模具钢多轴球头铣削过程几何与表面形貌分析

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1、CONTENTSCoNTENTSAbstractinChinese⋯⋯⋯．．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．IAbstractinEnglish⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．IIIChapter1Introduction⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．1Backgroundoftheresearch⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1．1Propertiesandapplic

2、ationofmoldsteel⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11。1．2Characteristicsandapplicationofhigh—speedball-endmilling⋯⋯⋯⋯⋯．11．2ResearchstatusandgapSinthefield⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．2．1T001．workpieceactionzoneinball．endmilling⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．2．2Chipformationmechanisminball．endmi

3、lling⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．41．2．3Cuttingforcesinball．endmilling⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．41．2．4Surfacetopographyinball—endmilling⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．51．2．5Gapsinthefield⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．71．3Significanceandcontensoftheresearch⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．8Chapter2Geom

4、etricresearchofprocessgeometryforball—endmilling⋯⋯⋯⋯⋯⋯92．1Thegeometricmodelofaball．endmill⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．92．2Geometricanalysisofcuttingprocess⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．112．2．1Geometricanalysisofthepossibilitytoavoidtooltipengagingincuttingundervarioustoolpat

5、hs⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．112．2．2Effectivecuttingspeedcorrespondingtovarioustoolpaths⋯⋯⋯⋯⋯⋯．122．3Thegeometricmodeloftool-workpieceactionzone⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．152．3．1Geometricanalysisoft001．workpieceactionzone⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．152．3．2Time．varyingcharacteristicsofthee

6、valuationindicatorsfort001．workpieceactionzone⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．1{；2．3．3Theeffectsofvarioust001orientationsont001．workpieceactionzone．．212。4Summary⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯26Chapter3Researchofchipformationinmillingofmoldsteelwithinclinationa

7、ngles⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．·⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯273．1Chipformation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯273．1．1Chipformationmechanism⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯273．1．2Effectsofvariousfactorsonchipformation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．283．2FEMsimulationofchipformation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯．．293．2．1FEMmodelingofcuttingprocess⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．293．2．2Analysisofsimulationresults⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯323．3Experimentalstudyonchipformation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯