薄板单面密集焊缝焊后弯曲变形分析

发布时间：2018-02-08 22:43

  本文关键词： 薄板 单面密集焊缝 焊后弯曲变形 焊接方向　出处：《焊接学报》2017年09期 　论文类型：期刊论文

【摘要】：针对2 mm的316L薄板单面密集焊缝结构,采用数值模拟的方法分析了两种焊接方案下的薄板焊接弯曲变形.利用高度测量装置建立了薄板弯曲变形测量方法,进行了两种焊接方案的工艺试验,对焊后弯曲变形进行了测量.在此基础上,对数值模拟和工艺试验的结果进行了对比.结果表明,薄板单面密集焊缝结构焊接后呈船形变形,拉通焊弯曲变形中心接近于板中心,而两端向中间焊弯曲变形中心偏向板的先焊位置.两端向中间焊在长度方向弯曲变形量小于拉通焊,两端向中间焊的焊接方案较优.
[Abstract]:In this paper, the bending deformation of thin plate with two welding schemes is analyzed by numerical simulation for the dense weld structure of 316L thin plate on one side of 2mm thin plate, and the method of measuring bending deformation of thin plate is established by using height measuring device. The process tests of two welding schemes were carried out, and the bending deformation after welding was measured. On this basis, the results of numerical simulation and process tests were compared. The bending deformation center of pull-through welding is close to the center of plate, but the position of bending center is inclined to the plate at both ends, and the bending deformation in length direction is smaller than that in pull through welding, and the welding scheme of two-end middle welding is better.
【作者单位】： 中国核动力研究设计院第四研究所;
【分类号】：TG441.7
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本文编号：1496449