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

  • H. R. Siller
  • C. VilaEmail author
  • C. A. Rodríguez
  • J. V. Abellán
ORIGINAL ARTICLE

Abstract

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.

Keywords

Face milling Hardened steel Tungsten carbide tools 

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Copyright information

© Springer-Verlag London Limited 2007

Authors and Affiliations

  • H. R. Siller
    • 1
  • C. Vila
    • 1
    Email author
  • C. A. Rodríguez
    • 2
  • J. V. Abellán
    • 1
  1. 1.Department of Industrial Systems Engineering and DesignUniversitat Jaume ICastellónSpain
  2. 2.Centre for Innovation in Design and TechnologyTecnológico de MonterreyMonterreyMexico

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