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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)underhight
2、emperature(about569°C)gasrole,andthepressurethroughthepistonpin,connectingrodtothecrankshaft.Canbeseenthatthepistonisalongtimeunderhightemperatureandhighpressureincontinuousreciprocatingmotionoftheload,itsloadandworkingconditionswereappalling.Duringthedesignprocessofthepi
3、stonwillbedesignedtoensurelong-termstabilityoftheworkpiston.Thedesignoftheworkdonebyabriefintroductionasfollows:DieselEnginePiston180Creasonableprocessingtechnologyisimportant,theroleofpartsandtechnologyprogramanalysis,preparationofroughformandprocessmanufacturingline,thr
4、oughtheanalysis,comparison,useoftherelativeconcentrationofprocessingprograms,andultimatelymorereasonabletodeterminethemechanicallineprocessing.Thedevelopmentprocessofroughlinethemainconsideration,finishingarrangements,choiceofprocessingmethods,centralizedanddecentralizedp
5、rocesses,suchasprocessingtheorderrequirements.Thendeterminetheallowance,processsize,aftertheanalysisofthecharacteristicsoftheprocess,selecttheappropriateprocessingequipmentandtechnicalequipment.Calculatedlook-uptabletodeterminethenextmajorpistoncuttingprocessandthemapping
6、ofprocessescard,thedesignofthefinalfixture.Fixturedesign,itisnecessarytotakevariousaspectsintoaccount,thestrictrequirementsofthefixtureadirectimpactonthesurfaceoftheworkpieceprocessingpositionaccuracy.Therefore,themachinetooldesignfixturedesignisanimportanttaskistheproces
7、singofoneofthemostactive.Duringthegraduationprojectinaspeciallydesignedpositioningaccuracy,simplestructureandeasy-to-useprecisionpinholeboringjig.Keywords:Piston;Technology;processingequipment;cutting;FixtureAnytypeofmachinethatobtainsmechanicalenergydirectlyfromtheexpend
8、itureofthechemicalenergyoffuelburnedinacombustionchamberthatisanintegralpartoftheengine.Fourprin
