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300톤급 기계식 프레스 프레임의 위상-다목적 구조 최적화

Topology and Multi-Objective Structural Optimization of Frame Structure for a Mechanical Press with Capacity of 300 Ton

Journal of the Korean Society for Precision Engineering 2019;36(3):247-253.
Published online: March 1, 2019

1 한국항공대학교 대학원 항공우주및기계공학부

2 한국항공대학교 항공우주및기계공학부

1 Department of Aerospace and Mechanical Engineering, Graduate School, Korea Aerospace University

2 School of Aerospace and Mechanical Engineering, Korea Aerospace University

#E-mail: sikim@kau.ac.kr, TEL: +82-2-300-0176
• Received: June 4, 2018   • Revised: September 21, 2018   • Accepted: October 18, 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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Citations

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  • An high efficient structural design method integrated simulation-optimization-verification for improving stiffness of large heavy-duty press frames
    Rui Wang, Zhili Hu, Meng Ma
    Journal of Mechanical Science and Technology.2025; 39(3): 1191.     CrossRef
  • Simulation Analysis and Key Performance Index for Experimental Verification of a New Type of Press Transmission Mechanism
    Yanzhong He, Xiang Luo, Xingsong Wang
    Machines.2024; 12(7): 452.     CrossRef

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Topology and Multi-Objective Structural Optimization of Frame Structure for a Mechanical Press with Capacity of 300 Ton
J. Korean Soc. Precis. Eng.. 2019;36(3):247-253.   Published online March 1, 2019
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Topology and Multi-Objective Structural Optimization of Frame Structure for a Mechanical Press with Capacity of 300 Ton
J. Korean Soc. Precis. Eng.. 2019;36(3):247-253.   Published online March 1, 2019
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Topology and Multi-Objective Structural Optimization of Frame Structure for a Mechanical Press with Capacity of 300 Ton
Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Schematic diagram of a mechanical press based on dual servomotors
Fig. 2 Virtual prototype of the original mechanical press
Fig. 3 Structural analysis model of the original frame
Fig. 4 Structural deformation of the original frame
Fig. 5 Design space model of frame
Fig. 6 Topology optimized frame
Fig. 7 Structure-improved frame
Fig. 8 Structural deformation of the structure-improved frame
Fig. 9 Design variables of the structure-improved frame
Fig. 10 Relations between the analyzed and predicted loop stiffness and mass of the structure-improved frame
Fig. 11 Pareto optimum solutions
Fig. 12 Structural deformation of the original and optimized mechanical presses
Topology and Multi-Objective Structural Optimization of Frame Structure for a Mechanical Press with Capacity of 300 Ton

Specification of the mechanical press

Capacity (ton) 300
Stroke length (mm) 170
Number of stroke (spm) 50
Servomotor power (kW) 30
Slide surface (mm) 2500 (L) × 1000 (W)
Overall dimension (mm) 3000 (L) × 3200 (W) × 4650 (H)

Level of design variables

Design
variable
Level unit
-1 -0.5 0 0.5 1
x 1 40 57.5 75 92.5 110 mm
x 2 40 57.5 75 92.5 110 mm
x 3 40 57.5 75 92.5 110 mm
x 4 9 12 15 18 21 mm
x 5 45 70 95 120 145 mm

Orthogonal array-based frame design layout and the corresponding structural analysis results

Run Design variable (mm) KA
(MN/m)
MA
x (kg)
x 1 x 2 x 3 x 4 x 5
1 40.0 40.0 40.0 9.0 45.0 2546 28705
2 110.0 40.0 40.0 9.0 45.0 2999 39282
3 40.0 110.0 40.0 9.0 45.0 2700 38496
4 110.0 110.0 40.0 9.0 45.0 3212 49073
5 40.0 40.0 110.0 9.0 45.0 3753 32695
6 110.0 40.0 110.0 9.0 45.0 4612 42999
7 40.0 110.0 110.0 9.0 45.0 4077 42477
8 110.0 110.0 110.0 9.0 45.0 5310 52793
9 110.0 40.0 40.0 21.0 45.0 2553 30914
10 110.0 40.0 40.0 21.0 45.0 3042 41126
11 40.0 110.0 40.0 21.0 45.0 2786 40708
12 110.0 110.0 40.0 21.0 45.0 3247 50922
13 40.0 40.0 110.0 21.0 45.0 3845 34904
14 110.0 40.0 110.0 21.0 45.0 4684 44843
15 40.0 110.0 110.0 21.0 45.0 4275 44700
16 110.0 110.0 110.0 21.0 45.0 5348 54637
17 40.0 40.0 40.0 9.0 145.0 4077 31507
18 110.0 40.0 40.0 9.0 145.0 4876 41860
19 40.0 110.0 40.0 9.0 145.0 4382 41300
20 110.0 110.0 40.0 9.0 145.0 5445 51654
21 40.0 40.0 110.0 9.0 145.0 5041 34873
22 110.0 40.0 110.0 9.0 145.0 6077 45001
23 40.0 110.0 110.0 9.0 145.0 5526 44668
24 110.0 110.0 110.0 9.0 145.0 6988 54796
25 40.0 40.0 40.0 21.0 145.0 4209 33717
26 110.0 40.0 40.0 21.0 145.0 4487 35088
27 40.0 110.0 40.0 21.0 145.0 4598 43512
28 110.0 110.0 40.0 21.0 145.0 5516 53499
29 40.0 40.0 110.0 21.0 145.0 5244 37082
30 110.0 40.0 110.0 21.0 145.0 6115 46847
31 40.0 110.0 110.0 21.0 145.0 5862 46877
32 110.0 110.0 110.0 21.0 145.0 7088 56640
33 57.5 75.0 75.0 15.0 95.0 4876 40595
34 92.5 75.0 75.0 15.0 95.0 5272 45672
35 75.0 57.5 75.0 15.0 95.0 4965 40629
36 75.0 92.5 75.0 15.0 95.0 5136 45527
37 75.0 75.0 57.5 15.0 95.0 4634 42242
38 75.0 75.0 92.5 15.0 95.0 5536 44021
39 75.0 75.0 75.0 12.0 95.0 5049 42619
40 75.0 75.0 75.0 18.0 95.0 5118 43633
41 75.0 75.0 75.0 15.0 70.0 4729 42534
42 75.0 75.0 75.0 15.0 120.0 5435 43730
43 75.0 75.0 75.0 15.0 95.0 5092 43132

Pareto optimal solutions and the corresponding design variables of the structure-improved frame

w Design variable (mm) K
(MN/m)
M
(kg)
x 1 x 2 x 3 x 4 x 5
0.0 110.0 106.7 110.0 17.1 145.0 7054 54647
0.1 107.1 101.3 110.0 16.5 145.0 6972 53581
0.2 100.8 93.6 110.0 15.7 145.0 6892 51805
0.3 91.7 82.3 110.0 14.8 145.0 6767 49247
0.4 76.6 64.4 110.0 13.8 145.0 6459 45348
0.5 51.1 40.0 110.0 13.4 145.0 5695 38003
0.6 44.5 40.0 110.0 10.8 118.3 5041 34717
0.7 40.0 40.0 107.5 9.0 115.2 4844 33354
0.8 40.0 40.0 83.3 9.0 95.8 4363 31851
0.9 40.0 40.0 40.0 9.0 45.0 3502 29519
1.0 40.0 40.0 40.0 9.0 45.0 2557 27750
Table 1 Specification of the mechanical press
Table 2 Level of design variables
Table 3 Orthogonal array-based frame design layout and the corresponding structural analysis results
Table 4 Pareto optimal solutions and the corresponding design variables of the structure-improved frame