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Finite element simulation on press forging of magnesium alloy AZ31 sheets ZHANG Shi-hong(张士宏)1, SUN Cheng(孙 成)1, WANG Zhong-tang(王忠堂)2 1. Institute of Metal Research, Chinese Academy of Sciences...; Abstract: Press forging......
model was proposed and applied to the forging press. The impacts on parameters which the external load had were also investigated. The results show that friction force decreases with velocity in the low... velocity.Key words:friction; forging press; modified model; LuGre model; parameter identification......
: deep drawing[2-5], hydroforming[6-8], superplastic forming [9-10], extrusion[11], forging[12-14], and several other processes[15-16]. However, few attempts have been made to optimize the press bend... Optimization of press bend forming path of aircraft integral panel YAN Yu(阎 昱), WAN Min(万 敏), WANG Hai-bo(王海波), HUANG Lin(黄 霖) School of Mechanical Engineering and Automation, Beihang......
Article ID: 1003-6326(2005)02-0395-05 Noise reduction of punch press mechanical clutch engagement CHEN Wei(陈 威)1, 2, 3, SUN Chang-qing(孙长青)1, LI Yun-liang(李运良)1 (1. Department... of Materials Physics and Chemistry, Harbin Institute of Technology, Harbin 150001, China) Abstract: Among the noises of the punch press, blanking noise and engaging noise of the clutch should be paid most......
文献标识码:A FEM simulation for forming process of cold press forging of 1100-H14 aluminum alloy sheets WANG Ke-sheng1, 2, LIU Quan-kun2, ZHANG De-yuan2 (1. School of Mechanics, Ningbo University of Technology, Ningbo 315016, China; 2. School of Materials Science and Engineering, Hefei University of Technology, Heifei 230009, China) Abstract: Cold press forging......
servo-controlled press (Komatsu Industries Corp., H1F45). The apparatus for cup forging is shown in Fig.6. The diameter of the punch was 16 mm, and the inside diameter of the container was 24 mm... with a punch speed of 80 mm/s without lubrication. Fig.6 Tool arrangement for cup forging on AC servo-controlled press Fig.7 shows the cross-sectional views of the specimens forged at 423 K. Irrespective......
; 文献标志码:A 文章编号:1672-7207(2016)08-2650-11 Multi-PID controller parameters optimization of fast forging hydraulic press based on GA ZHAO Jinsong1... database of parameter adjustment was established for different working conditions to optimize speed forging hydraulic press control characteristics. Firstly, the mathematical model of electro-hydraulic servo......
J. Cent. South Univ. (2020) 27: 1666-1677 DOI: https://doi.org/10.1007/s11771-020-4398-7 Influence of radial forging process on strain inhomogeneity of hollow gear shaft using finite element method... (Group) Co., Ltd., Chongqing 400054, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Due to the current trend towards lightweight design......
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Article ID: 1003-6326(2005)05-1120-05 Relationship among forging technology, structure and properties of TC21 alloy bars QU Heng-lei(曲恒磊)1, 2, ZHOU Yi-gang(周义刚)1, ZHOU Lian(周 廉)1, 2...’an 710016, China) Abstract: As candidate of structural material for advanced domestic aircraft, a new high strength and toughness titanium alloy TC21 was studied focusing on forging technology......
