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首页> 外文期刊>International journal of materials & product technology >Numerical analysis of helical rolling processes for producing steel balls
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Numerical analysis of helical rolling processes for producing steel balls

机译：钢球螺旋轧制过程的数值分析

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The paper discusses helical wedge rolling processes for producing balls. The design of rolls for helical wedge rolling is described. Two types of tools are distinguished: tools with conventional flanges (currently used in the industry) and tools with wedge-shaped flanges (designed at the Lublin University of Technology). The paper presents the results of experiments wherein the tools with wedge-shaped flanges were used and balls with a correct shape were produced. Two variants of rolling with the two types of tools were modelled by finite element method. Based on the results obtained (the distributions of effective strain, temperature, material failure criterion, forces and rolling moments as well as the degree of roll wear), advantages and disadvantages of the discussed rolling methods are presented.
机译：本文讨论了用于生产球的螺旋楔形轧制工艺。描述了用于螺旋楔形轧制的辊的设计。区分两种工具：带常规法兰的工具（当前在行业中使用）和带楔形法兰的工具（由卢布林工业大学设计）。本文介绍了实验结果，其中使用了具有楔形法兰的工具，并生产了具有正确形状的球。通过有限元方法对两种工具的两种轧制方式进行了建模。根据获得的结果（有效应变，温度，材料破坏准则，力和轧制力矩以及轧辊磨损程度的分布），介绍了所讨论的轧制方法的优缺点。

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