机械外文资料原文及译文

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1、沈阳航空航天大学毕业设计论文外文资料原文及译文学院：机电工程学院专业：机械设计制造及其自动化班级：6406105学号：200604061158姓名：丁彦铭-24-沈阳航空航天大学毕业设计论文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-沈阳航空航天大学毕业设计论文degreeofeducationandtraining.Machineoperationtostressnotonlyeconomicbutalsoinfrastructurecoststoanabsoluteminimun.3.ThefieldofmechanicalengineeringThecommoditymachinerydevelopmentinthedevelopcountry,in

6、thehighlevelmateriallifeverygreatdegreeisdecidedeachkindofwhichcanrealizeinthemechanicalengineering.Mechanicalengineersunceasinglywillinventthemachinenextlifetoproducethecommodity,unceasinglywilldeveloptheaccuracyandthecomplexitymoreandmorehighmachin

7、etoolsproducesthemachine.Themaincluesofthemechanicaldevelopmentis:Inordertoenhancetheexcellentinqualityandreasonableinpriceproducetoincreasetheprecisionaswellastoreducetheproductioncost.Thisthreerequirementspromotedthecomplexcontrolsystemdevelopment.

8、Themostsuccessfulmachinemanufactureisitsmachineandthecontrolsystemclosefusion,whethersuchcontrolsystemisessentiallymechanicalorelectronic.Themodernizedcarenginproductiontransmissionline(conveyerbelt)isaseriesofcomplexproductionscraftmechanizationvery