尖端微几何学对7075合金高速削中切削力的影响
Łukasz Żyłka1, Rafał Flejszar1, Paweł Lajmert2
1Department of Manufacturing Techniques and Automation, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, W. Pola 2 Str, 35-959 Rzeszow, Poland.
Materials (Basel, Switzerland)
|May 27, 2023
概括
这项研究分析了尖端微几何学如何影响合金削中的切削力. 边缘宽度显著影响力,最佳的切边半径约为15-20微米.
科学领域:
- 材料科学与工程 材料科学与工程
- 制造过程 制造过程 制造过程
背景情况:
- 优化切割工具微几何学对于高效加工先进材料,如7075合金至关重要.
- 了解尖端参数和切削力之间的关系对于工艺控制和工具寿命至关重要.
研究的目的:
- 为了研究尖端微几何学,特别是圆径和边缘宽度,在7075合金的加工过程中对切削力的影响.
- 开发实验数学模型,将这些几何参数与切削力变化相关联.
主要方法:
- 在不同条件下对切削力进行实验分析,切削边的圆半径和边缘宽度不同.
- 切割层横截面值,每颗牙的料和辐射料的系统变化.
- 对切断力信号的统计分析和经验模型的开发.
主要成果:
- 切削力主要受到边缘宽度的影响,其次是切削边缘的圆半径.
- 边缘宽度对切削力的影响是线性的,而圆半径的影响是非线性的和非单调的.
- 在约15-20微米的尖端圆半径下观察到最小的切削力.
结论:
- 边缘宽度是控制7075合金加工的切削力的主要因素.
- 已建立的模型为设计创新的切割机几何形状提供了基础,以最大限度地减少切割力.
- 进一步研究先进的切割机几何形状可以提高加工效率和表面质量.
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