CN86106316A - A kind of surface treatment method of melting super-purified aluminium welding wire - Google Patents
A kind of surface treatment method of melting super-purified aluminium welding wire Download PDFInfo
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- CN86106316A CN86106316A CN86106316.3A CN86106316A CN86106316A CN 86106316 A CN86106316 A CN 86106316A CN 86106316 A CN86106316 A CN 86106316A CN 86106316 A CN86106316 A CN 86106316A
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- welding wire
- surface treatment
- super
- polishing
- purified aluminium
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Abstract
The present invention relates to the manufacturing process of melting super-purified aluminium welding wire.Provide and a kind of the super-purified aluminium welding wire surface energy is carried out processed continuously method.Surface cleaning, polishing, the removing of welding wire are organically fused.With this kind process of surface treatment, can cut down the number of intermediate links, guarantee the surface quality of welding wire.
Description
The present invention relates to the manufacturing process of melting super-purified aluminium welding wire.
Shielded welding is a kind of high-level efficiency, high quality, be easy to realize the welding process of mechanize, automatization.In recent years, on the welding process of aluminum products, China has also adopted gas-shield automatic welding to connect.The needed melting super-purified aluminium welding wire of this welding all is from foreign import at present, domesticly still can not produce.One of its reason is the performance requriements height of this welding wire.
This super-purified aluminium welding wire has all proposed a series of requirements to aspects such as mechanical property, chemical ingredients, surface quality, physical dimension.For guaranteeing how surface quality carries out surface treatment to the melting super-purified aluminium welding wire that draws moulding is one of key factor in the welding wire manufacturing processed.Various countries have adopted diverse ways to surface treatment.As: United States Patent (USP) vs4256602 has announced that the aluminium of removing the aluminium welding wire surface is considered to be worth doing and the method for lubricating oil; The Soviet Union adopts the method for solution removal aluminium such as phosphoric acid and aluminum alloy surface oxide film; Japanese Patent j55-125277 proposes phosphoric acid-sulfuric acid-nitric acid type mixed solution welding wire surface is polished.Aforesaid method all is to belong to chemical process.Handle with electrochemical method in addition.In these treatment processs, the problem that all belongs to for solving in the surface quality in a certain respect adopts a kind of ad hoc approach separately, is exactly that surface cleaning, surface finish, surface are removed with their classification.Obviously, implement said " cleaning ", " polishing " separately, " removing " can not reach the welding wire surface processing intent.Exist the residue that is brought by scavenging solution itself to be attached to welding wire surface in " cleaning " back simultaneously, exist by polishing fluid in " polishing " back to form the erosion point at welding wire surface, directly influence the quality of welding wire through certain hour.
The purpose of this invention is to provide a kind of a kind of integrated continuous processing technique that the super-purified aluminium welding wire surface is handled.
The present invention realizes by following method.
With the surface treatment of super-purified aluminium welding wire, be divided into three process sections: remove welding wire surface because of the scrap metal of pulling process generation and " surface cleaning " of lubricating grease; For making welding wire surface smooth finish reach minute surface and making profile keep evenly constant, must polish its surface.(and forming the protective membrane of a layer thickness below 5 μ m thereon) i.e. " surface finish "; For keeping the pure of welding wire surface, also need continue to remove its surperficial chemical substance or impurity, promptly carry out " remove on the surface ".Above-mentioned three process sections, we adopt respectively individually, but their modes by " remove on surface cleaning-surface finish-surface " are organically fused, and welding wire carries out surface treatment within it continuously, incessantly.This surface treatment mode can carry out by single welding wire, also can many carries out simultaneously.Experiment shows that many root beads silk by placing the various surface treatment liquids in the constant vessel, not only can be boosted productivity simultaneously, can also accelerate the reaction of welding wire surface and treatment solution.Improve quality of finish.
Above-mentioned process of surface treatment is a chemical process.Surface cleaning liquid is by NaoH, Na
2SiO
3, H
2O mixes.The time that welding wire passes through in scavenging solution is prerequisite with scrap metal and the grease of removing welding wire surface.Be adsorbed with basic cpd through the welding wire surface after cleaning, before entering next glossing section, also must use heat, cold water washing.Otherwise can with the sour react with in the polishing fluid.Polishing fluid is mixed by sulfuric acid, nitric acid.Welding wire within it by the time, the welding wire polishing that is corroded.Its smooth finish was determined by the time by polishing fluid.Welding wire after polishing enters the surface immediately and removes section, at first with buck the acid solution of welding wire surface is removed, and washs with pure water again.
The present invention compared with prior art, surface treatment does not have middle-chain, does not have mechanical clashing and breaking and welding wire surface to adhere to compound or impurity yet and is detained long and the shortcoming of easy-clear not, thereby guaranteed the surface treatment quality of super-purified aluminium welding wire and boost productivity.
Following is a kind of successful embodiment.Above-mentioned scavenging solution, polishing fluid, removing liquid are placed and fuses, but in the container that separates separately.8 super-purified aluminium welding wires that draw moulding are simultaneously continuously by in it, determine that by the geometrical dimension of the container of speed of passing through and placement surface treatment solution following is rational by the time:
Scavenging solution: 50～60 ℃ of times of temperature are not more than 2 minutes
Polishing fluid: 85～90 ℃ of 45～60 seconds times of temperature
Remove liquid: 50 ℃ of 60～80 seconds times of temperature
Claims (4)
1, makes melting super-purified aluminium (or aluminium alloy) welding wire generally through drawing moulding, surface cleaning, polishing, removing residue and each procedure.It is characterized in that drawing the integrated surface treatment process method of surface cleaning that melting super-purified aluminium welding wire many whiles of moulding carry out continuously, polishing, removing residue.
2, by claim 1 described surface treatment process method, it is characterized in that said " cleaning ", " polishing ", " removing " are to carry out with chemical process, wherein, aqueous cleaning solution contains sodium hydroxide and water glass, polishing fluid phosphoric acid and nitric acid, removing liquid is respectively alkaline solution and pure water.
3,, it is characterized in that processed welding wire passes through continuously in the immobilized chemical liquids by claim 2 described surface treatment process methods.
4, by claim 1,2,3 described surface treatment process methods, it is characterized in that the melting super-purified aluminium welding wire that manufactures with this processing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86106316.3A CN1006135B (en) | 1986-07-18 | 1986-07-18 | Method of surface treatment of melting super-purified aluminium welding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86106316.3A CN1006135B (en) | 1986-07-18 | 1986-07-18 | Method of surface treatment of melting super-purified aluminium welding wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86106316A true CN86106316A (en) | 1988-02-03 |
| CN1006135B CN1006135B (en) | 1989-12-20 |
Family
ID=4803154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86106316.3A Expired CN1006135B (en) | 1986-07-18 | 1986-07-18 | Method of surface treatment of melting super-purified aluminium welding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1006135B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745762B (en) * | 2008-12-19 | 2012-11-21 | 北京有色金属与稀土应用研究所 | Surface treatment method for aluminum alloy welding wire |
| CN101524799B (en) * | 2009-03-08 | 2013-07-10 | 聊城北科电子信息材料有限公司 | Method for preparing bonding superfine Al welding wire |
| CN103386403A (en) * | 2013-07-11 | 2013-11-13 | 杭州华光焊接新材料股份有限公司 | Bar-like brazing filler metal cleaning method and cleaning device |
-
1986
- 1986-07-18 CN CN86106316.3A patent/CN1006135B/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745762B (en) * | 2008-12-19 | 2012-11-21 | 北京有色金属与稀土应用研究所 | Surface treatment method for aluminum alloy welding wire |
| CN101524799B (en) * | 2009-03-08 | 2013-07-10 | 聊城北科电子信息材料有限公司 | Method for preparing bonding superfine Al welding wire |
| CN103386403A (en) * | 2013-07-11 | 2013-11-13 | 杭州华光焊接新材料股份有限公司 | Bar-like brazing filler metal cleaning method and cleaning device |
| CN103386403B (en) * | 2013-07-11 | 2015-11-04 | 杭州华光焊接新材料股份有限公司 | A kind of bar-shaped solder cleaning method and cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1006135B (en) | 1989-12-20 |
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