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数控车简单零件综合编程实例

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点我头像有激情 2019.08.08 17:29:03 64人看过

2021-09-22T21:41:21最佳经验

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。

操作方法

  • 01

    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。

  • 02

    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。

  • 03

    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

  • 04

    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

参考程序

  • 01

    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Φ20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Φ12的立铣刀,刀具号为T03,刀具半径补偿号为D03,补偿值为6mm。

  • 02

    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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