使用ANN和NSGA-II对硬化工具钢的WEDM的几何影响和多目标优化
Muhammad Sana1, Muhammad Asad2, Anamta Khan3
1Department of Mechanical and Industrial Engineering, Montana State University, Bozeman, MT, 59717, USA.
Scientific reports
|November 25, 2025
概括
这项研究优化了硬化D2和DC53工具钢的线电放电加工 (WEDM) 参数. 优化显著提高了平面和曲线配置文件的切割速度和材料去除率.
科学领域:
- 材料科学与工程 材料科学与工程
- 制造业 制造技术 制造技术
背景情况:
- 硬化AISI D2和DC53工具钢提供优越的强度和耐磨性,对于工具和模具制造至关重要.
- 由于磨蚀性金属碳化物,这些钢的传统加工具有挑战性,需要WEDM等先进技术.
- 工件的几何特征可以影响WEDM过程的结果.
研究的目的:
- 调查WEDM参数对D2和DC53钢的平面和曲面配置文件的切割速度 (CS) 和材料去除率 (MRR) 的影响.
- 通过使用Taguchi L18直角阵列,系统地评估不同几何属性的性能变化.
- 开发预测模型并优化WEDM流程以提高效率.
主要方法:
- 使用Taguchi L18直角阵列来设计用于评估加工参数 (峰值电流,电压,脉冲持续时间) 和材料类型 (D2,DC53) 的实验.
- 采用扫描电子显微镜 (SEM) 和能量散射X射线 (EDX) 分析来了解过程物理.
- 应用人工神经网络 (ANN) 用于预测输出参数和差异分析 (ANOVA) 用于统计分析.
- 使用非主导排序遗传算法II (NSGA-II) 优化参数.
主要成果:
- WEDM参数变化对平面和曲线配置文件显著影响CS和MRR.
- ANN模型有效地预测了WEDM结果,将实验值与预期值关联起来.
- 与未优化设置相比,NSGA-II优化带来了实质性的改进:63.17% (CS,平),75.36% (MRR,平),74.10% (CS,曲线) 和73.38% (MRR,曲线).
结论:
- 该研究成功地确定了硬化D2和DC53钢的最佳WEDM参数,提高了加工效率.
- 塔古奇方法,ANN和NSGA-II的整合为优化复杂的制造流程提供了一个强大的框架.
- 取得的显著性能增长证明了使用优化WEDM的工具和模具制造提高生产率的潜力.
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