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A modified thin-walled tube push-bending process with polyurethane mandrel
Jiang, Weihao1,2; Xie, Wenlong1,2; Song, Hongwu1; Lazarescu, Lucian3; Zhang, Shihong1; Banabic, Dorel3
Corresponding AuthorSong, Hongwu(hwsong@imr.ac.cn)
2020
Source PublicationINTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
ISSN0268-3768
Volume106Issue:5-6Pages:2509-2521
AbstractThin-walled (D/t > 30; D, initial outer diameter; t, initial wall thickness) bent tubes with large diameter (D > 100 mm) and small bending radius (R/D < 3; R, centerline radius) are difficult to form integrally using traditional bending methods. In this paper, using a novel loading method, a modified push-bending (MPB) process with polyurethane as mandrel was developed. A stainless steel bent tube with extreme geometrical specification (D = 144 mm, D/t = 72, and R/D = 1.94) was formed integrally by MPB. Based on analytical and finite element (FE) method, the internal pressure, i.e., contact pressure between polyurethane and tube (CPPT) were investigated. The results show that the CPPT decreases linearly from the back end to the front end of polyurethane rod and increases with smaller mu(1) (the coefficient of friction between polyurethane and tube) and larger L (the center axis length of polyurethane rod), and the increase of CPPT is helpful to decrease the ovality of the bent tube.
KeywordThin-walled tube Push-bending Internal pressure Polyurethane Finite element method
DOI10.1007/s00170-019-04827-3
Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Manufacturing
WOS IDWOS:000513183100060
PublisherSPRINGER LONDON LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137096
Collection中国科学院金属研究所
Corresponding AuthorSong, Hongwu
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Tech Univ Cluj Napoca, Dept Mfg Engn, Cluj Napoca 400641, Romania
Recommended Citation
GB/T 7714
Jiang, Weihao,Xie, Wenlong,Song, Hongwu,et al. A modified thin-walled tube push-bending process with polyurethane mandrel[J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,2020,106(5-6):2509-2521.
APA Jiang, Weihao,Xie, Wenlong,Song, Hongwu,Lazarescu, Lucian,Zhang, Shihong,&Banabic, Dorel.(2020).A modified thin-walled tube push-bending process with polyurethane mandrel.INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,106(5-6),2509-2521.
MLA Jiang, Weihao,et al."A modified thin-walled tube push-bending process with polyurethane mandrel".INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 106.5-6(2020):2509-2521.
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