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讨论了冷挤压中常见的流场及其特点 .通过对细密沟槽铝合金冷挤压件在挤压过程中的流场的分析 ,成功地解决了该类零件在冷挤压过程中的模具开裂问题 .实践证明 ,在临界状态下 ,均匀流场是该类零件冷挤压工艺成败的关键所在
The common flow field and its characteristics in cold extrusion are discussed.Through the analysis of the flow field during the extrusion of the fine grooved aluminum alloy cold extrusion, the successful solution of the cold extrusion process Mold cracking problem.Practice has proved that in the critical state, the uniform flow field is the key to the success or failure of the cold extrusion process of such parts