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PCD 공구를 이용한 초경합금의 V자형 미세 채널 가공

Machining of V-Shaped Microchannel on Cemented Carbide Using PCD Tools

Journal of the Korean Society for Precision Engineering 2022;39(10):747-752.
Published online: October 1, 2022

1 숭실대학교 대학원 기계공학과

2 숭실대학교 기계공학부

1 Department of Precision Engineering, Graduate School, Soongsil University

2 School of Mechanical Engineering, Soongsil University

#E-mail: bhkim@ssu.ac.kr, TEL: +82-2-820-0653
• Received: July 11, 2022   • Revised: August 18, 2022   • Accepted: August 29, 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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    Journal of the Korean Society for Precision Engineering.2025; 42(4): 325.     CrossRef
  • Machining Characteristics of Micro EDM of Silicon Carbide
    Ju Hyeon Lee, Chan Young Yang, Bo Hyun Kim
    Journal of the Korean Society for Precision Engineering.2024; 41(2): 131.     CrossRef
  • Study on Micro Grooving of Tungsten Carbide Using Disk Tool
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    Journal of the Korean Society for Precision Engineering.2024; 41(2): 123.     CrossRef

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Machining of V-Shaped Microchannel on Cemented Carbide Using PCD Tools
J. Korean Soc. Precis. Eng.. 2022;39(10):747-752.   Published online October 1, 2022
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J. Korean Soc. Precis. Eng.. 2022;39(10):747-752.   Published online October 1, 2022
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Machining of V-Shaped Microchannel on Cemented Carbide Using PCD Tools
Image Image Image Image Image Image Image Image Image
Fig. 1 Micro machining system and WEDG system
Fig. 2 Schematic diagram of the fabrication of micro conical tool by WEDG
Fig. 3 Micro conical tool fabricated by WEDG
Fig. 4 V-shaped microchannel machined on cemented carbide (a) SEM image, and (b) 3D surface profile
Fig. 5 V-shaped microchannel machined on cemented carbide (a) SEM image, (b) Enlarged view, and (c) Cross-sectional profile of channels
Fig. 6 Machined surfaces of channel’s (a) Side wall, and (b) Bottom
Fig. 7 Tool wear at the tool end according to machining length (a) 2,500, and (b) 10,000 μm
Fig. 8 Cross-section of microchannels at different machining lengths (a) 2,500, and (b) 10,000 μm
Fig. 9 Bottom width of channels according to machining length
Machining of V-Shaped Microchannel on Cemented Carbide Using PCD Tools
Properties Value
Composition WC 0.5 μm-13%Co
Hardness [HRA] 92-93
HV 1,450-1,690
Density [g/cm3] 13.9-14.2
Feedrate [μm/s] 5
Rotational speed [RPM] 60,000
Axial depth of cut [μm] 5
Total cutting depth [μm] 60
Table 1 Mechanical properties of cemented carbide
Table 2 Machining parameters