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<p>This study aims to investigate the cutting performance of coated carbide milling tools during the ultrasonic vibration-assisted milling of Ti-6Al-4V alloy, particularly emphasis on cutting forces, surface roughness, and tool wear characteristics. The research evaluates the efficiency of TiAlSiN-coated and TiAlCrSiN-coated carbide tools in high-speed dry precision machining of Ti-6Al-4V alloy, utilizing ultrasonic vibration enhancement. The study demonstrated that the application of ultrasonic vibration during milling processes can effectively improve cutting forces, reduce machined surface roughness, and minimize tool wear. Furthermore, the TiAlSiN coating exhibited higher hardness and superior substrate adhesion than TiAlCrSiN coating, which leading to enhanced cutting performance in terms of reduced cutting force, improved surface finish, and decreased tool wear. Further experimental analysis revealed that a feed rate of 100&#xa0;mm/min yields the most stable cutting forces during the machining of Ti-6Al-4V alloy at different feed rates. Therefore, this study indicates that the optimal parameters for high-speed dry precision machining of Ti-6Al-4V titanium alloy involve using TiAlSiN-coated carbide tools at a feed rate of 100&#xa0;mm/min, combined with ultrasonic vibration assistance.</p>

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Ultrasonic-Assisted Milling of Ti-6Al-4V Alloy with Coated Cemented Carbide Tools

  • 期刊论文

  • 发表日期：

    2025年9月26日

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  • Ergeng Zhang,
  • Xinzhe Wang,
  • Qiong Zhou,
  • Biao Huang,
  • Qiang Chen,
  • Dandan Liang

摘要

This study aims to investigate the cutting performance of coated carbide milling tools during the ultrasonic vibration-assisted milling of Ti-6Al-4V alloy, particularly emphasis on cutting forces, surface roughness, and tool wear characteristics. The research evaluates the efficiency of TiAlSiN-coated and TiAlCrSiN-coated carbide tools in high-speed dry precision machining of Ti-6Al-4V alloy, utilizing ultrasonic vibration enhancement. The study demonstrated that the application of ultrasonic vibration during milling processes can effectively improve cutting forces, reduce machined surface roughness, and minimize tool wear. Furthermore, the TiAlSiN coating exhibited higher hardness and superior substrate adhesion than TiAlCrSiN coating, which leading to enhanced cutting performance in terms of reduced cutting force, improved surface finish, and decreased tool wear. Further experimental analysis revealed that a feed rate of 100 mm/min yields the most stable cutting forces during the machining of Ti-6Al-4V alloy at different feed rates. Therefore, this study indicates that the optimal parameters for high-speed dry precision machining of Ti-6Al-4V titanium alloy involve using TiAlSiN-coated carbide tools at a feed rate of 100 mm/min, combined with ultrasonic vibration assistance.