Junyu Yan, Mohd Azlan Suhaimi, Safian Sharif, Pui San Khoo, Kejia Zhuang, Syamsul Hadi
Due to their excellent comprehensive characteristics, titanium alloys have found widespread applications. Nonetheless, they are considered to be challenging for machines. The aims of manufacturing and processing are high efficiency, minimal cost, and high quality, while cutting parameters are crucial factors that influence the machining process. This manuscript focuses on optimizing cutting parameters for machining titanium alloys. High-speed dry milling was carried out on Ti6Al4V titanium alloy using coated carbide tools on a HASSVF3SS machining center. An orthogonal experiment featuring four factors, each with four levels, was designed to analyze surface roughness and cutting forces under varied milling parameters. The regression analysis results show that the main factors influencing milling force are axial cutting depth, cutting speed, and feed, with R2 = 0.9883, 0.9757, and 0.8854, respectively. Meanwhile, radial cut depth significantly influences surface roughness, with R2 = 0.6559. Using one-way Analysis of Variance to control the two aspects of cutting force and surface roughness, the optimal milling parameter is as follows: 0.1 mm axial cut depth, 90 m/min milling speed, 0.13 mm feed, and 6 mm radial cut depth. © 2026 Penerbit UTM Press. All rights reserved.
Advanced Manufacturing Research Group (AMRG), Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, UTM Johor Bahru, Johor, 81310, Malaysia; Department of Mechanical and Aerospace Engineering, Faculty of Science and Technology, Tokyo University of Science, Chiba, Noda, 278-8510, Japan; School of Mechanical and Electronic Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan, 430070, China; Advanced Manufacturing Research Center, State Polytechnic of Malang, Malang, 65141, Indonesia