工具边缘几何学的多目标优化,以提高转Ti6Al4V的切割性能
Zichuan Zou1, Ting Zhang2, Lin He3
1School of Mechanical & Electrical Engineering, Guizhou Normal University, Guiyang 550025, China.
Materials (Basel, Switzerland)
|September 13, 2025
概括
本研究介绍了切割工具设计的多目标优化框架,显著改善了性能指标. 优化工具显示了减少的切削力,温度和磨损,提高了工具寿命和芯片控制.
科学领域:
- 材料科学与工程 材料科学与工程
- 机械工程 机械工程
- 制造业 制造技术 制造技术
背景情况:
- 传统的切削工具设计依赖于试错或单一目标优化,无法解决复杂的合机制和多个性能指标.
- 现有的方法缺乏协调增强切削力,温度和刀具磨损,限制了整体刀具性能和寿命.
研究的目的:
- 提出和验证一个多目标优化框架,用于切削工具设计,整合联合模拟方法.
- 通过先进的优化技术,实现切削力,切削温度和刀具磨损率的协调改进.
- 在复杂的操作条件下建立切割工具设计的新范式.
主要方法:
- 开发用于直角转的有限元模型,结合高压触角 (TANH) 构成和可变系数摩擦模型.
- 对四种微槽配置的切割性能进行比较分析.
- 参数建模与模拟数据交互相结合,用于使用非主导排序遗传算法II (NSGA-II) 的多目标优化.
- 通过粉末金制造制造的优化工具的实验验证.
主要成果:
- 与基线工具相比,优化工具的切削力减少了19.3%,切削温度下降了14.2%,工具寿命增加了33.3%.
- 观察到增强的芯片控制,芯片卷曲半径减少了11.4%.
- 氧化/粘合物磨损的减少和优异的表面表面完成得到了实现,这表明耐用性和质量得到了改善.
结论:
- 拟议的多目标优化框架有效地克服了传统单参数优化方法的局限性.
- 该方法大大提高了全面的工具性能,在切割工具设计方面取得了重大进展.
- 本研究提供了一个参考范式,用于设计针对复杂的操作条件和多个性能标准而优化的切削工具.
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