1Review of surface integrity in ultrasonic vibration-assisted gear grindingSHI Yuxin, ZHAO Junshuai, ZHAO Biao, DING Wenfeng1-72Development and application prospects of face gear lubrication technology for helicopter transmissionsZHOU Wenguang, ZHU Xinhua, ZHU Rupeng, LI Miaomiao8-183Review of vibration and noise suppression technologies for helicopter transmission systemsWEI Dahuan, LI Songbai, LI Xiaokang, YIN Mei, ZHU Xinhua, YAN Hongzhi19-334Development and characteristic analysis of helicopter final drive installation and support technologyLI Miaomiao, ZHOU Zhenglong, YUAN Xiaojie, ZHU Rupeng34-465Research progress of harmonic drive used in spacecraftCANG Yuetian, HAO Hong, SUN Fanxin, LI Jian, ZHANG Kaifeng, ZHOU Hui, XING Zhenhua47-57,1686Research on the running-in scuffing of aviation spiral bevel gears based on measured analysis of surface integrity parametersYIN Feng, YANG Duo, DENG Mingming, TANG Jinyuan, FENG Xin58-707Study on multi-degree-of-freedom near-net-shape forming method for aviation spur gearsMENG Yang, ZHUANG Wuhao, HAN Xinghui71-798Calculation and test verification of residual stress in ultrasonic vibration-assisted grinding of aerospace gears based on crystal plasticity finite element modelZOU Runxiang, TANG Jinyuan, ZHOU Weihua, YE Shijie, LI Fangcheng, YANG Yudian80-939Prediction and test validation for the three-dimensional surface roughness in internal gear polish honing of the aeronautic cylindrical gearHOU Jinbo, TANG Jinyuan, ZHOU Weihua, LI Fangcheng, YANG Yudian94-10210Simulation of the machining principle of hobbing and grinding cycloidal gears with worm cutters and hobbing testsWU Jinhao, WEI Bingyang, WANG Jianwen, ZHOU Guojun103-11111Prediction method for spiral bevel gear tooth surface roughness based on machine learningLI Jiabin, CHEN Haifeng, LIU Guoliang, ZHOU Changjiang112-12012Simulation of the shot peening for helical gears considering tooth profile characteristicsLIU Yi, MEI Xiangqian, GUO Hui, XIONG Junyang, HOU Shengwen, DONG Fan, LIU Geng121-12813Comprehensive risk assessment method for weak components of encased differential planetary gear train in coaxial helicopterCHE Xiaoyu, WANG Dan, ZHU Rupeng129-13614Research on vibration avoidance design method of the aero-engine gear transmission system based on web structure optimizationZHANG Yangming, LI Bo, LIU Huaiju, WANG Qiao, LI Yang137-14715Dynamic response calculation methods of traveling wave resonances associated with spiral bevel gear drivesXUE Ao, LU Tingting, LI Zhengminqing, LÜ Chuanmao, LEI Mozhi, PENG Chunlei, ZHANG Jian148-15516Analysis on dynamic characteristics of misaligned splines in aviation spline-rotor systemZHONG Wenxin, JIN Guanghu, ZHU Rupeng156-16817Analytical methods for spur gear time-varying mesh stiffness:principles and comparative analysisLI Ziyuan, ZHOU Jianxing, ZHANG Jingqi, YANG Yuliang, ZHENG Guolong169-178,19118Tooth flank twist compensation method and test verification for gear grinding with variable-lead worm grinding wheelYANG Jianjun, WU Guoshuo, FANG Yi, ZHANG Ling, LIU Gang, SU Jianxin179-18419Research on the generation mechanism of short rod-shaped magnetic traces in the new generation of aviation gear steel 15Cr14Co12Mo5NiLIU Chunjiang, WANG Gengjie, JIANG Tao, LIU Changkui, LIU Mingyue, WANG Rongchao, ZHANG Hongbin185-191 