5
X44.2
X44.0
X44.8
X44.7
X44.5
X44.3
X44.1
X44.0
X43.9
X43.8
X43.7
X43.7
G00X80.0 Z100.0
M5
M30

G92 X45 Z-41 F2;
X44;
X43;