Blank design optimisation for T-section ring rolling

Blank design optimisation for T-section ring rolling
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T型钢环件轧制毛坯设计优化

DOI:
10.1179/174328109x443310
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发表时间:
2009-08
影响因子:
2.1
通讯作者:
Hua, L.
Hua, L.
中科院分区:
材料科学3区
文献类型:
--
作者:
Qian, D-S.;Pan, L-B.;Hua, L.

文献摘要

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t形环可以认为是由两个连接在一起的矩形截面环组成,可以描述为一个外环和一个内环。由于这是一种复杂的形状,t形环的轧制加工难度较大,因此需要良好的毛坯设计。本文采用有限元分析方法对四种毛坯设计及轧制过程进行了研究。一个是矩形截面,另外三个是t型截面,但有不同的法兰边缘体积。在三种设计中,在轧制过程中存在从外圈到内圈的体积流,这不利于良好的形状形成。一种设计没有从外环到内环的材料流动,从而产生良好的环形状。这是一个最初的空白设计,其中两个“部分”环中的金属体积分别等于最终环的体积。
A T-section ring can be considered to consist of two rectangular section rings joined together, which can be described as an outer ring and an inner ring. As this is a complex shape, it is difficult to process a T-section ring by rolling, and a good design of blank is necessary. In this paper, four blank designs and rolling process were studied using finite element analysis. One was a rectangular cross-section, the other three were T-section but with varying flange rim volumes. In the three designs there is a volume flow from the outer ring to the inner ring during rolling, which is disadvantageous to good shape formation. One design had no material flow from outer to inner ring resulting in good ring shape. This had an initial blank design where the volume of metal in each of the two 'part' rings were equal to that of the final ring, respectively.
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