车床数控编程
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车床数控编程
1、工艺分析
1)刀具:外圆车刀I;切槽刀(刃宽3mm)II;螺纹车刀III
夹具:三爪卡盘
2)加工路线
a外轮廓车削:对刀点→切入点1→车倒角→车Φ48外圆柱→车端面→车圆锥段→车Φ62外圆柱→车端面→车倒角→车Φ80外圆柱→车鞍形→车Φ80外圆柱→切出点1→对刀点
b外轮廓车削:对刀点→切入点2→车退刀槽(槽底停5转)→切入点2→对刀点
c外轮廓车削:对刀点→切入点3→车螺纹→切出点3→对刀点
3)加工参数
S1=630r/min;F1=150mm/min;S2=315r/min;F2=70mm/min;S3=90r/min;F3=1.5mm/r
2、数值计算(要在零件图上标出工件坐标系)
(200,60)(42,2)(48,-1)(48,-60)(50,-60)(62,-120)(62,-135)(78,-135)(80,-136)(80,-155)(80,-215)(80,-225)(87,-225)(52,-60)(45,-60)(42.8,2)(42.8,-58)(52,-58)
3、程序代码(西门子802S/C数控系统)
%0001
G54 G00 X200 Z60; M06 T1 D1;
X42 Z2; M03 S630;
G01 X48 Z-1 F150;
Z-60;
X50;
X62 Z-120;
Z-135;
X78;
X80 Z-136;
Z-155;
G02 Z-215 CR=70;
G01 Z-225;
X87;
G00 X200 Z60 M05;
M06 T2 D1; X52 Z-60;
M03 S315;
G01 X45 F70;
G04 S5;
X52;
G00 X200 Z60 M05;
M06 T3 D1;
X42.8 Z2;
M03 S60;
G33 Z-58 K1.5;
G00 X52;
G00 X200 Z60 M05;
M02;