外文翻译机械设计理论.doc外文翻译机械设计理论.doc

收藏

编号:201311171426206556    类型:共享资源    大小:50.00KB    格式:DOC    上传时间:2013-11-17
  
5
关 键 词:
专业文献 学术论文 精品文档 外文翻译
资源描述:
MechanicaldesigntheoryThemechanicaldesignisaapplicationtechnicalsciencethroughdesignthenewproductorimprovestheoldproducttomeetthehumanneed.Itinvolvesalldomainoftheprojecttechnology,mainlyresearchsizeoftheproduct,basicideaoftheshapeandthedetailedstructure,alsoresearchquestionofmanufacture,saleanduseoftheproductinallaspects.Theyusuallycalleddesignerormechanicaldesignengineerwhocarriesoneachkindofmechanicaldesignwork.Themechanicaldesignisacreativework.Designengineernotonlyhavethecreativityinthework,butalsohavethedeepelementaryknowledgeonmechanicaldrawing,kinematics,engineeringmaterial,materialsmechanicsandmachinemanufacturetechnology.Assaysabove,thegoalofmechanicaldesignistheproductioncanmeetthehumanneed.Theinvention,thediscoveryandtechnicalknowledgeitselfcertainlynotnecessarilycanbringtheadvantagetothehumanity,onlywhentheyareappliedontheproductcanproducethebenefit.Thus,weshouldrealizewhetherpeopledoneedthiskindofproductbeforecarryonthedesigninaspecificproduct.Themechanicaldesignmustregardasagoodopportunityforthemechanicaldesignertousecreativeabilitycarriesonproductdesign,thesystematicanalysisandformulatemanufacturetechnologyoftheproduct.Graspingtheprojectelementaryknowledgeismoreimportantthanmemorizingsomedataandtheformula.Merelyusingthedataandtheformulaisinsufficienttocompletelydecidealldecisioninagooddesign.Ontheotherhand,theyshouldcarryonalloperationsprecisely.Forexample,evenifplaceadecimalpointinwrongposition,alsocanturnthecorrectdesigntowrong.Newdesignscanhavemanyflawsandproblemsunexpected,onlytheseflawsandthequestionhavebeensolved,cannewproduct’ssuperioritybemanifested.Therefore,asuperiorproductbornfollowedahigherriskatthesametime.Whatshouldemphasizeisthatifdesignsitselfdoesnotrequesttousethebrand-newmethod,itisnotnecessarytousethenewmethodmerelyforthegoalfortransformation.Inthepreliminarystageofdesign,shouldallowdesignerfullytodisplaythecreativity,notrestrainttoeachkindofrestraint.Evenifhavemanyimpracticalideasinearlytime,theycanalsobecorrectedbeforeplanblueprint.Onlyinthiswaycannotstoptheinnovation.Usually,mustproposeseveralsetsofdesignproposals,andthenperformthecomparison.Itispossiblethatsomeideashavebeenusedinthefinalplanwhichisnotacceptedbefore.Thepsychologistfrequentlydiscussesthecausesofhowcouldpeopleadapttomachinewhichoperate.Adesigner’spersonnel'sbasicresponsibilityisdiligentlycausesthemachinetoadaptthepeople.Thiscertainlyisnotaneasywork,becausethemostsuperioroperatingareaandtheoperatingprocesstoalldonotexistinfact.Anotherimportantquestion,projectengineermustbeabletocarryontheexchangetheconsultationwithotherconcernedpersonnel.Intheinitialstage,designerhastoexchangewithadministratoronthepreliminarydesign,andbeapproved.Thisisgenerallythroughtheoraldiscussion,withschematicdiagramandthewritingmaterial.Inordertocarryontheeffectiveexchange,needstosolvethefollowingproblem:(1)Whetherproductdesignedistrulyneededforthepeople?(2)Whetherthisproducthascompetitiveabilitycomparewithothercompany’sexistingsimilarproducts?(3)Whetherthiskindofproductiseconomical?(4)Whetherthisproduct’sserviceconvenient?(5)Whetherthisproductsalewell?Whethercangain?Onlytimebeabletoproducethecorrectanswertoabovequestion.But,theproductdesign,themanufactureandthesaleonlycancontinueonfoundationoftheabovequestionpreliminaryanswered.Projectengineeralsoshouldconsulttogetherwiththebranchofmanufactureforthefinallydesignproposalthroughthedetaildrawingandtheassemblydrawing.Usually,canhavesomeprobleminthemanufactureprocess.Possiblycanrequesttosomecomponentssizeorthecommondifferencemakessomechanges,causesthecomponentstheproductiontochangeeasily.But,intheprojectchangemusthavetopassthroughdesignsthepersonneltoauthorize,guaranteedcannotdamagetheproductthefunction.Sometimes,wheninfrontofproductassemblyorinthepackingforeignshipmentexperimentonlythendiscoversinthedesignsomekindofflaw.Theseinstancesexactlyshowedthedesignisadynamicprocess.Alwayshasabettermethodtocompletethedesignwork,designsthepersonneltobesupposedunceasinglydiligently,andseeksthisbettermethod.Recentyear,theengineeringmaterialchoicealreadyappearedimportantly.Inaddition,thechoiceprocessshouldbetothematerialcontinuouslytheunceasingagainappraisalprocess.Thenewmaterialunceasinglyappears,butsomeoriginalmaterialscanobtainthequantitypossiblycanreduce.Theenvironmentalpollution,materialrecyclingaspectandsoonuse,worker'shealthandsecurityfrequentlycanattachthenewlimitingconditiontothechoiceofmaterial.Inordertoreducetheweightorsavestheenergy,possiblycanrequesttheusedifferentmaterial.Comesfromdomesticandinternationalcompetition,toproductservicemaintenanceconveniencerequestenhancementandcustomer'saspecttheandsoonfeedbackpressure,canurgethepeopletocarryontothematerialreappraises.Becausethematerialdoesnotselectwhencreatedtheproductresponsibilitylawsuit,hasalreadyhadtheprofoundinfluence.Inaddition,thematerialandbetweenthematerialprocessinginterdependenceisalreadyknownbythepeopleclearly.Therefore,inordertocanandguaranteesthequalityinthereasonablecostunderthepremisetoobtainsatisfactiontheresult,projectengineermakesengineersalltohaveearnestlycarefullytochoose,thedeterminationandtheusematerial.Makesanyproductthefirststepofworkallisdesigns.Designsusuallymaydivideintoseveralexplicitstages:(a)preliminarydesign;(b)functionaldesign;(c)productiondesign.Inthepreliminarydesignstage,thedesigneremphaticallyconsideredtheproductshouldhavefunction.Usuallymustconceiveandconsiderseveralplans,thendecidedthiskindofthoughtiswhetherfeasible;Ifisfeasible,thenshouldmakesthefurtherimprovementtoorseveralplans.Inthisstage,thequestionwhichonlymustconsideraboutthechoiceofmaterialis:Whetherhastheperformancetoconformtotherequestmaterialtobepossibletosupplythechoice;Ifno,whetherhasabiggerassuranceallpermitsinthecostandthetimeinthelimitdevelopsonekindofnewmaterial.Inthefunctionaldesignandtheengineeringdesignstage,needstomakeapracticalfeasibledesign.Mustdrawupthequitecompleteblueprintinthisstage,choosesanddetermineseachkindofcomponentsthematerial.Usuallymustmaketheprototypeortheworkingmodel,andcarriesontheexperimenttoit,theappraisalproductfunction,thereliability,theoutwardappearanceandtheservicemaintenanceandsoon.Althoughthiskindofexperimentpossiblycanindicate,entersintheproducttotheproductionbaseinfrontof,shouldreplacecertainmaterials,but,absolutelycannotthispointtakenotearnestlychoosesthematerialtheexcuse.Shouldunifytheproductthefunction,earnestlycarefullyconsiderstheproducttheoutwardappearance,thecostandthe
  人人文库网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
关于本文
本文标题:外文翻译机械设计理论.doc
链接地址:http://www.renrendoc.com/p-96556.html

当前资源信息

4.0
 
(2人评价)
浏览:28次
淘宝运营上传于2013-11-17

官方联系方式

客服手机:17625900360   
2:不支持迅雷下载,请使用浏览器下载   
3:不支持QQ浏览器下载,请用其他浏览器   
4:下载后的文档和图纸-无水印   
5:文档经过压缩,下载后原文更清晰   

精品推荐

相关阅读

人人文库
关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

[email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

经营许可证编号:苏ICP备12009002号-5