CN106938374A - A kind of special silver solder of EMUs electric machine end ring soldering and its production technology - Google Patents
A kind of special silver solder of EMUs electric machine end ring soldering and its production technology Download PDFInfo
- Publication number
- CN106938374A CN106938374A CN201710128370.7A CN201710128370A CN106938374A CN 106938374 A CN106938374 A CN 106938374A CN 201710128370 A CN201710128370 A CN 201710128370A CN 106938374 A CN106938374 A CN 106938374A
- Authority
- CN
- China
- Prior art keywords
- electric machine
- end ring
- machine end
- silver solder
- emus
- 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.)
- Pending
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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)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of special solder of EMUs electric machine end ring soldering, its component includes Ag48.0~50.0%, Cu31.0~33.0%, Zn16.0~18.0%, In1.5~2.0%, Ce0.1~0.3% by mass percentage.The silver solder solidus temperature that the present invention is obtained is 675 DEG C, liquidus temperature is 760 DEG C, meet the technical standard of the conventional BAg50CuZn silver solders of current carrying EMUs traction locomotive motor, the present invention reduces the fusing point of solder by adding In components, trace rare-earth Ce components are added simultaneously has obtained that there is higher intensity, the more preferable silver solder of welding effect, has good application prospect in terms of EMUs electric machine end ring soldering.
Description
Technical field
The present invention relates to welding material of metal field, and in particular to a kind of special silver solder of EMUs electric machine end ring soldering.
Background technology
With China's economic development, the demand of carrying EMUs locomotive and carrying for quality for traffic production field
Height, motor welding technique is particularly significant for motor safety, exploitation more the high-quality solder easy to use for meeting national standard into
For the important research direction of this area.
Carrying EMUs traction electric machine end ring welding technical requirements are more taller than freight locomotive, and carrying EMUs motor is in fortune
Electric load and thermic load are very high in row, and running speed is more quickly, and very frequently, the welding position of motor is become repeatedly for braking
The superposition of distortion power, electromagnetic force, centrifugal force, the thermal stress of change etc., it is easy to crack conditions occur, causes major quality thing
Therefore, due to being carrying locomotive, more to consider security.Therefore electric machine end ring welding is of a relatively high using fusion temperature
BAg50CuZn silver solders, to improve operating temperature.But requirement of this solder to welding conditions such as welding temperature uniformities is more
Harshness, thus it is as far as possible low for the welding temperature of carrying EMUs traction locomotive electric machine end ring, but after welding in higher temperature
Under the requirement of lower holding higher-strength, special silver solder is developed, while weld strength is met, welding temperature is reduced.
The content of the invention
The purpose of the present invention, the characteristics of aiming at carrying EMUs traction locomotive motor, develops a kind of special silver solder.
The object of the present invention is achieved like this：
The present invention, which provides a kind of special silver solder of EMUs electric machine end ring soldering, includes following components and weight/mass percentage composition
Ag48.0~50.0%, Cu31.0~33.0%, Zn16.0~18.0%, In1.5~2.0%, Ce0.1~0.3%, above group
/ and be 100%.
The present invention also provide a kind of preferred scheme of the special silver solder of EMUs electric machine end ring soldering including following components and
The Ag49.0% of weight/mass percentage composition, Cu32.5%, Zn16.5%, In1.9%, Ce0.1%.
The present invention also provides a kind of production technology of the special silver solder of EMUs electric machine end ring soldering, comprises the following steps：
A kind of production technology of the special silver solder of EMUs electric machine end ring soldering comprises the following steps：
(1) smelting furnace that silver, copper, zinc, cerium, indium are put into Medium frequency induction control carries out melting, is stirred after being completely melt
Mix uniform, smelting temperature is 950 DEG C；
(2) removing dross is removed, sheet material continuous casting, 6 × 60mm of sectional dimension, pulling rate 300mm/min is carried out；
(3) sheet material prepared by step (2) is repeatedly rolled by flat roll mill, is rolled 2~3mm of diameter；
(4) product of step (3) is subjected to punching press, punch forming on punch press；
(5) product of step (4) is cleaned, polished, removed surface and oil contaminant and can be prepared by the present invention's with oxide layer
Silver solder.
Step (3) also includes eliminating in a kind of production technology of above-mentioned special silver solder of EMUs electric machine end ring soldering
Process the annealing operation of hardening, 600 DEG C of annealing temperature.
Its solidus temperature of the silver solder that the present invention is provided is 675 DEG C, and liquidus temperature (considers measure for 760 DEG C
Error), (690~775 DEG C) lower than original solder BAg50CuZn fusing points.The technical scheme that the present invention is provided is relative to existing skill
For BAg50CuZn solders in art, with welding temperature it is low the characteristics of, be particularly suitable for use in carrying EMUs traction locomotive motor
End ring and sliver part weld.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
The raw material of following examples be commercially available silver, cathode copper, metallic zinc, indium metal, metallic cerium, following examples
Mix proportion scheme, is prepared using following steps：
(1) smelting furnace that silver, copper, zinc, cerium, indium are put into Medium frequency induction control carries out melting, is stirred after being completely melt
Mix uniform, smelting temperature is 950 DEG C；
(2) removing dross is removed, sheet material continuous casting, 6 × 60mm of sectional dimension, pulling rate 300mm/min is carried out；
(3) sheet material prepared by step (2) is repeatedly rolled by flat roll mill and is carried out annealing operation, annealing temperature
600 DEG C, it is rolled to diameter 3mm；
(4) product of step (3) is subjected to punching press, punch forming on punch press；
(5) product of step (4) is cleaned, polished, removed surface and oil contaminant and can be prepared by embodiment institute with oxide layer
The silver solder needed.
Embodiment 1：
Brazing filler metal compositions useful is 48.1% Ag, 32.0% Cu, 18.0% Zn, 1.6% In, 0.3% Ce.It is above-mentioned into
The silver solder that distribution ratio is obtained uses high-frequency induction brazing mode, coordinates brazing flux, and brazed seam when soldering mother metal is following combination is strong
Degree is shown in data in bracket：Red copper-brass (σ b=250 ± 25MPa, τ=220 ± 30MPa), copper alloy-copper alloy (σ b=
280 ± 25MPa, τ=250 ± 30MPa), copper alloy-mild steel (σ b=380 ± 25MPa, τ=350 ± 30MPa), with
BAg50CuZn solders coordinate soldering when scaling powder soldering red copper-brass, copper alloy-copper alloy, copper alloy-mild steel to connect
Head mechanical property is good.
Embodiment 2：
Brazing filler metal compositions useful is 50.0% Ag, 31.0% Cu, 17.0% Zn, 1.8% In, 0.2% Ce.It is above-mentioned into
The silver solder that distribution ratio is obtained uses high-frequency induction brazing mode, coordinates brazing flux, and brazed seam when soldering mother metal is following combination is strong
Degree is shown in data in bracket：Red copper-brass (σ b=250 ± 25MPa, τ=220 ± 30MPa), copper alloy-copper alloy (σ b=
280 ± 25MPa, τ=250 ± 30MPa), copper alloy-mild steel (σ b=380 ± 25MPa, τ=350 ± 30MPa), with
BAg50CuZn solders coordinate soldering when scaling powder soldering red copper-brass, copper alloy-copper alloy, copper alloy-mild steel to connect
Head mechanical property is good, and mobility is more preferable than embodiment 1.
Embodiment 3：
Brazing filler metal compositions useful is 49.0% Ag, 32.5% Cu, 16.5% Zn, 1.9% In, 0.1% Ce.It is above-mentioned into
The silver solder that distribution ratio is obtained uses high-frequency induction brazing mode, coordinates brazing flux, and brazed seam when soldering mother metal is following combination is strong
Degree is shown in data in bracket：Red copper-brass (σ b=260 ± 25MPa, τ=240 ± 30MPa), copper alloy-copper alloy (σ b=
300 ± 25MPa, τ=265 ± 30MPa), copper alloy-mild steel (σ b=400 ± 25MPa, τ=370 ± 30MPa), with
BAg50CuZn solders coordinate soldering when scaling powder soldering red copper-brass, copper alloy-copper alloy, copper alloy-mild steel to connect
Head mechanical property is good, and mobility is similar to Example 2.
Learnt by the embodiment of above component, the reduction of In components addition and fusing point is inversely proportional, Ce components addition with
Intensity is into just.Than the technical scheme of the invention provided for the BAg50CuZn solders in prior art, it is in identical
Speed, area are spread under brazing temperature larger, secondly, with mother metal associativity more preferably, mother metal can be soaked well, between infiltration
Gap, increase and the contact surface and adhesion of mother metal, with more preferable mobility and wetability；And because fusing point itself is relatively low,
Therefore the welding temperature needed for is relatively low, and reduces the deformation extent and post-weld stress of mother metal.Carrying is particularly suitable for use in move
The end ring of car group traction locomotive motor 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 EMUs electric machine end ring soldering, it is characterised in that including following components and weight/mass percentage composition：
Ag48.0~50.0%, Cu31.0~33.0%, Zn16.0~18.0%, In1.5~2.0%, Ce0.1~0.3%, above group
/ and be 100%.
2. a kind of special silver solder of EMUs electric machine end ring soldering as claimed in claim 1, it is characterised in that including with the following group
Divide and weight/mass percentage composition：Ag49.0%, Cu32.5%, Zn16.5%, In1.9%, Ce0.1%.
3. a kind of production technology of the special silver solder of EMUs electric machine end ring soldering as claimed in claim 1, it is characterised in that
Comprise the following steps：
(1) smelting furnace that silver, copper, zinc, cerium, indium are put into Medium frequency induction control carries out melting, is stirred after being completely melt
Even, smelting temperature is 950 DEG C；
(2) removing dross is removed, sheet material continuous casting, 6 × 60mm of sectional dimension, pulling rate 300mm/min is carried out；
(3) sheet material prepared by step (2) is repeatedly rolled by flat roll mill, is rolled to 2~3mm of diameter；
(4) product of step (3) is subjected to punching press, punch forming on punch press；
(5) product of step (4) is cleaned, polished, removed surface and oil contaminant and oxide layer.
4. a kind of production technology of the special silver solder of EMUs electric machine end ring soldering as claimed in claim 3, it is characterised in that
The step (3) also includes annealing operation, 600 DEG C of annealing temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128370.7A CN106938374A (en) | 2017-03-06 | 2017-03-06 | A kind of special silver solder of EMUs electric machine end ring soldering and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128370.7A CN106938374A (en) | 2017-03-06 | 2017-03-06 | A kind of special silver solder of EMUs electric machine end ring soldering and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106938374A true CN106938374A (en) | 2017-07-11 |
Family
ID=59468718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710128370.7A Pending CN106938374A (en) | 2017-03-06 | 2017-03-06 | A kind of special silver solder of EMUs electric machine end ring soldering and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106938374A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175785A (en) * | 2018-10-31 | 2019-01-11 | 无锡日月合金材料有限公司 | A kind of vacuum seal solder alloy |
| 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 CN201710128370.7A patent/CN106938374A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175785A (en) * | 2018-10-31 | 2019-01-11 | 无锡日月合金材料有限公司 | A kind of vacuum seal solder alloy |
| 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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| 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: 20170711 |