一种基于统一系数的方法,通过斜式激光冲击磨来提高模具喷射器针导孔的耐磨性
Enfu Liu1, Yueying Ye1,2, Yudie Zhang1
1College of Marine Equipment and Mechanical Engineering, Jimei University, Xiamen 361021, China.
Materials (Basel, Switzerland)
|January 28, 2026
概括
这项研究介绍了一种复合材料强化方法,将化与斜激光冲击切割 (N-OLSP) 结合起来,以减少注塑模具喷射器针导孔的磨损. N-OLSP显著提高了耐磨性,降低了高达66.85%的磨损率.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 表面工程是什么?表面工程是什么?
背景情况:
- 注塑模组件,如喷射器针导孔,由于经常的孔轴滑动而经历严重磨损.
- 这种磨损减少了部件的寿命,并影响了模具的性能.
- 现有的加强方法可能无法提供足够的统一保护.
研究的目的:
- 提出和评估一种新的复合材料强化方法,用斜激光冲击削 (N-OLSP) 进行化,以提高喷射器针导孔的耐磨性.
- 为了研究激光冲击对强化结果的效果.
- 与未经处理和化样本相比,量化N-OLSP方法实现的磨损减少.
主要方法:
- 开发了一种复合强化方法,该方法结合了化和斜激光冲击切割 (N-OLSP).
- 定义了激光冲击切割均系数 (k),以评估周长和轴向均性.
- 通过控制相邻点 (≥0.98) 之间的均系数比率来确定最佳的激光步骤角度.
- 对未经处理,化物和N-OLSP处理的样本进行了比较磨损测试.
主要成果:
- N-OLSP显著改善了引导孔的表面硬度和剩余压力.
- 硬度和应力改善的程度与激光冲击切割均系数 (k) 有正相关.
- 通过N-OLSP处理,孔口的磨损率最低 (0.60微米/小时).
- 与未经处理和化样品相比,N-OLSP分别减少了66.85%和16.67%的磨损率.
结论:
- N-OLSP复合材料增强方法有效地提高了喷射器针导孔在注射模具中的耐磨性.
- 优化激光冲击切割均性对于最大限度地提高N-OLSP治疗的好处至关重要.
- N-OLSP为缓解关键模具组件磨损提供了卓越的解决方案.
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