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1、附录专业英语翻译StudyofDryThinWallCylinderLinerforDieselEngiiiecylinderBlockBoreandCylinderBoreMachiningFirstchapteroutlineleiaircylindersattritionJudgestheenginewhetherneedstheoverhaul,mainlyisdecidedbytheaircylinderwearingcapacity,theaircylinderairramgroupattritionhasHasthegrindingcompoundtowear,t
2、hemolecularnmachinerywears,corrodesthecharacteristicwhich一themachinerywears.Inaircylinderworkingconditionbad:Temperaturehigh,pressurehigh,ifoilfeedinsufficiencyorlubricationconditionbad,iseasytoformtheboundaryfriction,causesDonotselecthasthemetalliccontact,formstheadherency.Thehotadherencyre
3、pairsavehicletheinitialperiodoperationalphaseinnewCheHcdatobeeasytoproduce.Inordertoresistthehotadherency,mustenhancethecomponentsthemanufactureandtheassemblyqualityandthelubricatingoilquality.Thecylinderbodyifcoordinatesthepistoncurl,intheattritionquestionisaninalienablewhole,twohasdenseCut
4、srelation.Generallybesidesspecialmaterial,intwokindofmutualcompoundingingredientsonekind，ifwearingcapacitysmallSpeech,thenanotherkindofmaterialwearingcapacityalsoreducesalongwithit.Timetheenginecylinderbodymanufactureprecisionandtheassemblyshapepositioncommondifferenceisremarkabletothecylind
5、erwallattritioninfluence.InThemanufactureandtheoverhaularcthestrictcontrolandtheinspectionaircylinderandthemainaxlealtarholespoolthreadverticality,theaircylinderholetothemainbearingHolesite,hasthegreatsignificancetotheengineservicelife.Thecylinderwallattritionexperimentprovedthat,Whenvertica
6、lityerrorIncreasestoabove0」0mmwhenby0.05mm,thecylinderwallwearscorrespondinglyincreases30-40%;CylinderholecolumnerrorAchievedwhen0.04mm,afterexercises20,000kilometers,acylinderholecolumnerrorincreasesto0.10mm-0.12mm.Whenaninitialcolumnerrorissmallerthan0.025mm,aftermoves20,000kilometers,acyl
7、inderholecolumnerroronlyincreases0.05mm-0.06mm.L2cylinderwallssurfacesappearanceThecylinderwallformstheoverlappingshapegroovebytoimproverubsthevice-lubricationconditionisreducestheattritiontheimportantlink・EvenGoesagainstthenetgrainhoningtobepossib
