cfrp侧铣加工工艺分析

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1、CFRP侧铣加工工艺研究ABSTRACTAtpresent,carbonfiberreinforcedpolymer(CFRP)compositesareincreasinglybeingusedforawiderangeofapplicationsintheaerospaceandautomotiveindustries,owingtotheirsuperiorphysicalandmechanicalproperties.However,thehighlyabrasivenatureofthecarbonfibersandthelowt

2、hermalconductivityoftheresinmatrixresultinrapidtoolwear,thusaffectingtheperformanceofcuttingtoolsandsurfacequality.Inviewofthis,T800/epoxyCFRPsidemillingexperimentswithcuttingtoolsofdifferentcoatingsandgeometriesaredonetorevealthefactorsinfluencethemachiningqualityandtooll

3、ife,whichwouldprovideatechnicalsupportfor“lowdefectsandlonglife”machining.Themainresearchworkscompletedareasfollows:(1)InfluenceofCFRPpropertyandcuttingtoolfeatureonmachiningqualityareanalyzedbysidemillingexperimentswithfixedcuttingparameters.Characteristicsandmechanismofm

4、achiningdefectsarealsoanalyzedaccordingtothetestingresultofsurfacequality.Aseriesofevaluationmethodisputforwardtoquantifysurfacequality.(2)PatternandmechanismoftoolweararestudiedbysidemillingexperimentsofmultidirectionalCFRPwithdifferentmills.Influencesoffiberdirectiononto

5、olwearisalsoanalyzedbysideexperimentswithdifferentcuttingdirections.Thebesttoolfeatureandcuttingdirectionisoptimizedtoreachalongtoollife.(3)Fullfactorexperimentiscarriedouttostudytheinfluenceofspindlespeednandfeedspeedvfonmachiningqualityandtoollife.Asetofcuttingparameters

6、isoptimizedtoobtainabettermachiningquality,alongertoollifeandahighermachiningefficiency.Keywords:CFRP,sidemilling,machiningquality,formationmechanismofdefects,toollife,ToolwearmechanismII万方数据南京航空航天大学硕士学位论文目录第一章绪论.............................................................

7、...............................................................................11.1CFRP的材料特性及其应用现状...................................................................................................11.1.1CFRP的材料特性.............................................................

8、...................................................11.1.2CFRP的应用现状.......................