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Large-area composite plate explosive welding production process

An explosive welding and production process technology, which is applied in welding equipment, welding/welding/cutting items, manufacturing tools, etc., can solve the problems of air layer not being discharged in time and effectively, not recombined, bulging, etc., and achieves the improvement of the bonding rate of explosive welding interface and the effect of binding strength

Inactive Publication Date: 2017-07-21
嘉峪关天源新材料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of non-recombination, bulging and other quality defects caused by the failure of timely and effective discharge of the air layer between the base plate and the double plate during the production of large-area composite plates by explosive welding.

Method used

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  • Large-area composite plate explosive welding production process

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Experimental program
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Effect test

Embodiment 1

[0041] Such as figure 1 As shown, a large-area explosive welding composite plate production process, its specific steps are as follows:

[0042] The compound board 2 is made of SUS30408 ​​with a thickness of 3mm. After tailor welding, the width is 2660 mm and the length is 9060 mm. Then the weld seam is ground and then leveled. After the leveling treatment, the unevenness of the whole board is ≤ 6 mm. The width is 2600mm, the length is 9000mm, annealing and leveling treatment are carried out, and the unevenness of the whole board after leveling treatment is ≤15㎜;

[0043] Use a grinder to clean the surface of the base plate 1 and double plate 2 to be compounded to eliminate defects such as scale and pits, until the fresh metal surface matrix is ​​exposed, and polish until the surface roughness Ra≤0.0065mm;

[0044] Coat 1.5mm thick water glass on the upper surface of doubler plate 2;

[0045] Place the doubler plate 2 on the base plate 1, and arrange several gap colu...

Embodiment 2

[0068] Such as figure 1 As shown, a large-area explosive welding composite plate production process, its specific steps are as follows:

[0069] Double plate 2 is TA2, with a thickness of 8.0mm, a width of 3100mm, and a length of 8100mm. After the weld is ground, it is then leveled. After the leveling treatment, the unevenness of the whole plate is ≤6㎜; the base plate 1 is Q345R, with a thickness of 40mm and a width of 3160mm , length 8160mm, after annealing and leveling treatment, the unevenness of the whole board after leveling treatment is ≤15㎜;

[0070] Use a grinder to clean the surface of the base plate 1 and double plate 2 to be compounded to eliminate defects such as scale and pits, until the fresh metal surface matrix is ​​exposed, and polish until the surface roughness Ra≤0.0065mm;

[0071] Spread 0.5mm thick butter on the upper surface of doubler board 2;

[0072] Place the doubler board 2 on the base plate 1, and arrange a number of gap columns 3 between ...

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Abstract

The invention discloses a large-area composite plate explosive welding production process. The process includes the following steps of (1), splice welding, annealing and leveling, specifically, a composite plate is subjected to splice welding, a base plate is subjected to annealing, and the base plate and the composite plate are subjected to leveling correspondingly; (2) polishing; (3), coating of a protection layer, specifically, the surface of the composite plate obtained in step (2) is manually coated with the protection layer, wherein the thickness of the protection layer is 0.5-1.5 mm; (4), arrangement of clearance columns, specifically, the composite plate is placed on the base plate, a plurality of clearance columns are arranged between the composite plate and the base plate, and the installation angle alpha between the clearance columns arranged in the middle and the clearance columns arranged on the periphery ranges from 0.7 degrees to 2 degrees; (5) arrangement of an explosive frame, specifically, the explosive frame is arranged on the circle along the edge of the composite plate, and low-detonation-velocity explosives are uniformly distributed in the explosive frame; (6) inserting of a detonator, detonation and completing of welding; and (7), post-processing. By means of the large-area composite plate explosive welding production process, the problem that when the large-area composite plate is produced in an explosive welding manner, non-combination and the like are caused due to the fact that an air layer between the base plate and the composite plate is not discharged timely can be effectively solved.

Description

technical field [0001] The invention relates to the technical field of explosive welding production technology, in particular to a large-area explosive welding composite plate production technology. Background technique [0002] In recent years, with the development of industrial technology, more and more metal composite materials are favored by people due to their excellent performance and low price. They are developing rapidly and are gradually replacing the application of single metal materials in many fields. [0003] Explosive welding is one of the methods for producing metal composite panels. Its process is simple and has strong applicability, and it can produce more than 200 kinds of metal composite panels. Products have been widely used in petrochemical, aerospace, automotive, electronics, structural decoration, environmental protection and other fields. In these application fields, the use of large-area composite boards can reduce welding costs, reduce welding defec...

Claims

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Application Information

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IPC IPC(8): B23K20/08B23K101/16
CPCB23K20/08B23K2101/16
Inventor 王军宏阮强李具仓杨爱元孙爱楠邵建勇
Owner 嘉峪关天源新材料有限责任公司
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