很多人不知道数控车简单零件的集成编程。这里有一个数控车简单零件集成编程的例子。
确定加工路线:按照“先主后次,先粗加工,后精加工”的加工原则确定加工路线,利用固定循环指令粗加工外轮廓,然后转回刀槽,再加工螺纹,最后切断。
装夹方式及刀点选择:采用三爪自定心卡盘自定心装夹,刀点选择在工件右端面与旋转轴的交点处。
刀具的选择:
根据加工要求,选择四把刀具,1号为粗外圆车刀,2号为精外圆车刀,3号为切槽刀,4号为车螺纹刀。
使用试切法对刀,对刀的同时加工端面。
每次操作的切削参数:
加工操作
刀具数量
刀具类型
。Br/]
[/Br/]
[/Br/]
粗车外圆[/Br/]
[/Br/]t1
Br/]
[/Br/]
精车外圆[/Br/]
[T2[/Br/]
[/Br/]凹[/Br/]
[/Br/]
T4[/Br/]
螺纹刀[/Br/][/Br/]
Br/]
T3[/Br/]
[/Br/][/Br/]
开槽刀[/Br/]
336[/Br/]
。
程序,确定工件右端面与轴线的交点O为编程原点,零件的加工程序如下:
程序
说明
]N1;
工艺(1)轮廓粗加工
g 40g 97g 99t 0101;
M43;
M03;
g00x 40.0 z 1.0;
g71u 1.5 r 0.5;
g 71 p 10 q 11 u 0.5 w 0.1 f 0.15;
n 10g 00g 42 x 0;
g01z 0;
x 19.8
x 27.8 z-20.0;
x 28.0;
Z-45.0;
x 36.0 z-50.0;
Z-59.0;
n11g 04 x 40.0;
g00x 100.0 z 100.0;
N2;
过程(二)整理大纲
t 0202;
M44;
g00x 40.0 z 1.0;
g 70 p 10 q 11 f 0.08;
g00x 100.0 z 100.0;
N3;
工艺(3)切槽
t 0303;
M43;
g00x 30.0 z-24.0;
g01x 24.0 f 0.05;
g01x 30.0 f 0.2;
g00x 100.0 z 100.0;
N4;
工艺(四)加工锥螺纹和凹弧
t 0404;
M41;
g00x 30.0 z 5.0
g92x 28.4 z-22.0 r-5.4f 1.5;
x 27.8;
x 27.4;
x 27.2;
x 27.0;
x 26.9;
x 26.85;
x 26.85;
g00x 32.0;
Z-27.0;
M44;
m98p 041234;
调用子程序O1234四次加工凹弧面
g00x 100.0 z 100.0;
N5;
工艺(5)切断工件
t 0303;
M43;
g00x 40.0 z-59.0;
g75r 0.5;
g 75 x0p 2000 f 0.05;
g00x 100.0 z 100.0;
M05;
M30;
程序结束
O122
子程序
G01U-1.0f 0.1;
刀具每次径向进给1mm加工凹圆弧面
g02u 0w-18.0 r 20.0;
g01u 3.0 f 0.5;
w 18.0;
U-3.0;
M99;
子例程调用结束。
圆柱台加工程序:
o 0001;
G90 G94 G40 G17 G21;
G91 G28 Z0;
G90 G54 M3 S350;
G00 x 62.0 Y0;
z 5.0;
G01 Z-4.0 F52;
G41 D02 G01 x 47.0 Y0 F52;
G02 I-47.0 J0;
G40 G01 x 62.0 Y0;
G41 D02 G01 x 31.0 YO;
G02 I-31.0 J0;
G40 G01 x 62.0 Y0;
G41 D02 G01 x 15.0 Y0;
G02 I-15.0 J0;
G40 G01 x 62.0 Y0;
G00 z 20.0;
G91 G28 Z0;
M30;
(2)外轮廓加工程序
o 0002;
G90 G94 G40 G17 G21;
G91 G28 ZO;
G90 G54 M03 S350;
G00 X-62.0y 52.0 M08;
z 5.0;
G01 Z-9.0 F52;
G41 D02 G01 X-40.0y 30.0 F52;
G01 X-20.0y 30.0;
x 30.0;
g02x 40.0y 20.0 r 10.0;
g01y-20.0;
G02 x 30.0Y-30.0 r 10.0;
G01 X-30.0;
g02x-40.0Y-20.0 r 10.0;
G01 y 10.0;
G03 X-20.0y 30.0 r 20.0;
G40 G01 X-62.0y 52.0;
G00 z 20.0 M09;
G91 G28 Z0;
M30;
粗加工时, Phi20,刀具号为T02,刀具半径补偿号为D02,补偿值为10.2mm(0.2mm为精加工余量)。
结束时,选择 Phi2、刀具号为T03,刀具半径补偿号为D03,补偿值为6mm。
钻孔和攻丝程序:
o 0001;
G91 G28 Z0;
M06 T1;
G90 G17 G49 G21 G94;
G54 M3 s 1200;
G00 x 20.0y 100.0 M08;
G43 H01 G00 z 50.0;
G99 G81 X-15.0y 65.0 Z-4.0 r 5.0 F80;
G98 X-30.0;
G00 X-120.0;
y 15.0;
G99 G81 X-85.0y 15.0 Z-4.0 r 5.0 F80;
G98 X-70.0;
G91 G28 Z0 M09;
m06t 02;
G90 G49 G54 M3 S550;
G00 x 20.0y 100.0 M08;
G43 H02 G00 Z50。;
G99 G73 X-15.0y 65.0 Z-20.0 r 5.0 q 2.0 F60;
G98 X-30.0;
G00 X-120.0;
y 15.0;
G99 G73 X-85.0y 15.0 Z-20.0 r 5.0 q 2.0 F60;
G98 X-70.0;
G91 G28 Z0 M09;
m06t 03;
G90 G49 G54 M3 S500;
G00 x 20.0y 100.0 M08;
G43 H03 G00 Z50。;
G98 G83 X-30.0y 65.0 Z-21.0 r 5.0 q 2.0 F60;
G00 X-120.0;
y 15.0;
G98 G83 X-70.0y 15.0 Z-21.0 r 5.0 q 2.0 F60;
G91 G28 Z0 M09;
m06t 04;
G90 G49 G54 M3 S450;
G00 x 20.0y 100.0 M08;
G43 H04 G00 Z50。;
G98 G81 X-15.0y 65.0 Z-21.0 r 5.0 F50;
G00 X-120.0;
y 15.0;
G98 G81 X-85.0y 15.0 Z-21.0 r 5.0 F50;
G91 G28 Z0 M09;
m06t 05;
G90 G49 G54 M3 S350;
G00 x 20.0y 100.0 M08;
g43h 05 G00 z 50.0;
G99 G82 X-15.0y 65.0 Z-6.0 r 5.0 p 2000 F60;
G98 X-30.0;
G00 X-120.0;
y 15.0;
G99 G82 X-85.0y 15.0 Z-6.0 r 5.0 p 2000 F60;
G98 X-70.0;
G91 G28 Z0 M09;
m06t 06;
G90 G49 G54 M3 S50;
G00 x 20.0y 100.0 M08;
G43 H06 G00 z 50.0;
G98 G85 X-30.0y 65.0 Z-18.0 r 5.0 F40;
G00 X-120.0;
y 15.0;
G98 G85 X-70.0y 15.0 Z-18.0 r 5.0 F40;
G91 G28 Z0 M09;
m06t 07;
G90 G49 G54 M3 S100;
G00 x 20.0y 100.0 M08;
G43 H07 G00 z 50.0;
G98 G84 X-15.0y 65.0 Z-19.0 r 5.0 F175;
G00 X-120.0;
y 15.0;
G98 G84 X-85.0y 15.0 Z-19.0 r 5.0 F175;
G91 G28 Z0 M09;
M30;