Analysis of Deformation Zone Using Slip Line Method during Pipe Pressing

被引：1

作者：

Kosmatskii Y.I. ^{[1
]}

Fokin N.V. ^{[1
]}

机构：

[1] RusNITI, Chelyabinsk

来源：

Steel in Translation | 2021年 / 51卷 / 12期

关键词：

deformation zone; friction conditions; mathematical simulation; pipe pressing; slip line method;

D O I：

10.3103/S0967091221120056

中图分类号：

学科分类号：

摘要：

Abstract: Production practice of hot rolled pipes during development of pressing technology is aimed at on-line determination of power parameters of the process. At present, pressing forces are calculated using semiempirical equations derived for specific equipment and averaged conditions of the process. It should be mentioned that correct calculations of technological parameters of pressing make it possible to optimize this process, as well as to achieve maximum production rate and the required product quality. Estimated pressing force allows to forecast capability of production of a given molded item, serves subsequently as one of the main technological parameters for optimization of existing technology. This work is devoted to the analysis of deformation zone geometry as one of the main constituents of analytical dependences for determination of pressing force. Boundary friction conditions in the deformation zone have been considered. Four dependences for determination of pressing force have been considered, which demonstrated good agreement between calculated and actual values. © 2021, Allerton Press, Inc.

引用

页码：903 / 913

页数：10

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