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위상최적화를 적용한 검사장비용 진공 그리퍼의 경량 설계

Lightweight Design of a Vacuum Gripper for Inspection Equipment Using Topology Optimization

Journal of the Korean Society for Precision Engineering 2021;38(9):683-690.
Published online: September 1, 2021

1 서울과학기술대학교 기계시스템디자인공학과

2 한국기계연구원 3D프린팅장비연구실

1 Department of Mechanical System Design Engineering, Seoul National University of Science & Technology

2 Department of 3D Printing, Advanced Manufacturing Systems Research Division, Korea Institute of Machinery & Materials

#E-mail: kpark@seoultech.ac.kr, TEL: +82-2-970-6358
• Received: June 15, 2021   • Revised: June 22, 2021   • Accepted: July 2, 2021

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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Citations

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  • A Study on Improvement of Flow Characteristics of TPMS Heat Exchanger based on Mathematical Filtering
    Seo-Hyeon Oh, Jeong Eun Kim, Ji Seong Yun, Do Ryun Kim, Jungwoo Kim, Chang Yong Park, Keun Park
    Journal of the Korean Society for Precision Engineering.2024; 41(7): 541.     CrossRef
  • A Study on Injection Mold Design Using Topology Optimization
    Mi-Jin Kim, Jae-Hyuk Choi, Gyeng-Yun Baek
    Journal of the Korean Society of Manufacturing Process Engineers.2022; 21(4): 100.     CrossRef

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Lightweight Design of a Vacuum Gripper for Inspection Equipment Using Topology Optimization
J. Korean Soc. Precis. Eng.. 2021;38(9):683-690.   Published online September 1, 2021
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Lightweight Design of a Vacuum Gripper for Inspection Equipment Using Topology Optimization
J. Korean Soc. Precis. Eng.. 2021;38(9):683-690.   Published online September 1, 2021
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Lightweight Design of a Vacuum Gripper for Inspection Equipment Using Topology Optimization
Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Configuration of vacuum gripper for inspection equipment
Fig. 2 Finite element model for the initial gripper design
Fig. 3 Structural FE analysis results for the initial gripper design
Fig. 4 Flow simulation results for the initial gripper design
Fig. 5 Topology optimization procedure for the two-piece model
Fig. 6 Topology optimization procedure for the one-piece model
Fig. 7 Structural FE analysis results for two-piece optimized model
Fig. 8 Structural FE analysis results for two-piece optimized model
Fig. 9 Flow simulation results for the two-piece optimized model
Fig. 10 Flow simulation results for the one-piece optimized model
Fig. 11 Additively manufactured vacuum gripper (a) Two-piece model, and (b) One-piece model
Fig. 12 Experimental setup to measure suction force
Fig. 13 Comparison of the suction force for three designs
Lightweight Design of a Vacuum Gripper for Inspection Equipment Using Topology Optimization

Mechanical properties for the gripper components

Material AL6061 SS304 Brass
Density [kg/m3] 2,770 8,000 8,525
Elastic modulus [GPa] 69 193 110
Poisson’s ratio 0.33 0.29 0.35
Yield strength [MPa] 145 215 217

Comparison of the simulation results for three designs

Designs Initial Two-piece One-piece
Mass [g] 12.94 7.44 2.80
δz [μm] 1.2 149.6 63.5
Safety factor 10.6 2.94 6.37
ΔP [kPa] 6.78 6.49 0.745
Table 1 Mechanical properties for the gripper components
Table 2 Comparison of the simulation results for three designs