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基于铝合金模锻冷锻多循环成型操作的耦合热机械有限元仿真的形式误差分析

Wei, Y.G. and Qin, Yi and Balendra, Rajendram (2001) 基于铝合金模锻冷锻多循环成型操作的耦合热机械有限元仿真的形式误差分析. Journal of Dalian Railway Institute, 12 (4). pp. 10-16.

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Abstract

In the cold forming process because the workpiece and the mold temperature changes with time to make the workpiece forming error also will change, the previous analysis of forming error only involves a single workpiece processing cycle. The effect of mechanical effect and thermal effect on the forming error is also considered. The forming error of the workpiece during the forming process of multi-cycle closed cold-forged aluminum is analyzed by finite element method. The forming error of the forming process is given, Of the error analysis formula. This formula can be used for other forming processes such as extrusion molding. This analytical work provides guidance for the research of high precision forming error compensation methods.