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熱作模具鋼連軋過程力學參數的有限元分析

Finite Element Analysis of Rolling Force and Torque during Hot Continuous Rolling of Hot Work Steel

  • 摘要: 采用三維熱力耦合彈塑性有限元軟件及其接觸分析技術,在準確制定相關邊界條件基礎上對φ200mm規格的熱作模具鋼二機架熱連軋過程的金屬三維流動進行了有限元模擬,準確地計算了力學參數(如軋制力和力矩)的分布情況并對軋輥強度進行了分析,從中確定了安全可行的軋制方案.

     

    Abstract: The hot continuous rolling process for φ200 mm round bars of a hot work steel is simulated by using the three-dimensional thermal-mechanical coupled elastoplastic finite element method. The changes in rolling force and torque during the rolling process are calculated precisely. As a result, the roll strength and profiles can be verified and/or modified, from which a more reliable roll pass schedule can been chosen.

     

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