摘要
Abstract
Tungsten Inert Gas(TIG)welding is the welding process currently used by most of the stainless steel welded control pipe enterprises.This process usually uses a tungsten needle as the electrode material,the normal tungsten needle top is generally a pointed cone,and with the welding process,the tungsten needle tip will gradually produce burns,burns the tungsten needle will have a great impact on the weld seam molding,is very prone to weld holes,biting edges,leakage of weld and other defects.In this paper,by analyzing the model and image information of the molten pool contour in the welding image of argon arc welding,we discovered the connection between the width of the molten pool and the welding current,tungsten needle loss,and proposed a tungsten needle loss detection method based on the molten pool contour.Through experiments,it is proved that the method proposed in this paper for detecting the loss of tungsten needles through the change of the width of the molten pool has good accuracy and feasibility.关键词
氩弧焊/钨针损耗/图像处理/损耗检测/304不锈钢焊管Key words
Tungsten Inert Gas(TIG)welding/tungsten needle loss/image processing/loss detection/304 stainless steel welded pipe分类
矿业与冶金
