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20039213JOURNALOFCHANGSHARAILWAYUNIVERSITY3Sept.2003:100022499(2003)0320085205,(,410075):,,,.,.:,,,;,.:;;;:TH122:AStudyontheTechnologicalEfficiencyofDesignofMachine2partHEShao2ping,HEXiao2tao(CollegeofMechanicalandElectronicalEngineering,CentralSouthUniversity,Changsha410075,China)Abstract:Thispaperwhollydiscussesthebasicprinciplesaboutthetechnologicalefficiencyofde2signofmachine2parts.Itaccountsthatthetechnologicalefficiencyofdesignofpartisall2roundconcernedinmanyfactors,suchasthepropertiesofmaterialsthatarechosentomakethepart;thetechnologicalprocess;theworkingcondition;theproductionbatchandeconomicsetc.Thepaperspeciallyemphasizesthatthetechnologicalefficiencyofdesignofpartshouldbesystemati2callyconsideredinwholeproductionprocess.Theformofthepartshouldbefittedintotechnolog2icalprocess,andintoprocessroute.Bymeansofanalysisofsameexamples,theauthorsconsiderthat,afterthematerialischosen,technologicalprocessisdeterminedinthemain,andtheformofthepartisdeterminedtoo.Andthetechnologyoftheworkblank2formingisveryimportantforpart2shape.Keywords:technologicalefficiencyofdesign;technologicalproperties;workblank;processroute,,:20030227:(1944),,,...,.,,,,.,,.,,[1],[24].,.,,,,,,.,,.11.1,,,,,,.,,,.,,,,,,.45,45,,,,,.,.1.2.,.,,,.,.,.,.,,.,,,..,;..,.1(a),,...;18012060.,,.68200311[5].,,,,,.,,,;;;,.,.,,,.(),.,,.22783:12V180;12V175.2,12V18012V175;12V175[6].3.,,(3(a)).,,(3(b)),,.()[7].31.3,,.,:.,,;;;,.,,,.;.1,:1,.,,,.,,.,,,.,.,,.;;[8].1.4,.,.4(a),.,.,4(b),,.8820031.5,,.,,,,4,.,,,.,,[1].1.6,.,,.5.4,,5,,(5(a)),.,,1(5(b)),,[9].521),.,,,.2),.,.3).:[1].[J].,1997,(1):5054.[2].[J].,1995,(12):19.[3].[M].:,1991.[4].[M].:,1995.[5].()[M].:,1995.[6].(5)[M].:,1998.[7].[M].:,1983.[8].[M].:,1998.[9].[M].:,2003.983: