谁能帮我写一个适合西门子802D的后处理啊

%_N_FF1_MPF
G40 G17 G90 G54 G64
G00 X0.0 Y0.0
G00 X20.135 Y12.47 S2000 M03
Z3.
G01 Y20.83 Z.76 F1500.
X20.144 Y21.038 Z.704
X19.999 Y21.033 Z.665
X13.785 Z-1.
Y15.033
X13.435
。。。
。。。
G03 X23.337 Y9.876 I-12.5 J0.0
G01 X23.224 Y13.908
G03 X23.091 Y15.306 I-10.496 J-.293
X21.499 Y19.891 I-12.355 J-1.72
G01 Y20.836
X21.51 Y21.051
G03 X21.465 Y21.655 I-2.491 J.119
X20.391 Y22.416 I-1.011 J-.289
G01 X20.123 Y22.399
X19.564
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G01 X5.355 Y28.564
Y41.399
Z-24.
G00 Z2.
M05
M30
(TOTAL Machine Time: 4.73 MIN)
(Created by Administrator )

为什么我用CATIA自带的sinumerik850.lib后处理NC也能让802D的使用呢人，