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1、课题五孔系加工加工中心编程与操作加工图工艺分析图样中四孔为导柱孔,其孔距及孔边距要求较高。孔的轴线对工件底面的垂直度公差为Ф0.04,孔表面粗糙度要求为Ra3.2。其加工工艺过程如下:钻中心孔----钻孔----镗孔----铰孔工艺顺序号加工内容刀号刀具规格与类型SFH加工深度1钻中心孔T1Ф5中心钻120050H0162钻孔T2Ф14.5麻花钻40080H02353镗孔T3Ф14.8镗刀40040H02314铰孔T4Ф15H7铰刀12040H0333刀路设计及数学处理定位点坐标为(10,15)(10,65)。四孔相对坐标(-25,0)(-90,0)(-25,
2、0)(-90,0)加工程序FANUC系统的加工程序如下:O1M06T01换Ф5中心钻,钻中心孔G54G90G40G49G17N1M03S1200G01G43Z100H01F2000Z20G99G81Z-6R3F50L0M98P10G80G01Z100F2000G49Z150M05N2M06T02换Ф14.5麻花钻钻孔G54G90G40G49G17M03S400G01G43Z100H02F2000Z20G99G73Z-35R3Q6F80L0M98P10G80G01Z100F2000G49Z150M05N4M06T03换Ф14.8镗刀镗孔G54G90G40G49G
3、17M03S400G01G43Z100H03F2000Z20G99G85Z-31R3F40L0M98P10G80G01Z100F2000G49Z150M05N4M06T04换Ф15H7铰刀铰孔G54G90G40G49G17M03S120G01G43Z100H04F2000Z20G99G81Z-33R3F40L0M98P10G80G01Z100F2000G49Z150M05M30O10孔定位子程序G90X10Y15L0G91X-25右下角孔X-90左下角孔G90X10Y65L0G91X-25右上角孔X-90左上角孔G90M99SIEMENS系统的加工程序如下:L
4、JXG54G17G90G40N1T1D1G01Z20F2000M03S1200F50G00X10Y15MCALLCYCLE81(10,0,3,,6)G91X-25X-90MCALLX10Y65MCALLCYCLE81(10,0,3,,6)G91X-25X-90MCALLG00Z100M05N2T2D1G01Z20F2000M03S400F80G00X10Y15MCALLCYCLE83(10,0,3,,35,,5,6,,,80,0)G91X-25X-90MCALLX10Y65MCALLCYCLE83(10,0,3,,35,,5,6,,,80,0)G91X-25X
5、-90MCALLG00Z100M05N3T3D1G01Z20F2000M03S400F40G00X10Y15MCALLCYCLE85(10,0,3,,31,40,40)G91X-25X-90MCALLX10Y65MCALLCYCLE85(10,0,3,,31,40,40)G91X-25X-90MCALLG00Z100M05N4T4D1G01Z20F2000M03S120F40G00X10Y15MCALLCYCLE85(10,0,3,,33,40,40)G91X-25X-90MCALLX10Y65MCALLCYCLE85(10,0,3,,33,40,40)G91
6、X-25X-90MCALLG00Z100M05M02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3、测量6、精加工