钢管2024，Vol.53Issue(2)：28-33,6.DOI:10.19938/j.steelpipe.1001-2311.2024.2.28.33
大直径不锈钢管内旋压成形的金属流动堆积缺陷研究
Study on Metal Flow Accumulation Defect as Occurring with Large-sized Stainless Steel Tube during Internal Spinning Formation Process
田旺 1王琛 2张斌凯 2李维壮3
作者信息
- 1. 太原理工大学机械与运载工程学院,山西 太原 030024
- 2. 太原科技大学机械工程学院,山西 太原 030024
- 3. 北京科技大学机械工程学院,北京 100083
- 折叠
摘要
Abstract
The Abaqus finite element software is used to simulate and analyze the metal flow buildup phenomenon of the large sized stainless steel pipe as occurring during the process of internal spinning formation process.Using the single-factor control method,discussions are made on the change regularities of the equivalent strain,the metal flow and the rolling force of the Φ508 mm stainless steel tube during the 3-wheel internal spinning process under the conditions that the tube's wall thickness is 20 mm,12 mm and 7 mm respectively.And flowing velocity of the interlayer metal particles in case of different wall thickness of the tube is analyzed,and thus the reason for the metal flow accumulation is identified.As a result,it is revealed that along with the continuous reduction of the initial wall thickness value,in case of 7 mm wall thickness,the metal accumulation as formed in front of the spinning wheel is high up to 9 mm,while the equivalent strain value of the contact area reaches the maximum value of 7.9,and spinning rolling force is up to 450 kN.Therefore it is obvious that under the same working conditions,the lighter the wall thickness,the bigger the equivalent strain value of the contact area,and the bigger the spinning force as needed,which leads to the more serious metal buildup phenomenon.关键词
不锈钢管/内旋压/金属流动/堆积/等效应变/旋压力Key words
stainless steel tube/internal spinning/metal flow/accumulation/equivalent strain/spinning force引用本文复制引用
田旺,王琛,张斌凯,李维壮..大直径不锈钢管内旋压成形的金属流动堆积缺陷研究[J].钢管,2024,53(2):28-33,6.
