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ID:8805951
大小:246.50 KB
页数:15页
时间:2018-04-08
《重载履带车辆发动机再制造技术分析与评估体系探讨 毕业论文外文翻译》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、英文文献及翻译InvestigationofRemanufacturingTechnologyandevaluationsystemofHeavyDutyCaterpillarEngine1IntroductionWiththeresourceincreasinglydryingupandtheenvironmentcontaminativeprickingup,thesignificanceofcontinualdevelopmentwasunderstoodgraduallybypeople.Theremanufacturingengineeringiscameintobe
2、ingandbecameonenewengineeringsubjectastheresourcerequirementwasincreasinglywentupbyhumanbeing.Anditisregardedimportantlybyallthecountriesandbecomeoneimportanttechnologysupporttocarryoutthestrategicofcontinualdevelopment[1,2].Owingtothemal-conditionsofoperatingandthehighreinforcement,heavydut
3、ycaterpillarengineshaveaveryshortservicelifecomparingwiththecivilvehicle.Itistheunequal-lifeoftheengine’spartsandworkingsurfacesthatresultsinthefailureofsomepartsandworkingsurfacesandtheenginesgoestoout-of-service.Shortservicelifeofengineandunconformitywiththelifecycleofvehiclehadbecomeabott
4、lenecktothemaintenanceinthearmoredcavalry[3].Itisurgentfortheensuringandmaintainingofarmoredequipmenttostarttheremanufacturingofarmoredvehicleenginebasedonhightechnologyforprolongingitsservicelife.Notablebenefitineconomyandmilitaryfairswillbegainedbythesameservicelifewiththevehicleafterreman
5、ufacturingoftheengine.2feasibilityanalysisThemanufacturingtechnologyusedintheheavydutycaterpillarengineisfollowingtheoldtechnologyofthesoviettimes,whichhave50yearsuptonow.Andagreatmanynewtechniqueandmaterialhaveoccurredinthese50years.Thesufaceengineeringtechnology,whichadoptingmanysurfaceint
6、ensifytechnologytoconsolidatingthesurfaceofmaterialandgettingthehighwearability,wasdevelopedfromthe1980s.Itprovidesatechnologybasetoremanufacturingtheequipmentengine[4].Now,theemploylife-spanofcivilianenginehavereachedat8000~10000hasusingthenewtechnology,newmaterialandnewsurfacetreatmenttech
7、nology.Accordingtothe“cannikintheory”ofproductlife,itwillprolongthelife-spanofengineaslongasincreasingthelengthofthoseshortestboard,whichcaninfluencetheperformanceofengine,Namely,prolongingthelife-spanofkeyfrictionmateforenginesuchascylinder/piston
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