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CFRP 드릴링 공정에서의 공구마모 비교분석과 모니터링에 관한 연구

Comparative Analysis and Monitoring of Tool Wear in Carbon Fiber Reinforced Plastics Drilling

Journal of the Korean Society for Precision Engineering 2020;37(11):813-818.
Published online: November 1, 2020

1 경북대학교 일반대학원 기계공학과

2 한국생산기술연구원

3 퍼듀대학교 기계공학부

4 경북대학교 기계공학부

1 Department of Mechanical Engineering, Graduate School, Kyungpook National University

2 Korea Institute of Industrial Technology

3 School of Mechanical Engineering, Purdue University

4 School of Mechanical Engineering, Kyungpook National University

#E-mail: yhjeong@knu.ac.kr, TEL: +82-53-950-5577
• Received: September 6, 2020   • Revised: September 28, 2020   • Accepted: September 28, 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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Comparative Analysis and Monitoring of Tool Wear in Carbon Fiber Reinforced Plastics Drilling
J. Korean Soc. Precis. Eng.. 2020;37(11):813-818.   Published online November 1, 2020
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Comparative Analysis and Monitoring of Tool Wear in Carbon Fiber Reinforced Plastics Drilling
J. Korean Soc. Precis. Eng.. 2020;37(11):813-818.   Published online November 1, 2020
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Comparative Analysis and Monitoring of Tool Wear in Carbon Fiber Reinforced Plastics Drilling
Image Image Image Image Image Image Image Image
Fig. 1 Experimental setup and the overview of study
Fig. 2 Drilling tool (Drill) and CFRP workpiece used in this study
Fig. 3 Tool wear and machining quality with respect to drilling count (Equivalently, number of drilled holes) during drilling 500 holes in CFRP
Fig. 4 Variation of tool wear under same drilling condition
Fig. 5 Behavior of thrust force, motor torque, and filtered motor torque during single hole drilling
Fig. 6 Relationships between motor torque, thrust force and tool wear
Fig. 7 Tool wear estimation during drilling 120 holes (Test #2 in Fig. 4)
Fig. 8 Comparison of drilling counts and measured (or actual) tool wear when tools were estimated to meet their maximum wear (or life ends)
Comparative Analysis and Monitoring of Tool Wear in Carbon Fiber Reinforced Plastics Drilling