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1、Mechanicalengineering1.TheporfileofmechanicalengineeringEngingeeringisabranchofmechanicalengineerigjtstudiesmechanicalandpowergenerationespeciallypowerandmovement.2.Thehistoryofmechanicalengineering18thcenturylaterperiods,thesteamengineinventionhasprovidedamainpowerfountainheadfortheindustrialrevo
2、lution,enormouslyimpelledeachkindofmechznicalbiting.Thus^animportantbranchofanewEngineering一separatedfromthecivilengineeringtoolsandmachinesonthebranch-developedtogetherwithBirminghamandtheestablishmentoftheAssociantionofMechanicalEngineersin1847hadbeenofficiallyrecognized-Themechanicalengineering
3、alreadymainlyusedinbytrialanderrormethodmechanicapplicationtechnologicaldevelopmentintoprofessionalengineerthescientificmethodofwhichintheresearchJhedesignandtherealmofproductionused.Fromthemostbroadperspective,thedemendcontinuouslytoenhancetheefficienceyofmechanicalengineersimprovethequalityofwor
4、k.andaskedhimtoacceptthehistoryofthehighdegreeofeducationandtraining.Machineoperationtostressnotonlyeconomicbutalsoinfrastructurecoststoanabsoluteminimun.3.ThefieldofmechanicalengineeringThecommoditymachinerydevelopmentinthedevelopcountryjnthehighlevelmateriallifeverygreatdegreeisdecidedeachkindof
5、whichcanrealizeinthemechanicalengineering.Mechanicalengineersunceasinglywillinventthemachinenextlifetoproducethecommodity,unceasinglywilldeveloptheaccuracyandthecomplexitymoreandmorehighmachinetoolsproducesthemachine.Themaincluesofthemechanicaldevelopmentis:Inordertoenhancetheexcellentinqualityand
6、reasonableinpriceproducetoincreasetheprecisionaswellastoreducetheproductioncost.Thisthreerequirementspromotedthecomplexcontrolsystemdevelopment.Themostsuccessfulmachinemanufactureisitsmachineandthecontrolsystemclosefusion,whethersuchcontrolsystemisessentiallymechanicalorelectronic.Themodernizedcar
7、enginproductiontransmissionline(conveyerbelt)isaseriesofcomplexproductionscraftmechanizationverygoodexample.Thepeopleareintheprocessofdevelopmentinordertoenablefurtherautomationoftheproductionmachinery,theuseofac