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실시간 절삭 계수 식별 기반의 공구 마모 모니터링 시스템

Tool Wear Monitoring System based on Real-Time Cutting Coefficient Identification

Journal of the Korean Society for Precision Engineering 2022;39(12):891-898.
Published online: December 1, 2022

1 한국생산기술연구원 디지털전환연구부문

2 한국과학기술원 기계공학과

1 Digital Transformation R&D Department, Korea Institute of Industrial Technology

2 Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology

#E-mail: youngjae@kitech.re.kr, TEL: +82-31-8040-6165
• Received: September 19, 2022   • Revised: October 24, 2022   • Accepted: October 31, 2022

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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  • A Review of Intelligent Machining Process in CNC Machine Tool Systems
    Joo Sung Yoon, Il-ha Park, Dong Yoon Lee
    International Journal of Precision Engineering and Manufacturing.2025; 26(9): 2243.     CrossRef

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Tool Wear Monitoring System based on Real-Time Cutting Coefficient Identification
J. Korean Soc. Precis. Eng.. 2022;39(12):891-898.   Published online December 1, 2022
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J. Korean Soc. Precis. Eng.. 2022;39(12):891-898.   Published online December 1, 2022
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Tool Wear Monitoring System based on Real-Time Cutting Coefficient Identification
Image Image Image Image Image Image Image Image Image Image
Fig. 1 Cutting coefficient updated process
Fig. 2 Input factors for calculating sections with constant machining condition
Fig. 3 Constant machining condition index output through calculation (scix → 0: Air-cut, non-constant machining condition / 1: Constant machining condition)
Fig. 4 Real-time calculated Tool wear coefficient
Fig. 5 Device setting
Fig. 6 Monitoring hardware and software
Fig. 7 Pictures of measured tool wear (Workpiece: SM45C)
Fig. 8 Kwear update capture of monitoring program (Workpiece: SM45C)
Fig. 9 Comparison of tool wear data and tool wear coefficient (Workpiece: SM45C)
Fig. 10 Experimental results for Ti6Al4V
Tool Wear Monitoring System based on Real-Time Cutting Coefficient Identification

Cutting coefficient update process: Initial cutting coefficient

Ktc Krc Kte Kre
688.490 170.520 24.250 16.720

Cutting coefficient update process: Realtime cutting coefficient identification (In machining process)

Ctime [s] Ktc Krc Kte Kre
23.375 688.073 170.585 14.392 16.134
23.475 688.115 170.596 15.302 16.600
23.575 688.102 170.573 15.120 15.998

Cutting coefficient update process: Updated cutting coefficient (After machining cycle)

Ktc Krc Kte Kre
687.902 170.503 11.345 13.377
Table 1 Cutting coefficient update process: Initial cutting coefficient
Table 2 Cutting coefficient update process: Realtime cutting coefficient identification (In machining process)
Table 3 Cutting coefficient update process: Updated cutting coefficient (After machining cycle)