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1、题目模拟气体运动的快速压缩机MachinedesigntheoryThemachinedesignisthroughdesignsthenewproductorimprovestheoldproducttomeetthehumanneedtheapplicationtechnicalscience.Itinvolvestheprojecttechnologyeachdomain,mainlystudiestheproductthesize,theshapeandthedetailedstructurebasicidea,butalsomuststudytheproductthepersonne
2、lwhichinaspecttheandsoonmanufacture,saleandusequestion.Carriesoneachkindofmachinedesignworktobeusuallycalleddesignsthepersonnelormachinedesignengineer.Themachinedesignisacreativework.Projectengineernotonlymusthavethecreativityinthework,butalsomustinaspectandsoonmechanicaldrawing,kinematics,engineeri
3、gmaterial,materialsmechanicsandmachinemanufacturetechnologyhasthedeepelementaryknowledge.Iffrontsues,themachinedesigngoalistheproductioncanmeetthehumanneedtheproduct.Theinvention,thediscoveryandtechnicalknowledgeitselfcertainlynotnecessarilycanbringtheadvantagetothehumanity,onlyhaswhentheyareapplied
4、canproduceontheproductthebenefit.Thus,shouldrealizetocarriesonbeforethedesigninaspecificproduct,mustfirstdeterminewhetherthepeopledoneedthiskindofproductMustregardasthemachinedesignisthemachinedesignpersonnelcarriesonusingcreativeabilitytheproductdesign,thesystemanalysisandaformulationproductmanufac
5、turetechnologygoodopportunity.Graspstheprojectelementaryknowledgetohavetomemorizesomedataandtheformulaismoreimportantthan.Themerelyservicedataandtheformulaisinsufficienttothecompletelydecisionwhichmakesinagooddesignneeds.Ontheotherhand,shouldbeearnestpreciselycarriesonalloperations.Forexample,evenif
6、placeswrongadecimalpointposition,alsocancausethecorrectdesigntoturnwrongly.Agooddesignpersonnelshoulddaretoproposethenewidea,moreoveriswillingtoundertakethecertainrisk,whenthenewmethodisnotsuitable,useoriginalmethod.Therefore,designsthepersonneltohavetohavetohavethepatience,becausespendsthetimeandth
7、eendeavorcertainlycannotguaranteebringssuccessfully.Abrand-newdesign,therequestscreenabandonsObsoletelymany,knowsverywellthemethodforthepeople.Becausemanypersonofconservativeness,doesthiscertainlyisnotaneasymatter.Amechanicaldesignershouldunceasinglyexploretheimprovementexistingproductthemethod,shou
8、ldearnestlychooseoriginally,theprocessconfirmationprincipleofdesigninthisprocess,withhasnotunifieditaftertheconfirmationnewidea.Newlydesignsitselfcanhavethequestionoccurrencewhichmanyflawsandhasnotbeenabletoexpect,onlyhasaftertheseflawsandthequestionaresolved,canmanifestnewgoodscomeintothemarketthep
9、roductsuperiority.Therefore,aperformancesuperiorproductisbornatthesametime,alsoisfollowingahigherrisk.Shouldemphasize,ifdesignsitselfdoesnotrequesttousethebrand-newmethod,isnotunnecessarymerelyforthegoalwhichtransformtousethenewmethod.Inthedesignpreliminarystage,shouldallowtodesignthepersonnelfullyt
10、odisplaythecreativity,noteachkindofrestraint.Evenifhashadmanyimpracticalideas,alsocaninthedesignearlytime,namelyinfrontoftheplanblueprintiscorrected.Onlythen,onlythendoesnotsendtostopsuptheinnovationthementality.Usually,mustproposeseveralsetsofdesignproposals,thenperformthecomparison.Hasthepossibili
11、tyverymuchintheplanwhichfinallydesignated,hasusedcertainnotinplansomeideaswhichaccepts.Howdoesthepsychologistfrequentlydiscusscausesthemachinewhichthepeopleadaptsthemtooperate.Designspersonne,sbasicresponsibilityisdiligentlycausesthemachinetoadaptthepeople.Thiscertainlyisnotaneasywork,becausecertain
12、lydoesnothavetoallpeopletosayinfactallisthemostsuperioroperatingareaandtheoperatingprocess.Anotherimportantquestion,projectengineermustbeabletocarryontheexchangeandtheconsultationwithotherconcernedpersonnel.Intheinitialstage,designsthepersonneltohavetocarryontheexchangeandtheconsultationontheprelimi
13、narydesignwiththeadministrativepersonnel,andisapproved.Thisgenerallyisthroughtheoraldiscussion,theschematicdiagramandthewritingmaterialcarrieson.Inordertocarryontheeffectiveexchange,needstosolvethefollowingproblem:(1) designswhetherthisproducttrulydoesneedforthepeople?Whetherthereiscompetitiveabilit
14、y(2) doesthisproductcomparewithothercompanies11existingsimilarproducts?(3) producesthiskindofproductiswhethereconomical?(4) productserviceiswhetherconvenient?(5) productwhetherthereissale?Whethermaygain?Onlyhasthetimetobeabletoproducethecorrectanswertoabovequestion.But,theproductdesign,themanufactur
15、eandthesaleonlycanincarryontotheabovequestionpreliminaryaffirmationanswerfoundationin.Projectengineeralsoshouldthroughthedetaildrawingandtheassemblydrawing,carriesontheconsultationtogetherwiththebranchofmanufacturetothefinallydesignproposal.Usually,canhavesomeprobleminthemanufactureprocess.Possiblyc
16、anrequesttosomecomponentssizeorthecommondifferencemakessomechanges,causesthecomponentstheproductiontochangeeasily.But,intheprojectchangemusthavetopassthroughdesignsthepersonneltoauthorize,guaranteedcannotdamagetheproductthefunction.Sometimes,wheninfrontofproductassemblyorinthepackingforeignshipmentexperimentonlythendiscoversinthedesignsomekindofflaw.Theseinstancesexactlyshowedthedesignisadynamicprocess.Alwayshasabettermethodtocompletethedesignwork,designsthepe
