Abstract Titanium alloy is difficult to machine due to its low thermal conductivity, high strength, and low machining efficiency, posing a significant challenge to the machining process. This study investigates the machining performance of Ti6Al4V under conventional turning (CT), micro-texture turning (MT), ultrasonic vibration turning (UVT), and micro-texture coupled with ultrasonic vibration turning (MT+UVT). A three-dimensional finite element simulation was conducted to compare cutting force and tool temperature across these methods. The results show that MT, UVT, and MT+UVT significantly improve machining performance compared to CT. MT reduces friction by decreasing the tool-chip contact area, UVT enables intermittent cutting through high-frequency vibration, and MT+UVT combines both advantages, achieving the greatest reduction in cutting force and tool temperature. This study provides valuable insights for the efficient machining of titanium alloys.
Rui et al. (Fri,) studied this question.
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