1Progress of manufacturing technology on large forged steel backup rolls and future developmentsWU Qiong1-52Compound main-cylinder device of tension strengthenerCHANG Yu, ZHANG Chao, WANG En-hui, CHEN Feng, ZUO Yan-bing6-93A transient response analysis method for roll hydrostatic bearingXIE Lei, JI Jiang, SHI Hao-hao10-154Formulation mechanism of edge seam defects for hot rolling IF steelYOU Hui-chao, WANG Dong-Cheng, GAO Tong, WANG Hai-bo, ZHANG Wen16-215Study on material defect evolution of wind turbine blade girderLI Fei, ZHOU Bo, ZHANG Ya-nan, DU Jin-yao, CHEN Chang-zheng22-266Research on the correlation between ambient temperature and temperature fielddoubly-fed wind turbinesMA Tie-qiang, YAN Chuang, LIN Yao-kun, SUN Chuan-zong, SHAN Guang-kun, CHEN Tao27-337Research on calculation method of radiated noise from wind turbine bearings based on improved distributed source boundary point methodTIAN Jun, LI Jin-tao34-398Turning process research of titanium alloy cover partsLI Bo, LIU Qiang, LI Wei-yu40-449A new processing technology of large screw pitch zigzag threadCHENG Sheng45-5210A device design on zero segment insuper thick slab castingLI Guang-yuan, WANG Xiao-zhe, LIU Jun-ping53-5711Structural optimization design and construction application of large vacuum system used in RH degasserSHI Han-sheng, CHEN Min, ZHU Si-yong, WU Kong-ming, ZHANG Ming58-6212Separate fine adjustment method of spiral blades on scrap shearMA Xu-chuang, YU Hui-ming, Lei Chao, YAN Yu-ping, LV Yang-yang, GAO Li-na63-6813Solution of grinding wheel machining drill bit with spiral groove based on MatlabDONG Liang, DONG Li-min, WANG Ze-wei, WANG Rui, YUN Liang69-7514Technical reform of the blow-off system for cold rolling skin pass millYANG Shi-yong, ZENG Xiao-ming, YU Chao-chao76-80