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端面车削循环G81

1.端面车削循环

1)平端面车削循环

       格式:G81 X___Z___F

其轨迹如图5-3所示,由4个步骤组成。图中1R)表示第一步快速运动。2F)表示第二步按进给速度切削,其余3F)、4R)的意义相同。

                    5-3

2)锥面车削循环

      格式:G81X___Z___K___F

其轨迹如图5-4所示,由4个步骤组成。

                   5-4

 

2.G81编程实例

5-7                                       5-8

 

 

 

 

 

 

 

 

5-7加工程序                              5-8加工程序

%123                                         %1234

N1 M03 S600 G95 T0202                    N1 M03 S700 G95 T0101 G90

N2 G0 X65 Z24                            N2 G00 X60 Z45

N3 G91 G81 X-15 Z-8 F0.1                 N3 G81 X25 Z31.5 K-3.5 F0.15
N4 X-15 Z-11                             N4 X25 Z29.5 K-3.5
N5 X-15 Z-14                             N5 X25 Z27.5 K-3.5
N6 G0 X100 Z100                          N6 X25 Z25.5 K-3.5
N7 M30                                   N7 G0 X100 Z100  N8 M30