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High-efficiency submerged arc welding welding backing

A welding backing and submerged arc welding technology, which is applied in the field of welding and arc welding materials for steel materials, can solve the problems that the production efficiency of submerged arc single-sided welding cannot meet the needs of welding production development, and avoid welding bump defects and welding toes Neat and beautiful, improve the effect of welding speed

Inactive Publication Date: 2015-08-26
象山焊接衬垫厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production efficiency of the current submerged arc single-sided welding can no longer meet the needs of the development of welding production

Method used

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  • High-efficiency submerged arc welding welding backing
  • High-efficiency submerged arc welding welding backing
  • High-efficiency submerged arc welding welding backing

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Effect test

Embodiment 1

[0023] Example 1. The invention provides a high-efficiency submerged arc welding backing 11 for high-efficiency submerged arc automatic welding and semi-automatic single-sided welding. The high-efficiency submerged arc welding backing 11 consists of several ceramic welding backing blocks 1 connected end to end, the bottom of the welding pad is wrapped in a strip-shaped reinforced shell 2, and the upper surface of the welding pad is provided with a layer of glass fiber tape 3 matching the size of the welding pad.

[0024] A centering line 4 is provided on the glass fiber strip. In this embodiment, a red fiber thread is embedded on the central axis of the glass fiber strip as the center line.

[0025] The glass fiber tape 3 is an alkali-free glass fiber tape 3 .

[0026] The thickness of the glass fiber tape 3 is 0.8-1.2mm.

[0027] The glass fiber strip 3 is rectangular, the length of the rectangle matches the length of the pad 11 , and the width is 3-4mm smaller than the wi...

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Abstract

The invention provides an efficient submerged-arc welding gasket which comprises a plurality of ceramic welding gaskets connected end to end. The bottom of the welding gasket is packaged in a strip strengthening casing, and a glass fiber tape with the size being matched with that of the welding gasket is arranged on the upper surface of the welding gasket. The invention further provides a manufacture method and an application method of the efficient submerged-arc welding gasket. As the submerged-arc welding gasket is connected and mounted into the strengthening casing, the submerged-arc welding gasket has certain extrusion resistance capability, when small plate edge difference exists in a welding connector, the gasket can not be damaged during the process of applying external force to correct the plate edge difference. During the process of one side welding, welding slag formed by burning the gasket through a welding arc can be molten into the slag of a same slag system with the welding slag of welding wires, iron powder and welding fluid, and back weld can be guaranteed to achieve required mechanical property and chemical elements. The efficient submerged-arc welding gasket accelerates the welding speed, saves welding material and guarantees the weld quality.

Description

technical field [0001] The invention belongs to the field of welding, in particular to the field of arc welding materials for steel materials. Background technique [0002] With the rapid development of my country's industry, the shipbuilding industry has advanced by leaps and bounds, and high-rise and super high-rise steel structures have emerged. The tonnage of ships is getting bigger and bigger, and the buildings are getting taller and taller, and the thickness of steel used in them is getting thicker and thicker. The production efficiency of the current submerged arc single-sided welding can no longer meet the needs of the development of welding production. The welding production efficiency of high-efficiency submerged arc automatic single-sided welding is twice that of submerged arc automatic welding; it is CO 2 The welding production efficiency of flux-cored wire semi-automatic single-sided welding is 10~15 times. In order to improve the production efficiency of lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/035B23K9/18
Inventor 李贤忠薛卫中胡全福陈广兰董云常张建成赵立刚胡海定金心溥
Owner 象山焊接衬垫厂
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