数控机床与数控编程技术 教学课件 作者 廖建刚 倪祥明 主编17课题六 CAM加工.ppt

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1、课题六CAM加工加工中心编程与操作加工图工艺分析工件由薄壁（厚2±0.03）、正方形岛屿（42*42*10）、圆弧型腔、三个孔（Ф12H8）等组成加工内容。型腔底面的平行度要求为0.04。工艺表（1）大平面铣削：刀具为Ф60盘铣刀，保证工件总厚度25.（2）预铣下刀孔：刀具为Ф14键槽铣刀。（3）去内外残料：刀具为Ф16立铣刀。（4）粗铣圆弧型腔：刀具为Ф16立铣刀。（5）粗铣薄壁外侧：刀具为Ф16立铣刀。（6）粗铣薄壁内侧：刀具为Ф10立铣刀。（7）粗铣正方形岛屿：刀具为Ф10立铣刀。工艺表（8）钻中心孔：刀具为Ф5中心钻。（9）钻孔：

2、刀具为Ф11.8麻花钻。（10）铰孔：刀具为Ф12H8铰刀。（11）精铣薄壁外侧：刀具为Ф8立铣刀。（12）精铣薄壁内侧：刀具为Ф8立铣刀。（13）精铣正方形岛屿：刀具为Ф8立铣刀。（14）精铣圆弧型腔：刀具为Ф8立铣刀。数学处理图中相关点的坐标利用CAD软件查找可得。刀路设计大平面铣削刀路设计去残料刀路设计铣薄壁外侧：铣薄壁内侧刀路设计铣正方形岛屿：铣圆弧型腔：刀路设计孔加工程序O1;（FANUC）主程序G91G28Z0M06T01;换Ф60盘铣刀T01，进行大平面铣削N1G54G90G40G49G17M03S600G01G43Z100H

3、01F2000G00X-90Y-25G01Z0G91X150F50Y50X-150G90G00Z100G49Z150M05G91G28Z0M06T02;换Ф14键槽铣刀T02，预铣下刀孔N2M03S600G90G01G43Z100H02F2000G00X0Y0;圆弧型腔中心下刀孔位G01Z1F2000Z-10F50Z1X-10Y39;薄壁内侧下刀孔位Z-10Z1X39Y10Z-10Z1X10Y-39Z-10Z1X-39Y-10Z-10Z1X-29.698Y-20;方形岛屿下刀孔位Z-10Z1G00Z100G49Z150M05G91G28Z0M06T0

4、3;换Ф16立铣刀T03，进行粗加工G54G90G40G49G17M03S600G01G43Z100H03F2000Z1N3;去工件四角残料和内腔残料M98P30F120G68X0Y0R90M98P30G68X0Y0R180M98P30G68X0Y0R270M98P30G69G00X-10Y39G01Z0M98P50010F60G90Z1N4;粗铣圆弧型腔G00Z1X0Y0G01Z0M98P50060G00Z1N5;粗铣薄壁外侧M98P70F120G68X0Y0R90M98P70G68X0Y0R180M98P70G68X0Y0R270M98P70G6

5、9M05G91G28Z0M06T08;换Ф10立铣刀T08G54G90G40G49G17M03S600G01G43Z100H08F2000N6;粗铣薄壁内侧M98P40F120G68X0Y0R90M98P40G68X0Y0R180M98P40G68X0Y0R270M98P40G69N7;粗铣方形岛屿G00X-29.698Y-20G01Z0M98P50050G90G00Z100G49Z150M05G91G28Z0M06T04;换Ф5中心钻T04N8G54G90G40G49G17M03S600G01G43Z100H04F2000G00X-50Y50Z20

6、G98G81X-41.006Y41.006R-8Z-16F60X0Y0X41.006Y-41.006G80G90G00Z100G49Z150M05G91G28Z0M06T05;换Ф11.8麻花钻T05N9G54G90G40G49G17M03S400G01G43Z100H05F2000G00X-50Y50Z20G98G81X-41.006Y41.006R-8Z-30F60X0Y0X41.006Y-41.006G80G90G00Z100G49Z150M05G91G28Z0M06T06;换Ф12H8铰刀T05N10G54G90G40G49G17M03S20

7、0G01G43Z100H05F2000G00X-50Y50Z20G98G85X-41.006Y41.006R-8Z-28F30X0Y0X41.006Y-41.006G80G90G00Z100G49Z150M05G91G28Z0M06T07;换Ф8立铣刀T07，进行精加工G54G90G40G49G17M03S1000G01G43Z100H07F2000N11;精铣薄壁外侧M98P110F120G68X0Y0R90M98P110G68X0Y0R180M98P110G68X0Y0R270M98P110G69N12;精铣薄壁内侧M98P120F120G68X

8、0Y0R90M98P120G68X0Y0R180M98P120G68X0Y0R270M98P120G69N1