机械德语-留德制造技术基础

FoundationofMechanicalManufacturingTechnologyMasterbasicprinciplesofmetalcutting.Masterthe ysismethodsoftypicalmachinetooltransmissionroute.Havebasicabilityinmachiningrules,designingjigs,yzingandsolvingthemachiningtechniqueproblemsinmechanicalmanufacturingprocess.LayafoundationtoengageinthetechnologyandmanagementofthisFromtheviewofcommonproblemofmanufacturingtechnology,thiscoursegivesasystemicintroductionabouttheequipmentsandproceduresofcuttingmanufacturingtechnology.Themajorinclusionisasfollows:thefoundationofmachiningsystem,optimizationandcontrolofcuttingprocedure,function,performance,transmissionandmajorstructureofvariousmanufacturingtechnologyequipment,designofmanufacturingprocessroutine,qualityofproduct,andnewdevelopmentofmodernmanufacturingtechnologysuchasGT,NCmachining,CAM,CAPP(ComputerAidedProcessPlanning),CIMSandsoon.CAPPistheuseofcomputertechnologytoaidintheprocessplanningofapartorproduct,inmanufacturing.CAPPisthelinkbetweenCADandCAMinthatitprovidesfortheplanningoftheprocesstobeusedinproducingadesignedpart.Inthiscourse,themainpointisthemanufacturingNC：Numericalcontrolreferstotheautomationofmachinetoolsthatoperatedby lyprogrammedcommandsencodedonastoragemedium.InthemodernCNCsystem,end-to-endcomponentdesignishighlyautomatedusingCADandCAMprograms.Theprogramsproduceacomputerfilethatisinterpretedtoextractthecommandsneededtooperateaparticularmachine,andthenloadedintotheCNCmachinesforproduction.Sinceanyparticularcomponentmightrequiretheuseofanumberofdifferenttoolssuchasdrills,sawsandsoonmodernoftencombinemultipletoolsintosinglecell.Inothercases,anumberdifferentmachinesareusedwithanexternalcontrollerandhumanorroboticoperatorsthatmovethecomponentfrommachinetomachine.Ineithercasethecomplexseriesofstepsneededtoproduceanypartarehighlyautomated.Itisautomaticprogramming,anotherismanualThiscourseintroducessomemachinetoolsandcuttingtheory.Wemainlylearnbasictheoryofcutter,forexample,thecutter’sgeometricsize,whatisworkingcuttingedge.Themanufacturingtheoryintroducetheprocessingofparts,forexample,theoperation,weshouldfirstprocesswheretheyareeasilyprocessing.Ifwewanttoensureprecisionofthissize,weshouldmakethispositionasbenark.Cutting angleand arkand 工作进 加工面，工作workpieceperipheralspeed工件的圆周转速workpiecerotationalfrequency工件的转速worktablemainmovement工作台主运动directionofmainmovement主运动方向directionoffeed进给方feedmovement进给运 cuttingdepth切削深rakeface前刀面noseoftool刀尖jig夹rakeangle前 clearanceangle后角spindle主 ark基机械制造基础实验（同金工实习Wecontactedmanymachinesusedformaterialprocessing,suchlathe[leɪð]/turningmachine,millingmachine(铣床),planer(刨床drillpress(钻床),grinder(磨床),andalsoknowsomeoftheadvancedequipment,suchasprocessingcenter.Processingcentercanprocessamaterialwithdifferentprocessingmethods.Processingcenterhaveatoolmagazine,whenprocessing,itcanselectadifferenttoolasweneed.Processingcenterisahighlyefficientmachine.Itcancompleteacomplicatedobjectwithmanydifferentprocessing.在这门课程，我们对一些机械零件进行了分析和测试,例如我们了齿轮加工的模拟齿轮加工方法有两种基本加工类型:成形法和展成法常用的齿轮加工方法有:铣齿,滚齿,插齿Inthisexperimentwemainlygettoknowsomemechanicalpartsandyzethem.Forinstance,gearmachiningmethodhastwobasictypes:formingmethodandgeneratingmethodCommonlyusedingearcuttingmethodsare:milling（铣）and（滚齿Gearsaremostcommonlyproducedviahobbing,buttheyarealsoshaped,broached,andcast.Plasticgearscanalsobeinjectionmolded;forprototypes,3Dprintinginasuitablematerialcanbeu