Double two-sided synchronous tungsten electrode high-frequency pulse argon arc welding butt welding method

A high-frequency pulse, argon arc welding technology, used in arc welding equipment, manufacturing tools, welding equipment, etc., can solve the problem of inability to guarantee the welding seam formation and quality of stainless steel plates, affecting the welding seam formation and quality, and increasing the number of times the welding seam is heated. and other problems, to achieve the effect of reducing porosity sensitivity, reducing the amount of weld metal filling, and increasing the thickness of penetration
CN104096954AInactive Publication Date: 2014-10-15中建一局集团安装工程有限公司 +1
5 Cites 27 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
中建一局集团安装工程有限公司
Publication Date
2014-10-15
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

A double two-sided synchronous tungsten electrode high-frequency pulse argon arc welding butt welding method is implemented by the following steps: cleaning up sundry, carrying out groove processing on the welding position of a wall plate of a stainless steel storage tank, welding position welding, choosing welding torch equipment, aligning a same weld pool by a main welding torch and an auxiliary welding torch from the inside and outside of a weld joint respectively synchronously, arcing synchronously by the main welding torch and the auxiliary welding torch, enabling the auxiliary welding torch to be moved synchronous to the main welding torch, welding along the same direction at the same speed, and stopping arcing by the main welding torch and the auxiliary welding torch synchronously. By adopting the double two-sided synchronous tungsten electrode high-frequency pulse argon arc welding butt welding method, the inner side forming of the weld joint is protected and penetrated, the defects of oxidation, overlap, lack of penetration and the like of the weld joint are avoided, the processes of root clearing, grinding and re-welding on the inner side are omitted, compared with the prior art, the method has the advantages of simple method and easy implementation, the production efficiency is greatly improved, and the labor intensity of workers is lowered.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a welding method for steel storage tank walls, in particular to a construction method for simultaneous internal and external double-sided welding of the vertical seam and circular seam argon arc welding double guns of the stainless steel storage tank wall. Background technique

[0002] The steel storage tank is a welded container whose wall plate thickness increases from top to bottom. It has many welds and various plate thicknesses, and large wave deformation often occurs during construction. As a kind of steel storage tank container, stainless steel storage tank is mostly made of austenitic stainless steel (such as SUS304, SUS315L, 307, etc.). Austenitic stainless steel has a small thermal conductivity and a large expansion coefficient, and it is easier to weld. Large deformation and welding stress are generated, and at present, in the manufacturing process of stainless steel container equipment, it is often encountered that ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More