首页|期刊导航|哈尔滨工业大学学报(英文版)|Calculation of flash temperature for hybrid ceramic ball bearing lubricated with solid
哈尔滨工业大学学报(英文版)2002,Vol.9Issue(4):371-375,5.
Calculation of flash temperature for hybrid ceramic ball bearing lubricated with solid
Calculation of flash temperature for hybrid ceramic ball bearing lubricated with solid
摘要
Abstract
The scuffing behavior of hybrid ceramic bearing lubricated with solid is greatly affected by the contact flash temperature. Formulas are dedused using Lee' s asperity flash temperature method, to calculate the flash temperature of ball bearing lubricated with solid. The maximum flash temperature is calculated for hybrid ceramic ball bearings. The results show that under given conditions, the flash temperature of inner race is higher than that of outer race, the flash temperature of the hybrid ceramic bearing is sensitive to the load, rotational speed and race curvature. The flash temperature of inner race at 20 000 r/min is 66.9% more than that that at 11 000 r/min, and with the load changing from 1.1 kN to 2 kN, the flash temperature inner race goes up to 165.7%. Very common for high speed ball bearings, when curvature coefficients of both inner and outer race change from 0. 515 to 0.56, the inner race flash temperature decreases from 421. 446℃ to 56.2℃.关键词
ball bearing/scuffing failure/solid lubricant/flash temperatureKey words
ball bearing/scuffing failure/solid lubricant/flash temperature分类
机械制造引用本文复制引用
李秀娟,王黎钦,古乐,齐毓霖..Calculation of flash temperature for hybrid ceramic ball bearing lubricated with solid[J].哈尔滨工业大学学报(英文版),2002,9(4):371-375,5.基金项目
Sponsored by the Visting Scholar Foundation of the Ministry of State Education and the Scientific Research Founcation of Harbin Institute of Technology(Grant No. HIT. MD2000.10). (Grant No. HIT. MD2000.10)