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1、MachinedesigntheoryThemachinedesignisthroughdesignsthenewproductorimprovestheoldproducttomeetthehumanneedtheapplicationtechnicalscience.Itinvolvestheprojecttechnologyeachdomain,mainlystudiestheproductthesize,theshapeandthedetailedstructurebasicidea,butalsomuststudytheproductthepersonnelwhichinaspec
2、ttheandsoonmanufacture,saleandusequestion.Carriesoneachkindofmachinedesignworktobeusuallycalleddesignsthepersonnelormachinedesignengineer.Themachinedesignisacreativework.Projectengineernotonlymusthavethecreativityinthework,butalsomustinaspectandsoonmechanicaldrawing,kinematics,engineerigmaterial,ma
3、terialsmechanicsandmachinemanufacturetechnologyhasthedeepelementaryknowledge.Iffrontsues,themachinedesigngoalistheproductioncanmeetthehumanneedtheproduct.Theinvention,thediscoveryandtechnicalknowledgeitselfcertainlynotnecessarilycanbringtheadvantagetothehumanity,onlyhaswhentheyareappliedcanproduceo
4、ntheproductthebenefit.Thus,shouldrealizetocarriesonbeforethedesigninaspecificproduct,mustfirstdeterminewhetherthepeopledoneedthiskindofproductMustregardasthemachinedesignisthemachinedesignpersonnelcarriesonusingcreativeabilitytheproductdesign,thesystemanalysisandaformulationproductmanufacturetechno
5、logygoodopportunity.Graspstheprojectelementaryknowledgetohavetomemorizesomedataandtheformulaismoreimportantthan.Themerelyservicedataandtheformulaisinsufficienttothecompletelydecisionwhichmakesinagooddesignneeds.Ontheotherhand,shouldbeearnestpreciselycarriesonalloperations.Forexample,evenifplaceswro
6、ngadecimalpointposition,alsocancausethecorrectdesigntoturnwrongly.Agooddesignpersonnelshoulddaretoproposethenewidea,moreoveriswillingtoundertakethecertainrisk,whenthenewmethodisnotsuitable,useoriginalmethod.Therefore,designsthepersonneltohavetohavetohavethepatience,becausespendsthetimeandtheendeavo
7、rcertainlycannotguaranteebringssuccessfully.Abrand-newdesign,therequestscreenabandonsobsoletelymany,knowsverywellthemethodforthepeople.Becausemanypersonofconservativeness,doesthiscertainlyisnotaneasymatter.