数控铣作业

N05 G90 G94 G21 G40 G17 ; N10 G92 X0 Y0 Z100.0; N15 M03 S600 M08;

N20 G41 G00 X40.0 Y40.0 D01; N25 G43 Z20.0 H01; N30 G01 Z-5.0 F100; N35 G01 Y10.0; N40 X23.0 ;

N45 G03 X23.0 Y-10.0 R10.0 ; N50 G01 Y-15.0;

N55 G02 X15.0 Y-23.0 R8.0; N60 G01 X10.0 ;

N65 G03 X-10.0 Y-23.0 R10.0; N70 G01 X-15.0;

N75 G02 X-23.0 Y-15.0 R8.0; N80 G01 Y-10.0;

N85 G03 X-23.0 Y10.0 R10.0; N90 G01 Y15.0;

N95 G02 X-15.0 Y23.0 R8.0; N100 G01 X-10.0;

N105 G03 X10.0 Y23.0 R10.0; N110 G01 X15.0;

N115 G02 X23.0 Y15.0 R8.0; N120 G40 G01 X40.0 Y40.0; N125 G49 G00 Z100.0; N130 G00 X100.0 Y100.0; N135 M09; N140 M05; N145 M30; %

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例19：用孔加工固定循环指令加工下图所示的孔。（外轮廓及中心轮廓已加工好。）

工艺分析：

4-φ8孔：钻孔； 4-φ12导柱沉头孔：扩孔； 2-M6螺纹孔：钻孔+攻丝； 2-φ6孔：钻孔

工艺卡

序号 1 2 3 加工内容 钻所有孔的中心孔 钻2-M6螺纹底孔 钻4-φ8孔 刀具号 T01 T02 T03 T04 T05 T06 刀具规格 (mm) φ3 φ5 φ8 φ12 φ5.8 M6 主轴转速(r/min) 1000 800 500 450 800 500 进给速度(mm/min) 30 50 30 60 60 500 4 钻4-φ12导柱沉头孔 5 6

钻2-φ6孔 攻2-M6螺纹孔 2

立式铣床加工程序 % O3319

N5 G54 G90 G80 M03 S1000; N10 G00 X0 Y0 Z100.0;

N20 G99 G81 X-20.0 Y-17.0 Z-2.0 R3.0

(手动换φ12钻头，加工导柱孔) N140 M03 S800;

N145 G99 G82 X-20.0 Y-17.0 Z-4.0 R3.0

P1000 F50.0;

N150 X20.0 Y-17.0; N155 X20.0 Y17.0; N160 G98 X-20.0 Y17.0; F50.0; (钻中心孔) N25 X0 Y-18.0; N30 X20.0 Y-17.0; N35 X25.0 Y6.0; N40 X20.0 Y17.0； N45 X0 Y18.0; N50 X-20.0 Y17.0; N55 G98 X25.0 Y-6.0; N65 G00 X0 Y0 M05; N70 M00;

(手动换φ5钻头，加工螺纹底孔) N75 M03 S700;

N85 G99 G81 X0 Y18.0 Z-15.0 R3.0 F50.0; N90 G98 X0 Y18.0; N95 G00 X0 Y0 M05; N100 M00;

(手动换φ8钻头，加工导柱孔) N105 M03 S800;

N110 G99 G81 X-20.0 Y-17.0 Z-15.0 R3.0

F50.0;

N115 X20.0 Y-17.0; N120 X20.0 Y17.0; N125 G98 X-20.0 Y17.0; N130 G00 X0 Y0 M05; N135 M00;

N165 G00 X0 Y0 M05; N170 M00;

(手动换φ5钻头，加工销钉孔) N175 M03 S1500;

N180 G99 G81 X25.0 Y-6.0 Z-15.0 R3.0

F50.0;

N185 G98 X25.0 Y6.0; N190 G00 X0 Y0 M05; N195 M00;

(手动换M6丝锥，加工螺纹孔，粗牙螺距1)

N175 M03 S500;

N180 G99 G84 X-25.0 Y-6.0 Z-15.0 R8.0

F500.0;

N185 G98 X25.0 Y6.0; N190 G00 X0 Y0 M05; N195 M30;

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加工中心加工程序 % O3320

N05 G94 G97 G21 G40 G49 G80; N10 G54 G91 G28 Z0 T01; N15 G28 X0 Y0; N20 M06;

N25 G90 G43 G29 X0 Y0 Z40.0 H01; N30 M03 S1000 M08 T02; N35 M98 P3321; N40 G49 G00 Z40.0;

N45 G91 G28 Z0 M05 M09; N50 G28 X0 Y0; N60 M06;

N65 G90 G43 G29 X0 Y0 Z40.0 H02; N70 M03 S1000 M08 T03; N75 M98 P3322; N80 G49 G00 Z40.0;

N85 G91 G28 Z0 M05 M09; N90 G28 X0 Y0; N100 M06;

N105 G90 G43 G29 X0 Y0 Z40.0 H03; N110 M03 S1000 M08 T04; N115 M98 P3323; N120 G49 G00 Z40.0;

N125 G91 G28 Z0 M05 M09; N130 G28 X0 Y0; N140 M06;

N145 G90 G43 G29 X0 Y0 Z40.0 H04; N150 M03 S1000 M08 T05; N155 M98 P3324; N160 G49 G00 Z40.0;

N165 G91 G28 Z0 M05 M09; N170 G28 X0 Y0; N180 M06;

N185 G90 G43 G29 X0 Y0 Z40.0 H05; N190 M03 S1000 M08 T06; N195 M98 P3325; N200 G49 G00 Z40.0;

N205 G91 G28 Z0 M05 M09; N210 G28 X0 Y0; N220 M06;

N225 G90 G43 G29 X0 Y0 Z40.0 H06;

N230 M03 S500 M08; N235 M98 P3326; N240 G49 G00 Z40.0;

N245 G91 G28 Z0 M05 M09; N250 G28 X0 Y0; N255 M30; % %

O3321 (钻中心孔)

N20 G99 G81 X-20.0 Y-17.0 Z-2.0 R3.0

F50.0; N25 X0 Y-18.0; N30 X20.0 Y-17.0; N35 X25.0 Y6.0; N40 X20.0 Y17.0 N45 X0 Y18.0; N50 X-20.0 Y17.0; N55 X25.0 Y-6.0; N65 G80; N70 M99; % %

O3322 (手动换φ5钻头，加工螺纹底孔) N85 G99 G81 X0 Y18.0 Z-15.0 R3.0 F50.0; N90 X0 Y18.0; N95 G80; N100 M99; % %

O3323 (手动换φ8钻头，加工导柱孔) N110 G99 G81 X-20.0 Y-17.0 Z-15.0 R3.0 F50.0;

N115 X20.0 Y-17.0; N120 X20.0 Y17.0; N125 X-20.0 Y17.0; N130 G80; N135 M99;

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% %

O3324 (手动换φ12钻头，加工导柱孔) N145 G99 G82 X-20.0 Y-17.0 Z-4.0 R3.0

P1000 F50.0; N150 X20.0 Y-17.0; N155 X20.0 Y17.0; N160 X-20.0 Y17.0; N165 G80; N170 M99; % %

O3325 (手动换φ5钻头，加工销钉孔) N180 G99 G81 X25.0 Y-6.0 Z-15.0 R3.0 F50.0;

N185 X25.0 Y6.0; N190 G80; N195 M99; % %

O3326 (手动换M6丝锥，加工螺纹孔，粗牙螺距)

N180 G99 G84 X-25.0 Y-6.0 Z-15.0 R8.0

F500.0;

N185 X25.0 Y6.0; N190 G80; N195 M99; %

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例29：试用坐标变换指令编写如图所示零件的精加工程序。 % O0029

N05 G90 G94 G21 G40 G17 ; N10 G92 X0 Y0 Z100.0; N15 M03 S600 M08; N25 G00 Z20.0;

N30 M98 P0051; （加工内轮廓A）

N35 G52 X32.5 Y26.5; （建立局部坐标系B） N40 G00 X0 Y0;

N45 G51 X0 Y0 P1100; （放大1.1倍） N50 G68 X0 Y0 R90.0; （旋转90度） N55 M98 P0051; （加工内轮廓B） N60 G69 G50;

N65 G52 X0 Y53.0; （建立局部坐标系C） N70 G00 X0 Y0;

N75 G51 X0 Y0 I-0.75 J-0.75;（放大0.75倍、镜像） N85 M98 P0051; （加工内轮廓C） N90 G50;

N95 G52 X-32.5 Y26.5; （建立局部坐标系D） N105 G51 X0 Y0 P1250; （放大1.25倍） N110 G68 X0 Y0 R270.0; （旋转270度） N115 M98 P0051; （加工内轮廓D） N120 G69 G50; N125 G52 X0 Y0;

N130 G00 Z100.0 M09; N135 M05; N140 M30;

O0051

N150 G00 X-6.0 Y3.0; N160 G01 Z-8.0;

N165 G41 G01 Y0 D01; N170 G03 X6.0 Y0 R-6.0; N175 X18.0 R6.0;

N180 X-18.0 Y0 R18.0; N185 X-6.0 R6.0; N190 G40 G01 Y6.0; N195 Z5.0; N200 M99;

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