Contact stiffness and damping of spiral bevel gears under transient mixed lubrication conditions

作     者：Zongzheng WANG Wei PU Xin PEI Wei CAO Zongzheng WANG;Wei PU;Xin PEI;Wei CAO

作者机构：School of Aeronautics and AstronauticsSichuan UniversityChengdu 610065China School of Construction MachineryChang'an UniversityXi'an 710064China 

出 版 物：《Friction》 (摩擦（英文版）)

年 卷 期：2022年第10卷第4期

页      面：545-559页

核心收录：

学科分类：08[工学] 080203[工学-机械设计及理论] 0802[工学-机械工程] 080201[工学-机械制造及其自动化] 

基　　金：This research was supported by the National Natural Science Foundation of China(NSFC,No.51875369) by the Chongqing Key Industry General Key Technology Innovation Special Major R&D Projects(No.cstc2017zdcy-zdzxX0001) Wei Pu would also like to thank the Fundamental Research Funds for the Central Universities(No.YJ201752) 

主　　题：mixed contact stiffness and damping transient mixed lubrication real machined roughness different contact trajectories spiral bevel gears 

摘      要：Existing studies primarily focus on stiffness and damping under full-film lubrication or dry contact ***,most lubricated transmission components operate in the mixed lubrication region,indicating that both the asperity contact and film lubrication exist on the rubbing ***,a novel method is proposed to evaluate the time-varying contact stiffness and damping of spiral bevel gears under transient mixed lubrication *** method is sufficiently robust for addressing any mixed lubrication state regardless of the severity of the asperity *** on this method,the transient mixed contact stiffness and damping of spiral bevel gears are investigated *** results show a significant difference between the transient mixed contact stiffness and damping and the results from Hertz(dry)*** addition,the roughness significantly changes the contact stiffness and damping,indicating the importance of film lubrication and asperity *** transient mixed contact stiffness and damping change significantly along the meshing path from an engaging-in to an engaging-out point,and both of them are affected by the applied torque and rotational *** addition,the middle contact path is recommended because of its comprehensive high stiffness and damping,which maintained the stability of spiral bevel gear transmission.