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使用RQA进行切削力组件的综合分析:边缘几何和工艺参数的影响
Marcin Płodzień1, Łukasz Żyłka1, Michał Wydra2
1Department of Manufacturing Techniques and Automation, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, W. Pola Str. 2, 35-959 Rzeszow, Poland.
Materials (Basel, Switzerland)
|August 28, 2025
概括
与连续边缘相比,有牙的和波形的切削工具显著减少了合金上的磨削力. 工具边缘几何学对流程动态和稳定性产生深远影响,提供了优化机会.
科学领域:
- 材料科学与工程
- 制造过程
- 机械工程
背景情况:
- 优化合金的削工艺对于高效的制造至关重要.
- 切削工具边缘的几何形状是影响加工性能的一个关键因素.
- 了解削的动态行为对于过程稳定性至关重要.
研究的目的:
- 调查连续,形和波形切削边形对削力和动力学的影响.
- 分析加工参数 (切割速度,每个牙的料,辐射料) 对工艺行为的影响.
- 评估反复量化分析 (RQA) 在表征磨砂动态方面的有效性.
主要方法:
- 在AlZn5.5MgCu合金上进行了研磨实验.
- 使用盒子图表测量和分析了切割力组成部分.
- 对切断力信号进行了反复量化分析 (RQA),以评估系统动态.
- 使用线性差异分析 (LDA) 来验证RQA测量.
主要成果:
- 与连续边缘相比,有牙和波纹边缘工具降低了高达57%的正常力成分 (FfN),特别是在较低的切割速度 (vc) 和每牙的料 (fz).
- 这些几何在更高的辐射输入 (ae) 值时增加了信号可变性 (高达300%),表明了潜在的共振.
- RQA指标 (DET,Lmax,LAM) 显示了工具边缘几何和系统动态之间的强烈相关性.
- LDA证实了RQA在尖端类型之间进行区分的能力.
结论:
- 工具边缘的几何形状显著影响削力组件和动态行为.
- 形和波形边缘为合金削提供了增强工艺动态和降低力度的潜力.
- 根据加工条件仔细选择工具几何形状对于优化削稳定性和性能至关重要.
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