Stainless steel tube activated tungsten argon arc welding groove and processing method
A technology for argon tungsten arc welding and stainless steel pipe, which is applied in metal processing, arc welding equipment, metal processing equipment, etc., to achieve the effect of not easily penetrated defects
Active Publication Date: 2017-12-01
YANTAI RAFFLES SHIPYARD +1
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Problems solved by technology
[0004] One object of the present invention is to overcome the deficiencies of the above-mentioned prior art, and to provide a stainless steel tube activated tungsten argon arc welding groove that is not easy to produce incomplete penetration defects;
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[0025] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.
[0026] Such as Figure 1 to Figure 4 As shown, the present invention discloses a groove for activated tungsten argon arc welding of a stainless steel tube. The groove 2 is a partial oblique plane formed at the end of the stainless steel tube 1 . The line of intersection of the end face of the stainless steel pipe 1 is a straight line, and the line of intersection with the outer wall of the stainless steel pipe 1 is an arc, an...
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Abstract
The invention discloses a stainless steel tube active tungsten argon arc weld groove and processing method. The groove is a local beveled plane formed at the end of a stainless steel tube, the beveled plane and stainless steel tube end intersection line is a straight line, the beveled plane and stainless steel tube outer wall intersection line is an arc, and the middle point of the straight line is the deepest position of the groove. The stainless steel tube active tungsten argon arc weld processing method comprises the steps of a. processing the groove in one end of the stainless steel tube; b. coating active agents in the region from the tube opening of the end of the stainless steel tube, where the groove is formed, to the outer wall beyond the opening; c. performing arcing at the deepest position of the groove and welding the whole circumference of the stainless steel tube along the same direction. By means of the groove and the processing method, the stainless steel tube active tungsten argon arc weld groove is formed, arcing is performed at the deepest position of the groove, the thickness at the arcing positions becomes small, and accordingly, the arcing point can be welded through completely easily, and the incomplete welding defect cannot occur easily.
Description
technical field [0001] The invention relates to a groove for activated tungsten argon arc welding of a stainless steel tube, and also relates to a processing method for activated tungsten argon arc welding of a stainless steel tube. Background technique [0002] The welding technology of stainless steel pipe is the most important connection technology in the process of product construction. How to ensure the welding quality of stainless steel pipe and improve the welding efficiency has become the common goal pursued by relevant units. At present, the stainless steel welding process is mainly stainless steel groove welding and activation welding. Although the welding method of beveling can guarantee the welding quality, it adds a process and increases the weight of the filler metal, which greatly increases the consumption of manpower and material resources on site; activated tungsten argon arc welding (A-TIG) for stainless steel tubes As an efficient argon arc welding techno...
Claims
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IPC IPC(8): B23K33/00B23K9/167
CPCB23K9/167B23K33/00B23K2101/06B23K2103/04
Inventor 王心宝鞠传英王茂源魏丽芹王恩辉马向阳何心
Owner YANTAI RAFFLES SHIPYARD