厚板V形坡口机器人填充焊接工艺研究

发布时间：2018-01-12 20:42

本文关键词：厚板V形坡口机器人填充焊接工艺研究　出处：《焊接》2017年09期 　论文类型：期刊论文

【摘要】：针对厚板V形坡口的焊缝宽、母材厚、焊接轨迹曲线与待焊工件焊缝中心线不一致等问题,设计了一套摆动焊接程序,在机器人离线编程软件中进行工作站建模、离线编程、运动轨迹仿真,仿真结果满足试验要求。使用六轴机器人、Fronius焊机等搭建试验系统,采用经典的单一变量控制理论,选择最优焊接参数。使用厚度为18mm的低碳钢板,对V形坡口进行多次填充焊以及盖面焊。试验结果表明,焊接工艺良好,V形坡口两侧的母材熔合情况良好,未见焊缝塌陷、层间未熔合和咬边现象发生,焊缝两边无间隙,焊缝成形呈"鱼鳞纹"状。
[Abstract]:A set of swinging welding program was designed to solve the problems of weld width base metal thickness welding track curve and weld centerline of thick plate V-groove. The workstation modeling, off-line programming, motion trajectory simulation and simulation results are carried out in the off-line programming software of robot. The test system is built with six-axis robot Fronius welder. The classical single variable control theory was used to select the optimal welding parameters. The V-groove was welded by filling welding and cover welding with 18mm low carbon steel plate thickness. The test results showed that the welding process was good. The fusion of the base metal on both sides of the V-shaped groove is good, no collapse of the weld seam is seen, the phenomenon of no fusion and edging between the layers occurs, there is no gap between the two sides of the weld, and the weld is formed in the shape of "crow scale".
【作者单位】：天津工业大学天津市现代机电装备技术重点实验室;中国石油集团工程技术研究所;
【基金】：国家自然科学基金资助项目(U1333128) 天津市科技支撑计划项目(15ZCZDGX00300)
【分类号】：TG409
【正文快照】： 0序言随着国内采矿、石油产业的飞速发展,在一些工业产品的零部件焊接加工中,存在焊接母材过厚、焊缝较宽的问题,其中厚板V形坡口的焊接较为常见[1-2]。V形坡口的焊接包括打底焊、填充焊、盖面焊,除打底焊外,由于焊缝较宽,普通焊接的填充无法得到良好的焊接工艺[3-4]。对V形坡

【相似文献】