A Study on Tool Wear Prediction in Ultrasonic Vibration Turning of Tungsten Carbide

Abstract:

The prediction of tool wear can help understand the influence of tool wear on the machining process and result, and change or grind the worn tool in time. The two-dimensional ultrasonic vibration turning method can reduce the crack of tool and decrease the negative effect on processing thus extends the tool life. In this paper, two-dimensional ultrasonic cutting theory was applied to the precision machining of tungsten carbide. With self-developed two-dimensional ultrasonic cutting device, series of cutting experiments were carried out. During cutting process, the flank wear under different cutting length was observed; flank wear situations were compared with those in traditional cutting. In order to predict the tool wear and thus heighten the machining precision, a tool wear prediction model based on time series analysis method was built in the paper. The research results show the built AR (9) time series model can predict the flank wear condition with high precision.

• Periodical: Key Engineering Materials (Volume 693)
• Pages: 1228-1234
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.693.1228
• Online since: May 2016
• Authors: Feng Jiao, Ying Niu*, Jia Liang Qi, Jie Li
• Keywords: Time Series Model, Tool Wear, Tungsten Carbide, Two-Dimensional Ultrasonic Vibration

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