多级热造中的热管理:接触和喷雾冷却建模中的计算进步.
Gonzalo Veiga-Piñeiro1, Elena Martin-Ortega1, Salvador Pérez-Betanzos2
1Instituto de Física e Ciencias Aeroespaciais (IFCAE), Universidade de Vigo, Campus As Lagoas, 32004 Ourense, Spain.
Materials (Basel, Switzerland)
|July 30, 2025
概括
在热造中,精确的热管理是最小化缺陷的关键. 这项研究开发了一个验证的热分析框架,用于完整的造周期,改善模具性能和零件质量.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
- 制造过程 制造过程 制造过程
背景情况:
- 热造创新,如浮动模具,需要精确控制模具几何扭曲.
- 热梯度是这些扭曲的主要原因,影响生产效率和零件质量.
研究的目的:
- 为完整的热造周期引入一个全面的热分析框架.
- 开发和实施先进的传热模型,以准确评估模具的热行为.
主要方法:
- 开发了一种依赖压力和滑的接触热传递模型.
- 创建了一个喷雾冷却模型,模拟模板表面上的液体分散.
- 在FORGE-NxT软件中实现模型,并与工业热成像数据验证.
主要成果:
- 开发的框架准确地模拟了整个造周期,包括切片转移,造,喷雾冷却和滑.
- 经过验证的模拟结果显示,与工业数据相比,平均温度偏差只有5.8%.
- 该方法提供了可靠的估计热场在 dies.
结论:
- 经过验证的热分析框架是优化热工艺的实用工具.
- 它可以通过精确的热场估计来减少形和延长子寿命.
- 该方法可适应各种热造应用,要求对质量和效率进行关键的热控制.
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