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25 October 2023 Optimization analysis of processing parameters for high efficiency wire cutting of TC4 alloy gear in space transmission mechanism
Kai Yang, Bin Zhang, Tianming Wang, Hengyi Zhang, Shucheng Guo, Xiaoshan Liu, Hanliang Liu, Yuliang Zhang, Xiaoming Lai
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Proceedings Volume 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023); 128013H (2023) https://doi.org/10.1117/12.3007105
Event: Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 2023, Dalian, China
Abstract
Titanium alloy has many advantages such as high Strength ratio and low density, and is widely used in space transmission mechanism. However, titanium alloy has poor wear resistance, poor high-temperature oxidation resistance and sensitive surface stress concentration, which leads to difficult grinding of titanium alloy gears and easy to destroy the surface. In addition, the space transmission mechanism has high lightweight requirements, and the gear structure has many lightweight treatments such as thin wall and hole digging, resulting in low overall gear stiffness. When machining, the cutting force is large, and the overall structure of the gear is at great risk of deformation. Therefore, it is proposed to use wire cutting to process titanium alloy gears, and to improve the processing efficiency by processing multiple gears at the same time. By means of orthogonal test, the effects of Processing voltage (OV), Discharge time (ON), Quiescent time (OFF) and Line feed (WF) on the tooth surface roughness were studied, and the optimal parameter combination was obtained: Processing voltage (OV) is 90V, Discharge time (ON) is 550ns, Quiescent time (OFF) is 10 μs and Line feed (WF) is level7. This scheme can meet the requirements of the quality of the tooth surface roughness and the machining efficiency at the same time.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Kai Yang, Bin Zhang, Tianming Wang, Hengyi Zhang, Shucheng Guo, Xiaoshan Liu, Hanliang Liu, Yuliang Zhang, and Xiaoming Lai "Optimization analysis of processing parameters for high efficiency wire cutting of TC4 alloy gear in space transmission mechanism", Proc. SPIE 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 128013H (25 October 2023); https://doi.org/10.1117/12.3007105
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KEYWORDS
Alloys
Titanium
Surface roughness
Teeth
Design and modelling
Resistance
Servomechanisms
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