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4200厚板軋機扭振動力學研究

  • 摘要: 本軋機的特點是從開坯(最大鋼錠重40噸)到成品(鋼板最小厚度8毫米)生產都在這臺四輥可逆式單機座軋機上一氣呵成。由于軋輥接手強度受到空間條件限制致使傳動系統成為軋機的薄弱環節。本文是在使用電阻應變儀及光線示波器等對該軋機先后三次進行綜合測試的基礎上所作的傳動系統專題總結。主要內容有:軋機軸系扭振固有頻率和振型的電子計算機分析;各種咬鋼加載過程的動態反應及計算公式;總反應的簡化計算與反應譜;萬向接軸的動荷系數及其可能的最大值。文中提出降低動荷系數的方法。所列數據、公式和圖線可供設計者和操作者參考;也可與工藝聯系起來為進一步制訂控制負荷和優化軋制方案服務。

     

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