Identification of the space posture of arc welding guns with rotational arc sensors in GMAW

被引：2

作者：

Le, Jian ^{[1
]}

Zhang, Hua ^{[1
]}

Chen, Xiaoqi ^{[2
]}

Liu, Cheng ^{[1
]}

机构：

[1] Nanchang Univ, Key Lab Robot & Welding Automat Jiangxi, Nanchang, Jiangxi, Peoples R China

[2] Univ Canterbury, Dept Mech Engn, Christchurch, New Zealand

来源：

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2017年 / 92卷 / 9-12期

基金：

国家高技术研究发展计划(863计划);

关键词：

Rotational arc sensor; Robot; Main analysis method; Deviation identification; Inclination angle identification; Welding automation; SEAM TRACKING; MODEL; GTAW; TECHNOLOGY; SIMULATION; SYSTEM;

D O I：

10.1007/s00170-017-0416-9

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In order to improve welding quality and welding efficiency of the rectangular fillet weld in the shipbuilding industry, it is necessary to identify the space posture of the arc welding gun accurately. The mathematical model of the space posture of the arc welding gun has been established, and the space posture can be determined by four variables. Within a certain range, the mathematical model about the relationship between the welding current and the wire extension has been established in GMAW, and the height deviation that the arc welding gun is relative to fillet weld can be calculated by this mathematical model. In order to accurately calculate the horizontal deviation and the inclination angle, the main analysis method has been studied. By using the designed algorithm, the rectangular fillet weld tracking experiment and the tensile experiment have been done in the laboratory and shipyard. Experimental results showed that the robot could identify the space posture of the arc welding gun accurately, and track rectangular fillet welds with high accuracy and good reliability.

引用

页码：3447 / 3459

页数：13

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