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Abstract：
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The forming of deep hole tubular workpiece by the extrusion forming process is a difficult problem The temperature is not easy to be controlled in the forming process which leads to reducing the mold intensity and larger wall thickness difference after forming.Based on the analysis of deep hole tubular workpiece extrusion,The entire process simulation of deep hole tubular workpiece extrusion was carried out using non-linear finite element software MSC/Superform,ing into 5 time steps of 29,39,82,91,103.The metal flow tendency in the extrusion process was obtained.The analysis of the temperature field for each spot of extrusion in the forming process was carried out.The temperature of each spot of the mould in the actual extrusion process was simulated.Moreover,the load-stroke curve for all the steps was achieved in order to optimize the mold and each kind of forming parameters.Finally,the experiment was done according to the parameters of the simulation and qualified workpieces was obtained.
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Reference：
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