Tool wear mathematical model of PCD during ultrasonic elliptic vibration cutting SiCp/Al composite

IF 4.2 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Refractory Metals & Hard Materials Pub Date : 2024-11-17 DOI:10.1016/j.ijrmhm.2024.106967

ZhaoPeng Hao, HuiHui Zhang, YiHang Fan

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引用次数: 0

Abstract

To better cutting the SiCp/Al composite material, it is necessary to accurately predict the tool wear state of the ultrasonic elliptic vibration cutting (UEVC) process. The main cutting force is one of the key output variables to evaluate the machining performance and the tool wear process. Therefore, based on the main cutting force, tool wear strength and tool wear mechanism, the relationship between the ratio of main cutting force and cutting yield strength and cutting wear are studied to find the optimal cutting temperature range of the minimum tool wear of SiCp/Al composite. Firstly, the tool wear experiments of UEVC SiCp/Al composite at different cutting speeds are conducted. Based on the analysis of the tool wear morphology, the tool wear mechanism is discussed, and the cutting temperature and the main cutting force value at different cutting speeds are measured. Then, the mathematical model of SiCp/Al composite is considering the characteristics of SiCp/Al composite. Finally, the optimal cutting temperature range is obtained based on this mathematical model. Furthermore, the accuracy of the mathematical model is verified by the tool wear experiment, and the best cutting temperature range is consistent with the prediction results.

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超声波椭圆振动切割 SiCp/Al 复合材料时 PCD 的刀具磨损数学模型

为了更好地切削 SiCp/Al 复合材料，有必要准确预测超声波椭圆振动切削（UEVC）过程中的刀具磨损状态。主切削力是评估加工性能和刀具磨损过程的关键输出变量之一。因此，基于主切削力、刀具磨损强度和刀具磨损机理，研究主切削力与切削屈服强度的比值与切削磨损之间的关系，从而找到 SiCp/Al 复合材料刀具磨损最小的最佳切削温度范围。首先，进行了 UEVC SiCp/Al 复合材料在不同切削速度下的刀具磨损实验。在分析刀具磨损形态的基础上，讨论了刀具磨损机理，并测量了不同切削速度下的切削温度和主切削力值。然后，考虑到 SiCp/Al 复合材料的特性，建立了 SiCp/Al 复合材料的数学模型。最后，根据该数学模型得出了最佳切削温度范围。此外，还通过刀具磨损实验验证了数学模型的准确性，最佳切削温度范围与预测结果一致。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

$International Journal of Refractory Metals & Hard Materials$

International Journal of Refractory Metals & Hard Materials 工程技术-材料科学：综合

CiteScore

7.00

自引率

13.90%

发文量

236

审稿时长

35 days

期刊介绍： The International Journal of Refractory Metals and Hard Materials (IJRMHM) publishes original research articles concerned with all aspects of refractory metals and hard materials. Refractory metals are defined as metals with melting points higher than 1800 °C. These are tungsten, molybdenum, chromium, tantalum, niobium, hafnium, and rhenium, as well as many compounds and alloys based thereupon. Hard materials that are included in the scope of this journal are defined as materials with hardness values higher than 1000 kg/mm2, primarily intended for applications as manufacturing tools or wear resistant components in mechanical systems. Thus they encompass carbides, nitrides and borides of metals, and related compounds. A special focus of this journal is put on the family of hardmetals, which is also known as cemented tungsten carbide, and cermets which are based on titanium carbide and carbonitrides with or without a metal binder. Ceramics and superhard materials including diamond and cubic boron nitride may also be accepted provided the subject material is presented as hard materials as defined above.