Influence of Ultrasonic Elliptical Vibration Cutting Trajectory Change on Surface Morphology

doi:10.3969/j.issn.1000-1093.2019.10.024

Abstract

Abstract: The motion characteristics of tool tip trajectory in ultrasonic elliptical vibration cutting are studied by changing the tool nose's amplitude and phase difference. The influences of elliptical vibration cutting trajectory shape and trajectory deviation on the machined surface morphology are analyzed, and a residual height model formed by the change in elliptical vibration cutting trajectory in cutting direction is established. A self-developed ultrasonic elliptical vibration cutting device is used to accurately control the change of elliptical vibration cutting trajectory achieved by changing the phase difference, and the influence of cutting trajectory change on the machined surface quality is analyzed. The experimental results show that the residual height in cutting direction and the change of tool dynamic angle caused by the cutting trajectory change are the important factors affecting the machined surface quality. A phase difference in ultrasonic elliptical vibration cutting is beneficial to restrain the burr and edge collapse and improve the surface quality. Key

Key words: ultrasonicellipticalvibrationcutting, trajectorychange, phasedifference, surfacemorphology

CLC Number:

JIANG Yu'an, PI Jun, YANG Guang, JIANG Tao, SHEN Zhihuang. Influence of Ultrasonic Elliptical Vibration Cutting Trajectory Change on Surface Morphology[J]. Acta Armamentarii, 2019, 40(10): 2170-2176.

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第40卷
第10期2019 年10月兵工学报ACTA
ARMAMENTARIIVol.40No.10Oct.2019

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