1Thoughts and suggestions for the high-quality development of the transmission infrastructure industryWANG Yu-hang, ZHAO Yu-liang, PANG Hang-zhou1-52Research on fault feature extraction method of asynchronous motorLIU Fei, ZHAO Zhi-wei, ZHANG Chen-yue6-133Study on reasonable process parameters of opposite roller power spinning for super-large cylindrical partCHEN Kai-da, LI Fan, ZHANG Hao-tian, GAO Zhi-jie, SUN Hao-ran, ZHU Wen-yu, ZHAO Sheng-dun14-204Research on algorithm for detecting commutator surface defect based on YOLOv5ZHANG Xiao-li, MA Yi-chen, CANG Yu-ping, DONG Shao-fei, HAO Na, HE Si-si21-275Study on thermal deformation behavior and hot working process diagram of 42CrMo steelLI Zhao-yang, WANG Jian-mei, JI Hong-bin, MAO Yang-bo, WANG Zhen-yu28-346Influence of solid solution treatment on the friction and wear behavior of 2205 duplex stainless steel in different environmental mediaZHANG Yu, ZHANG Rui-feng, ZHAO Guang-hui, LI Juan35-417Study on low cycle fatigue properties of high manganese steel under different strain amplitudesYANG Yang, HOU Yong-chao, SHI Xin-sheng, CHEN Yong-jia, LI Chen, ZHU Meng-qi42-478Physical properties of 2507 duplex stainless steel at high temperatureZHOU Shi-kai, HU Zhong, ZENG Jing, LÜ Ming, TIAN Chuan, WANG Rong48-539Equal channel angle extrusion forming process of 42CrMo steelMAO Yang-bo, WANG Jian-mei, JI Hong-bin, LI Zhao-yang, WANG Zhen-yu54-6010Acoustic simulation of wind power yaw friction plate under braking conditionHOU Jian, LI Li-xia, ZHANG Yi, WANG Qi-liang, WANG Jian-mei61-6711Analysis of oil film characteristics of planetary gear plain bearing for wind turbine gearboxSONG Yu-long, WANG Jian-mei, REN Lu68-7312The influence of pressure angle on the tooth surface load capacity of crown gear couplingsLI Hou-chao, WANG Jian-mei, GUAN Yong-qiang, ZHANG Wen-zhen74-7913Research on the matching of process and equipment in the rolling battery foil processZHOU Shu-de, HE Yao-wen80-8414Design of a model and data driven complex heavy equipment management systemJING Qun-ping85-9015Analysis and research on braking performance of lifting mechanism under multi-braking conditionsBU Xu-yang, WANG Quan-wei, ZHOU Cheng, GUO Tong-xing, YANG Heng, WEN Hao91-9616Analysis and optimization of anti-loosening structure of N-type pyramid sleeve roll expanding-collapsing cylinderTONG Kun, SHAO Shuai, ZHANG Jian, PU Wei-fei, LIU Liang, ZHANG Peng97-10117Calculation motion parameters and analysis motion rule of the main transmission system for LG220 cold rolling pipe millYIN Qing-kai, SHEN Ming-ming, LI Shu-lei, MA Bin, LI Jiang-liu, SONG Ying-gang102-106 