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Spread Model for TC4 Alloy Rod during the Three-Roll Tandem Rolling Process
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Spread Model for TC4 Alloy Rod during the Three-Roll Tandem Rolling Process
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Province Young Research Program of Shanxi (2010021024-1); “973” Plan Preliminary Study Program(2011CB612204); Postgraduate Innovation Program of Shanxi (20113114).

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    摘要:

    為了保證三輥連軋過程中棒材的成型精度，研究了TC4鈦合金棒材的寬展。采用正交試驗(yàn)優(yōu)化設(shè)計(jì)方法設(shè)計(jì)數(shù)值模擬方案，在Marc有限元平臺(tái)上，研究軋制工藝參數(shù)（軋制溫度、軋制速度、孔型內(nèi)切圓直徑、軋輥直徑、摩擦系數(shù)）對(duì)寬展的影響，并分析了各參數(shù)的影響顯著性順序。在此基礎(chǔ)上，建立了三輥軋制TC4棒材的寬展模型。試驗(yàn)在自行研制的8機(jī)架Y型連軋機(jī)上進(jìn)行，孔型系統(tǒng)為平三角-圓。寬展測量結(jié)果和模型計(jì)算結(jié)果吻合較好

    Abstract:

    In order to get high-precision TC4 alloy rod during the three-roll tandem rolling process, the spread of rod has been studied. A numerical simulation project was designed by an orthogonal experiment optimization design method. On the FEM software platform of Marc, the influence of rolling process parameters, including the rolling temperature, the rolling velocity, the inscribed circle of pass, the diameter of roller, and the friction coefficient between roller and rod, on the spread was investigated. Moreover, the effect order of above parameters was analyzed. On this basis, the spread model for TC4 alloy rod during three-roll rolling was established. The experiment was done on the self-developed three-roll mill of eight passes with a flat triangle-round sequence. The calculated results of spread model are in good agreement with the on-site data

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帥美榮,黃慶學(xué),朱艷春,潘 露. Spread Model for TC4 Alloy Rod during the Three-Roll Tandem Rolling Process[J].稀有金屬材料與工程,2013,42(5):909~913.[Shuai Meirong, Huang Qingxue, Zhu Yanchun, Pan Lu. Spread Model for TC4 Alloy Rod during the Three-Roll Tandem Rolling Process[J]. Rare Metal Materials and Engineering,2013,42(5):909~913.]
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  • 收稿日期:2012-05-15
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