CN106695172A - Special silver brazing filler metal for large-power traction engine motor and production process thereof - Google Patents
Special silver brazing filler metal for large-power traction engine motor and production process thereof Download PDFInfo
- Publication number
- CN106695172A CN106695172A CN201710129223.1A CN201710129223A CN106695172A CN 106695172 A CN106695172 A CN 106695172A CN 201710129223 A CN201710129223 A CN 201710129223A CN 106695172 A CN106695172 A CN 106695172A
- Authority
- CN
- China
- Prior art keywords
- power traction
- filler metal
- brazing filler
- high power
- silver brazing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3006—Ag as the principal constituent
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses special silver brazing filler metal for a large-power traction engine motor and a production process thereof. The special silver brazing filler metal for the large-power traction engine motor comprises, by mass percentage, 54.0-56.0% of Ag, 21.0-23.0% of Cu, 15.0-19.0% of Zn, 4.0-5.0% of Sn and 1.0-2.0% of In. The solidus temperature of the silver brazing filler metal is 600 DEG C, the liquidus temperature of the silver brazing filler metal is 635 DEG C, and the technical standards of currently common BAg56CuZnSn silver brazing filler metal for the large-power traction engine motor are met. The In component is added, so that the silver brazing filler metal with better flowability, wettability and welding effect is obtained, and the silver brazing filler metal has good application prospects on the aspect of welding of the large-power traction engine motor.
Description
Technical field
The present invention relates to welding material of metal field, and in particular to a kind of special silver solder of High power Traction locomotive and its life
Production. art.
Background technology
With China's economic development, the demand of High power Traction locomotive and carrying for quality for traffic production field
Height, motor solder technology is particularly significant for motor safety, exploitation more the high-quality solder for meeting national standard easy to use into
It is the important research direction of this area.
High power Traction locomotive engine solder technology requirement it is very high, High-power Asynchronous Traction Motor in operation electric load with
Thermic load is very high, and running speed is quickly, braking very frequently, distortion power, electricity that the welding position of motor is changed repeatedly
The superposition of magnetic force, centrifugal force, thermal stress etc., it is easy to crack conditions occur, causes major quality accident.Welded meeting
While intensity, welding temperature is reduced to ensure strength of parent after welding, welding material would generally be relatively low using fusing point
BAg56CuZnSn silver solders, but requirement of this solder to welding conditions such as welding temperature uniformities is harsher, therefore be directed to
Kept at relatively high temperatures after High power Traction locomotive engine end ring welding under the requirement of higher-strength, develop special silver solder.
The content of the invention
The purpose of the present invention, the characteristics of aiming at High power Traction locomotive engine, develop a kind of special silver solder and its
Production technology.
The object of the present invention is achieved like this：
The present invention provides a kind of special silver solder of High power Traction locomotive engine includes following components and weight/mass percentage composition
Ag54.0~56.0%, Cu21.0~23.0%, Zn15.0~19.0%, Sn4.0~5.0%, In1.0~2.0%.
The preferred scheme that the present invention also provides the special silver solder of High power Traction locomotive engine includes following components and quality
Percentage composition Ag55%, Cu22%, Zn17%, Sn4.5%, In1.5%.
The present invention also provides a kind of production technology of the special silver solder of High power Traction locomotive engine, comprises the following steps：
(1) smelting furnace that silver, copper, zinc, tin, indium are put into Medium frequency induction control is carried out into melting, is filled after being completely melt
Divide stirring, 850 DEG C of smelting temperature；
(2) except removing dross, sheet material continuous casting, 6 × 60mm of sectional dimension, pulling rate 300mm/min are carried out；
(3) sheet material of step (2) is repeatedly rolled by flat roll mill, is rolled to the wire rod of diameter 2-3mm；
(4) wire rod obtained by step (3) is carried out into punching press, punching shaping on punch press；
(5) product that step (4) is obtained cleaned, polished, removed surface and oil contaminant and oxide layer.
Step (3) also includes that annealing is grasped in the production technology of the above-mentioned special silver solder of High power Traction locomotive engine
Make, annealing temperature is 600 DEG C.
The special silver solder of High power Traction locomotive engine that the present invention is provided is relative to the BAg56CuZn prickers in prior art
For material, with the low feature of welding temperature, the end ring and sliver part for being particularly well-suited to High power Traction locomotive engine are welded.
Specific embodiment
Below in conjunction with embodiment, the invention will be further described.
Realize that the production technology of this patent provides as follows explanation：
The raw material of the embodiment of the present invention uses commercially available silver, cathode copper, metallic zinc, metallic tin, indium metal, matches somebody with somebody on demand
Than the smelting furnace controlled using Medium frequency induction carries out melting, and metal is sufficiently stirred for after being completely melt, mixes each component equal
It is even, the melt of forming component uniformity.Surface scum is removed, continuous casting is carried out, sheet material blank strip is made, then by flat roll mill
Repeatedly rolled, and carry out eliminating processing hardening annealing when needed, carried out on the punch press of customization after rolling required thickness
It is punched into required specification, is finally polished, that is, obtains required solder.
Embodiment 1：
According to the Ag that product component obtained in production technology is 56.0%, 23.0% Cu, 16.0% Zn, 1.0%
In, 4.0% Sn.Its solidus temperature of silver solder that mentioned component proportioning is obtained is 600 DEG C, and liquidus temperature is 635 DEG C, is made
Gas brazing mode is used, coordinates brazing flux (can not use brazing flux during for red copper soldering), pricker when soldering mother metal is following combination
Seam intensity is shown in data in bracket：Red copper-brass (σ b=210 ± 25MPa, τ=200 ± 30MPa), copper alloy-copper alloy (σ b
=260 ± 25MPa, τ=230 ± 30MPa), copper alloy-mild steel (σ b=330 ± 25MPa, τ=325 ± 30MPa), with
BAg56CuZn, solder coordinates soldering when scaling powder soldering red copper-brass, copper alloy-copper alloy, copper alloy-mild steel
Joint mechanical property is suitable.
Embodiment 2：
According to the Ag that product component obtained in production technology is 55.0%, 22.0% Cu, 17.0% Zn, 1.5%
In, 4.5% Sn.Its solidus temperature of silver solder that mentioned component proportioning is obtained is 610 DEG C, and liquidus temperature is 640 DEG C, is made
Gas brazing mode is used, coordinates brazing flux (can not use brazing flux during for red copper soldering), pricker when soldering mother metal is following combination
Seam intensity is shown in data in bracket：Red copper-brass (σ b=210 ± 25MPa, τ=200 ± 30MPa), copper alloy-copper alloy (σ b
=260 ± 25MPa, τ=230 ± 30MPa), copper alloy-mild steel (σ b=330 ± 25MPa, τ=325 ± 30MPa), with
BAg56CuZn, solder coordinates soldering when scaling powder soldering red copper-brass, copper alloy-copper alloy, copper alloy-mild steel
Joint mechanical property is suitable.
Embodiment 3：
According to the Ag that product component obtained in production technology is 54.0%, 21.0% Cu, 18.0% Zn, 2.0%
In, 5.0% Sn.Its solidus temperature of silver solder that mentioned component proportioning is obtained is 590 DEG C, and liquidus temperature is 630 DEG C, is made
Gas brazing mode is used, coordinates brazing flux (can not use brazing flux during for red copper soldering), pricker when soldering mother metal is following combination
Seam intensity is shown in data in bracket：Red copper-brass (σ b=210 ± 25MPa, τ=200 ± 30MPa), copper alloy-copper alloy (σ b
=260 ± 25MPa, τ=230 ± 30MPa), copper alloy-mild steel (σ b=330 ± 25MPa, τ=325 ± 30MPa), with
BAg56CuZn, solder coordinates soldering when scaling powder soldering red copper-brass, copper alloy-copper alloy, copper alloy-mild steel
Joint mechanical property is suitable.
The special silver solder of High power Traction locomotive engine that the present invention is provided is relative to the BAg56CuZn prickers in prior art
For material, it spreads under identical brazing temperature, and speed, area are larger, and secondly, with mother metal associativity more preferably, energy is very well
Ground wetting mother metal, penetrates into the contact surface and adhesion in gap, increase and mother metal, with more preferable mobility and wetability；And
Because the relatively low therefore required welding temperature of fusing point itself is relatively low, the deformation extent and post-weld stress of mother metal are reduced.
End ring the present invention is especially suitable for High power Traction locomotive engine is welded with sliver part.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (4)
1. a kind of special silver solder of High power Traction locomotive engine, it is characterised in that including following components and weight/mass percentage composition
Ag54.0~56.0%, Cu21.0~23.0%, Zn15.0~19.0%, Sn4.0~5.0%, In1.0~2.0%.
2. a kind of special silver solder of High power Traction locomotive engine as claimed in claim 1, it is characterised in that including with the following group
Divide and weight/mass percentage composition Ag55%, Cu22%, Zn17%, Sn4.5%, In1.5%.
3. a kind of production technology of the special silver solder of High power Traction locomotive engine as claimed in claim 1, it is characterised in that
Comprise the following steps：
(1) smelting furnace that silver, copper, zinc, tin, indium are put into Medium frequency induction control is carried out into melting, is fully stirred after being completely melt
Mix, 850 DEG C of smelting temperature；
(2) except removing dross, sheet material continuous casting, 6 × 60mm of sectional dimension, pulling rate 300mm/min are carried out；
(3) sheet material of step (2) is repeatedly rolled by flat roll mill, is rolled to the wire rod of diameter 2-3mm；
(4) wire rod obtained by step (3) is carried out into punching press, punching shaping on punch press；
(5) product that step (4) is obtained cleaned, polished, removed surface and oil contaminant and oxide layer.
4. a kind of production technology of the special silver solder of High power Traction locomotive engine as claimed in claim 3, its feature exists, institute
Stating step (3) also includes annealing operation, and annealing temperature is 600 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129223.1A CN106695172A (en) | 2017-03-06 | 2017-03-06 | Special silver brazing filler metal for large-power traction engine motor and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129223.1A CN106695172A (en) | 2017-03-06 | 2017-03-06 | Special silver brazing filler metal for large-power traction engine motor and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106695172A true CN106695172A (en) | 2017-05-24 |
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ID=58917926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129223.1A Pending CN106695172A (en) | 2017-03-06 | 2017-03-06 | Special silver brazing filler metal for large-power traction engine motor and production process thereof |
Country Status (1)
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| CN (1) | CN106695172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255716A (en) * | 2022-08-26 | 2022-11-01 | 郑州机械研究所有限公司 | Solder alloy, silver ornament solder, and preparation method and application thereof |
-
2017
- 2017-03-06 CN CN201710129223.1A patent/CN106695172A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255716A (en) * | 2022-08-26 | 2022-11-01 | 郑州机械研究所有限公司 | Solder alloy, silver ornament solder, and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |