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1、EccentricshaftheattreatmentandmechanicalpropertiesresearchAbstractThispaperfocusesontheeccentricshaftmaterial20Crheattreatment(carburizing,quenching,atempering,andsecondtempering)processanditsmainmechanicalproperties,highhardnessismainproperties.Anal
2、ysishowCarburizingtemperature,timean,coolingmethod,directquenching,aquenching,secondaryquenchingandotherfactorsdefectonthemechanicalpropertiesandorganizationfromthetheory.Afterconfirmed20Cr'seccentricshaft’sbestheattreatmentprocessparametersandthebes
3、tcarburizingquenchway(saltbath,directquenching,lowtemperaturetempering),analysisanddetecttheinfiltrationdepthofthecarburized,microstructureandmechanicalparts.Keywords:eccentricshaft,heattreatment,carburizing,carburizingtemperature,coolingmethod,carbu
4、rizedlayerChapterⅠTheintroduction1.1PrefaceTheroleoftheeccentricshaftistoadjustthecenterdistancebetweenconvenient,eccentricshaftisusuallyusedintheV-beltdriveintheplanarlinkage.Normalshaftcanonlydrivetheworkpiece,buttheeccentricshaft,notonlycanpassthe
5、rotation,alsocanpasstherevolution.NowtheU.S.compressorgiantCopelandisusingeccentricshafttodrivethevortexofrevolutionandefficientcompressionformulationsfast.Eccentricshaftisanimportanttransmissionpartofelectrictoolelectricityhammer.Installtheeccentric
6、shaftandletitrunningtodeadspotspositionwillnotproducelocksbyinertiaeffect.Themostcommonexampleis:householdsewingmachinefeetmovingwheeloftheoperation.Rotatingeccentricshaftdrivenmachineistheindispensablemachineryparts.Schematicdiagramoftheeccentricsha
7、ft1.2ThepurposeoftheeccentricshaftandperformancerequirementsEccentricshaftiswidelyusedinmining,electromechanical,waterconservancy,etc.Withtheincreaseintheproductionoftheseproducts,andconsumergroupsaskedthecontinuousimprovementofthequalityoftheeccentr
8、icshaftisimminent,exported400millionair-conditioningcompressorunitsby2008,airexportsincreasedby27%thanin2005.AirconditioningcompressorisexportedtoSouthEastAsiamainly.Becausetheeccentricshaftunderenormousimpactloadatwork,andthehammeroftheworkingcondit
