Development and application prospects of face gear lubrication technology for helicopter transmissions
ZHOU Wenguang
ZHU Xinhua
ZHU Rupeng
LI Miaomiao
Abstract：[Significance]Aiming at the strict requirements for lubrication performance of face gear transmission in helicopter transmission systems,as well as the problems that the analysis system of tooth surface contact-lubrication coupling characteristics in existing research needs to be improved and the engineering application technical path is not clear,the research progress of face gear lubrication technology was systematically sorted out,and the core technical direction and development trend were clarified.[Analysis]Firstly,the research context of face gear lubrication technology for helicopter transmission scenarios was sorted out,and the core research boundary of this field was defined;secondly,the core technology of tooth surface contact characteristic analysis of face gear was disassembled to provide key input parameters for lubrication characteristic analysis;thirdly,the analysis methods and research results of tooth surface lubrication characteristics of face gears were summarized to clarify the key influencing factors of lubrication performance;finally,combined with the engineering requirements of helicopter transmission,the future key development directions of this field were prospected.
Keywords：Face gearContact characteristicLubrication propertyHigh-efficiency lubricationDry-running designFilm thickness measurementFilm thickness monitoring
Publication Date：2026-08-15
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：11( 8-18 )