轮电极的增材制造和轮腔的EDM
Kai Jiang1, Yangquan Liu2, Bin Xu2
1School of Computer Science and Software Engineering, Shenzhen University of Information Technology, Shenzhen 518172, China.
Micromachines
|October 29, 2025
概括
本研究介绍了一种使用铜粉选择性激光烧结 (SLS) 来制造电解电加工 (EDM) 电极的新方法. 这种技术可以提高复杂轮腔的材料效率和加工性能.
科学领域:
- 制造业 工程 制造工程
- 材料科学 材料科学 材料科学
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 塑料轮在各种行业中至关重要,通常使用轮腔进行注射成型.
- 电放电加工 (EDM) 是用于加工这些腔的标准,使用通常通过造制成的工具电极.
- 对于EDM电极的削工艺带来了挑战,特别是螺旋轮,包括材料浪费和复杂的程序.
研究的目的:
- 开发用于螺旋和螺旋形轮腔的EDM工具电极的替代制造方法.
- 解决材料浪费和与传统削方法相关的过程复杂性,用于电极制造.
- 在EDM应用中评估增材制造的电极的性能.
主要方法:
- 通过选择性激光烧结 (SLS) 使用铜粉制造轮电极.
- 对制造的电极进行热处理.
- 分析影响工具电极电导率的工艺参数.
- 在EDM中利用热处理电极来制造螺旋和螺旋形轮腔.
主要成果:
- 选择性激光烧结 (SLS) 成功地从铜粉中生产了轮电极.
- 应用了热处理,并分析了其对电导率的影响.
- 在EDM中使用了由SLS制造的电极,实现了0.0029 mm3/min的工具磨损率 (TWR) 和0.3872 mm3/min的材料移除率 (MRR).
- 通过SLS制造的电极的MRR显示了与制制造的电极相比的31.53%的显著改善.
结论:
- 选择性激光烧结 (SLS) 为制造复杂轮几何形状的EDM工具电极提供了可行和高效的替代方案.
- 开发的方法可以提高EDM应用中的材料利用率和工艺效率.
- 改进的MRR证明了增材制造在生产精密加工的高性能电极方面的潜力.
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