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数控新技术系列课程----螺纹铣削

用一把刀高质量加工多个孔径螺纹

数控新技术系列课程----螺纹铣削

用一把刀高质量加工多个1内螺纹加工示意图右旋螺纹:1234512345PitchPitch左旋螺纹:内螺纹加工示意图右旋螺纹:1234512345PitchPi2螺纹铣对孔径误差要求

DrillTolerances螺纹铣对孔径误差要求

DrillTolerances3Threadmilling

Method,RightHandThread1(6)1.Positionthecutterabovethepredrilledhole23456Threadmilling

Method,Right4Threadmilling

Method,RightHandThread2(6)2.Axialsettingtothreaddepth13456Threadmilling

Method,Right5编程时注意圆周和中心处不同的进给速度圆周进给

(vf)中心点进给

(vfe)vfe=vf(D-d)DD:螺纹直径d:刀具直径利用vfe对圆周进给进行补偿编程时注意圆周和中心处不同的进给速度圆周进给(vf)中心点6右手螺纹的加工编程1.ISOcodeforM6internalthreadmillingwithcompensation:(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..(RPGRvalue)G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G90234561Definitionsother:T=ToolnumberD=Compensationregister

(RPGRvalue)H=ToollengthregisterDefinitionsG/Mcode:G00=RapidfeedG01=FeedG03=Circularinterpolation

counterclockwiseG17=WorkplaneXYG40=Radiuscomp.OutG41=Radiuscomp.InG90=AbsolutepositioningG91=IncrementalpositioningM3=SpindlestartclockwiseM6=Toolchange右手螺纹的加工编程1.ISOcodeforM6in71.Positionthecutterabovethepredrilledhole(M6)T..(Chooseandchangetool)G90G17(absolutepositioning,xyplane)S6508M3(Spindlespeedandspindlestartclockwise)G00G43H..X0.000Y0.000Z2.000(2mmaboveworkpiecesurfaceoncenterlineofthread)

(H=toollength)G00Z-10.500G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G9011.Positionthecutterabovet8ThreadMilling2.Axialsettingtothreaddepth(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91(incrementalpositioning)G00Z-10.500(Movetorequireddepthoncenterlineofthepre-drilledhole)G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G902Method,RightHandThread2(6)ThreadMilling2.Axialsetting933.Smoothengagement,180°.Z=½xP(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..G01X0.000Y2.250F208(Radiuscomp.on)(D=RPGRvalue)G03X0.000Y-5.250Z0.500I0.000J-2.625F25(Movetothecontourstartingpoint)

G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G9033.Smoothengagement,180°.Z1044.Millingofthread360°.Z=1xP(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52(Threadmilling)G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G9044.Millingofthread360°.Z=1145.Retraction180°.Z=½xP(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625

(Moveclearofthecontour)G40G01X0.000Y-2.250(Radiuscomp.off)G00Z8.500G9045.Retraction180°.Z=½xP1266.Threadcompleted(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500(Retractfromthread)G90(Absolutepositioning)66.Threadcompleted13P螺纹铣刀的特别设计CutterDesignThreadhelixisnotgroundonthecutter.Thethreadhelixiscreatedbyz-axismovementP螺纹铣刀的特别设计CutterDesignThread14数控新技术系列课程----螺纹铣削

用一把刀高质量加工多个孔径螺纹

数控新技术系列课程----螺纹铣削

用一把刀高质量加工多个15内螺纹加工示意图右旋螺纹:1234512345PitchPitch左旋螺纹:内螺纹加工示意图右旋螺纹:1234512345PitchPi16螺纹铣对孔径误差要求

DrillTolerances螺纹铣对孔径误差要求

DrillTolerances17Threadmilling

Method,RightHandThread1(6)1.Positionthecutterabovethepredrilledhole23456Threadmilling

Method,Right18Threadmilling

Method,RightHandThread2(6)2.Axialsettingtothreaddepth13456Threadmilling

Method,Right19编程时注意圆周和中心处不同的进给速度圆周进给

(vf)中心点进给

(vfe)vfe=vf(D-d)DD:螺纹直径d:刀具直径利用vfe对圆周进给进行补偿编程时注意圆周和中心处不同的进给速度圆周进给(vf)中心点20右手螺纹的加工编程1.ISOcodeforM6internalthreadmillingwithcompensation:(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..(RPGRvalue)G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G90234561Definitionsother:T=ToolnumberD=Compensationregister

(RPGRvalue)H=ToollengthregisterDefinitionsG/Mcode:G00=RapidfeedG01=FeedG03=Circularinterpolation

counterclockwiseG17=WorkplaneXYG40=Radiuscomp.OutG41=Radiuscomp.InG90=AbsolutepositioningG91=IncrementalpositioningM3=SpindlestartclockwiseM6=Toolchange右手螺纹的加工编程1.ISOcodeforM6in211.Positionthecutterabovethepredrilledhole(M6)T..(Chooseandchangetool)G90G17(absolutepositioning,xyplane)S6508M3(Spindlespeedandspindlestartclockwise)G00G43H..X0.000Y0.000Z2.000(2mmaboveworkpiecesurfaceoncenterlineofthread)

(H=toollength)G00Z-10.500G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G9011.Positionthecutterabovet22ThreadMilling2.Axialsettingtothreaddepth(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91(incrementalpositioning)G00Z-10.500(Movetorequireddepthoncenterlineofthepre-drilledhole)G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G902Method,RightHandThread2(6)ThreadMilling2.Axialsetting2333.Smoothengagement,180°.Z=½xP(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..G01X0.000Y2.250F208(Radiuscomp.on)(D=RPGRvalue)G03X0.000Y-5.250Z0.500I0.000J-2.625F25(Movetothecontourstartingpoint)

G03X0.000Y0.000Z1.000I0.000J3.000F52G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G9033.Smoothengagement,180°.Z2444.Millingofthread360°.Z=1xP(M6)TG90G17S6508M3G00G43H..X0.000Y0.000Z2.000G91G00Z-10.500G41D..G01X0.000Y2.250F208G03X0.000Y-5.250Z0.500I0.000J-2.625F25G03X0.000Y0.000Z1.000I0.000J3.000F52(Threadmilling)G03X0.000Y5.250Z0.500I0.000J2.625G40G01X0.000Y-2.250G00Z8.500G9044.Millingofthread360°.Z=2545.Retraction180°.Z=½xP(M6)TG90G17S6508M3G00G43H..X0.000Y0.00

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