偏心滚针轴承技术交流c

《偏心滚针轴承技术交流c》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、偏心滚针轴承产品分析EccentricNeedleRollerBearingProductAnalysis常州东风轴承有限公司技术开发部CHANGZHOUDONGFENGBEARINGCO.,LTDTECHNICALDEVELOPMENT2009，1，7EccentricBearingTechnicalInfoIntroductionEccentricBearingTechnicalInfoLoadingTemperaturesrange:-40to125°CBearingdrivesapumpgenerating350barmaximumpressureMaxpistond

2、iameteris9mmPressurep(Ø/2)2=501lbf偏心滚针轴承设计主要尺寸TheMajorSizeofEccentricneedlerollerbearingdesignTheCalculationofEccentricbearingRatedloadandratingliftthegreatestloadofBearingactuallybearPr=501Ibf=2.23KNRatedloadcalculation：Cr=fcLwe7/9Z3/4Dwe29/27(ISO281:1990)onefc：FactorLwe：thelengthofNeedleZ

3、：theAmountofNeedleDwe：dia.ofNeedleF-232214.11Cr=85.419.87/9283/41.50529/27=9.52KNF-232214.12Cr=85.9279.87/9273/41.50529/27=9.32KNF-550207.01Cr=85.1357.87/9293/41.5129/27=8.19KNTheCalculationofbearingratinglift：L10=（Cr/Pr）10/3(ISO281:1990)F-232214.11L10=（Cr/Pr）10/3=126.2MrpmF-232214.12L10=（C

4、r/Pr）10/3=117.6MrpmF-550207.01L10=（Cr/Pr）10/3=76.43MrpmTheDataanalysisofEccentricbearingRatedloadandratingliftF-232214.11Pr/Cr=23.4%<50%Bearingsecurityforce，Sustainabilityinthe501lbflargestloadoftheoperatingenvironment,126200000rpmF-232214.12Pr/Cr=23.9%<50%Bearingsecurityforce，Sustainabilit

5、yinthe501lbflargestloadoftheoperatingenvironment,117600000rpmF-550207.01Pr/Cr=27.2%<50%Bearingsecurityforce，Sustainabilityinthe501lbflargestloadoftheoperatingenvironment,76430000rpm原材料说明MaterialExplanation冲压外圈Stampedexternalring20#冷轧钢板（AISI1020）20#coldrollingsteelplate材料供应商：中国鞍钢集团materialsu

6、pplier:ANGANGSTEELCO.,LTDCHINA滚针NEEDLEGCr15冷拔钢丝（AISI52100）GCr15colddrawingsteelsilk材料供应商：中国宝钢集团上钢五厂materialsupplier:The5factoryofBAOSTEELCO.,LTDCHINA原材料说明MaterialExplanation垫圈WASHER65Mn冷轧钢板（AISI1050）65Mncoldrollingsteelplate材料供应商：中国新余钢厂materialsupplier:XINYUSTEELCOMPANYCHINA偏心轮ECCENTRICGEAR

7、20#冷拔钢丝(AISI1020)20#colddrawingsteelsilk材料供应商：中国首钢集团materialsupplier:SHOUSTEELCO.,LTDCHINA零件热处理要求HEATTRETMENTREQUIREMENTSOFPARTS冲压外圈Stampedexternalring表面渗碳淬火，表面硬度680~840HV，硬化深度0.3~0.35Surfacecarburizationandquenching,Surfacehardness680~840HV,Hardendepth0