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外文翻译---模拟气体运动的快速压缩机.doc

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外文翻译---模拟气体运动的快速压缩机.doc

毕业设计(论文)外文翻译题目模拟气体运动的快速压缩机MachinedesigntheoryThemachinedesignisthroughdesignsthenewproductorimprovestheoldproducttomeetthehumanneedtheapplicationtechnicalscience.Itinvolvestheprojecttechnologyeachdomain,mainlystudiestheproductthesize,theshapeandthedetailedstructurebasicidea,butalsomuststudytheproductthepersonnelwhichinaspecttheandsoonmanufacture,saleandusequestion.Carriesoneachkindofmachinedesignworktobeusuallycalleddesignsthepersonnelormachinedesignengineer.Themachinedesignisacreativework.Projectengineernotonlymusthavethecreativityinthework,butalsomustinaspectandsoonmechanicaldrawing,kinematics,engineerigmaterial,materialsmechanicsandmachinemanufacturetechnologyhasthedeepelementaryknowledge.Iffrontsues,themachinedesigngoalistheproductioncanmeetthehumanneedtheproduct.Theinvention,thediscoveryandtechnicalknowledgeitselfcertainlynotnecessarilycanbringtheadvantagetothehumanity,onlyhaswhentheyareappliedcanproduceontheproductthebenefit.Thus,shouldrealizetocarriesonbeforethedesigninaspecificproduct,mustfirstdeterminewhetherthepeopledoneedthiskindofproductMustregardasthemachinedesignisthemachinedesignpersonnelcarriesonusingcreativeabilitytheproductdesign,thesystemanalysisandaformulationproductmanufacturetechnologygoodopportunity.Graspstheprojectelementaryknowledgetohavetomemorizesomedataandtheformulaismoreimportantthan.Themerelyservicedataandtheformulaisinsufficienttothecompletelydecisionwhichmakesinagooddesignneeds.Ontheotherhand,shouldbeearnestpreciselycarriesonalloperations.Forexample,evenifplaceswrongadecimalpointposition,alsocancausethecorrectdesigntoturnwrongly.Agooddesignpersonnelshoulddaretoproposethenewidea,moreoveriswillingtoundertakethecertainrisk,whenthenewmethodisnotsuitable,useoriginalmethod.Therefore,designsthepersonneltohavetohavetohavethepatience,becausespendsthetimeandtheendeavorcertainlycannotguaranteebringssuccessfully.Abrandnewdesign,therequestscreenabandonsobsoletelymany,knowsverywellthemethodforthepeople.Becausemanypersonofconservativeness,doesthiscertainlyisnotaneasymatter.Amechanicaldesignershouldunceasinglyexploretheimprovementexistingproductthemethod,shouldearnestlychooseoriginally,theprocessconfirmationprincipleofdesigninthisprocess,withhasnotunifieditaftertheconfirmationnewidea.Newlydesignsitselfcanhavethequestionoccurrencewhichmanyflawsandhasnotbeenabletoexpect,onlyhasaftertheseflawsandthequestionaresolved,canmanifestnewgoodscomeintothemarkettheproductsuperiority.Therefore,aperformancesuperiorproductisbornatthesametime,alsoisfollowingahigherrisk.Shouldemphasize,ifdesignsitselfdoesnotrequesttousethebrandnewmethod,isnotunnecessarymerelyforthegoalwhichtransformtousethenewmethod.Inthedesignpreliminarystage,shouldallowtodesignthepersonnelfullytodisplaythecreativity,noteachkindofrestraint.Evenifhashadmanyimpracticalideas,alsocaninthedesignearlytime,namelyinfrontoftheplanblueprintiscorrected.Onlythen,onlythendoesnotsendtostopsuptheinnovationthementality.Usually,mustproposeseveralsetsofdesignproposals,thenperformthecomparison.Hasthepossibilityverymuchintheplanwhichfinallydesignated,hasusedcertainnotinplansomeideaswhichaccepts.Howdoesthepsychologistfrequentlydiscusscausesthemachinewhichthepeopleadaptsthemtooperate.Designspersonnelsbasicresponsibilityisdiligentlycausesthemachinetoadaptthepeople.Thiscertainlyisnotaneasywork,becausecertainlydoesnothavetoallpeopletosayinfactallisthemostsuperioroperatingareaandtheoperatingprocess.Anotherimportantquestion,projectengineermustbeabletocarryontheexchangeandtheconsultationwithotherconcernedpersonnel.Intheinitialstage,designsthepersonneltohavetocarryontheexchangeandtheconsultationonthepreliminarydesignwiththeadministrativepersonnel,andisapproved.Thisgenerallyisthroughtheoraldiscussion,theschematicdiagramandthewritingmaterialcarrieson.Inordertocarryontheeffectiveexchange,needstosolvethefollowingproblem1designswhetherthisproducttrulydoesneedforthepeopleWhetherthereiscompetitiveability2doesthisproductcomparewithothercompaniesexistingsimilarproducts3producesthiskindofproductiswhethereconomical4productserviceiswhetherconvenient5productwhetherthereissaleWhethermaygainOnlyhasthetimetobeabletoproducethecorrectanswertoabovequestion.But,theproductdesign,themanufactureandthesaleonlycanincarryontotheabovequestionpreliminaryaffirmationanswerfoundationin.Projectengineeralsoshouldthroughthedetaildrawingandtheassemblydrawing,carriesontheconsultationtogetherwiththebranchofmanufacturetothefinallydesignproposal.Usually,canhavesomeprobleminthemanufactureprocess.Possiblycanrequesttosomecomponentssizeorthecommondifferencemakessomechanges,causesthecomponentstheproductiontochangeeasily.But,intheprojectchangemusthavetopassthroughdesignsthepersonneltoauthorize,guaranteedcannotdamagetheproductthefunction.Sometimes,wheninfrontofproductassemblyorinthepackingforeignshipmentexperimentonlythendiscoversinthedesignsomekindofflaw.Theseinstancesexactlyshowedthedesignisadynamicprocess.Alwayshasabettermethodtocompletethedesignwork,designsthepersonneltobesupposedunceasinglydiligently,Recentyear,theengineerigmaterialchoicealreadyappearedimportantly.Inaddition,thechoiceprocessshouldbetothematerialcontinuouslytheunceasingagainappraisalprocess.Thenewmaterialunceasinglyappears,butsomeoriginalmaterialscanobtainthequantitypossiblycanreduce.Theenvironmentalpollution,materialrecyclingaspectandsoonuse,workershealthandsecurityfrequentlycanattachthenewlimitingconditiontothechoiceofmaterial.Inordertoreducetheweightorsavestheenergy,possiblycanrequesttheusedifferentmaterial.Comesfromdomesticandinternationalcompetition,toproductservicemaintenanceconveniencerequestenhancementandcustomersaspecttheandsoonfeedbackpressure,canurgethepeopletocarryontothematerialreappraises.Becausethematerialdoesnotselectwhencreatedtheproductresponsibilitylawsuit,hasalreadyhadtheprofoundinfluence.Inaddition,thematerialandbetweenthematerialprocessinginterdependenceisalreadyknownbythepeopleclearly.Therefore,inordertocanandguaranteesthequalityinthereasonablecostunderthepremisetoobtainsatisfactiontheresult,projectengineermakesengineersalltohaveearnestlycarefullytochoose,thedeterminationandtheusematerial.Makesanyproductthefirststepofworkallisdesigns.Designsusuallymaydivideintoseveralexplicitstagesapreliminarydesignbfunctionaldesigncproductiondesign.Inthepreliminarydesignstage,thedesigneremphaticallyconsideredtheproductshouldhavefunction.Usuallymustconceiveandconsiderseveralplans,thendecidedthiskindofthoughtiswhetherfeasibleIfisfeasible,thenshouldmakesthefurther

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