东之数控刀具样本10.pdf

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1、TurningTools505Chipforming!Chipcontrolperformance(1)NecessityAsmachiningisrationalizedmoreandmore,thenecessityofcontrollingchipshasalsochangedindetails.Toensureimprovementofproductivityandtoreducecosts,controllingmeasuresmustbeimplementedtopreventfollowingproblems:

2、Problems:Troubles:•Hindrancetounmannedand•Scatteringofchipsautomaticoperation•Entanglingofchipstothe•Hindranceformulti-cuttingedgeworkpieceandtooltooling,higherspeed,andhigherefficiencyoperation•Accumulationofchips•Hindrancetotheaccuracyofaroundthetoolmachinetools•D

3、eteriorationofproductquality•Troubleaccordingthesafetyofoperators•Shortertoollife•Loweroperationrate!ChipshapeclassificationandeffectsChipshapeDescriptionofAcceptabilityEffectcationCuttingdepth:smallCuttingdepth:largechipshapeClassifi-•WrappingaroundthetoolorAworkpie

4、ceoraccumulationaroundtheChipsirregularlyNotacceptablecuttingpoint,hinderingcuttingentangled•PossibledamagetothemachinedShapesurfaceB•BulkyduringtransportintheLongcontinuousautomaticlinespiralchips•MaybepreferredwhenoneR.50mmoperatorhandlesonemachineShapeC•Smoothch

5、ipflow•DifficulttoscatterShortspiralchips•FavorableshapeR,50mmShapeD„C“or„9“shapedAcceptable•Favorableshapeifnotscattering•Notbulkyandeasytotransportchips(Aroundonecoiling)ShapeTechnicalExcessivelybrokenE•Readilyscattering.Ifscatteringistheonlychips.Thinpiecestroub

6、le,itmaybeacceptablebecausetheorconnectedinaDatachipcover,etc.maybeused.formofwaveasNotacceptable•Tendtocausechatter,causingharmsontheShapeshowninthefigurefinishedsurfaceroughnessortoollife.left506TechnicalDataFactorsaffectingchipcontrol(1)Cuttingcondition•Ofthese,f

7、eedhasthegreatesteffectfollowedbycuttingdepthandcuttingFeedfVc=200m/minspeedinorderlisted.Vc=100m/min•FeedisproportionatetothethicknessofCuttingdepthapchips.CuttingspeedVc•Cuttingdepthisproportionatetothewidthofchips.Effective•Thereareoptimumvalues(effectiverang

8、e)rangeinfeedandcuttingdepth.•CuttingspeedisininverseproportiontoCuttingdepthap(mm)chipthickness.Effectiverangebecomesnarrowathighspeed.Feedf(mm/