A Study on the Large-diameter Seamless Gas Cylinder Dimensional Accuracy of Rotary Expanding Process with Finite Element Analysis

摘要：

This paper expounds the application of rotary expanding process to manufacture the large-diameter hot-rolled seamless gas cylinder. Through analytic geometry method, an equation is established among the tail roll gap, roll distance and the plug protrusion distance. 3D drawing software CATIA-V5 is applied to build 3d models of steel tube and rolling tools. The rolling process is simulated by MSC.Marc FEA (finite element analysis) software. Marcs second development function and FORTRAN softwares extracting finite element node coordinates function are applied to calculate the wall thickness uniformity. A novel method to calculate the wall thickness uniformity after finite element analysis is proposed. The wall thickness uniformity of steel tube after rolling is well simulated and compared by MSC.Marc FEA software, which can help the technologist to predict and choose the best rolling parameter. For gas cylinder rolling, the tail roll gap should be set to 17mm. The roller distance and the plug protrusion distance should be set as 342mm and 78mm separately.

关键词： Rotary expanding Process Finite element analysis Gas cylinder Wall thickness uniformity.

作者: Shunyao Jin Zhongguo Huang Zongke Shao Mingxiang Li Huilai Sun Yutao Li Zhixiang Fang

作者单位: School of Mechanical Engineering, University of Science and Technology Beijing,Beijing 100083, China

会议类型: 国际会议

会议名称: 2011 International Conference on Mechatronics and Materials Processing(2011年机电一体化与材料加工国际会议 ICMMP)

会议地点: 广州

会议语种:英文

页码: 136-142

在线出版日期: 2011-11-18（万方平台首次上网日期，不代表论文的发表时间）