研究论文

基于抛物线模型的V形坡口焊道规划排布

  • 陈昌荣 ,
  • 周孙盛 ,
  • 何华 ,
  • 练国富 ,
  • 黄旭 ,
  • 冯美艳
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  • 福建理工大学, 福州, 350118
陈昌荣,博士,副教授; 主要研究方向为模具等高附加值产品的金属增材制造与再制造技术; Email:changrong.chen@fjut.edu.cn

收稿日期: 2022-08-20

  网络出版日期: 2024-01-16

基金资助

福建省自然科学基金资助项目(2020J01873);福建省科技重大专项资助项目(2020HZ03018).

Planning and layout of V-groove welding beads based on parabolic model

  • CHEN Changrong ,
  • ZHOU Sunsheng ,
  • HE Hua ,
  • LIAN Guofu ,
  • HUANG Xu ,
  • FENG Meiyan
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  • Fujian University of Technology, Fuzhou, 350118, China

Received date: 2022-08-20

  Online published: 2024-01-16

摘要

为了提高大型相贯构件机器人焊接的焊道规划准确性,提出了抛物线模型,结合等面积与等高法研究了多层多道焊道排布方法. 首先,规划焊接工艺参数、焊道的横截面、焊接顺序以及焊枪位姿,进一步推导出焊道排布算法的公式,借助MATLAB软件进行多层多道焊道排布的仿真;最后通过机器人焊接试验验证多层多道排布的方法. 结果表明,仿真的焊道排布结果与试验的V形坡口每层每道轮廓相吻合,说明提出的基于抛物线模型的多层多道排布算法是准确可行的. 该研究成果为机器人焊接相贯构件的多层多道焊道排布提供了重要的理论基础.

本文引用格式

陈昌荣 , 周孙盛 , 何华 , 练国富 , 黄旭 , 冯美艳 . 基于抛物线模型的V形坡口焊道规划排布[J]. 焊接学报, 2023 , 44(7) : 79 -88 . DOI: 10.12073/j.hjxb.20220820003

Abstract

In order to improve the accuracy of bead planning for robotic welding of large-scale intersecting components, a multi-layer multi-pass planning method is proposed based on the parabolic model with a method of equal area and equal height. Firstly, process parameters, cross section of weld pass, welding sequence, gun position and posture were planned, and then the algorithm formula was worked out. Secondly, MATLAB software was carried out on the multi-layer multi-pass welding beads layout. Finally, robotic welding experiments were conducted to verify the planning algorithm of welding beads. The results show that the simulated welding beads profile match with the experimental contour of each layer and pass at V-groove. This demonstrates that the proposed multi-layer multi-pass weld planning algorithm based on the parabolic model is feasible and accurate. The research has provided important theoretical basis for the layout of multi-layer multi-pass beads for robotic welding of intersecting components.

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