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탄소섬유복합재 가공용 CRD-워터젯 복합가공기의 드릴링 가공성 평가

Drilling Machinability Evaluation of Developed CRD-Waterjet Hybrid Machine for CFRP Machining

Journal of the Korean Society for Precision Engineering 2019;36(1):13-17.
Published online: January 1, 2019

1 한국생산기술연구원 생산시스템그룹

2 한국생산기술연구원 열유체시스템그룹

3 ㈜한국정밀기계

4 중앙대학교 기계공학부

1 Manufacturing System Group, Korea Institute of Industrial Technology(KITECH)

2 Thermal & Fluid System R & D Group, Korea Institute of Industrial Technology(KITECH)

3 HNK MACHINE TOOL Co., Ltd.

4 School of Mechanical Engineering, Chung-Ang University

#E-mail: tgkim@kitech.re.kr, TEL: +82-41-589-8406
• Received: November 14, 2018   • Revised: December 6, 2018   • Accepted: December 17, 2018

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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  • Effect of Vacuum Suction on Dust and Exit Burr Removal in FRP Drilling
    Jong-Hyun Baek, Su-Jin Kim
    Journal of the Korean Society of Manufacturing Process Engineers.2022; 21(11): 29.     CrossRef
  • Multistep Workpiece Localization with Automated Symmetry Identification for Aerospace Carbon Fiber Reinforced Plastic Components
    Minh Duc Do, Mingeon Kim, Duy Hung Nguyen, Soonyoung Han, Van Huan Pham, Hae-Jin Choi
    International Journal of Precision Engineering and Manufacturing-Green Technology.2022; 9(4): 1133.     CrossRef
  • Drill bit with clip-edges based on the force control model for reducing the CFRP damage
    Jiaxuan Hao, Fuji Wang, Meng Zhao, Yu Bai, Zhenyuan Jia
    Journal of Reinforced Plastics and Composites.2021; 40(5-6): 206.     CrossRef

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Drilling Machinability Evaluation of Developed CRD-Waterjet Hybrid Machine for CFRP Machining
J. Korean Soc. Precis. Eng.. 2019;36(1):13-17.   Published online January 1, 2019
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Drilling Machinability Evaluation of Developed CRD-Waterjet Hybrid Machine for CFRP Machining
J. Korean Soc. Precis. Eng.. 2019;36(1):13-17.   Published online January 1, 2019
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Drilling Machinability Evaluation of Developed CRD-Waterjet Hybrid Machine for CFRP Machining
Image Image Image Image Image Image Image
Fig. 1 Developed CRD-waterjet hybrid machining system
Fig. 2 Developed universal fixture system
Fig. 3 Flow analysis of CFRP dust hood for spindle speed
Fig. 4 Developed CFRP dust hood for tilting head unit
Fig. 5 Experimental setup using developed CFRP hybrid machining system
Fig. 6 Delamination factor comparison of conventional machine tool (CSCAM) and developed machine tool (HNK)
Fig. 7 Machined roughness of drilling surface for conventional machine tool (CSCAM) and developed machine tool (HNK)
Drilling Machinability Evaluation of Developed CRD-Waterjet Hybrid Machine for CFRP Machining
Workpiece and experiment parameters Value
CFRP
workpiece
Thickness 15 mm
Carbon fiber (Maker) T1000 (Toray)
Polymer matrix Epoxy
Glass transition
temperature
195°C - 210°C
Laminate
Structure
[Woven - 135° - 90°
- 135° - 0° - 45°
- 90° - 45° - 0° - 0°
- 45° - 135° - 90°
- 135°]s
Cutting
tool
Model (Maker) SSD060 (WIDIN)
Diameter 6 mm
Material Uncoated WC
# of flute 2
Helix angle 30°
Cutting
condition
Feed
[mm/rev]
0.05
Spindle speed
[rpm]
8,000
Table 1 CFRP workpiece and experimental conditions