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25Cr2MoV离子渗氮齿轮弯曲疲劳可靠度研究

Retiability of Gear-tooth Bending Fatigue Strength for 25Cr2MoV Ionitriding Gear

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【Author】 Lu Mei1);Tao Jin1);Xiong Hegen2);Tang Liangfen3);Bian Xinxiaol);Tan Jiazhenl)(l)Mechanical Engineering School, UST Beijing, Beijing 100083, China 2) Mechanical Engineering Department, UMST Wuhan, Wuhan 430081,China 3) Nanjing High Speed Gear Box Works, Na

【机构】北京科技大学机械工程学院!北京１０００８３；武汉冶金科技大学机械系!武汉４３００８１；南京高速齿轮箱厂!南京２１００１２；

【摘要】２５Ｃｒ２ＭｏＶ离子渗氮齿轮弯曲疲劳强度的可靠度试验是在ＳＴＲＯＮ１６０３型电磁谐振疲劳试验机上进行的．短寿命区采用４级恒定应力水平的成组试验法；长寿命区采用应力升降试验法．对试验结果数据进行了统计学处理，拟会出完整的Ｃｎｄ──Ｓ──Ｎ曲线并获得各种可靠度下的弯曲疲劳极限值．更多还原

【Abstract】 Reports the experimental investigation on the reliability of gear-tooth bending fatigue strengthfor 25Cr2MoV ionitriding gear. The tests were carried out on a Electro-magnetic resonance fatigue test ma-chine of type STRON 1 603. The grouping test method at four constant stress levels was applied for short life-span areas while the stress up-and-down test method were used for long life-span areas. The tested data werethen Processed with statistic method. Complete C-R-S-N curves were thus fitted and as a result, the values oflimits of bending fatigue under various reliabilitys were gained.更多还原

【关键词】离子法氮齿轮； C──R──S──N曲线；疲劳；可靠度；置信度；
【Key words】 ionitriding gear； C-R-S-N curves； fatigue； reliability； confidence；

【文献出处】北京科技大学学报 ,JOURNAL OF UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING , 编辑部邮箱 ,1999年06期

【分类号】TH132.41
【被引频次】5
【下载频次】144

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