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Volume 14
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Article

An Experiment Study on Surface Topography of GH4169 Assisted by Ultrasonic Elliptical Vibration Ultra-Precision Turning

by
Gaofeng Hu
1,2,3,*,
Min Zhang
1,2,
Wendong Xin
1,2,
Shengming Zhou
1,2,
Yanjie Lu
1,2 and
Junti Lu
1,2
1
School of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin 300222, China
2
Tianjin Key Laboratory of High Speed Cutting and Precision Machining, Tianjin 300222, China
3
School of Mechanical Engineering, Tianjin University, Tianjin 300354, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2024, 14(13), 5515; https://doi.org/10.3390/app14135515
Submission received: 9 May 2024 / Revised: 18 June 2024 / Accepted: 21 June 2024 / Published: 25 June 2024
(This article belongs to the Section Additive Manufacturing Technologies)
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Abstract

Nickel-based superalloys (GH4169) are a typical difficult-to-machine material with poor thermal conductivity and severe work hardening. They are also prone to poor surface quality, severe tool wear, and poor machinability, which affect their performance. In this paper, an experimental study of GH4169 ultrasonic elliptical vibratory ultra-precision cutting was carried out. The experimental results show that ultrasonic elliptical vibratory cutting (UEVC) significantly reduces surface roughness and improves surface quality compared to conventional cutting (CC). The effects of cutting parameters such as cutting speed, feed rate, cutting depth, ultrasonic amplitude, and tool nose radius on the surface roughness of GH4169 workpieces were further investigated in UEVC. Based on the analysis of the experimental data, the optimal combination of parameters for GH4169 ultrasonic elliptical vibration ultra-precision cutting was determined: cutting speed of 3 m/min, feed rate of 16 μm/rev, cutting depth of 2 μm, ultrasonic amplitude of Ay = 3.0 μm, Az = 0.8 μm, and a tool nose radius of 0.8 mm. This parameter combination improves the machining quality of GH4169 and provides a valuable reference for the subsequent development of ultrasonic elliptical vibratory cutting for other difficult-to-machine materials.
Keywords: GH4169; ultrasonic elliptical vibration; ultra-precision turning; surface roughness GH4169; ultrasonic elliptical vibration; ultra-precision turning; surface roughness

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MDPI and ACS Style

Hu, G.; Zhang, M.; Xin, W.; Zhou, S.; Lu, Y.; Lu, J. An Experiment Study on Surface Topography of GH4169 Assisted by Ultrasonic Elliptical Vibration Ultra-Precision Turning. Appl. Sci. 2024, 14, 5515. https://doi.org/10.3390/app14135515

AMA Style

Hu G, Zhang M, Xin W, Zhou S, Lu Y, Lu J. An Experiment Study on Surface Topography of GH4169 Assisted by Ultrasonic Elliptical Vibration Ultra-Precision Turning. Applied Sciences. 2024; 14(13):5515. https://doi.org/10.3390/app14135515

Chicago/Turabian Style

Hu, Gaofeng, Min Zhang, Wendong Xin, Shengming Zhou, Yanjie Lu, and Junti Lu. 2024. "An Experiment Study on Surface Topography of GH4169 Assisted by Ultrasonic Elliptical Vibration Ultra-Precision Turning" Applied Sciences 14, no. 13: 5515. https://doi.org/10.3390/app14135515

APA Style

Hu, G., Zhang, M., Xin, W., Zhou, S., Lu, Y., & Lu, J. (2024). An Experiment Study on Surface Topography of GH4169 Assisted by Ultrasonic Elliptical Vibration Ultra-Precision Turning. Applied Sciences, 14(13), 5515. https://doi.org/10.3390/app14135515

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