数控车简单零件综合编程实例

如题所述

很多人不了解数控车简单零件综合编程,下面就给大家看一下数控车简单零件综合编程实例。
1、确定加工路线:按先主后次,先粗后精的加工原则确定加工路线,采用固定循环指令对外轮廓进行粗加工,再精加工,然后车退刀槽,再加工螺纹,最后切断。
装夹方法和对刀点的选择:采用三爪自定心卡盘自定心夹紧,对刀点选在工件的右端面与回转轴线的交点。
2、刀具的选择:
根据加工要求,选用四把刀,1号为粗加工外圆车刀,2号为精加工外圆车刀,3号为切槽刀,4号为车螺纹刀。采用试切法对刀,对刀的同时把端面加工出来。
3、各工序的切削参数:
加工工序
刀具号
刀具类型
主轴转速S( )
进给速度F( )
粗车外圆
T1
外圆车刀
336
0.3
精车外圆
T2
外圆精车刀
475
0.08
切退刀槽
T3
切槽刀
336
0.05
车螺纹、凹弧
T4
螺纹刀
170
1.5
切断
T3
切槽刀
336
0.05
4、程序编制,确定工件右端面与轴心线的交点O为编程原点,零件的加工程序如下:
程序
说明
O0004;
N1;
工序(一)外形轮廓粗加工
G40G97G99T0101;
M43;
M03;
G00X40.0Z1.0;
G71U1.5R0.5;
G71P10Q11U0.5W0.1F0.15;
N10G00G42X0;
G01Z0;
X19.8
X27.8Z-20.0;
X28.0;
Z-45.0;
X36.0Z-50.0;
Z-59.0;
N11G01G40X40.0;
G00X100.0Z100.0;
N2;
工序(二)外形轮廓精加工
T0202;
M44;
G00X40.0Z1.0;
G70P10Q11F0.08;
G00X100.0Z100.0;
N3;
工序(三)切槽加工
T0303;
M43;
G00X30.0Z-24.0;
G01X24.0F0.05;
G01X30.0F0.2;
G00X100.0Z100.0;
N4;
工序(四)锥螺纹与凹圆弧加工
T0404;
M41;
G00X30.0Z5.0
G92X28.4Z-22.0R-5.4F1.5;
X27.8;
X27.4;
X27.2;
X27.0;
X26.9;
X26.85;
X26.85;
G00X32.0;
Z-27.0;
M44;
M98P041234;
调用O1234子程序4次加工凹圆弧面
G00X100.0Z100.0;
N5;
工序(五)工件切断
T0303;
M43;
G00X40.0Z-59.0;
G75R0.5;
G75X0P2000F0.05;
G00X100.0Z100.0;
M05;
M30;
程序结束
O1234;
子程序
G01U-1.0F0.1;
刀具每次径向进刀1mm加工凹圆弧面
G02U0W-18.0R20.0;
G01U3.0F0.5;
W18.0;
U-3.0;
M99;
子程序调用结束
5、圆柱台加工程序:
O0001;
G90 G94 G40 G17 G21;
G91 G28 Z0;
G90 G54 M3 S350;
G00 X62.0 Y0;
Z5.0;
G01 Z-4.0 F52;
G41 D02 G01 X47.0 Y0 F52;
G02 I-47.0 J0;
G40 G01 X62.0 Y0;
G41 D02 G01 X31.0 YO;
G02 I-31.0 J0;
G40 G01 X62.0 Y0;
G41 D02 G01 X15.0 Y0;
G02 I-15.0 J0;
G40 G01 X62.0 Y0;
G00 Z20.0;
G91 G28 Z0;
M30;
(2)外轮廓加工程序
O0002;
G90 G94 G40 G17 G21;
G91 G28 ZO;
G90 G54 M03 S350;
G00 X-62.0 Y52.0 M08;
Z5.0;
G01 Z-9.0 F52;
G41 D02 G01 X-40.0 Y30.0 F52;
G01 X-20.0 Y30.0;
X30.0;
G02 X40.0 Y20.0 R10.0;
G01 Y-20.0;
G02 X30.0 Y-30.0 R10.0;
G01 X-30.0;
G02 X-40.0 Y-20.0 R10.0;
G01 Y10.0;
G03 X-20.0 Y30.0 R20.0;
G40 G01 X-62.0 Y52.0;
G00 Z20.0 M09;
G91 G28 Z0;
M30;
粗加工时,选用20的立铣刀,刀具号为T02,刀具半径补偿号为D02,补偿值为10.2mm(0.2mm是精加工余量)。
精加工时,选用12的立铣刀,刀具号为T03,刀具半径补偿号为D03,补偿值为6mm。
6、钻孔、攻丝加工程序:
O0001;
G91 G28 Z0;
M06 T1;
G90 G17 G49 G21 G94;
G54 M3 S1200;
G00 X20.0 Y100.0 M08;
G43 H01 G00 Z50.0;
G99 G81 X-15.0 Y65.0 Z-4.0 R5.0 F80;
G98 X-30.0;
G00 X-120.0;
Y15.0;
G99 G81 X-85.0 Y15.0 Z-4.0 R5.0 F80;
G98 X-70.0;
G91 G28 Z0 M09;
M06 T02;
G90 G49 G54 M3 S550;
G00 X20.0 Y100.0 M08;
G43 H02 G00 Z50. ;
G99 G73 X-15.0 Y65.0 Z-20.0 R5.0 Q2.0 F60;
G98 X-30.0;
G00 X-120.0;
Y15.0;
G99 G73 X-85.0 Y15.0 Z-20.0 R5.0 Q2.0 F60;
G98 X-70.0;
G91 G28 Z0 M09;
M06 T03;
G90 G49 G54 M3 S500;
G00 X20.0 Y100.0 M08;
G43 H03 G00 Z50. ;
G98 G83 X-30.0 Y65.0 Z-21.0 R5.0 Q2.0 F60;
G00 X-120.0;
Y15.0;
G98 G83 X-70.0 Y15.0 Z-21.0 R5.0 Q2.0 F60;
G91 G28 Z0 M09;
M06 T04;
G90 G49 G54 M3 S450;
G00 X20.0 Y100.0 M08;
G43 H04 G00 Z50. ;
G98 G81 X-15.0 Y65.0 Z-21.0 R5.0 F50;
G00 X-120.0;
Y15.0;
G98 G81 X-85.0 Y15.0 Z-21.0 R5.0 F50;
G91 G28 Z0 M09;
M06 T05;
G90 G49 G54 M3 S350;
G00 X20.0 Y100.0 M08;
G43 H05 G00 Z50.0;
G99 G82 X-15.0 Y65.0 Z-6.0 R5.0 P2000 F60;
G98 X-30.0;
G00 X-120.0;
Y15.0;
G99 G82 X-85.0 Y15.0 Z-6.0 R5.0 P2000 F60;
G98 X-70.0;
G91 G28 Z0 M09;
M06 T06;
G90 G49 G54 M3 S50;
G00 X20.0 Y100.0 M08;
G43 H06 G00 Z50.0;
G98 G85 X-30.0 Y65.0 Z-18.0 R5.0 F40;
G00 X-120.0;
Y15.0;
G98 G85 X-70.0 Y15.0 Z-18.0 R5.0 F40;
G91 G28 Z0 M09;
M06 T07;
G90 G49 G54 M3 S100;
G00 X20.0 Y100.0 M08;
G43 H07 G00 Z50.0;
G98 G84 X-15.0 Y65.0 Z-19.0 R5.0 F175;
G00 X-120.0;
Y15.0;
G98 G84 X-85.0 Y15.0 Z-19.0 R5.0 F175;
G91 G28 Z0 M09;
M30;
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