1Development thinking of China's iron and steel industry under the influence of novel coronavirus pneumonia epidemicZHU Tao, YIN Hong-ding1-52Research on optimization design method of fiat extrusion containerCHENG xiao-le, FENG Ya-bin, XIAO Jin-qi, HUANG Sheng, YANG Jian6-163Research on industrial big data application based on time series databaseWANG Hong-tao, WANG Zhi-chao, CHEN Feng, FENG Lian-qiang, SUN Si-hao17-214Application of thinking five step method in automatic production line debuggingMA Xu-chuang, CAO Yong, SUN Ya-bo, JIN En-hui, FENG Sha22-265A design of jacking buffer conveyor chainYU Hong-jie, YUE Guo-fu, YAN Yu-ping, LV Yang-yang, LIU Kang27-306Study on the influence of tooth topography on the dynamic characteristics of gear systemLI Zhi, WANG Jian-mei, ZHANG Hong, LIU Kun31-377Study on pre-tightening force and friction performance of flange connection for wind generator main drive systemNING Wen-gang, JIANG Hong-wei, WANG Jian-mei, CHEN Ming-da, WANG Yue-feng38-438Analysis of plate curvature for the different speed snake rolling with the same roll diametersHUANG Jin-bo, ZHEN Tao, WEI Yao-yu, JIANG Lian-yun44-509Effect of edge microstructure on edge skin warping defect of hot stripDAI Si-yuan, ZHANG Yu-guang, ZHU Biao, LOU Ya-bin, BAI Li-yang51-5510Analysis on abnormal pressure of servo system for high-strength steel single stand rolling millZHAO Chun-tao, WANG chen-chong56-5911Key techniques application of upgrading hydraulic press from water-driven to oil-drivenGUO Xiao-feng, ZHANG Jun, DUAN Li-hua, HOU Yong-chao, LIU Xiao-bo60-6412Design of equipment supervision system based on cloud platformLI Yan-hao, WANG Rui, MI Jiao-jiao, WU Yong-jie65-6813Research on cutterhead structural design of TBMZHANG Zhao-huang, CHAI Chao-qun, ZHAO Hong69-7614Research on optimization of remanufacturing process route of tie bar for XT260 horizontal cold chamber die casting machineFU Yue, YANG Lin, CUI Jing77-8115Key assembly process optimization of crawler guard for crawler excavator based on ANSYSWU Dong-cai, ZHAO Feng, TAN Zhi-hang, GAN Lan-jiang82-8616Cause analyzing and adjusting method for tail deviation of dual-coiling tension reel in thick plate hot dip galvanizingCHEN Shou-bing, MI Jiao-jiao, ZHANG Tao87-9217Design and analysis of turning device for vehicle containerLIU Hao-ran, ZHU Jing-ming93-9618Transform design of coiler mandrel for hot rolling skin pass millYANG Feng-chan, PENG Tie-hui, LUO Zhi-ren97-102 