A new method for evaluating wedges of steel plates and strips

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外文摘要：To overcome the inaccuracy problem of the traditional wedge evaluation of steel plates and strips caused by the ran-domness of the thicknesses of two local points and improve the reliability of the wedge index,the double-centroid method for the wedge evaluation was proposed,and a model based on the centroid theory was established.Meanwhile,an integral model for the discrete thickness values of the cross-section profiles was derived.The discussion focused on the distinct characteristics of the two-point method,asymmetric method,and double-centroid method in evaluating the asymmetric distribution of cross-sections.The three methods were employed to evaluate the wedge values of both the theoretical and measured cross-sections of steel plates and strips,and the accuracies of three wedge evaluation models were analyzed and discussed.The results showed that the double-centroid method objectively reflects the degree and variation characteristics of the wedge values of the cross-sections of steel plates and strips,and this method is feasible,reliable,and outstanding.

外文关键词：

Steel plate and stripWedgeTwo-point methodDouble-centroid methodReliability

作者：

Xiao-bao Ma、Xiao-xin Ma、Tao Wang、Zhong-kai Ren、Yu-cheng Ren

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作者单位：

College of Mechanical and Vehicle Engineering,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China

Ministry of Education Engineering Research Center of Advanced Metal Composite Forming Technology and Equipment,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China

National Key Laboratory of Metal Forming Technology and Heavy Equipment,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China

China National Heavy Machinery Research Institute Co.,Ltd.,Xi'an 710018,Shaanxi,China

Faculty of Mechanical Engineering,Hebei University of Architecture,Zhangjiakou 075000,Hebei,China

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基金：

National Natural Science Foundation of ChinaNatural Science Foundation Research Program of Shanxi ProvinceMajor Project of Science and Technology of Shanxi ProvinceChinese Postdoctoral Science FoundationCentral Government Guides the Special Fund Projects of Local Scientific and Technological DevelopmentOpen Project of Research Institute of Hai'an-Taiyuan University of TechnologySchool Fund of Taiyuan University of Technology

项目编号：

52305405202203021222121201811020162021M702544YDZX201914000021492023HA-TYUTKFYF0082022QN007

出版年：

2024

DOI：

10.1007/s42243-023-01128-8

钢铁研究学报(英文版)

钢铁研究总院

钢铁研究学报(英文版)

CSTPCD

影响因子：0.584

ISSN：1006-706X

年,卷(期)：2024.31(7)