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1、Influenceofscienceandtechnologyontheoccupationofmechanicalengineer1IntroductionMechanicalengineersserviceawildareaandenjoywildworkscopeandvastjobpositionincludingmechanicalproductdesign,technology,materials,testing,research,development,management,service,etc.,thedevelopmentofsci
2、enceandtechnologydrasticallychangestheprofessionalnatureofmechanicalengineerandalsobringshigherrequirementsforengineerstomeetandprofessionalqualitytoequipwith.Inthispaperthehistory,presentandfuturesituationofmechanicalengineersinfluencedbyscienceandtechnologyispresentedasautomot
3、ivemechanicalengineeristookasexample.2Research,findingsanddiscussion2.1HistoricalbackgroundoftechnologyinthemechanicalengineersRetrospectingthedevelopmentofworkingcontentofprofessionalengineer,weareeasytofindthatvariationofnatureofmechanicalengineersseemstoreflectthedevelopmenth
4、istoryofscienceandtechnology.Takingautomotivemechanicalengineerasanexample,thewholedevelopmentprocessofoccupationispresented.Attheendof19thcenturywhenthecarhadjustbeeninventedandkeptinitsearlystage,automotivemechanicalengineersmanufacturedallautomotivecoverslikecardoor,hubwithah
5、ammerbecauseoftheconstraintsofthescienceandtechnologyinthatera,ithastosaythatthejobofmechanicalengineerinthattimewastotallyamanuallaborjob.What’smoreinterestingwasthatwhenpeopleboughtacar,theyneededtobuyalltheautomotivepartslikechassis,radiator,engine,wheeledchassisatfirstandthe
6、ntheyhadtofindaworkshoptoassemblethem,tellingdesignerstheirfavoritecarstyleforthemtoregulateasshowninFig1.Fig1In1913,HenryFordcreatedarevolutionaryproductiontechnology,productionlinewhichmadeithappenthateachworkerworkedinapositionanddidonejobfixedlyandthecarwasmovedautomatically
7、fromoneprocesstoanother.Workstandardization,efficiencyanduniformityofproductspecificationsquicklyscaledupproductionandreducedcosts.Automotivemechanicalengineersinthistimenolongerdidtiringlaborworkanymorebuttotakechargeofthejoblikeplanningtheproductionlineschemeandstudyingthetech
8、nologicalprocess.Thementalworkstartedtooccupyac