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数控车简单零件综合编程实例

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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

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

数控车简单零件综合编程实例

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。

数控车简单零件综合编程实例 第2张

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

数控车简单零件综合编程实例 第3张

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

数控车简单零件综合编程实例 第4张

参考程序

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。

数控车简单零件综合编程实例 第5张

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;

数控车简单零件综合编程实例 第6张