..............page:98-100
Surface laser hardening of punch head
Liang Rong;Chang Xiaohui;Xie Wei;Dong Fengdan;Handan Iron and Steel Company Hebei Iron and Steel Group;Beijing Chuangkeyuan Photoelectric Technical Co.;Ltd.;
..............page:101-103
..............page:104-107
..............page:107-111
..............page:112-114
..............page:114-117
..............page:118-121
..............page:122-124
..............page:125-129
..............page:129-131
..............page:132-137
..............page:138-140
..............page:141-144
..............page:145-149
Failure analysis of hydrocylinder
Wang Wenyin;Gu Yongqin;Ye Haiyan;School of Materials Science and Engineering;China University of Mining and Technology;Xuzhou XuGong Hydraulic Component Co.;Ltd.;
..............page:150-153