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ID:5437359
大小:443.50 KB
页数:18页
时间:2017-11-12
《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
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