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Titanium plating process for aluminum welding wire

A technology of aluminum welding wire and titanium plating, applied in welding media, manufacturing tools, welding equipment, etc., can solve the problems of limiting titanium content, deteriorating the quality of aluminum liquid, production interruption, etc., to increase the amount of plating and eliminate uncertain influences Effect

Active Publication Date: 2018-04-17
哈焊所华通(常州)焊业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when smelting molten aluminum containing titanium, the submerged nozzle is easily blocked, which will deteriorate the quality of molten aluminum and may also cause production interruption
Therefore, the titanium content in the aluminum welding wire is also limited.

Method used

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  • Titanium plating process for aluminum welding wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) The titanium powder is adjusted into a paste with aviation kerosene, the cotton thread is passed through the paste, the paste is coated on the cotton thread, and the cotton thread coated with titanium is obtained after the aviation kerosene volatilizes;

[0022] (2) The titanium-containing cotton thread obtained in step (1) is controlled by the equipment, and one end is released and the other end is taken up. It is wound on the surface of the ER5087 aluminum welding wire in a tense state and is in a state of being twitched. The tension is 10N, the back tension is 15N, and the speed of twitching the cotton thread is 25 cm / min; the welding wire is also controlled by the equipment, one end is unwound and the other end is taken up, and it is in the state of being twitched.

[0023] Add aviation kerosene dropwise on it to make the aviation kerosene adhere to the surface of the aforementioned aluminum welding wire wound with titanium-containing cotton wire, adjust the twit...

Embodiment 2

[0025] Use "alcohol" instead of aviation kerosene in Example 1 to add dropwise as an auxiliary agent, and through process adjustment, control the conversion of titanium contained on the surface of the final titanium-coated aluminum welding wire into TiO 2 The weight accounts for 0.10% of the total weight of the welding wire after titanium plating, and the rest of the steps are the same as in Example 1, and the deposition test results are shown in Table 1.

Embodiment 3

[0027] Use "isobutanol" instead of aviation kerosene in Example 1 to add dropwise as an auxiliary agent, and through process adjustment, control the conversion of titanium contained on the surface of the final titanium-coated aluminum welding wire into TiO 2 The weight accounts for 0.15% of the total weight of the welding wire after titanium plating, and the rest of the steps are the same as in Example 1, and the deposition test results are shown in Table 1.

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Abstract

The invention belongs to the technical field of plating machining, and particularly relates to a titanizing technology method for the surface of an aluminum welding wire. A cotton thread containing titanium is wound on the surface of the aluminum welding wire, an assistant is dripped on the aluminum welding wire so that the assistant can be attached to the surface, with the cotton thread containing titanium, of the aluminum welding wire, after the cotton thread is completely pulled away from the aluminum welding wire and the assistant on the surface of the welding wire is completely volatized, the processed aluminum welding wire is polished, and the aluminum welding wire with the surface wrapped by titanium is obtained. According to the technology, titanium is evenly attached to the surface of the welding wire, pits and other unfavorable surface conditions generated in the pull-draw process can be comprehensively avoided, welding spatter is smaller during welding, weld joint grains can be refined through a trace of titanium, bubbles are avoided, the quality of a weld joint is improved, and the mechanical performance of the aluminum welding wire is improved.

Description

technical field [0001] The invention belongs to the technical field of coating processing, in particular to a process method for coating titanium on the surface of aluminum welding wire. Background technique [0002] With the application of aluminum welding wire and high-efficiency automation technology in various industries, especially high-end fields such as aerospace, the quality and performance requirements of aluminum welding wire are getting higher and higher. The quality of aluminum welding wire depends not only on the smelting of aluminum welding wire, but also on the forming and surface treatment of aluminum welding wire. The traditional aluminum welding wire processing technology is to draw the thick raw material to the finished product specification, and then remove the lubricant on the surface, etc. Dirt, chemical cleaning, mechanical scraping and other methods used in the past, these methods form pits, oxides, etc. on the surface of the welding wire, which affec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/40
CPCB23K35/404
Inventor 周全法李振华居程亮
Owner 哈焊所华通(常州)焊业股份有限公司
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