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Stainless steel sheet welding method capable of controlling deformation

A thin plate welding and deformation control technology, applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problem that the welding deformation cannot be corrected by heat, the welding of stainless steel sheets is difficult, and the deformation has no rules to follow, etc. problem, to achieve the effect of beautiful appearance of the weld, fast splicing speed, and convenient welding.

Inactive Publication Date: 2010-04-14
ZHEJIANG DADI STEEL STRUCTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, for the butt joint of stainless steel sheets, its welding deformation control has always been a difficult point. Since the welding deformation of stainless steel plate butt joints cannot be corrected by heat, and the deformation has no rules to follow, the general measures to be taken are: anti-deformation, rigidity control, skip welding, and reduction. Heat input and other methods, but the above method is difficult to weld two sets of stainless thin steel plates, welding deformation is difficult to control, and product scrapping is prone to occur

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: refer to figure 1 and 2 . A method for welding thin stainless steel plates capable of deformation control, comprising the following steps:

[0023] a. Two sets of stainless thin steel plates 3, and grooves 4 are processed at the required welding parts;

[0024] b. Place two parallel flat steel plates 5 on the working surface 6, two sets of stainless thin steel plates 3 are respectively placed above the flat steel plates 5, and the two sets of stainless thin steel plates 3 use the flat steel plates 5 as fulcrums respectively, and the two sets of One end of the stainless thin steel plate 3 having processed the groove 4 is butted, and its other end is in contact with the worktable 6 .

[0025] c. Place two groups of pressure plates above the steel plates 3 on both sides of the two flat steel bars 5, and place a gravity block 2 above the middle of the two groups of pressure plates 1;

[0026] d. Weld two sets of stainless thin steel plates 3 from the top o...

Embodiment 2

[0028] Embodiment 2: refer to figure 1 and 2 . After taking out the two sets of stainless steel sheets 3 welded on one side, the other side of the two sets of stainless steel sheets 3 needs to be welded, which includes the following steps:

[0029] a. Replace the two sets of stainless thin steel plates 3 that have been welded on one side downwards on the top of two parallel flat steels 5 and the welding seam is located in the middle of the two flat steels 5;

[0030] b. Two sets of pressure plates 1 are respectively placed above the two sets of stainless thin steel plates 3 after one-sided welding on both sides of the two flat steel bars 5, and the gravity block 2 is re-placed above the middle of the two sets of pressure plates 1;

[0031] c. Carry out secondary welding of the stainless thin steel plate 3 after single-side welding along the weld seam from above the stainless thin steel plate 3;

[0032] d. Remove the gravity block 2 and the pressure plate 1, and take out th...

Embodiment 3

[0033] Embodiment 3: refer to figure 1 and 2 . Two parallel flat steel bars 5 are fixedly connected with the work surface 6 . The flat steel bars 5 are respectively located below one end of the stainless thin steel plate 1 which has been processed with grooves.

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Abstract

The invention relates to a method for welding steel sheets, in particular to a stainless steel sheet welding method capable of controlling deformation, which comprises the following steps: (a) grooves are processed in positions to be welded on two groups of stainless steel sheets; (b) two pieces of parallel flat steel are put on the surface of a workbench, the two groups of stainless steel sheets are respectively arranged above the flat steel and respectively use the flat steel as a fulcrum, the ends of which the grooves are processed on the two groups of stainless steel sheets are butted with each other, and the other end of each group of stainless steel sheets contacts the surface of the workbench; (c) two groups of pressure plates are respectively arranged above the steel sheets positioned on both sides of each piece of flat steel, and a weight block is arranged on the middle part of each of the two groups of pressure plates; (d) the two groups of stainless steel sheets are welded along the butted groove from above the stainless steel sheets; (e) and the weight blocks and the pressure plates are removed, and the stainless steel sheets with single welded surfaces are taken out. The method has the advantages of simple operation, convenient welding, small welding deformation, attractive formed appearance of welding seams, high splicing speed and high qualification rate for PT fault detection.

Description

technical field [0001] The invention relates to a welding method for steel plates, in particular to a welding method for stainless steel thin plates capable of controlling deformation. Background technique [0002] At present, for the butt joint of stainless steel sheets, its welding deformation control has always been a difficult point. Since the welding deformation of stainless steel plate butt joints cannot be corrected by heat, and the deformation has no rules to follow, the general measures to be taken are: anti-deformation, rigidity control, skip welding, and reduction. However, the above method is difficult to weld two sets of stainless thin steel plates, the welding deformation is difficult to control, and product scrapping is prone to occur. Contents of the invention [0003] The object of the present invention is to avoid the deficiencies in the background technology, and to provide a stainless steel thin plate welding method that can control the deformation of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00
Inventor 刘晓
Owner ZHEJIANG DADI STEEL STRUCTURE
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