CN102237205A - Alloy-copper embedded copying silver material of automobile electric appliance and method for making alloy-copper embedded copying silver material - Google Patents
Alloy-copper embedded copying silver material of automobile electric appliance and method for making alloy-copper embedded copying silver material Download PDFInfo
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- CN102237205A CN102237205A CN2010101593345A CN201010159334A CN102237205A CN 102237205 A CN102237205 A CN 102237205A CN 2010101593345 A CN2010101593345 A CN 2010101593345A CN 201010159334 A CN201010159334 A CN 201010159334A CN 102237205 A CN102237205 A CN 102237205A
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Abstract
The invention relates to the technical field of electrical contact materials, in particular to a copper copying silver material and a method for making the alloy-copper embedded copying silver material. The alloy-copper embedded copying silver material of an automobile electric appliance comprises a brass plate substrate; a positioning groove is arranged on the brass plate substrate; and a silver bar is arranged on the positioning groove and is fixedly melted with the brass plate substrate into a whole. The method for making the alloy-copper embedded copying silver material of the automobile electric appliance comprises the following steps of: 1, digging the positioning groove; 2, welding; 3, sintering; 4, pre-cold rolling; 5, annealing; 6, finely cold rolling; 7, rolling and shearing; and 8, performing surface treatment. The alloy-copper embedded copying silver material, which is produced by the method of the automobile electric appliance has the advantages of high electric conduction performance, good heat conduction performance, high corrosion resistance, strong fusion welding resistance and the like; a contact bridge and a contact are connected into a whole, so the material can be used in frequently-acted automobile appliances, particularly frequency-acted electric appliances such as automobile brake lamp switches and automobile window switches.
Description
Technical field
The present invention relates to the electrical contact material technical field, be specifically related to multiple ag material of a kind of copper and manufacture method.
Background technology
Touching bridge is applied to touch bridge and be provided with contact in the various contactors usually.Electric contact on the contact is the contact element of appliance switch, mainly undertaking connection, open circuit, reach the task of connection, disconnecting consumers electric current, electric contact and arc quenching system are the hearts of appliance switch, the fail safe of appliance switch, reliability and cut-off and close and close physical property and the electrical characteristics thereof that characteristic depends on electric contact material to a great extent.Therefore the performance of electric contact material directly affects the reliability service of appliance switch and associated electrical appliance equipment.
Mostly use copper-based material in the existing electric contact production, existing copper-based material major part is made up of materials such as copper, tungsten and tungsten carbides.Have the advantages that breaking capacity is higher, electrocorrosion-resisting is better, anti-melting welding ability is strong, cut-off current is lower.But high speed development along with modernization construction, high voltage power transmission and transforming networking load increases day by day, device for switching develops towards more high voltage, bigger capacity direction, and original electric contact is slightly inadequate at aspects such as breaking capacity, electrocorrosion-resisting, anti-melting welding ability, cut-off currents.
Summary of the invention
The object of the present invention is to provide the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding, solve above technical problem.
The present invention also aims to provide the manufacture method of the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding, solve above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
The multiple silver-colored car electrics material of a kind of alloyed copper copper embedding, comprise a brass sheet material matrix, it is characterized in that described brass sheet material matrix is provided with location notch, described location notch is provided with silver bar, and described silver bar is melt into one admittedly by argon arc welding and sintering diffusion technology and described brass sheet material matrix.
Described location notch is set to two location notchs, and described two location notchs are arranged on the place, two edges of described brass sheet material matrix.Make silver content reach standard with silver bar and brass sheet material matrix are molten admittedly, the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding has excellent conducting performance, low and stable contact resistance, high erosion resisting, resistance fusion welding can wait advantage by force together.Adopt above-mentioned technology, also make and touch bridge and contact is connected as a single entity, can in car electrics, use by frequent movement,, use in the electrical equipment of frequent action such as car window switch generally as the car brake lamp switch.
The manufacture method of the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding is characterized in that, may further comprise the steps:
1) plane is made location notch: select brass sheet material matrix, place, the two edges plane that brass sheet material matrix is met face is made location notch, brushes the sheet processing to meeting face, requires material surface not have hole, is mingled with;
2) welding: the described face that meets is carried out wiping with alcohol and gauze, and use the argon arc welding that silver bar is welded on the location notch of brass sheet material matrix two edges, obtain base substrate;
3) sintering process: described base substrate is placed heating furnace, under protective atmosphere, adopt the sintering diffusion technology to carry out presintering, so that obtain better combined strength bination;
4) pre-cold-rolling process: base substrate is carried out cold-rolling treatment;
5) annealing process: under protective atmosphere, carry out annealing in process; After annealing is finished, brush sheet once more and handle, billet surface is cleaned down;
6) cold sperm mutual aid system devised for poor peasants skill: carry out cold sperm and prick processing;
7) roller shear technology: use edge-trimming machine to cut the limit;
8) process of surface treatment: utilization polishing waits process of surface treatment to the in addition light decorations landscaping treatment of the surface of the multiple silver-colored car electrics material matrix of a kind of alloyed copper copper embedding.
Described sintering process and annealing process carry out in reducing atmosphere or vacuum atmosphere, in case oxidation.In the described sintering process, adopt intermediate frequency three-temperature-zone gradient distribution temperature sintering diffusion technology.
Described heating furnace adopts electric furnace, is suitable for especially and adopts the molybdenum filament sintering furnace.So that accurately control temperature and reduce impurity.
By the sintering diffusion technology, make these two kinds of metals of silver bar and brass sheet material matrix produce solid clinkerings and close, in the hope of reaching best bond strength, and, make product produce work hardening, in the hope of reaching best modulus of elasticity by technologies such as pre-cold rolling and pinch passes.
Beneficial effect: based on the manufacture method of the multiple silver-colored car electrics material of the visible a kind of alloyed copper copper of technique scheme embedding, has the advantage that production cost is lower, product percent of pass is high, the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding of adopting manufacture method of the present invention to produce has excellent conducting performance, good heat-conducting, low and stable contact resistance, high erosion resisting, resistance fusion welding can wait advantage by force, can in car electrics, use by frequent movement, generally, use in the electrical equipment of frequent action such as car window switch as the car brake lamp switch.
Description of drawings
Fig. 1 is the process chart of the manufacture method of the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding;
Fig. 2 is the structural representation of the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 1, Fig. 2, the manufacture method of the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding may further comprise the steps:
Dig and make location notch 1: select brass sheet material matrix 9, preferred 62 brass sheetes, the system location notch is dug at the place, two edges that brass sheet material matrix 9 is met face, brushes the sheet processing to meeting face, requires material surface not have hole, is mingled with;
Welding 2: will meet face and carry out wiping, and use the argon arc welding that silver bar 10 is welded on the location notch of brass sheet material matrix 9 two edges, and obtain base substrate with alcohol and white gauze;
Sintering process 3: base substrate is placed heating furnace, under protective atmosphere, adopt intermediate frequency three-temperature-zone gradient distribution temperature sintering diffusion technology to carry out presintering, so that obtain better combined strength bination;
Pre-cold-rolling process 4: base substrate is carried out cold-rolling treatment, and cold roling reduction is thick from the thick 1.3mm that is compressed to of 3mm;
Annealing process 5: under protective atmosphere, carry out annealing in process; After annealing is finished, brush sheet once more and handle, billet surface is cleaned down;
Cold sperm mutual aid system devised for poor peasants skill 6: carry out cold sperm and prick processing, requiring finished product thickness is 0.9 ± 0.02mm, obtains the multiple silver-colored car electrics material matrix of a kind of alloyed copper copper embedding;
Roller shear technology 7: use edge-trimming machine that the multiple silver-colored car electrics material matrix of a kind of alloyed copper copper embedding is cut the limit, cutting the hem width degree is 69.4mm, obtains the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding;
Process of surface treatment 8: utilization polishing waits process of surface treatment to the in addition light decorations landscaping treatment of the surface of the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding.
Sintering process 3 carries out in reducing atmosphere or vacuum atmosphere, in case oxidation.Heating furnace is suitable for the employing electric furnace, is suitable for especially and adopts the molybdenum filament sintering furnace, and the molybdenum filament sintering furnace has temperature stabilization and is suitable for the characteristics of control.Charge into reducing gases in the molybdenum filament sintering furnace, reducing gases adopts hydrogen or nitrogen, the protective gas during as sintering.Also can charge into hydrogen and nitrogen simultaneously.In the annealing process 5, also in reducing atmosphere or vacuum atmosphere, carry out, in case oxidation.
With reference to Fig. 2, the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding by above-mentioned technology is made comprises a brass sheet material matrix 9, and brass sheet material matrix 9 is provided with location notch, and location notch is provided with silver bar 10, and silver bar 10 is melt into one admittedly with brass sheet material matrix 9.Location notch is set to two location notchs, and two location notchs are arranged on the place, two edges of brass sheet material matrix 9.Based on technique scheme, with silver bar 10 and brass sheet material matrix 9 solid melting together, make silver content reach standard, make the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding have excellent conducting performance, low and stable contact resistance, high erosion resisting, resistance fusion welding and can wait advantage by force.Adopt above-mentioned technology, also make and touch bridge and contact is connected as a single entity, can in car electrics, use by frequent movement,, use in the electrical equipment of frequent action such as car window switch generally as the car brake lamp switch.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. silver-colored car electrics material is answered in alloyed copper copper embedding, comprise a brass sheet material matrix, it is characterized in that described brass sheet material matrix is provided with location notch, described location notch is provided with silver bar, and described silver bar is melt into one admittedly by argon arc welding and sintering diffusion technology and described brass sheet material matrix.
2. the multiple silver-colored car electrics material of a kind of alloyed copper copper according to claim 1 embedding is characterized in that described location notch is set to two location notchs, and described two location notchs are arranged on the place, two edges of described brass sheet material matrix.
3. the manufacture method of the multiple silver-colored car electrics material of alloyed copper copper embedding is characterized in that, may further comprise the steps:
1) plane is made location notch: select the brass sheet material, place, the two edges plane that the brass sheet material is met face is made location notch, brushes the sheet processing to meeting face, requires material surface not have hole, is mingled with;
2) welding: the described face that meets is carried out wiping with alcohol and gauze, and use the argon arc welding that silver bar is welded on the location notch of brass sheet material two edges, obtain base substrate;
3) sintering process: described base substrate is placed heating furnace, under protective atmosphere, adopt the sintering diffusion technology to carry out presintering, so that obtain better combined strength bination;
4) pre-cold-rolling process: base substrate is carried out cold-rolling treatment;
5) annealing process: under protective atmosphere, carry out annealing in process; After annealing is finished, brush sheet once more and handle, billet surface is cleaned down;
6) cold sperm mutual aid system devised for poor peasants skill: carry out cold sperm and prick processing, obtain the multiple silver-colored car electrics material matrix of a kind of alloyed copper copper embedding;
7) roller shear technology: use edge-trimming machine that the multiple silver-colored car electrics material matrix of a kind of alloyed copper copper embedding is cut the limit, obtain the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding;
8) process of surface treatment: the utilization process of surface treatment is to the in addition light decorations landscaping treatment of the surface of the multiple silver-colored car electrics material of a kind of alloyed copper copper embedding.
4. the manufacture method of the multiple silver-colored car electrics material of a kind of alloyed copper copper according to claim 3 embedding is characterized in that described sintering process and annealing process carry out, in case oxidation in reducing atmosphere or vacuum atmosphere.
5. according to the manufacture method of claim 3 or the multiple silver-colored car electrics material of 4 described a kind of alloyed copper copper embeddings, it is characterized in that, in the described sintering process, adopt intermediate frequency three-temperature-zone gradient distribution temperature sintering diffusion technology.
6. the manufacture method of the multiple silver-colored car electrics material of a kind of alloyed copper copper according to claim 5 embedding is characterized in that described heating furnace adopts the molybdenum filament sintering furnace.
7. the manufacture method of the multiple silver-colored car electrics material of a kind of alloyed copper copper according to claim 4 embedding is characterized in that the reducing gases in the described reducing atmosphere adopts hydrogen.
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| CN2010101593345A CN102237205A (en) | 2010-04-27 | 2010-04-27 | Alloy-copper embedded copying silver material of automobile electric appliance and method for making alloy-copper embedded copying silver material |
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| CN2010101593345A CN102237205A (en) | 2010-04-27 | 2010-04-27 | Alloy-copper embedded copying silver material of automobile electric appliance and method for making alloy-copper embedded copying silver material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814324A (en) * | 2012-08-30 | 2012-12-12 | 福达合金材料股份有限公司 | Preparation method of side compound silver-copper composite strip |
| CN103077854A (en) * | 2012-12-25 | 2013-05-01 | 浙江乐银合金有限公司 | Manufacturing method of integrated static contact bridge of miniature circuit breaker |
| CN107946111A (en) * | 2017-11-23 | 2018-04-20 | 温州宏丰电工合金股份有限公司 | A kind of long bullion graphite contact material and the quick composite preparation process of solder band |
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| CN2058526U (en) * | 1988-01-13 | 1990-06-20 | 浙江省瑞安市电工合金材料厂 | Silver nickel copper compound electric contact |
| JP2005350696A (en) * | 2004-06-08 | 2005-12-22 | Hitachi Cable Ltd | Method for manufacturing copper alloy for terminal and connector |
| CN101100714A (en) * | 2007-07-20 | 2008-01-09 | 中铝洛阳铜业有限公司 | Corrosion resistant brass alloy material for plate heat exchanger and processing technique thereof |
| CN201918263U (en) * | 2010-04-27 | 2011-08-03 | 上海电科电工材料有限公司 | Brass alloy (brass embedded into silver) material used in vehicle electric appliance |
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| CN86105621A (en) * | 1985-06-14 | 1987-02-25 | 住友特殊金属株式会社 | The manufacture method of composite plate, composite plate and equipment |
| CN2058526U (en) * | 1988-01-13 | 1990-06-20 | 浙江省瑞安市电工合金材料厂 | Silver nickel copper compound electric contact |
| CN1036526A (en) * | 1988-02-25 | 1989-10-25 | 梅兰日兰公司 | The preparation method of composite component and with the contact part of the made band contact chip of this method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814324A (en) * | 2012-08-30 | 2012-12-12 | 福达合金材料股份有限公司 | Preparation method of side compound silver-copper composite strip |
| CN103077854A (en) * | 2012-12-25 | 2013-05-01 | 浙江乐银合金有限公司 | Manufacturing method of integrated static contact bridge of miniature circuit breaker |
| CN107946111A (en) * | 2017-11-23 | 2018-04-20 | 温州宏丰电工合金股份有限公司 | A kind of long bullion graphite contact material and the quick composite preparation process of solder band |
| CN107946111B (en) * | 2017-11-23 | 2019-08-30 | 温州宏丰电工合金股份有限公司 | A kind of long bullion graphite contact material and the quick composite preparation process of solder band |
| US10818447B2 (en) | 2017-11-23 | 2020-10-27 | Wenzhou Hongfeng Electrical Alloy Co., Ltd | Preparation method of rapid composite of long silver-graphite electrical contact material and solder strip material |
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Application publication date: 20111109 |