本文章主要介绍江苏NSK轴承对锻件金属结构和性能的影响以及锻件的缺陷、锻件质量检验的内容和方法、锻件质量分析的一般过程三个方面。ThisarticlemainlyintroducestheinfluenceofJiangsuNSKbearingonthemetalstructureandperformanceofforgingsaswellasthedefectsofforgings,thecontentandmethodofthequalityinspectionofforgings,andthegeneralprocessofthequalityanalysisofforgings.抛头由变频电机间接驱动。改变电机的频率后，可将投掷头的旋转速度转换为江苏NSK轴承。在向心力的作用下，钢球从叶轮轴线的孔上飞溅到叶片上，然后用高速旋转叶片将叶片甩出立体角。叶轮的转速决定钢球点火的初始速度。电机的***大转速为30000r/min。Thethrowingheadisdrivenindirectlybyavariablefrequencymotor.Afterchangingthefrequencyofthemotor,therotationalspeedofthethrowingheadcanbeconvertedtoJiangsuNSKbearing.Undertheactionofcentripetalforce,thesteelballspatterfromtheholeoftheimpelleraxistotheblade,andthenthebladeisthrownoffthesolidanglewiththehighspeedrotatingblade.Thespeedoftheimpellerdeterminestheinitialspeedoftheignitionofthesteelball.Themaximumspeedofthemotoris30000r/min.当江苏NSK轴承抛头旋转时，球会不时地抛出，所以投掷头的滚轴轴的流动必须用投掷头的丰富粒子提供。球阀的球团流进入铸件。江苏NSK轴承喷丸机的输出稳定、稳定。在正常运行中，钢球的流量由可调抛头的速度而改变，即，在球的稳定输出条件下，叶轮的速度是向前的，并且在该单元中抛出的球的体积很大，反之亦然。WhentheJiangsuNSKbearingthrowstheheadtospin,theballwillbethrownfromtimetotime,sotheflowoftherollershaftofthethrowingheadmustbesuppliedbytherichparticlesofthethrowinghead.Thepelletflowoftheballvalveentersthecasting.TheoutputofJiangsuNSKbearingshotpeeningmachineisstableandstable.Innormaloperation,theflowoftheballischangedbythespeedoftheadjustablethrowinghead,thatis,underthestableoutputconditionoftheball,thevelocityoftheimpellerisforward,andthevolumeoftheballthrownoutintheunitislargeandviceversa.在江苏NSK轴承抛丸机上，每个喷嘴都有一个与之相连的电流计来显示钢球的流动。当喷丸质量不符合技术要求时，应调整电机频率。调解将通过电表所示的读数来确认调解的水平。安培表的阅读类别为0～30a。OntheNSKbearingshotblastingmachineinJiangsu,eachnozzlehasanammeterconnectedwithittoshowtheflowofthesteelball.Whentheshotpeeningqualitydoesnotmeetthetechnicalrequirements,themotorfrequencyshouldbeadjusted.Mediationwillconfirmthelevelofmediationthroughthereadingsshowninthemeter.Thereadingcategoryofamperetablewas0~30A.在江苏NSK轴承喷丸过程中，表面受到钢球的强烈冲击，产生变形硬化层。江苏NSK轴承将导致两种结果：亚晶粒细化的形成、位错密度的增加、晶格畸变的强化和高微残余应力的引入。此外，由于钢球表面粗糙度的增加，在切割过程中锋利的刀痕会变得更加复杂。这些变化将显著提高数据的***性和抗应力腐蚀性，从而显著提高齿轮的使用寿命。DuringtheshotpeeningprocessofNSKbearinginJiangsu,thesurfaceisstronglyimpactedbysteelballs,resultingindeformationhardeninglayer.TheNSKbearingofJiangsuwillleadtotworesults:theformationofsubgrainrefinement,theincreaseofdislocationdensity,theenhancementoflatticedistortionandtheintroductionofhighresidualstress.Inaddition,asthesurfaceroughnessofthesteelballincreases,thesharpknifemarkswillbecomemorecomplicatedduringthecuttingprocess.Thesechangeswillsignificantlyimprovethefatigueresistanceandstresscorrosionresistanceofthedata,therebysignificantlyimprovingtheservicelifeofgears.江苏NSK轴承锻造中的缺陷包括外部缺陷和外部缺陷。锻件的一些缺陷会影响后续工序的加工质量，其中一些严重影响锻件的性能，降低产品的使用寿命和产品的安全性。因此，为了提高锻件的质量，防止锻造缺陷的发生，应采取技术对策，以提高整个生产过程的质量控制。ThedefectsofNSKbearingforginginJiangsuincludeexternaldefectsandexternaldefects.Somedefectsoftheforgingswillaffecttheprocessingqualityofthesubsequentprocess,someofwhichseriouslyaffecttheperformanceoftheforgings,reducetheservicelifeoftheproductandthesafetyoftheproduct.Therefore,inordertoimprovethequalityofforgingsandpreventtheoccurrenceofforgingdefects,technicalcountermeasuresshouldbetakentoimprovethequalitycontrolofthewholeproductionprocess.文章来自：江苏SKF轴承www.wh-Thearticlecomesfrom:JiangsuSKFbearingwww.wh-文章来自：江苏INA轴承a-Thearticlecomesfrom:JiangsuINAbearinga-文章来自：江苏NSK轴承Thearticlecomesfrom:JiangsuNSKbearing)