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딥 러닝을 활용한 공구 상태 진단

Tool Condition Monitoring Using Deep Learning in Machining Process

Journal of the Korean Society for Precision Engineering 2020;37(6):415-420.
Published online: June 1, 2020

1 건국대학교 대학원 기계설계공학과

2 건국대학교 기계공학부

1 Department of Mechanical Design, Graduate School, Konkuk University

2 School of Mechanical Engineering, Konkuk University

#E-mail: changwoo1220@gmail.com, TEL: +82-2-450-3570
• Received: March 25, 2020   • Revised: April 13, 2020   • Accepted: April 27, 2020

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Anomaly Detection Method in Railway Using Signal Processing and Deep Learning
    Jaeseok Shim, Jeongseo Koo, Yongwoon Park, Jaehoon Kim
    Applied Sciences.2022; 12(24): 12901.     CrossRef
  • Comparative Analysis and Monitoring of Tool Wear in Carbon Fiber Reinforced Plastics Drilling
    Kyeong Bin Kim, Jang Hoon Seo, Tae-Gon Kim, Byung-Guk Jun, Young Hun Jeong
    Journal of the Korean Society for Precision Engineering.2020; 37(11): 813.     CrossRef

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Tool Condition Monitoring Using Deep Learning in Machining Process
J. Korean Soc. Precis. Eng.. 2020;37(6):415-420.   Published online June 1, 2020
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J. Korean Soc. Precis. Eng.. 2020;37(6):415-420.   Published online June 1, 2020
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Tool Condition Monitoring Using Deep Learning in Machining Process
Image Image Image Image Image Image Image Image
Fig. 1 Example of time domain signal
Fig. 2 Time domain image from signal
Fig. 3 Continuous wavelet transform image from signal
Fig. 4 Short-time Fourier transform image from signal
Fig. 5 Experiment setup
Fig. 6 Tool wear
Fig. 7 Machining shape
Fig. 8 Vibration data from accelerometer
Tool Condition Monitoring Using Deep Learning in Machining Process

Cutting condition

Feed
[m/min]
RPM
[rev/min]
Depth of cut
[mm]
Cutting
condition
188 12000 0.5 Fluid

Training result

Time-domain CWT STFT
Number of images 1206
Accuracy [%] 78.43 74.25 83.15
Table 1 Cutting condition
Table 2 Training result