在圆柱形插头上绘制薄壁CuSn8合金管的过程的数值分析
Maciej Suliga1, Sebastian Mróz1, Piotr Szota1
1Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, Armii Krajowej 19, 42-201 Czestochowa, Poland.
Materials (Basel, Switzerland)
|June 27, 2025
概括
薄壁铜合金管的最佳拉角为2α = 22°,最大限度地减少拉力和工具磨损. FEM模拟显示,较高的角度增加了应力,应变,并显著加快了插头磨损.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 制造过程 制造过程 制造过程
背景情况:
- 管道绘制是生产无管的关键金属成型工艺.
- Sn8合金广泛应用于各种需要薄壁管的工业应用.
- 工具磨损和材料变形是优化管道绘制的关键挑战.
研究的目的:
- 通过使用有限元法 (FEM) 模拟,研究绘图角度对薄壁CuSn8合金管中的应力,应变和工具磨损的影响.
- 为了确定最优的拉角,最大限度地减少拉力和工具磨损.
- 为了识别潜在的缺陷,由非最佳的绘图几何构造产生的.
主要方法:
- 使用有限元法 (FEM) 计算机模拟.
- 模拟集中在圆柱形,薄壁CuSn8合金管的绘制过程中.
- 分析了不同拉角 (2α从6°到38°) 对应力,应变和工具磨损的影响.
主要成果:
- 拉角显著影响应力,应变和工具磨损.
- 增加的拉角 (2α) 导致拉模磨损增加了5%,插头磨损增加了80%以上.
- 在更高的角度加速的工具磨损是由于绘图模具和插头的压力增加.
- 确定了2α = 22°的最佳拉角,从而使拉力减少了10%.
结论:
- 绘制角度是管道绘制过程中的关键参数,直接影响工具寿命和材料完整性.
- 2α=22°的角度提供了最好的平衡,以最大限度地减少薄壁CuSn8管的拉力和工具磨损.
- 错误的绘图几何可以导致材料缺陷,如断裂和墙壁厚度不均.
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