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1、大连交通大学信息工程学院2011届本科生毕业设计（论文）外文翻译Adieselengineworks【Abstract】Indieselenginecylinder,thepistonpartofthecycleinthecompressedgases,andinanotherpartoftheworkcycleofthecombustiongasmixturewithinthecylindersothepistontopsurfaceexpansionhighpressure(about116~120Kgf/cm2)underhightemperature(about569°C)gas
2、role,andthepressurethroughthepistonpin,connectingrodtothecrankshaft.Canbeseenthatthepistonisalongtimeunderhightemperatureandhighpressureincontinuousreciprocatingmotionoftheload,itsloadandworkingconditionswereappalling.Duringthedesignprocessofthepistonwillbedesignedtoensurelong-termstabilityofthew
3、orkpiston.Thedesignoftheworkdonebyabriefintroductionasfollows:DieselEnginePiston180Creasonableprocessingtechnologyisimportant,theroleofpartsandtechnologyprogramanalysis,preparationofroughformandprocessmanufacturingline,throughtheanalysis,comparison,useoftherelativeconcentrationofprocessingprogram
4、s,andultimatelymorereasonabletodeterminethemechanicallineprocessing.Thedevelopmentprocessofroughlinethemainconsideration,finishingarrangements,choiceofprocessingmethods,centralizedanddecentralizedprocesses,suchasprocessingtheorderrequirements.Thendeterminetheallowance,processsize,aftertheanalysis
5、ofthecharacteristicsoftheprocess,selecttheappropriateprocessingequipmentandtechnicalequipment.Calculatedlook-uptabletodeterminethenextmajorpistoncuttingprocessandthemappingofprocessescard,thedesignofthefinalfixture.Fixturedesign,itisnecessarytotakevariousaspectsintoaccount,thestrictrequirementsof
6、thefixtureadirectimpactonthesurfaceoftheworkpieceprocessingpositionaccuracy.Therefore,themachinetooldesignfixturedesignisanimportanttaskistheprocessingofoneofthemostactive.Duringthegraduationprojectinaspeciallydesignedpositioningaccuracy,simplestructureandeasy-to-useprecisionpinholeboringjig.Keyw
7、ords:Piston;Technology;processingequipment;cutting;FixtureAnytypeofmachinethatobtainsmechanicalenergydirectlyfromtheexpenditureofthechemicalenergyoffuelburnedinacombustionchamberthatisanintegralpartoftheengine.Fourprin
