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1、沈陽航空航天大學畢業(yè)設計論文外文資料原文及譯文學院：機電工程學院專業(yè)：機械設計制造及其自動化班級：6406105學號：200604061158姓名：丁彥銘-24-沈陽航空航天大學畢業(yè)設計論文Mechanicalengineering1.TheporfileofmechanicalengineeringEngingeeringisabranchofmechanicalengineerig,itstudiesmechanicalandpowergenerationespeciallypowerand
2、movement.2.Thehistoryofmechanicalengineering18thcenturylaterperiods,thesteamengineinventionhasprovidedamainpowerfountainheadfortheindustrialrevolution,enormouslyimpelledeachkindofmechznicalbiting.Thus,animportantbranchofanewEngineering–separatedfromt
3、hecivilengineeringtoolsandmachinesonthebranch-developedtogetherwithBirminghamandtheestablishmentoftheAssociantionofMechanicalEngineersin1847hadbeenofficiallyrecognized.Themechanicalengineeringalreadymainlyusedinbytrialanderrormethodmechanicapplicatio
4、ntechnologicaldevelopmentintoprofessionalengineerthescientificmethodofwhichintheresearch,thedesignandtherealmofproductionused.Fromthemostbroadperspective,thedemendcontinuouslytoenhancetheefficienceyofmechanicalengineersimprovethequalityofwork,andaske
5、dhimtoacceptthehistoryofthehigh-24-沈陽航空航天大學畢業(yè)設計論文degreeofeducationandtraining.Machineoperationtostressnotonlyeconomicbutalsoinfrastructurecoststoanabsoluteminimun.3.ThefieldofmechanicalengineeringThecommoditymachinerydevelopmentinthedevelopcountry,in
6、thehighlevelmateriallifeverygreatdegreeisdecidedeachkindofwhichcanrealizeinthemechanicalengineering.Mechanicalengineersunceasinglywillinventthemachinenextlifetoproducethecommodity,unceasinglywilldeveloptheaccuracyandthecomplexitymoreandmorehighmachin
7、etoolsproducesthemachine.Themaincluesofthemechanicaldevelopmentis:Inordertoenhancetheexcellentinqualityandreasonableinpriceproducetoincreasetheprecisionaswellastoreducetheproductioncost.Thisthreerequirementspromotedthecomplexcontrolsystemdevelopment.
8、Themostsuccessfulmachinemanufactureisitsmachineandthecontrolsystemclosefusion,whethersuchcontrolsystemisessentiallymechanicalorelectronic.Themodernizedcarenginproductiontransmissionline(conveyerbelt)isaseriesofcomplexproductionscraftmechanizationvery
