Equivalent Stress Analysis of Piercing Process in Diescher’s Mill Using Finite Element Method

Lu Lu; Zhao Xu Wang

doi:10.4028/www.scientific.net/AMR.648.170

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Equivalent Stress Analysis of Piercing Process in Diescher’s Mill Using Finite Element Method
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Equivalent Stress Analysis of Piercing Process in Diescher’s Mill Using Finite Element Method

Abstract:

In this paper, the simulation of the piercing process is performed by the three dimensional finite element method in Diescher’s mill. After a short description of the problem the numerical model of the process is described. The simulated results visualize dynamic evolution of equivalent stress, especially inside the work-piece. The non-uniform distribution of stress on the internal and external surface of the work-piece is a distinct characteristic of processing tube piercing. And it is the basic data for improving tool and design, predicting, damage and controlling the micro-structural evolution of processing tube piercing.