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    無縫鋼管斜軋單位軋制壓力計算

    Calculation of Unit Rolling Pressure for Rotary Rolling of Seamless Steel Tube

    • 摘要: 基于斜軋工藝變形特點及斜軋軋制空間關系，采用工程塑性力學方法，建立斜軋軋制單位壓力的解析計算方法。分析斜軋空間結構和變形特點及斜軋變形區(qū)內變形特征斷面的幾何關系、變形特征斷面內變形單元切塊的應力狀態(tài)，建立變形單元切塊的應力微分方程，并求解出斜軋變形區(qū)軋制單位壓力的計算公式，最后用實例驗證軋制單位壓力的計算公式。該解析計算方法可用于一般斜軋軋制力能參數(shù)的計算，并對斜軋變形進行應力、應變分析。

       

      Abstract: Based on the deformation characteristics of the rotary rolling process, the engineering plastic mechanics method is used to establish the analytical calculation method for unit rolling pressure.Accordingly analyzed here in the paper are the geometrical relationship between the rotary rolling space structure and the deformation characteristics and the deformation characteristic cross section in the rotary rolling deformation zone, and the stress status of the deformation unit block.As a result the stress calculus equation of the deformation block is obtained, and in turn the calculation formula for the unit rolling pressure of the rotary rolling process is solved, and subjected to verification with relevant living examples.This analytical calculation method is applicable to calculation of general rotary rolling force mechanics parameters as well as analysis of rolling deformation stress and strain.

       

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