Study of face milling of hardened AISI D3 steel with a special design of carbide tools

被引：0
作者：
H. R. Siller
C. Vila
C. A. Rodríguez
J. V. Abellán
机构：
[1] Universitat Jaume I,Department of Industrial Systems Engineering and Design
[2] Tecnológico de Monterrey,Centre for Innovation in Design and Technology
来源：
The International Journal of Advanced Manufacturing Technology | 2009年 / 40卷
关键词：
Face milling; Hardened steel; Tungsten carbide tools;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper studies the impact of a special carbide tool design on the process viability of the face milling of hardened AISI D3 steel (with a hardness of 60 HRC), in terms of surface quality and tool life. Due to the advances in the manufacturing of PVD AlCrN tungsten carbide coated tools, it is possible to use them in the manufacturing of mould and die components. Experimental results show that surface roughness (Ra) values from 0.1 to 0.3 μm can be obtained in the workpiece with an acceptable level of tool life. These outcomes suggest that these tools are suitable for the finishing of hardened steel parts and can compete with other finishing processes. The tool performance is explained after a tool wear characterization, in which two wear zones were distinguished: the region along the cutting edge where the cutting angle (κ) is maximum (κmax) for a given depth of cut, and the zone where the cutting angle is minimum (κ = 0) that generates the desired surface. An additional machining test run was made to plot the topography of the surface and to measure dimensional variations. Finally, for the parameters optimal selection, frequency histograms of Ra distribution were obtained establishing the relationship between key milling process parameters (Vc and fz), surface roughness and tool wear morphology.
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页码：12 / 25
页数：13
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