A mechanical model of symmetrical three-roller setting round process: The static bending stage

被引:17
|
作者
Zhao, Jun [1 ,2 ]
Yu, Gaochao [1 ,2 ]
Ma, Rui [1 ,2 ]
机构
[1] Yanshan Univ, Minist Educ China, Key Lab Adv Forging & Stamping Technol & Sci, Qinhuangdao 066004, Peoples R China
[2] Yanshan Univ, Coll Mech Engn, Qinhuangdao 066004, Peoples R China
基金
中国国家自然科学基金;
关键词
Three-roller setting round; Secondary indeterminate problem; Mechanical model; Finite element; Process parameters; PREDICTION; SIMULATION; BEHAVIOR;
D O I
10.1016/j.jmatprotec.2016.01.002
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The static bending deformation of three-roller setting round process is an elastic-plastic secondary indeterminate problem, and belongs to the plane bending deformation. This paper adopts a bilinear material model. In consideration of shifting of the tangent points between the pipe and the lower rollers, the static equilibrium conditions, the physical relationships of elastic-plastic deformation, the deformation compatibility conditions, and the constraint conditions are analyzed comprehensively. By applying the discrete method, a semi-circular pipe is meshed equably into N micro-pipe-wall elements with the same geometric parameters. Deformation characteristics of each micro-pipe-wall element are calculated, and then the deformation history responses of the whole pipe are resolved by applying the load increment method, based on the variable step size, and the experimental apparatus is further designed to verify the theoretical model. Finally, the effects of various process parameters on the upper roller load and bending curvature are studied. The results show that the static bending deformation can be assumed to be a pure bending process; the cross section of the pipe has two positive bending regions and two reverse bending regions; the upper roller diameter and the lower rollers spacing are the major factors for the upper roller load and the bending curvature; the dynamic roll bending process can be simplified into a static to-and-fro bending process. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:501 / 512
页数:12
相关论文
共 50 条
  • [1] Research on the Symmetrical Three-roller Setting Round Process
    Key Laboratory of Advanced Forging & Stamping Technology and Science, Ministry of Education of China, Qinhuangdao
    066004, China
    不详
    065000, China
    不详
    226631, China
    [J]. Jixie Gongcheng Xuebao, 14 (136-143):
  • [2] Theoretical analysis and experimental investigations on the symmetrical three-roller setting round process
    Yu, Gaochao
    Zhao, Jun
    Zhai, Ruixue
    Ma, Rui
    Wang, Chunge
    [J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2018, 94 (1-4): : 45 - 56
  • [3] Theoretical analysis and experimental investigations on the symmetrical three-roller setting round process
    Gaochao Yu
    Jun Zhao
    Ruixue Zhai
    Rui Ma
    Chunge Wang
    [J]. The International Journal of Advanced Manufacturing Technology, 2018, 94 : 45 - 56
  • [4] A setting-round process of pipe end by three-roller for large pipes
    Qingdang Meng
    Shiqi Zhang
    Ruixue Zhai
    Pengcheng Fu
    Jun Zhao
    [J]. The International Journal of Advanced Manufacturing Technology, 2023, 124 : 265 - 280
  • [5] A setting-round process of pipe end by three-roller for large pipes
    Meng, Qingdang
    Zhang, Shiqi
    Zhai, Ruixue
    Fu, Pengcheng
    Zhao, Jun
    [J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2023, 124 (1-2): : 265 - 280
  • [6] Three-roller continuous setting round process for longitudinally submerged arc welding pipes
    HUANG, Xue-ying
    ZHAO, Jun
    YU, Gao-chao
    MENG, Qing-dang
    MU, Zhen-kai
    ZHAI, Rui-xue
    [J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2021, 31 (05) : 1411 - 1426
  • [7] Modeling and computation of the three-roller bending process of steel sheets
    Ahmed Ktari
    Zied Antar
    Nader Haddar
    Khaled Elleuch
    [J]. Journal of Mechanical Science and Technology, 2012, 26 : 123 - 128
  • [8] Modeling and computation of the three-roller bending process of steel sheets
    Ktari, Ahmed
    Antar, Zied
    Haddar, Nader
    Elleuch, Khaled
    [J]. JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, 2012, 26 (01) : 123 - 128
  • [9] Numerical simulation and experimental investigations on a three-roller setting round process for thin-walled pipes
    Huang, Xueying
    Yu, Gaochao
    Zhao, Jun
    Mu, Zhenkai
    Zhang, Zhiyuan
    Ma, Rui
    [J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2020, 107 (1-2): : 355 - 369
  • [10] MATHEMATICAL MODELLING AND FINITE ELEMENT SIMULATION OF PRE-BENDING STAGE OF THREE-ROLLER PLATE BENDING PROCESS
    Gandhi, A. H.
    Gajjar, H. V.
    Raval, H. K.
    [J]. MSEC 2008: PROCEEDINGS OF THE ASME INTERNATIONAL MANUFACTURING SCIENCE AND ENGINEERING CONFERENCE 2008, VOL 1, 2009, : 617 - 625