CN116748328A - Production method of aluminum wire of power transformer - Google Patents
Production method of aluminum wire of power transformer Download PDFInfo
- Publication number
- CN116748328A CN116748328A CN202311050597.6A CN202311050597A CN116748328A CN 116748328 A CN116748328 A CN 116748328A CN 202311050597 A CN202311050597 A CN 202311050597A CN 116748328 A CN116748328 A CN 116748328A
- Authority
- CN
- China
- Prior art keywords
- aluminum
- ingots
- wire
- temperature
- power transformer
- 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
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 96
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000004321 preservation Methods 0.000 claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 32
- 239000010949 copper Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 17
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 16
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 16
- 239000011777 magnesium Substances 0.000 claims abstract description 16
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 16
- 239000011572 manganese Substances 0.000 claims abstract description 16
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000004381 surface treatment Methods 0.000 claims abstract description 4
- 238000005491 wire drawing Methods 0.000 claims description 17
- 238000007670 refining Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001192 hot extrusion Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000003837 high-temperature calcination Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000011162 core material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a production method of an aluminum wire of a power transformer, which comprises the following steps of S1: a preparation stage; s11: firstly, aluminum ingots, manganese ingots, iron ingots and magnesium ingots which are mainly made of more than 99.70 of raw materials are put in, impurity removal treatment is carried out to ensure that the impurity rate is less than or equal to 0.02 percent, and then the aluminum ingots, the manganese ingots, the iron ingots and the magnesium ingots are put in a heat preservation furnace; s12: carrying out surface treatment on the copper strip, and treating the copper strip in an inert gas space; keeping the temperature for 2-4h, naturally cooling to 28 ℃, and cooling the temperature of the holding furnace to room temperature to obtain the alloy raw material. According to the production method of the aluminum wire of the power transformer, the high-temperature calcination is divided into two stages, the heating speed and the cooling speed are controlled, the temperature is kept for a period of time, the toughness of the obtained alloy is higher, and when the electric wire is used, an aluminum ingot, a manganese ingot, an iron ingot, a magnesium ingot and a copper strip are mixed, so that the electric wire of the power transformer after molding is guaranteed to have certain toughness under the condition of good electric conductivity.
Description
Technical Field
The invention relates to the technical field of transformer aluminum wire production, in particular to a method for producing an electric power transformer aluminum wire.
Background
Generally, a bimetal wire is made of a metal material as a core material, and another metal is coated on the outer layer of the core material by electroplating or hot dip plating, so that a coil to be used can be manufactured, and the resistance of the wire can be increased, for example, when an aluminum wire of a power transformer is manufactured, but there are some disadvantages such as:
in combination with the aluminum wire forming process disclosed as CN105562454A, the copper-clad aluminum wire obtained by the forming process disclosed by the invention has good copper-aluminum interface combination, improves the conductivity of the copper-clad aluminum wire, and reduces the energy loss in the transmission process; according to the shape and the size of the extrusion die, prefabricating copper as a cladding material into a copper pipe with uniform wall thickness, wherein the shape of the inner surface of the copper pipe is as follows: the copper pipe is a common copper pipe, the inner wall of which is provided with rectangular convex ribs, the cross section of the copper pipe is a netlike copper pipe with fan-shaped holes, the inner wall of which is provided with dovetail grooves or T-shaped grooves, and the inner wall of which is provided with T-shaped grooves; copper pipe with spiral convex rib on the inner wall;
when the traditional power transformer aluminum wire is produced, the aluminum wire has more impurity content and poor toughness effect, and the phenomenon of breakage easily occurs in the use process of the power transformer, and meanwhile, the strength residual rate of the power transformer aluminum wire does not reach the optimal state.
We have therefore proposed a method of producing power transformer aluminium wire in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a production method of an aluminum wire of a power transformer, which aims to solve the problems that the aluminum wire has more impurity content and poor toughness effect when the aluminum wire of the power transformer is produced in the prior art, the aluminum wire is easy to break in the use process of the power transformer, and the strength residual rate does not reach the optimal state when the aluminum wire is produced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the production method of the aluminum wire of the power transformer comprises the following steps:
s1: a preparation stage;
s11: firstly, aluminum ingots, manganese ingots, iron ingots and magnesium ingots which are mainly raw materials AL99.70 are subjected to impurity removal treatment, the impurity rate of the aluminum ingots is ensured to be less than or equal to 0.02 percent, and then the aluminum ingots, the manganese ingots, the iron ingots and the magnesium ingots are put into a heat preservation furnace;
s12: carrying out surface treatment on the copper strip, wherein the copper strip is subjected to treatment in an inert gas space, and the treated copper strip is temporarily free from air contact;
s2: smelting:
s21: putting the aluminum ingot, the manganese ingot and the iron ingot of which the impurity is removed from the raw material AL99.70 in the step S1 into a heat preservation furnace, heating the heat preservation furnace to 450-600 ℃, keeping the temperature for 2-4h, naturally cooling to 28 ℃, heating the heat preservation furnace to 700-850 ℃ and keeping the temperature for 1.5-2.5h, and cooling the heat preservation furnace to room temperature to obtain alloy raw materials;
s22: adding magnesium ingots into the obtained alloy raw materials, heating the temperature of a heat preservation furnace to 652-700 ℃, keeping the temperature for 1-2h, naturally cooling to 28 ℃, heating the temperature of the heat preservation furnace to 700-850 ℃, keeping the temperature for 1.5-2.5h, cooling the temperature of the heat preservation furnace to room temperature, and discharging;
s3: casting and rolling:
sequentially carrying out continuous rolling, online quenching, aluminum rod wire winding, hot extrusion of aluminum rods and timely treatment in the working process on the aluminum alloy ingot blank which is discharged from the furnace;
s4: refining:
during the online quenching process, a refining agent is added, and the temperature of the furnace is heated to 450-600 ℃;
s5: copper strip treatment:
immediately entering a forming table, forming a fine tube shape around the aluminum rod by the brushed copper belt, forming a copper pipe with an inner diameter larger than the outer diameter of the aluminum wire, leaving a gap between copper and aluminum, drawing the clad welded copper-clad aluminum wire with a 30% -90% reduction ratio, and performing heating treatment;
s6: and (3) wiredrawing treatment:
and (3) reducing the wire into hard aluminum wires through a series of dies of a reducing device with a single wire drawing machine and a continuous wire drawing machine, and then carrying out solution treatment and wire drawing treatment on the rough rolled wires to obtain the diameters of the aluminum wires for reducing soft state wires, thereby obtaining the finished product of the aluminum wires of the power transformer.
Preferably, the inert gas is one of nitrogen set-up or carbon dioxide.
Preferably, the weight ratio of the refining agent to the mixed aluminum liquid is 1:500, and the refining time is longer than 30min.
Preferably, during wire drawing, a high-speed aluminum drawing machine is adopted to draw an aluminum alloy rod into a power transformer aluminum wire with a required diameter, and a plurality of dies are adopted by the high-speed aluminum drawing machine, wherein the wire drawing speed is 10-16 m/s;
preferably, the heat preservation furnace adopts a tilting heat preservation furnace, the aluminum liquid tilting angle in the furnace is 20-25 degrees, and the tilting angle of the heat preservation furnace body is larger than the aluminum liquid tilting angle;
preferably, the impurity removal treatment of the aluminum ingot, the manganese ingot, the iron ingot and the magnesium ingot which are mainly raw material AL99.70 is usually polishing treatment.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the production method of the aluminum wire of the power transformer, the high-temperature calcination is divided into two stages, the heating speed and the cooling speed are controlled, the temperature is kept for a period of time, the toughness of the obtained alloy is higher, and when the alloy is used, an aluminum ingot, a manganese ingot, an iron ingot, a magnesium ingot and a copper strip are mixed, so that the formed aluminum wire of the power transformer has certain toughness under the condition of good electric conductivity;
2. according to the production method of the aluminum wire of the power transformer, the refining agent is mixed according to the proportion, the proportion of the refining agent to the mixed alloy aluminum liquid is guaranteed to be 1:500, the set refining time is longer than 30 minutes, the impurity content of the refined aluminum liquid is less, and the prepared aluminum wire of the power transformer is better in practical use effect.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a technical scheme that: the production method of the aluminum wire of the power transformer comprises the following steps:
s1: a preparation stage;
s11: firstly, aluminum ingots, manganese ingots, iron ingots and magnesium ingots which are mainly raw materials AL99.70 are subjected to impurity removal treatment, the impurity rate of the aluminum ingots is ensured to be less than or equal to 0.02 percent, and then the aluminum ingots, the manganese ingots, the iron ingots and the magnesium ingots are put into a heat preservation furnace;
s12: carrying out surface treatment on the copper strip, wherein the copper strip is subjected to treatment in an inert gas space, and the treated copper strip is temporarily free from air contact;
s2: smelting:
s21: putting aluminum ingots, manganese ingots and iron ingots of the raw material AL99.70 subjected to impurity removal in the step S1 into a heat preservation furnace, heating the heat preservation furnace to 450-600 ℃, keeping the temperature for 2-4h, naturally cooling to 28 ℃, heating the heat preservation furnace to 700-850 ℃, keeping the temperature for 1.5-2.5h, and cooling the heat preservation furnace to room temperature to obtain alloy raw materials;
s22: adding magnesium ingots into the obtained alloy raw materials, heating the temperature of a heat preservation furnace to 652-700 ℃, keeping the temperature for 1-2h, naturally cooling to 28 ℃, heating the temperature of the heat preservation furnace to 700-850 ℃, keeping the temperature for 1.5-2.5h, cooling the temperature of the heat preservation furnace to room temperature, and discharging;
s3: casting and rolling:
sequentially carrying out continuous rolling, online quenching, aluminum rod wire winding, hot extrusion of aluminum rods and timely treatment in the working process on the aluminum alloy ingot blank which is discharged from the furnace;
s4: refining:
during the online quenching process, a refining agent is added, and the temperature of the furnace is heated to 450-600 ℃;
s5: copper strip treatment:
immediately entering a forming table, forming a fine tube shape around the aluminum rod by the brushed copper belt, forming a copper pipe with an inner diameter larger than the outer diameter of the aluminum wire, leaving a gap between copper and aluminum, drawing the clad welded copper-clad aluminum wire with a 30% -90% reduction ratio, and performing heating treatment;
s6: and (3) wiredrawing treatment:
and (3) reducing the wire into hard aluminum wires through a series of dies of a reducing device with a single wire drawing machine and a continuous wire drawing machine, and then carrying out solution treatment and wire drawing treatment on the rough rolled wires to obtain the diameters of the aluminum wires for reducing soft state wires, thereby obtaining the finished product of the aluminum wires of the power transformer.
The inert gas is one of nitrogen setting or carbon dioxide.
The weight ratio of the refining agent to the mixed aluminum liquid is 1:500, and the refining time is longer than 30min.
When the wire is drawn, a high-speed aluminum drawing machine is adopted to draw the aluminum alloy rod into a power transformer aluminum wire with a required diameter, the high-speed aluminum drawing machine adopts a plurality of dies, and the wire drawing speed is 10-16 m/s;
the heat preservation furnace adopts a tilting heat preservation furnace, the aluminum liquid tilting angle in the furnace is 20-25 degrees, and the tilting angle of the heat preservation furnace body is larger than the aluminum liquid tilting angle;
the impurity removal treatment of the aluminum ingot, the manganese ingot, the iron ingot and the magnesium ingot which are mainly raw materials AL99.70 is usually polishing treatment.
What has not been described in detail in this specification is prior art that is well known to those skilled in the art, and in the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like refer to an orientation or positional relationship merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The production method of the aluminum wire of the power transformer comprises the following steps of:
s1: a preparation stage;
s11: firstly, carrying out impurity removal treatment on aluminum ingots, manganese ingots, iron ingots and magnesium ingots which are mainly raw materials AL99.70 or more, ensuring that the impurity rate is less than or equal to 0.02 percent, and then putting the aluminum ingots, the manganese ingots, the iron ingots and the magnesium ingots into a heat preservation furnace;
s12: carrying out surface treatment on the copper strip, wherein the copper strip is subjected to treatment in an inert gas space, and the treated copper strip is temporarily free from air contact;
s2: smelting:
s21: putting the aluminum ingot, the manganese ingot and the iron ingot of which the impurity is removed from the raw material AL99.70 in the step S1 into a heat preservation furnace, heating the heat preservation furnace to 450-600 ℃, keeping the temperature for 2-4h, naturally cooling to 28 ℃, heating the heat preservation furnace to 700-850 ℃ and keeping the temperature for 1.5-2.5h, and cooling the heat preservation furnace to room temperature to obtain alloy raw materials;
s22: adding magnesium ingots into the obtained alloy raw materials, heating the temperature of a heat preservation furnace to 652-700 ℃, keeping the temperature for 1-2h, naturally cooling to 28 ℃, heating the temperature of the heat preservation furnace to 700-850 ℃, keeping the temperature for 1.5-2.5h, cooling the temperature of the heat preservation furnace to room temperature, and discharging;
s3: casting and rolling:
sequentially carrying out continuous rolling, online quenching, aluminum rod wire winding, hot extrusion of aluminum rods and timely treatment in the working process on the aluminum alloy ingot blank which is discharged from the furnace;
s4: refining:
during the online quenching process, a refining agent is added, and the temperature of the furnace is heated to 450-600 ℃;
s5: copper strip treatment:
immediately entering a forming table, forming a fine tube shape around the aluminum rod by the brushed copper belt, forming a copper pipe with an inner diameter larger than the outer diameter of the aluminum wire, leaving a gap between copper and aluminum, drawing the clad welded copper-clad aluminum wire with a 30% -90% reduction ratio, and performing heating treatment;
s6: and (3) wiredrawing treatment:
and (3) reducing the wire into hard aluminum wires through a series of dies of a reducing device with a single wire drawing machine and a continuous wire drawing machine, and then carrying out solution treatment and wire drawing treatment on the rough rolled wires to obtain the diameters of the aluminum wires for reducing soft state wires, thereby obtaining the finished product of the aluminum wires of the power transformer.
2. The method for producing the aluminum wire of the power transformer according to claim 1, wherein: the inert gas is one of nitrogen setting or carbon dioxide.
3. The method for producing the aluminum wire of the power transformer according to claim 1, wherein: the weight ratio of the refining agent to the mixed aluminum liquid is 1:500, and the refining time is longer than 30min.
4. The method for producing the aluminum wire of the power transformer according to claim 1, wherein: during wire drawing, a high-speed aluminum drawing machine is adopted to draw the aluminum alloy rod into a power transformer aluminum wire with a required diameter, a plurality of dies are adopted by the high-speed aluminum drawing machine, and the wire drawing speed is 10-16 m/s.
5. The method for producing the aluminum wire of the power transformer according to claim 1, wherein: the heat preservation furnace adopts a tilting heat preservation furnace, the aluminum liquid tilting angle in the furnace is 20-25 degrees, and the tilting angle of the heat preservation furnace body is larger than the aluminum liquid tilting angle.
6. The method for producing the aluminum wire of the power transformer according to claim 1, wherein: the impurity removal treatment of the aluminum ingot, the manganese ingot, the iron ingot and the magnesium ingot which are mainly raw materials AL99.70 is usually polishing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311050597.6A CN116748328A (en) | 2023-08-21 | 2023-08-21 | Production method of aluminum wire of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311050597.6A CN116748328A (en) | 2023-08-21 | 2023-08-21 | Production method of aluminum wire of power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116748328A true CN116748328A (en) | 2023-09-15 |
Family
ID=87957641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311050597.6A Pending CN116748328A (en) | 2023-08-21 | 2023-08-21 | Production method of aluminum wire of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116748328A (en) |
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2023
- 2023-08-21 CN CN202311050597.6A patent/CN116748328A/en active Pending
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