Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

An Investigation into the Surface Integrity of Micro-Machined Hard Cutting Tools

Minh Nhat Dang
* ORCID logo ,
Surinder Singh
ORCID logo ,
John Henry Navarro-Devia
,
Rosalie K. Hocking
,
Scott A. Wade
ORCID logo ,
Guy Stephens
,
Angelo Papageorgiou
,
James Wang
*
Version 1 : Received: 4 September 2023 / Approved: 6 September 2023 / Online: 6 September 2023 (09:39:15 CEST)

A peer-reviewed article of this Preprint also exists.

Dang, M.N.; Singh, S.; Navarro-Devia, J.H.; King, H.J.; Hocking, R.K.; Wade, S.A.; Stephens, G.; Papageorgiou, A.; Wang, J. An Investigation into the Surface Integrity of Micro-Machined High-Speed Steel and Tungsten Carbide Cutting Tools. Micromachines 2023, 14, 1970. Dang, M.N.; Singh, S.; Navarro-Devia, J.H.; King, H.J.; Hocking, R.K.; Wade, S.A.; Stephens, G.; Papageorgiou, A.; Wang, J. An Investigation into the Surface Integrity of Micro-Machined High-Speed Steel and Tungsten Carbide Cutting Tools. Micromachines 2023, 14, 1970.

Abstract

The performance and lifespan of cutting tools are significantly influenced by their surface quality. The present report highlights recent advances in enhancing the surface characteristics of tungsten carbide and high-speed steel cutting tools using a novel micro-machining technique for polishing and edge-honing. Notably, the main aim is to reduce the surface roughness while maintaining the hardness of the materials at an optimal level. By conducting a thorough analysis, of surfaces obtained with different techniques. It was that micro-machining method effectively decreased the surface roughness of the cutting tools, most effectively of the techniques investigated. Significantly, the surface roughness is reduced from an initial measurement of 400 nm to an impressive value of 60 nm. No significant change in hardness was observed, which guarantees the maintenance of the mechanical properties of the cutting tools. This analysis enhances the comprehension of surface enhancement methodologies for cutting tools through the presentation of these findings. The observed decrease in surface roughness, along with the consistent hardness, exhibits potential for improving tool performance. These enhancements possess the capacity to optimise manufacturing processes, increase tool reliability, and minimise waste generation.

Keywords

micro machining; cutting tools; tungsten carbide; high speed steels; surface roughness; surface finish; edge preparation

Subject

Engineering, Industrial and Manufacturing Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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