高速切削技术的应用与研究-机械制造及其自动化专业毕业论文

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1、Theresearchandapplicationofhigh-speedcuttingAbstractHigh-speedcuttingisanadvancedmetal-cuttingtechnologydevelopedrapidlyintherecentdecades.Itsgreatestfeatureisthehigh-speedandlight-loadduringthecuttingprocess.Itcansignificantlyreducetheprocessingtimeandimproveprocessingefficiencybythe

2、meansofincreasingrotationspeed,reducingthecutdepth,quickeningthefeedspeed.Combinationwithhigh-speedcuttingmechanism,thispapersystematicallystudiedtheformationofthechip,toolfailureduringtheprocessofhigh-speedcuttingandrequirementsoftoolmaterial.Itfocusedontheselectionprinciplesofthetoo

3、lgeometry,cuttingabilityandcuttingscopeoftheseveralcommoncuttingtools.Withtheuseoftheorthogonalexperiment,thesurfaceroughnessofhigh-speedmachiningwascarriedouttoasystematicstudy.Thedataobtainedthroughtheanalysisofhigh-speedprocessingofaluminumalloyLY12indicatedtheimpactofsurfaceroughn

4、essinhigh-speedmachining.Therightorderfromprimaryandsecondarywas:coolingmodetrotationspeedofspindle—>cuttingdepth—>feedrate.Intheexperiment,wecanfindtherelationsbetweensurfeceroughnessandcuttingparameters,andobtaintheempiricalformulaofsurfaceroughnessintheory.WiththehelpofUGsoftware,t

5、hehigh-speedprocessingofaluminumpartswasstudiedindetail.Theresearchmainlyincluded:thetoolpathinhigh-speedcutting,principlesoftoolselection,optimizationofcuttingparameters.Thedimensionsandtolerancesofthepartweretestedtoverifythecuttingparametersinhigh-speedcuttingprocess.Bycomparingwit

6、hcuttingparametersandmetalremovalrateofnormalmetalprocessing,thecharacteristicsofhigh-qualityandhigh-efficiencythecharacteristicsincourseofhigh-speedcuttingwereprovedperfectly.Keywords:high-speedcutting,aluminumalloythin-walledparts,cuttingparameters,surfaceroughness目录1绪论11.1高速切肖加工技术的

7、研究背景1LL1国外高速切削加工技术的发展历程3LL2我国高速力口工技术的发展41.1.3高速切削技术的系统性构成41.2高速切肖I」力口工白勺特点5L2.1高速切肖I」力口工技术白勺优点5L2.2高速加工技术推广应用面临的问题61.3高速力口工技术的发展趋势81.3.1硬件方面的发展趋势81.3.2软件方面白勺发展趋势81.4本论文的研究内容和方法92高速切削机理的理论研究102.1高速力［］工切屑白勺形成机土里102.2高速力［］工中白勺切肖U热传导112.3切肖I」力的理论研究132.3.1Won-sooYun的瞬态切削力模型14232切肖U力公式的经验模型

8、153高速