기계 학습 기법을 이용한 밀링 공정 중 엔드밀 마모 진단 시스템
Abstract
The quality of a product significantly varies depending upon the wear condition of a tool during a milling process. In industrial sites, a change in the surface condition of the product or the sound of processing is detected, and the tool is visually inspected to determine the wear state. In this study, a technique was developed for wear state identification of tools using audio data to prevent the errors caused due to visual inspection. The audio data was recorded during the milling process, and the data dimensionality reduction was performed using principal component analysis (PCA) and partial least squares (PLS). The data were classified using kernel support vector machine (SVM) by applying various functions.
Keywords:
Milling, Endmill, PCA, PLSReferences
- Ruzhong, Z., Wang, K. K., Merchant, E., 1983, Modeling of Cutting Force Pulsation in Face Milling, CIRP Ann-Manuf. Technol., 32:1 21-26. [https://doi.org/10.1016/S0007-8506(07)63354-X]
- Seo, J. H., Kim, S. I., Kim, T. Y., 1995, An Experimental Study on the Tool Failure Detection in the Machining by Face Milling, J. Korean Soc. Precis. Eng., 12:3 92-100.
- Lee, G., 2003, Tool Condition Monitoring Based on Wavelet Transform, Master Thesis, Sogang University, Republic of Korea.
- Maeng, M. J., 2004, Fracture Detection of Milling Cutter Usng Cutting Force and Acoustic Emission Signals, J. Korean Soc. Manuf. Process Eng., 3:1 28-37.
- Grosse, C., Ohtsu, M., 2008, Acoustic Emission Testing, Springer, Berlin. [https://doi.org/10.1007/978-3-540-69972-9]
- Lee, C. H., Jwo, J. S., Hsieh, H. Y., Lin, C. S., 2020, An Intelligent System for Grinding Wheel Condition Monitoring Based on Machining Sound and Deep Learning, IEEE Access, 8 58279-58289. [https://doi.org/10.1109/ACCESS.2020.2982800]
- Vununu, C., 2017, A Sound Diagnosis System with Deep Learning for Machine Fault Detection, Master Thesis, Pukyong National Universiy, Republic of Korea.
M.Sc candidate in the Department of Advanced Process Engineering , Inha University. His research interest is Machine.
E-mail: 95220007@inha.edu