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1、附录专业英语翻译StudyofDryThinWallCylinderLinerforDieselEngiiiecylinderBlockBoreandCylinderBoreMachiningFirstchapteroutlineleiaircylindersattritionJudgestheenginewhetherneedstheoverhaul,mainlyisdecidedbytheaircylinderwearingcapacity,theaircylinderairramgroupattritionhasHast
2、hegrindingcompoundtowear,themolecularnmachinerywears,corrodesthecharacteristicwhich一themachinerywears.Inaircylinderworkingconditionbad:Temperaturehigh,pressurehigh,ifoilfeedinsufficiencyorlubricationconditionbad,iseasytoformtheboundaryfriction,causesDonotselecthasth
3、emetalliccontact,formstheadherency.ThehotadherencyrepairsavehicletheinitialperiodoperationalphaseinnewCheHcdatobeeasytoproduce.Inordertoresistthehotadherency,mustenhancethecomponentsthemanufactureandtheassemblyqualityandthelubricatingoilquality.Thecylinderbodyifcoor
4、dinatesthepistoncurl,intheattritionquestionisaninalienablewhole,twohasdenseCutsrelation.Generallybesidesspecialmaterial,intwokindofmutualcompoundingingredientsonekind，ifwearingcapacitysmallSpeech,thenanotherkindofmaterialwearingcapacityalsoreducesalongwithit.Timethe
5、enginecylinderbodymanufactureprecisionandtheassemblyshapepositioncommondifferenceisremarkabletothecylinderwallattritioninfluence.InThemanufactureandtheoverhaularcthestrictcontrolandtheinspectionaircylinderandthemainaxlealtarholespoolthreadverticality,theaircylinderh
6、oletothemainbearingHolesite,hasthegreatsignificancetotheengineservicelife.Thecylinderwallattritionexperimentprovedthat,WhenverticalityerrorIncreasestoabove0」0mmwhenby0.05mm,thecylinderwallwearscorrespondinglyincreases30-40%;CylinderholecolumnerrorAchievedwhen0.04mm,
7、afterexercises20,000kilometers,acylinderholecolumnerrorincreasesto0.10mm-0.12mm.Whenaninitialcolumnerrorissmallerthan0.025mm,aftermoves20,000kilometers,acylinderholecolumnerroronlyincreases0.05mm-0.06mm.L2cylinderwallssurfacesappearanceThecylinderwallformstheoverlap
8、pingshapegroovebytoimproverubsthevice-lubricationconditionisreducestheattritiontheimportantlink・EvenGoesagainstthenetgrainhoningtobepossib
