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Wear Analysis of Warm Extrusion Dies using DEFORM

机译：使用变形的温暖挤出模具的磨损分析

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摘要

Based on a modified form of Archard's wear theory, significant data were obtained using the finite element analysis code DEFORM during the process of warm extrusion, including instantaneous interface temperature, sliding velocity, and interface pressure distribution of every node. From the acquired data, the wear of the punch, the temperature–wear coefficient curve, temperature–wear depth curve, and temperature–hardness curve were acquired. The results show that the maximum wear occurred in the front working tape of the punch. The results are in agreement with actual conditions, and therefore, lay a foundation for forecasting die life and optimizing die cavity profiles using this method.
机译：基于修改形式的Archard的磨损理论，使用在热挤出过程中的有限元分析码变形，包括每个节点的瞬时接口温度，滑动速度和接口压力分布的有限元分析码变形。从所获得的数据，获取冲头的磨损，温度磨损系数曲线，温度磨损深度曲线和温度硬度曲线。结果表明，最大磨损发生在冲头的前工作胶带中。结果符合实际条件，因此，使用该方法奠定了预测模具寿命和优化模腔谱的基础。

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