CN104289876B - Ultra-thin silver layer welding of belt processing technique - Google Patents
Ultra-thin silver layer welding of belt processing technique Download PDFInfo
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- CN104289876B CN104289876B CN201410585154.1A CN201410585154A CN104289876B CN 104289876 B CN104289876 B CN 104289876B CN 201410585154 A CN201410585154 A CN 201410585154A CN 104289876 B CN104289876 B CN 104289876B
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- strip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/002—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating specially adapted for particular articles or work
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to welding technique field, particularly relating to ultra-thin silver layer welding of belt processing technique, it includes following step: step one, prepares welding material strip, auxiliary welding material strip and material web, welding material strip is silver alloy band, and auxiliary welding material strip and material web are copper alloy belt；Step 2, carries out method hot rolling by auxiliary welding material strip with welding material strip, makes annealing treatment again, make silver-copper composite strip after method hot rolling；Step 3, carries out point bar by banding machine to silver-copper composite strip and processes；Step 4, then silver-copper composite strip is placed on the surface of material web, location；Step 5, carries out soldering by thermal compression welding device to silver-copper composite strip and material web, obtains finished product；Step 6, packaging warehouse-in；The present invention, by increasing by one layer of auxiliary welding material strip, enables silver alloy band thick for 0.02mm ~ 0.03mm to weld together with copper alloy belt, will not damage silver alloy band in welding process, reduce finished product and scrap, reduce production cost.
Description
Technical field
The present invention relates to welding technique field, particularly relate to ultra-thin silver layer welding of belt processing technique.
Background technology
Ultra-thin silver layer welding of belt belongs to the contact original paper of electric switch, instrument and meter, it mainly undertakes connects and the effect of breaking current, it has decisive role to the safe operation of electrical equipment, in the material producing ultra-thin silver layer welding of belt, silver alloy, owing to having preferable resistance to electrical wear, resistance fusion welding and electric conductivity, is used widely in low-voltage electrical apparatus
The oxide of silver is poor with the bond strength of copper alloy, and contacting in original paper, the thickness range of its silver alloy band is 0.02mm ~ 0.03mm, if being easily damaged silver alloy band if directly silver alloy band and copper alloy belt being welded together, cause finished product to scrap, increase production cost.
Summary of the invention
Present invention aims to the deficiencies in the prior art and ultra-thin silver layer welding of belt processing technique is provided, the present invention is by increasing by one layer of auxiliary welding material strip, silver alloy band thick for 0.02mm ~ 0.03mm is enable to weld together with copper alloy belt, welding process will not be damaged silver alloy band, reduce finished product to scrap, reduce production cost.
For achieving the above object, the ultra-thin silver layer welding of belt processing technique of the present invention, it includes following step:
Step one, prepares welding material strip, auxiliary welding material strip and material web, and welding material strip is silver alloy band, and auxiliary welding material strip and material web are copper alloy belt；
Step 2, carries out method hot rolling by auxiliary welding material strip with welding material strip, makes annealing treatment again, make silver-copper composite strip after method hot rolling；
Step 3, carries out point bar by banding machine to silver-copper composite strip and processes, obtain the size being actually needed；
Step 4, is placed on the surface of material web by silver-copper composite strip good for point bar, and auxiliary welding material strip is connected with material web, and positions；
Step 5, by thermal compression welding device, silver-copper composite strip and material web are carried out soldering, the contact surface between auxiliary welding material strip and material web is made to melt, when auxiliary welding material strip melt completely and with material web melt after liquid mixes, welding material strip then welds together with material web completely, obtains finished product；
Step 6, packaging warehouse-in.
As preferably, the thickness of described welding material strip is 0.02mm ~ 0.03mm.
As preferably, auxiliary welding material strip carries out method hot rolling with welding material strip, and it includes following step:
A. butt welding splicing band and auxiliary welding material strip are carried out, and remove greasy dirt；
The most cleaned welding material strip and auxiliary welding material strip are put into hot-rolling mill and carried out rolling compound, make semi-finished product silver-copper composite strip；
Being annealed by semi-finished product silver-copper composite strip, annealing temperature 400 DEG C ~ 600 DEG C, the time is 0.2h ~ 1h the most again；
Silver-copper composite strip is put into finishing mill the most again and carries out finished product rolling, in annealing；
E. finished product silver-copper composite strip is prepared.
As preferably, the heating-up temperature of method hot rolling is 300 DEG C ~ 800 DEG C.
As preferably, annealing temperature 500 DEG C, the time is 0.51h.
As preferably, silver-copper composite strip divides bar a size of 0.5mm ~ 1mm.
As preferably, soldering, by thermal compression welding device, the contact surface between silver-copper composite strip and material web is melted, thermal compression welding device is motor roller, carries out hot pressing by motor pair of rollers silver-copper composite strip, and electric energy is converted to heat energy, its temperature is 600 DEG C ~ 1100 DEG C, auxiliary welding material strip melt completely and with material web melt after liquid mix, weld material strip and be then combined with material web completely, obtain finished product.
Beneficial effects of the present invention: the ultra-thin silver layer welding of belt processing technique of the present invention, it includes following step: step one, preparing welding material strip, auxiliary welding material strip and material web, welding material strip is silver alloy band, and auxiliary welding material strip and material web are copper alloy belt；Step 2, carries out method hot rolling by auxiliary welding material strip with welding material strip, makes annealing treatment again, make silver-copper composite strip after method hot rolling；Step 3, carries out point bar by banding machine to silver-copper composite strip and processes, obtain the size being actually needed；Step 4, is placed on the surface of material web by silver-copper composite strip good for point bar, and auxiliary welding material strip is connected with material web, and positions；Step 5, by thermal compression welding device, silver-copper composite strip and material web are carried out soldering, the contact surface between auxiliary welding material strip and material web is made to melt, when auxiliary welding material strip melt completely and with material web melt after liquid mixes, welding material strip then welds together with material web completely, obtains finished product；Step 6, packaging warehouse-in；The present invention, by increasing by one layer of auxiliary welding material strip, enables silver alloy band thick for 0.02mm ~ 0.03mm to weld together with copper alloy belt, will not damage silver alloy band in welding process, reduce finished product and scrap, reduce production cost.
Accompanying drawing explanation
Fig. 1 is welding material strip before the present invention welds, auxiliary welding material strip and the structural representation of material web.
Fig. 2 is to weld material strip, auxiliary welding material strip and the structural representation of material web after the present invention welds.
Reference includes:
1 welding material strip
2 auxiliary welding material strips
3 material webs
4 silver-copper composite strips.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1 to Figure 2, ultra-thin silver layer welding of belt processing technique, it includes following step:
Step one, prepares welding material strip 1, auxiliary welding material strip 2 and material web 3, and welding material strip 1 be silver alloy band, its thickness be thickness be 0.02mm ~ 0.03mm, auxiliary welds material strip 2 and material web 3 is copper alloy belt；
Step 2, carries out method hot rolling by auxiliary welding material strip 2 with welding material strip 1, wraps following step:
A. butt welding splicing band 1 and auxiliary welding material strip 2 are carried out, and remove greasy dirt and oxide；
The most cleaned welding material strip 1 and auxiliary welding material strip 2 are put into hot-rolling mill and carries out rolling compound, make semi-finished product silver-copper composite strip 4；
Being annealed by semi-finished product silver-copper composite strip 4, annealing temperature 400 DEG C ~ 600 DEG C, the time is 0.2h ~ 1h the most again；
The most again silver-copper composite strip 4 is put into finishing mill and carry out finished product rolling, in annealing；
E. finished product silver-copper composite strip 4 is prepared.
Step 3, carries out point bar by banding machine to silver-copper composite strip 4 and processes, obtain the size being actually needed；
Step 4, is placed on the surface of material web 3 by silver-copper composite strip 4 good for point bar, and auxiliary welding material strip 2 is connected with material web 3, and positions；
Step 5, being melted by contact surface between silver-copper composite strip 4 and material web 3 by thermal compression welding device, its temperature is 600 DEG C ~ 1100 DEG C, auxiliary welding material strip 2 melt completely and with material web 3 melt after liquid mixes, welding material strip 1 is then combined with material web 3 completely, obtains finished product；
Step 6, packaging warehouse-in.
nullFirst auxiliary welding material strip 2 is carried out method hot rolling with welding material strip 1 by the present embodiment，Because the bond strength of siluer metal oxide and copper is poor，And silver and copper can combine，Therefore it is carried out firstly the need of welding material strip 1 and auxiliary welding material strip 2，Remove greasy dirt and oxide，Cleaned welding material strip 1 and auxiliary welding material strip 2 are put into hot-rolling mill again and carries out rolling compound，The heating-up temperature of method hot rolling is 300 DEG C ~ 800 DEG C，Make semi-finished product silver-copper composite strip 4，Again semi-finished product silver-copper composite strip 4 is annealed，Its annealing temperature 500 DEG C，Time is 0.51h，Silver-copper composite strip 4 after annealed technique places into finishing mill and carries out finished product rolling，The most once make annealing treatment，Its annealing temperature 500 DEG C，Time is 0.51h，Finally obtain finished product silver-copper composite strip 4，Silver-copper composite strip 4 carries out point bar again process，Silver-copper composite strip 4 good for point bar is placed on the surface of material web 3、Location，By thermal compression welding device, the contact surface between silver-copper composite strip 4 and material web 3 is melted，The present embodiment thermal compression welding device is motor roller，Hot pressing is carried out by motor pair of rollers silver-copper composite strip 4，Electric energy is converted to heat energy，Its temperature is 700 DEG C，Auxiliary welding material strip 2 melt completely and with material web 3 melt after liquid mixes，Welding material strip 1 is then combined with material web 3 completely，Obtain finished product.
The present invention, by increasing by one layer of auxiliary welding material strip, enables silver alloy band thick for 0.02mm ~ 0.03mm to weld together with copper alloy belt, will not damage silver alloy band in welding process, reduce finished product and scrap, reduce production cost.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the thought of the present invention, the most all will change, and this specification content should not be construed as limitation of the present invention.
Claims (7)
- The most ultra-thin silver layer welding of belt processing technique, it is characterised in that it includes following step:Step one, prepares welding material strip (1), auxiliary welding material strip (2) and material web (3), and welding material strip (1) is silver alloy band, and auxiliary welding material strip (2) and material web (3) are copper alloy belt；Step 2, carries out method hot rolling by auxiliary welding material strip (2) with welding material strip (1), makes annealing treatment again, make silver-copper composite strip (4) after method hot rolling；Step 3, carries out point bar by banding machine to silver-copper composite strip (4) and processes, obtain the size being actually needed；Step 4, is placed on the surface of material web (3) by silver-copper composite strip (4) good for point bar, and auxiliary welding material strip (2) is connected with material web (3), and positions；Step 5, by thermal compression welding device, silver-copper composite strip (4) and material web (3) are carried out soldering, the contact surface between auxiliary welding material strip (2) and material web (3) is made to melt, when auxiliary welding material strip (2) melt completely and with material web (3) melt after liquid mixes, welding material strip (1) then welds together with material web (3) completely, obtains finished product；Step 6, packaging warehouse-in.
- Ultra-thin silver layer welding of belt processing technique the most according to claim 1, it is characterised in that: the thickness of described welding material strip (1) is 0.02mm ~ 0.03mm.
- Ultra-thin silver layer welding of belt processing technique the most according to claim 1, it is characterised in that: auxiliary welding material strip (2) carries out method hot rolling with welding material strip (1), and it includes following step:A. butt welding splicing band (1) and auxiliary welding material strip (2) are carried out, and remove greasy dirt and oxide；Again cleaned welding material strip (1) and auxiliary welding material strip (2) are put into hot-rolling mill and carry out rolling compound, make semi-finished product silver-copper composite strip (4).
- Ultra-thin silver layer welding of belt processing technique the most according to claim 3, it is characterised in that: making annealing treatment after method hot rolling, it includes following step again:A. being annealed by semi-finished product silver-copper composite strip (4), annealing temperature 400 DEG C ~ 600 DEG C, the time is 0.2h ~ 1h；Silver-copper composite strip (4) being put into finishing mill the most again and carries out finished product rolling, re-annealing processes；C. finished product silver-copper composite strip (4) is prepared.
- Ultra-thin silver layer welding of belt processing technique the most according to claim 3, it is characterised in that: the heating-up temperature of method hot rolling is 300 DEG C ~ 800 DEG C.
- Ultra-thin silver layer welding of belt processing technique the most according to claim 4, it is characterised in that: annealing temperature 500 DEG C, the time is 0.51h.
- Ultra-thin silver layer welding of belt processing technique the most according to claim 1, it is characterized in that: soldering, by thermal compression welding device, the contact surface between silver-copper composite strip (4) and material web (3) is melted, thermal compression welding device is motor roller, hot pressing is carried out by motor pair of rollers silver-copper composite strip (4), electric energy is converted to heat energy, its temperature is 600 DEG C ~ 1100 DEG C, auxiliary welding material strip (2) melt completely and with material web (3) melt after liquid mixes, welding material strip (1) then combines with material web (3) completely, obtains finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585154.1A CN104289876B (en) | 2014-10-28 | 2014-10-28 | Ultra-thin silver layer welding of belt processing technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585154.1A CN104289876B (en) | 2014-10-28 | 2014-10-28 | Ultra-thin silver layer welding of belt processing technique |
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| Publication Number | Publication Date |
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| CN104289876A CN104289876A (en) | 2015-01-21 |
| CN104289876B true CN104289876B (en) | 2016-12-07 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1564713A1 (en) * | 1966-09-20 | 1970-10-22 | Siemens Ag | Multi-layer sintered contact body |
| DE2147460B2 (en) * | 1971-09-23 | 1973-07-19 | PROCESS FOR MANUFACTURING SOLDERABLE SILVER-CADMIUM OXIDE MATERIALS BY INTERNAL OXIDATION OF SILVER-CADMIUM ALLOYS | |
| JP2004296130A (en) * | 2003-03-25 | 2004-10-21 | Matsushita Electric Ind Co Ltd | Electrical contact and thermal protector using the same |
| CN100437857C (en) * | 2006-11-24 | 2008-11-26 | 林羽锦 | Machining technique of silver/copper double composite strip material |
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