会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 65. 发明授权
    • Rolling bearing
    • 滚动轴承
    • US4930909A
    • 1990-06-05
    • US376864
    • 1989-07-07
    • Yasuo MurakamiYouichi MatsumotoKazuhiro Uemura
    • Yasuo MurakamiYouichi MatsumotoKazuhiro Uemura
    • C21D9/40F16C33/62
    • C21D9/40F16C33/62Y10S384/912Y10S384/913
    • A rolling bearing having an inner ring, outer ring and rolling element, at least one of these elements being made of one of the following first, second or third medium-carbon manganese steels. The first medium-carbon manganese steel includes C: 0.4 to 0.7 wt. %, Si: 0.15 to 1.2 wt. %, Mn: 1.2 to 1.7 wt. %, Al: 200 to 300 ppm, Ti: up to 40 ppm, N: 100 to 200 ppm, S: up to 80 ppm, O: 9 ppm and the balance of Fe. The second steel includes at least one of Nb: 0.03 to 0.08 wt. % and V: 0.1 to 0.15 wt. % in addition to the elements of the first medium-carbon manganese steel. The third medium-carbon manganese steel includes at least one of Nb: 0.03 to 0.08 wt. % and V: 0.1 to 0.15 wt. % instead of Al and N and includes the other elements of the first medium-carbon manganese steel. Each medium-carbon manganese steel is subject to carburizing or carbo-nitriding so as to include a case with a 25 to 45 vol. % retained austenite.
    • 一种具有内圈,外圈和滚动元件的滚动轴承,这些元件中的至少一个由下列第一,第二或第三中碳锰钢之一制成。 第一中碳锰钢包括C:0.4〜0.7wt。 %,Si:0.15〜1.2wt。 %,Mn:1.2〜1.7wt。 %,Al:200〜300ppm,Ti:40ppm,N:100〜200ppm,S:80ppm,O:9ppm,余量为Fe。 第二钢包括Nb:0.03〜0.08重量% %和V:0.1〜0.15wt。 除了第一中碳锰钢的元素之外。 第三中碳锰钢包括Nb:0.03〜0.08重量% %和V:0.1〜0.15重量% %代替Al和N,并且包括第一中碳锰钢的其它元素。 每个中碳锰钢进行渗碳或碳氮化处理,以便包括25至45体积%的壳体。 %残余奥氏体。