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<p>For the TC11 titanium alloy mortise and tenon structure, roughing milling cutter, rough forming milling cutter and semi-finishing forming cutter were used for experimental machining. The effect of different process parameters on milling force and tool wear in different processes was analyzed, and then the parameters were optimized with material removal rate (<i>MRR</i>) and tool wear as the optimization target. The results showed that the coated carbide milling cutter had better cutting performance than high-speed steel and carbide cutter. Within the machining parameter range, a spindle speed of 440 r/min, an axial cutting depth of 1&#xa0;mm, and a feed rate was 60 mm/min, the roughing milling had a higher <i>MMR</i> and lower tool wear. Similarly, during rough forming milling, optimal performance in terms of <i>MMR</i> and tool wear was observed at a spindle speed of 400 r/min and a feed rate of 2&#xa0;mm/min. Furthermore, in the semi-finishing forming milling operation, the highest <i>MMR</i> and tool life were attained at a spindle speed of 600 r/min, a radial cutting depth of 0.3 mm, and a feed rate of 48 mm/min.</p>

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Experimental study on machining performance and tool wear of TC11 titanium alloy mortise and tenon milling

  • 期刊论文

  • 发表日期：

    2025年4月10日

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  • Xiaofei Lei,
  • Jian Chen,
  • Rong Wang,
  • Haitao Wu,
  • Biao Zhao,
  • Wenfeng Ding,
  • Ziang Liu,
  • Xu Liu

摘要

For the TC11 titanium alloy mortise and tenon structure, roughing milling cutter, rough forming milling cutter and semi-finishing forming cutter were used for experimental machining. The effect of different process parameters on milling force and tool wear in different processes was analyzed, and then the parameters were optimized with material removal rate (MRR) and tool wear as the optimization target. The results showed that the coated carbide milling cutter had better cutting performance than high-speed steel and carbide cutter. Within the machining parameter range, a spindle speed of 440 r/min, an axial cutting depth of 1 mm, and a feed rate was 60 mm/min, the roughing milling had a higher MMR and lower tool wear. Similarly, during rough forming milling, optimal performance in terms of MMR and tool wear was observed at a spindle speed of 400 r/min and a feed rate of 2 mm/min. Furthermore, in the semi-finishing forming milling operation, the highest MMR and tool life were attained at a spindle speed of 600 r/min, a radial cutting depth of 0.3 mm, and a feed rate of 48 mm/min.