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14课题四 型腔铣削.ppt

《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14课题四 型腔铣削.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、课题四型腔铣削加工中心编程与操作加工图工艺分析加工内容刀号刀具规格与类型SFDH背吃刀量加工深度1预铣下刀孔T1Ф14键槽铣刀60050H012粗铣80*60槽T2Ф16立铣刀600120D02=8.3H02243粗铣Ф60槽T2Ф16立铣刀600120D02=8.3H02244粗铣岛屿槽T3Ф10立铣刀80080D03=5.2H03245精铣80*60槽T4Ф8立铣刀1000100D04=4.0H04446精铣Ф60槽T4Ф8立铣刀1000100D04=4.0H0412127精铣30*30岛屿T4Ф8立铣刀1000100D0

2、4=4.0H041212数学处理首先计算岛屿槽最窄处与最宽处的宽度。最窄处的宽度：L1=60/2-15/SIN450+8*（1/SIN450-1）=12.102最宽处的宽度：L2=（60-30）/2=15考虑粗加工余量，岛屿槽处应该选用Ф10的平底立铣刀进行粗加工，并用Ф14的键槽铣刀预先铣一个下刀孔，便于直接下刀，提高效率。粗加工刀路设计1、矩形槽：2、圆形槽：3、岛屿槽：程序O1（FANUC）M06T01换Ф14键槽铣刀，预先铣下刀孔G54G90G40G49G17N1M03S600G01G43Z100H01F2000X22

3、.5Y0Z0.5Z-12F50Z0.5F300G00Z100G01G49Z150M05N2M06T02换Ф16立铣刀，粗加工矩形槽和圆形槽G54G90G40G49G17M03S600G01G43Z100H02F2000G00X-30Y20G01Z0F1000M98P20020G01Z10F2000N3G00X-21.7Y0G01Z-4M98P20030G01Z100F1000G49Z150M05N4M06T03换Ф10立铣刀，粗加工岛屿槽G54G90G40G49G17M03S800G01G43Z100H03F2000G00X2

4、2.5Y0G01Z1Z-8F100M98P20040G90G01Z100F2000M05N5M06T04换Ф8立铣刀，精加工各轮廓G54G90G40G49G17M03S1000G01G43Z100H04F2000G00X25Y0G01Z-4F1000D04M98P2000F100N6G01X22.5Y0Z-12G91D04M98P3000F100N7G91D04M98P4000F100D04=4.0G90G01Z100F1000G49Z150M05M30O20；（粗加工矩形槽下刀及光刀子程序）G91G01X60Z-2F40X-

5、60M98P200F120G90G01X25Y0D02M98P2000D02=8.3G01X-30Y20M99O200；（往复走刀子程序）G91G01Y-12X60Y-12X-60Y-12X60Y-4X-60M99O2000；（矩形槽轮廓子程序）G01G41X30Y-10G03X40Y0R10G01Y20G03X30Y30R10G01X-30G03X-40Y20R10G01Y-20G03X-30Y-30R10G01X30G03X40Y-20R10G01Y0G03X30Y10R10G01G40X25Y0M99O30；（粗加工圆形

6、槽下刀子程序）G91G01X43.4Z-2F40X-43.4G90M98P300F120M99O300；（粗加工圆形槽平面走刀子程序）G01X-8G03I8G01X-21.7G03I21.7M99O40；（粗加工岛屿槽中圆形轮廓的下刀子程序）G91G01Z-2F80D03M98P3000D03=5.3M98P4000G90M99O3000（Ф60轮廓子程序）G01G41X2Y-5.5G03X5.5Y5.5R5.5I-30G03X-5.5Y5.5R5.5G01G40X-2Y-5.5M99O4000（30*30岛屿轮廓子程序）G0

7、1G41X-2Y5.5G03X-5.5Y-5.5R5.5G01Y-7G02X-8Y-8R8G01X-14G02X-8Y8R8G01Y14G02X8Y8R8G01X14G02X8Y-8R8G01Y-7G03X5.5Y-5.5R5.5G01G40X2Y5.5M99步骤：1、工件装夹与校正2、对刀3、程序编制、录入与刀路模拟。4、自动加工5、测量6、精加工