CN101916623A - Wire repair method for polyimide film sintered electromagnetic wire - Google Patents
Wire repair method for polyimide film sintered electromagnetic wire Download PDFInfo
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- CN101916623A CN101916623A CN 201010241522 CN201010241522A CN101916623A CN 101916623 A CN101916623 A CN 101916623A CN 201010241522 CN201010241522 CN 201010241522 CN 201010241522 A CN201010241522 A CN 201010241522A CN 101916623 A CN101916623 A CN 101916623A
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- film
- wire
- electromagnetic wire
- polyimide film
- sintering
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Abstract
The invention discloses a wire repair method for a polyimide film sintered electromagnetic wire. The wire repair method comprises the following steps of: baking the defective electromagnetic wire provided with burrs and sintered with a polyimide film to expand the polyimide film on the electromagnetic wire, removing the film, repairing the burrs, polishing the electromagnetic wire, and re-lapping the polyimide film to perform sintering and deposition so as to finish repairing the film electromagnetic wire with the burrs. By using the high-temperature expandable drop cracking property of a film material used by the electromagnetic wire, removing the sintered polyimide film by adopting a high-temperature secondary sintering method, repairing the burr part and re-sintering the film with non-repair performance and equivalent disposable qualified electromagnetic wire performance, the method effectively solves the problem of difficult repair of the burrs after the film electromagnetic wire is sintered, repairs the unqualified electromagnetic wire with the burrs, reduces the scrap in electromagnetic wire production, greatly saves the cost and reduces the waste.
Description
Technical field
The present invention relates to a kind of wire repair method of film sintered electromagnetic wire, specifically a kind of reparation burr method of polyimide film sintered copper strap wire.
Background technology
If polyimide film sintered copper strap wire conductor is jagged, film sintered after, burr part film unbalance stress, break easily in the use, influence insulation property, the generation accident, especially the burr of the crooked chamfered part of copper strap wire, film is easier to break, and has a strong impact on the electromagnetic wire security performance.But machinery is produced in batches, be difficult to avoid some jagged faulty materials to occur, repairing burr must remove the film that adheres on the copper conductor, equating burr again, again wrapped sintering is covered with film, but film tightly adheres on the copper conductor through high temperature sintering, is difficult for peeling off to repairing burr bringing difficulty.The conventional process way can only be scrapped or be worked as copper scrap and sell cheap, indivedual producers adopt chemical agent to handle film, but electromagnetic wire adopts the oxygen-free copper conductor very easily to be corroded or oxidation more, the polyimide film good corrosion resistance, these can also can react to the oxygen-free copper conductor with the medicament of film reaction, destroy the copper conductor performance, the final end properties of repairing of influence, the repairing effect is undesirable.
Summary of the invention
The problem that is difficult to repair for the burr that solves the film sintered copper strap wire of imines, the wire repair method that the purpose of this invention is to provide a kind of polyimide film sintered electromagnetic wire, this method is simple and practical, utilizes the used thin-film material high temperature of the electromagnetic wire embrittlement characteristic that gets loose that easily expands, and adopts the high temperature secondary sintering process to divest polyimide film on the sintering, repair the burr part, again sintering upper film again, performance was not with repairing, and disposable qualified magnet wire property is suitable, save cost, reduced waste.
The objective of the invention is to be achieved through the following technical solutions:
A kind of wire repair method of polyimide film sintered electromagnetic wire, it is characterized in that this method with jagged and on the sintering flaw electromagnetic wire of polyimide film carry out high temperature sintering again, polyimide film expansion on the electromagnetic wire is got loose, and film divested, fix burr, wrapped again polyimide film sintered deposited after polishing smooth, concrete steps are as follows:
1) with jagged and on the sintering flaw electromagnetic wire of polyimide film be put on the wrapped agglomerating plant pay off rack of film, with jagged range section unwrapping wire tremendously high frequency sintering machine place, the high frequency sintering temperature is adjusted to is higher than about 10～20 ℃ of sintering temperature, again high-temperature process, the film on the electromagnetic wire at high temperature bulges and pitches;
2) close the high frequency sintering machine, the film that comes bulging divests, burr is repaired smooth, and cleaning copper conductor surface;
3) conductor of handling is polished again, wrapped polyimides, sinter molding, the high frequency sintering machine is recalled to former sintering temperature, and jagged thin-film electro magnet-wire reparation finishes.
Among the present invention, jagged range section is 50cm before and after the burr, and repairing effect is best like this.The film that pitches that bulges can be removed by hand, repaired burr after, the cleaning conductor need use the fine sandpaper light weight sand.Cleaning copper conductor surface is: remove the viscose that adheres on the film fragments do not peeled off fully on the conductor and the film with fine sandpaper.
The present invention utilizes the crisp row variation characteristic of polyimide film expanded by heating, jagged flaw electromagnetic wire high-temperature process to wrapped sintering polyimide film, make polyimide film nature expansion drop, repair burr again, the wrapped again sintering polyimide film of polishing cleaning conductor.The present invention finds the jagged problem that is difficult to repair after having solved thin-film electro magnet-wire sintering effectively, to jagged defective electromagnetic wire place under repair.
Compared with prior art, the present invention adopts high temperature method that film is come off, and does not corrode the injury conductor, and the conductor performance is not had influence, has reduced scrapping in the electromagnetic wire production, has saved cost greatly, has reduced waste.
Description of drawings
Accompanying drawing is a flow chart of the present invention.
Embodiment
A kind of wire repair method method of film sintered electromagnetic wire of the present invention, see accompanying drawing, this wire repair method is with the jagged and flaw electromagnetic wire high temperature sintering of polyimide film on the sintering, polyimide film expansion on the electromagnetic wire is got loose, film is divested, fix burr, polish smooth, wrapped again polyimide film sintered deposited.
Concrete steps are as follows:
With found jagged but the flaw electromagnetism drum of polyimide film is put back to the wrapped agglomerating plant pay off rack of film on the sintering, with jagged range section (about 50cm before and after the burr) unwrapping wire tremendously high frequency sintering machine place, the high frequency sintering temperature is adjusted to is higher than about 10～20 ℃ of sintering temperature, again high-temperature process, the film on the electromagnetic wire at high temperature can bulge and pitch.
Close the high frequency sintering machine, the film peel manually that comes bulging removes, and burr is repaired smooth, removes the viscose that adheres on the film fragments do not peeled off fully on the conductor and some films with fine sandpaper again, to the further cleaning in copper conductor surface.
The conductor of handling is polished again, wrapped polyimides, sinter molding, the high frequency sintering machine is recalled to former sintering temperature, and jagged thin-film electro magnet-wire reparation finishes.
The present invention adopts the crisp row variation characteristic of polyimide film expanded by heating, jagged flaw electromagnetic wire high-temperature process to wrapped sintering polyimide film, make polyimide film nature expansion drop, repair burr again, the wrapped again sintering polyimide film of polishing cleaning conductor, this method is found the jagged problem that is difficult to repair after having solved thin-film electro magnet-wire sintering effectively, to jagged defective electromagnetic wire place under repair, the method that comes off film adopts high temperature method, do not corrode the injury conductor, the conductor performance is not had influence, this method has reduced scrapping in the electromagnetic wire production, save cost greatly, reduced waste.
Claims (3)
1. the wire repair method of a polyimide film sintered electromagnetic wire, it is characterized in that this method with jagged and on the sintering flaw electromagnetic wire of polyimide film carry out high temperature sintering again, polyimide film expansion on the electromagnetic wire is got loose, and film divested, fix burr, wrapped again polyimide film sintered deposited after polishing smooth, concrete steps are as follows:
1) with jagged and on the sintering flaw electromagnetic wire of polyimide film be put on the wrapped agglomerating plant pay off rack of film, with jagged range section unwrapping wire tremendously high frequency sintering machine place, the high frequency sintering temperature is adjusted to is higher than about 10～20 ℃ of sintering temperature, again high-temperature process, the film on the electromagnetic wire at high temperature bulges and pitches;
2) close the high frequency sintering machine, the film that comes bulging divests, burr is repaired smooth, and cleaning copper conductor surface;
3) conductor of handling is polished again, wrapped polyimides, sinter molding, the high frequency sintering machine is recalled to former sintering temperature, and jagged thin-film electro magnet-wire reparation finishes.
2. the wire repair method of polyimide film sintered electromagnetic wire according to claim 1 is characterized in that: in the step 1), jagged range section is 50cm before and after the burr.
3. the wire repair method of polyimide film sintered electromagnetic wire according to claim 1 is characterized in that: step 2) in, cleaning copper conductor surface is: remove the viscose that adheres on the film fragments do not peeled off fully on the conductor and the film with fine sandpaper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010241522 CN101916623A (en) | 2010-07-30 | 2010-07-30 | Wire repair method for polyimide film sintered electromagnetic wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010241522 CN101916623A (en) | 2010-07-30 | 2010-07-30 | Wire repair method for polyimide film sintered electromagnetic wire |
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| Publication Number | Publication Date |
|---|---|
| CN101916623A true CN101916623A (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201010241522 Pending CN101916623A (en) | 2010-07-30 | 2010-07-30 | Wire repair method for polyimide film sintered electromagnetic wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029032A (en) * | 2019-11-18 | 2020-04-17 | 西部超导材料科技股份有限公司 | Method for improving surface quality of NbTi superconducting wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01195615A (en) * | 1988-01-30 | 1989-08-07 | Sumitomo Heavy Ind Ltd | Production of superconductive material |
| JPH02158009A (en) * | 1988-12-09 | 1990-06-18 | Sumitomo Heavy Ind Ltd | Manufacture of superconductive ceramic wire rod |
| CN1988062A (en) * | 2006-12-12 | 2007-06-27 | 上海乐庭电子线缆有限公司 | Method and device for clearing metal knitted burr of cable shield layer |
| CN101414493A (en) * | 2008-12-08 | 2009-04-22 | 长沙长利电工材料有限责任公司 | A kind of electromagnetic wire and coil windings |
-
2010
- 2010-07-30 CN CN 201010241522 patent/CN101916623A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01195615A (en) * | 1988-01-30 | 1989-08-07 | Sumitomo Heavy Ind Ltd | Production of superconductive material |
| JPH02158009A (en) * | 1988-12-09 | 1990-06-18 | Sumitomo Heavy Ind Ltd | Manufacture of superconductive ceramic wire rod |
| CN1988062A (en) * | 2006-12-12 | 2007-06-27 | 上海乐庭电子线缆有限公司 | Method and device for clearing metal knitted burr of cable shield layer |
| CN101414493A (en) * | 2008-12-08 | 2009-04-22 | 长沙长利电工材料有限责任公司 | A kind of electromagnetic wire and coil windings |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029032A (en) * | 2019-11-18 | 2020-04-17 | 西部超导材料科技股份有限公司 | Method for improving surface quality of NbTi superconducting wire |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101215 |