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3D Printing 기술을 활용한 위성 광학계 제작 기술

Satellite Optical System Manufacturing Technology Using 3D Printing Technology

Journal of the Korean Society for Precision Engineering 2024;41(2):117-122.
Published online: February 1, 2024

1 한밭대학교 기계공학과

2 한밭대학교 기계소재융합시스템공학과

3 충남대학교 기계공학과

1 Department of Mechanical Engineering, Hanbat University

2 Department of Mechanical Materials Convergence System Engineering, Hanbat University

3 Department of Mechanical Engineering, Chungnam University

#E-mail: ghkim@hanbat.ac.kr, TEL: +82-42-828-8531
• Received: October 30, 2023   • Revised: December 31, 2023   • Accepted: January 4, 2024

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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  • Structural Analysis Study for Performance Enhancement of 3D-printed CANSAT Structures
    Youngmo Seong, Eungdo Kim, Hyochang Lee, Jinsung Rho, Changbeom Choi
    Journal of the Korean Society for Precision Engineering.2026; 43(6): 653.     CrossRef

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Satellite Optical System Manufacturing Technology Using 3D Printing Technology
J. Korean Soc. Precis. Eng.. 2024;41(2):117-122.   Published online February 1, 2024
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J. Korean Soc. Precis. Eng.. 2024;41(2):117-122.   Published online February 1, 2024
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Satellite Optical System Manufacturing Technology Using 3D Printing Technology
Image Image Image Image Image Image Image Image Image
Fig. 1 3D printing metal mirror process
Fig. 2 Materials for basic experiments
Fig. 3 Diamond turning machine setting
Fig. 4 Surface of AlSi10Mg part before and after HIP
Fig. 5 After DT processing roughness measurement
Fig. 6 IR(1,000-2,300 nm) band reflectance measurement
Fig. 7 Topology optimization history
Fig. 8 3D printing mirror
Fig. 9 3D printing mirror form accuracy measurement
Satellite Optical System Manufacturing Technology Using 3D Printing Technology
Powder size [μm] 15-63
Laser power [W] 370
Laser speed [m/s] 1,200
Spot size [μm] 140
Hatching distance [μm] 130
Layer thickness [μm] 60
Pressure [MPa] 100
Temperature [°C] 510
Running time [min] 180
Cooling type [°C gas] 93
Parameters Conditions
Spindle speed [RPM] 1,500
Feed rate [mm/min] 2
Depth of cut [μm] 2
Before HIP After HIP Al6061-T6
#1 Ra [nm] 14.45 6.01 1.86
#2 Ra [nm] 22.53 5.78 1.77
#3 Ra [nm] 14.23 6.41 1.85
#4 Ra [nm] 24.39 6.38 1.79
#5 Ra [nm] 30.42 5.42 1.80
Aver Ra [nm] 21.20 6 1.81
Pvt [μm] 0.15
Smn [min] 0.84
Xp [mm] -10.99
RMS [nm] 32.39
Slpe rms [sec] 4.05
Table 1 3D printing conditions
Table 2 HIP conditions
Table 3 Experimental condition (DT)
Table 4 3D printing mirror roughness data
Table 5 3D printing mirror shape accuracy data