A 2³ Factorial Design for Studying Parameters Affecting the Wear of TiAlN-Coated Cutting Tools in SKD61 Steel Milling

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Published: Jan 21, 2026
Keywords:
Factorial design tool wear TiAlN-coated cutting tool Optimization, Tool Wear, TiAlN-coated Cutting Tool, SKD61 Tool Steel

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Kerkchai Meenu
Department of Industrial Education and Technology, Faculty of Engineering, Rajamangala University of Technology Lanna Phitsanulok
Somchai Peopayom
Department of Industrial Education and Technology, Faculty of Engineering, Rajamangala University of Technology Lanna Phitsanulok

Abstract

Milling is one of the essential machining processes in the manufacturing industry, particularly for high-precision applications. A major challenge in this process is tool wear, which directly affects tool life and the surface quality of the workpiece. This research aims to investigate the effects of milling parameters on the flank wear of TiAlN-coated cutting tools during the milling of SKD61 steel. A 2k factorial design of experiments was employed to analyze three independent variables: cutting speed, feed rate, and spindle speed. Flank wear (VBA) was measured in accordance with ISO 3685-1997. The results revealed that cutting speed and feed rate significantly influenced tool wear (p < 0.05). The optimal condition—cutting speed of 40 m/min, feed rate of 828 mm/min, and spindle speed of 2,387 rpm—produced the lowest average flank wear of 0.0428 microns. These findings contribute to extending tool life and reducing production costs effectively. The outcome can be applied to define optimal milling parameters to enhance productivity and cost-effectiveness in industrial manufacturing processes.

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How to Cite
[1]
K. Meenu and S. . Peopayom, “A 2³ Factorial Design for Studying Parameters Affecting the Wear of TiAlN-Coated Cutting Tools in SKD61 Steel Milling”, sej, vol. 22, no. 1, pp. 24–34, Jan. 2026.
Issue
Vol. 22 No. 1 (2026): January - June 2026
Section
Research Articles
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