CN111768905A - Copper-clad aluminum enameled wire and processing technology thereof - Google Patents
Copper-clad aluminum enameled wire and processing technology thereof Download PDFInfo
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- 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
- B21C37/042—Manufacture of coated wire or bars
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- 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
- B21C37/045—Manufacture of wire or bars with particular section or properties
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- 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
- B21C37/047—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 of fine wires
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- 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
- H01B1/023—Alloys based on aluminium
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- 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
- H01B1/026—Alloys based on copper
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- H—ELECTRICITY
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0006—Apparatus or processes specially adapted for manufacturing conductors or cables for reducing the size of conductors or cables
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- H—ELECTRICITY
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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Abstract
The invention provides a copper-clad aluminum enameled wire which comprises a metal wire core, an insulating layer, a high temperature resistant layer, a stretch-proof layer and a lubricating layer, wherein the insulating layer wraps the circumferential surface of the metal wire core, the high temperature resistant layer covers the surface of the insulating layer, the stretch-proof layer is adhered to the surface of the high temperature resistant layer, the lubricating layer wraps the surface of the stretch-proof layer, the metal wire core consists of two parts, the surface layer of the metal wire core is made of metal copper, the inner core of the metal wire core is made of metal aluminum, and the cross-sectional area diameter of the metal wire core is 2 mm; the processing technology comprises the following steps of S1: drawing, namely drawing the metal wire core on a drawing machine to obtain a metal wire with the diameter of 0.5 mm-2 mm; s3: cleaning, wherein the use concentration ratio is 100: the 0.5 alcohol is used for cleaning the drawn metal wire, has the characteristics of high temperature resistance and tensile resistance, and is not easy to soften and age in a high-temperature environment.
Description
Technical Field
The invention relates to the technical field of enameled wires, in particular to a copper-clad aluminum enameled wire and a processing technology thereof.
Background
The enameled wire is the most representative product in electronic wire materials, the enameled wire is a main variety of winding wires and comprises a core wire and a paint layer coated on the outer side of the core wire, a bare wire is annealed and softened and then is painted and baked for multiple times, and the enameled wire has four properties of mechanical property, chemical property, electrical property and thermal property, the copper-clad aluminum enameled wire is a new electromagnetic wire which adopts copper-clad aluminum material as an inner conductor, the characteristics of the enameled wire are between copper and aluminum, and the advantages of excellent electrical conductivity of copper and light weight of aluminum are combined, so the enameled wire has wide application in transformers, high-frequency windings, micro motor rotor coils and various electromagnetic wires, but an insulating paint layer outside the existing common copper-clad aluminum enameled wire cannot resist high temperature and is easy to soften and age under a high-temperature environment, when the enameled wire is made into a small diameter, the tensile strength is not enough, the enameled wire is easy to be broken, and the shrinkage rates of different paint, when the enameled wire is in the tensile, the shrink range difference between the different lacquer layers can appear causing outer lacquer layer pulling inner lacquer layer, finally produces the pinhole of breaking, leads to destroying insulation, influences product quality.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide a copper-clad aluminum enameled wire and a processing technology thereof, which can effectively solve the problems in the background technology.
In order to achieve the above object, the present invention proposes: a copper-clad aluminum enameled wire comprises a metal wire core, an insulating layer, a high temperature resistant layer, a stretch-proof layer and a lubricating layer, wherein the insulating layer wraps the circumferential surface of the metal wire core, the surface of the insulating layer is covered with the high temperature resistant layer, the stretch-proof layer is adhered to the surface of the high temperature resistant layer, the lubricating layer wraps the surface of the stretch-proof layer, the metal wire core consists of two parts, the surface layer of the metal wire core is made of metal copper, the inner core of the metal wire core is made of metal aluminum, and the cross-sectional area diameter of the metal wire core is 2 mm;
as a preferred technical scheme of the invention: the insulating layer is a polyester-imide insulating paint coating layer.
As a preferred technical scheme of the invention: the high-temperature resistant layer is an inorganic silicon high-temperature resistant paint coating layer.
As a preferred technical scheme of the invention: the stretch-proof layer is a nylon leather film layer made of nylon.
As a preferred technical scheme of the invention: the lubricating layer contains 0.05% -0.1% of C25The hydrocarbon-based lubricating oil of (1).
As a preferred technical scheme of the invention: the thickness of the insulating layer is 0.02-0.04 mm, the thickness of the high temperature resistant layer is 0.05-0.07 mm, and the thickness of the tensile layer is 0.04-0.08 mm.
As a preferred technical scheme of the invention: an anti-oxidation protective layer is arranged between the metal wire core and the poly insulating layer, and the anti-oxidation layer is a tin layer.
The invention also provides a processing technology of the copper-clad aluminum enameled wire, which comprises the following steps:
s1: drawing, namely drawing the metal wire core on a drawing machine to obtain a metal wire with the diameter of 0.5 mm-2 mm;
s3: cleaning, wherein the use concentration ratio is 100: cleaning the drawn metal wire by 0.5 of alcohol to remove oil stains and particles attached to the metal wire;
s3: annealing, namely annealing the metal wire, wherein the annealing is carried out in three sections, and the temperatures of the three sections of annealing are respectively 600 +/-5 ℃, 595 +/-5 ℃ and 610 +/-5 ℃;
s4: painting, namely painting the annealed metal wire for four times from inside to outside in sequence, thereby forming an insulating layer, a high temperature resistant layer, a stretch-proof layer and a lubricating layer in sequence;
s5: baking, namely baking the metal wire coated with the paint at the temperature of 200 +/-5 ℃ to obtain the copper-clad aluminum metal wire;
s6: and (4) taking up and coiling, winding the obtained copper-clad aluminum metal wire on a wire coil, and then packaging the wire coil.
Compared with the prior art, the invention has the beneficial effects that:
1. the insulating layer made of the polyesterimide insulating varnish and the high-temperature-resistant layer made of the inorganic silicon high-temperature-resistant varnish are arranged, so that the prepared copper-clad aluminum enameled wire has the characteristic of high temperature resistance and is not easy to soften and age in a high-temperature environment;
2. the tensile-resistant layer made of nylon is arranged, so that the prepared copper-clad aluminum enameled wire has tensile breaking resistance;
3. the lubricating layer made of the hydrocarbon-based lubricating oil containing 0.05-0.1% of C25 can effectively reduce the abrasion of the prepared copper-clad aluminum enameled wire when the prepared copper-clad aluminum enameled wire is in contact with the outside, so that the prepared copper-clad aluminum enameled wire is more durable.
Drawings
Fig. 1 is a cross-sectional view of a copper-clad aluminum enameled wire according to the invention.
In the figure: 1 metal core, 2 insulating layers, 3 high temperature resistant layers, 4 tensile layers and 5 lubricating layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides the following technical solutions:
the first embodiment is as follows: a copper-clad aluminum enameled wire comprises a metal wire core 1, an insulating layer 2, a high-temperature-resistant layer 3, an anti-stretching layer 4 and a lubricating layer 5, wherein the insulating layer 2 is wrapped on the circumferential surface of the metal wire core 1, the high-temperature-resistant layer 3 covers the surface of the insulating layer 2, the anti-stretching layer 4 is bonded on the surface of the high-temperature-resistant layer 3, the lubricating layer 5 wraps the surface of the anti-stretching layer 4, the metal wire core 1 is composed of two parts, the surface layer of the metal wire core 1 is made of metal copper, and the metal wire is made of copperThe inner core of the core 1 is made of metal aluminum, the diameter of the cross section area of the metal wire core 1 is 2mm, the insulating layer 2 is a polyester imide insulating paint coating layer, the high temperature resistant layer 3 is an inorganic silicon high temperature resistant paint coating layer, the stretching resistant layer 4 is a nylon skin film layer made of nylon, and the lubricating layer 5 contains 0.05 percent of C25The thickness of the insulating layer 2 is 0.02mm, the thickness of the high temperature resistant layer 3 is 0.05mm, and the thickness of the tensile layer 4 is 0.04 mm.
A processing technology of a copper-clad aluminum enameled wire comprises the following steps:
s1: drawing, namely drawing the metal wire core on a drawing machine to obtain a metal wire with the diameter of 0.5 mm;
s3: cleaning, wherein the use concentration ratio is 100: cleaning the drawn metal wire by 0.5 of alcohol to remove oil stains and particles attached to the metal wire;
s3: annealing, namely annealing the metal wire, wherein the annealing is carried out in three sections, and the temperatures of the three sections of annealing are respectively 605 ℃, 600 ℃ and 615 ℃;
s4: painting, namely painting the annealed metal wire for four times from inside to outside in sequence to form an insulating layer 2, a high-temperature-resistant layer 3, a stretch-resistant layer 4 and a lubricating layer 5 in sequence;
s5: baking, namely baking the metal wire coated with the paint at the temperature of 205 ℃ to obtain the copper-clad aluminum metal wire after baking;
s6: and (4) taking up and coiling, winding the obtained copper-clad aluminum metal wire on a wire coil, and then packaging the wire coil.
Example two: the utility model provides a copper clad aluminum enameled wire, including metal sinle silk 1, the insulating layer 2, high temperature resistant layer 3, stretch-proofing layer 4 and lubricant film 5, the parcel has insulating layer 2 on metal sinle silk 1's the periphery, the surface covering of insulating layer 2 has high temperature resistant layer 3, the surface bonding of high temperature resistant layer 3 has stretch-proofing layer 4, the lubricant film 5 cladding is on stretch-proofing layer 4's surface, metal sinle silk 1 comprises two parts, metal sinle silk 1's top layer is made by metal copper, metal sinle silk 1's inner core is made by metal aluminium, metal sinle silk 1's cross-sectional area diameter is 2mm, insulating layer 2 is polyester imine insulating varnish coating, high temperature resistant layer 3 is inorganic silicon high temperature resistant varnish coating, stretch-proofing layer 3 is4 is nylon coating layer made of nylon, and the lubricating layer 5 contains 0.1% of C25The thickness of the insulating layer 2 is 0.04mm, the thickness of the high temperature resistant layer 3 is 0.07mm, and the thickness of the tensile resistant layer 4 is 0.08 mm.
A processing technology of a copper-clad aluminum enameled wire comprises the following steps:
s1: drawing, namely drawing the metal wire core on a drawing machine to draw a metal wire with the diameter of 2 mm;
s3: cleaning, wherein the use concentration ratio is 100: cleaning the drawn metal wire by 0.5 of alcohol to remove oil stains and particles attached to the metal wire;
s3: annealing, namely annealing the metal wire, wherein the annealing is carried out in three sections, and the temperatures of the three sections of annealing are 595 ℃, 590 ℃ and 605 ℃;
s4: painting, namely painting the annealed metal wire for four times from inside to outside in sequence to form an insulating layer 2, a high-temperature-resistant layer 3, a stretch-resistant layer 4 and a lubricating layer 5 in sequence;
s5: baking, namely baking the metal wire coated with the paint at the baking temperature of 195 ℃, and obtaining the copper-clad aluminum metal wire after baking;
s6: and (4) taking up and coiling, winding the obtained copper-clad aluminum metal wire on a wire coil, and then packaging the wire coil.
Example three: a copper-clad aluminum enameled wire comprises a metal wire core 1, an insulating layer 2, a high-temperature-resistant layer 3, an anti-stretching layer 4 and a lubricating layer 5, wherein the insulating layer 2 is wrapped on the circumferential surface of the metal wire core 1, the surface of the insulating layer 2 is covered with the high-temperature-resistant layer 3, the anti-stretching layer 4 is adhered to the surface of the high-temperature-resistant layer 3, the lubricating layer 5 is wrapped on the surface of the anti-stretching layer 4, the metal wire core 1 is composed of two parts, the surface layer of the metal wire core 1 is made of metal copper, an inner core of the metal wire core 1 is made of metal aluminum, the cross-sectional area diameter of the metal wire core 1 is 2mm, the insulating layer 2 is a polyester imide insulating paint coating layer, the high-temperature-resistant layer 3 is an inorganic silicon high-temperature-resistant paint coating layer25The thickness of the insulating layer 2 is 0.03mm, the thickness of the high temperature resistant layer 3 is 0.06mm, and the thickness of the anti-stretching layer 4 is 0.03mm0.05mm。
A processing technology of a copper-clad aluminum enameled wire comprises the following steps:
s1: drawing, namely drawing the metal wire core on a drawing machine to obtain a metal wire with the diameter of 0.6 mm;
s3: cleaning, wherein the use concentration ratio is 100: cleaning the drawn metal wire by 0.5 of alcohol to remove oil stains and particles attached to the metal wire;
s3: annealing, namely annealing the metal wire, wherein the annealing is carried out in three sections, and the temperatures of the three sections of annealing are respectively 605 ℃, 600 ℃ and 615 ℃;
s4: painting, namely painting the annealed metal wire for four times from inside to outside in sequence to form an insulating layer 2, a high-temperature-resistant layer 3, a stretch-resistant layer 4 and a lubricating layer 5 in sequence;
s5: baking, namely baking the metal wire coated with the paint at the temperature of 205 ℃ to obtain the copper-clad aluminum metal wire after baking;
s6: and (4) taking up and coiling, winding the obtained copper-clad aluminum metal wire on a wire coil, and then packaging the wire coil.
Example four: a copper-clad aluminum enameled wire comprises a metal wire core 1, an insulating layer 2, a high-temperature-resistant layer 3, an anti-stretching layer 4 and a lubricating layer 5, wherein the insulating layer 2 is wrapped on the circumferential surface of the metal wire core 1, the surface of the insulating layer 2 is covered with the high-temperature-resistant layer 3, the anti-stretching layer 4 is adhered to the surface of the high-temperature-resistant layer 3, the lubricating layer 5 is wrapped on the surface of the anti-stretching layer 4, the metal wire core 1 is composed of two parts, the surface layer of the metal wire core 1 is made of metal copper, an inner core of the metal wire core 1 is made of metal aluminum, the cross-sectional area diameter of the metal wire core 1 is 2mm, the insulating layer 2 is a polyester imide insulating paint coating layer, the high-temperature-resistant layer 3 is an inorganic silicon high-temperature-resistant paint coating layer25The thickness of the insulating layer 2 is 0.03mm, the thickness of the high-temperature resistant layer 3 is 0.06mm, and the thickness of the anti-stretching layer 4 is 0.07 mm.
A processing technology of a copper-clad aluminum enameled wire comprises the following steps:
s1: drawing, namely drawing the metal wire core on a drawing machine to draw a metal wire with the diameter of 1 mm;
s3: cleaning, wherein the use concentration ratio is 100: cleaning the drawn metal wire by 0.5 of alcohol to remove oil stains and particles attached to the metal wire;
s3: annealing, namely annealing the metal wire, wherein the annealing is carried out in three sections, and the temperatures of the three sections of annealing are respectively 605 ℃, 600 ℃ and 615 ℃;
s4: painting, namely painting the annealed metal wire for four times from inside to outside in sequence to form an insulating layer 2, a high-temperature-resistant layer 3, a stretch-resistant layer 4 and a lubricating layer 5 in sequence;
s5: baking, namely baking the metal wire coated with the paint at the temperature of 205 ℃ to obtain the copper-clad aluminum metal wire after baking;
s6: and (4) taking up and coiling, winding the obtained copper-clad aluminum metal wire on a wire coil, and then packaging the wire coil.
Example four: a copper-clad aluminum enameled wire comprises a metal wire core 1, an insulating layer 2, a high-temperature-resistant layer 3, an anti-stretching layer 4 and a lubricating layer 5, wherein the insulating layer 2 is wrapped on the circumferential surface of the metal wire core 1, the high-temperature-resistant layer 3 covers the surface of the insulating layer 2, the anti-stretching layer 4 is adhered to the surface of the high-temperature-resistant layer 3, the lubricating layer 5 wraps the surface of the anti-stretching layer 4, the metal wire core 1 is composed of two parts, the surface layer of the metal wire core 1 is made of metal copper, an inner core of the metal wire core 1 is made of metal aluminum, the cross-sectional area diameter of the metal wire core 1 is 2mm, the insulating layer 2 is a polyester imide insulating paint coating layer, the high-temperature-resistant layer 3 is an inorganic silicon high-temperature-resistant paint coating layer, the anti-stretching layer25The thickness of the insulating layer 2 is 0.03mm, the thickness of the high-temperature resistant layer 3 is 0.07mm, and the thickness of the tensile layer 4 is 0.06 mm.
A processing technology of a copper-clad aluminum enameled wire comprises the following steps:
s1: drawing, namely drawing the metal wire core on a drawing machine to obtain a metal wire with the diameter of 1.5 mm;
s3: cleaning, wherein the use concentration ratio is 100: cleaning the drawn metal wire by 0.5 of alcohol to remove oil stains and particles attached to the metal wire;
s3: annealing, namely annealing the metal wire, wherein the annealing is carried out in three sections, and the temperatures of the three sections of annealing are 595 ℃, 600 ℃ and 615 ℃ respectively;
s4: painting, namely painting the annealed metal wire for four times from inside to outside in sequence to form an insulating layer 2, a high-temperature-resistant layer 3, a stretch-resistant layer 4 and a lubricating layer 5 in sequence;
s5: baking, namely baking the metal wire coated with the paint at the temperature of 205 ℃ to obtain the copper-clad aluminum metal wire after baking;
s6: and (4) taking up and coiling, winding the obtained copper-clad aluminum metal wire on a wire coil, and then packaging the wire coil.
The invention has the advantages that: according to the invention, the insulating layer 2 made of the polyester imide insulating varnish and the high temperature resistant layer 3 made of the inorganic silicon high temperature resistant varnish are arranged, so that the prepared copper-clad aluminum enameled wire has the characteristic of high temperature resistance and is not easy to soften and age in a high temperature environment, the tensile layer 4 made of nylon is arranged, so that the prepared copper-clad aluminum enameled wire has the tensile breaking resistance, and the lubricating layer 5 made of the hydrocarbon lubricating oil containing 0.05% -0.1% of C25 is arranged, so that the abrasion of the prepared copper-clad aluminum enameled wire when the prepared copper-clad aluminum enameled wire is in contact with the outside can be effectively reduced, and the prepared copper-clad aluminum enameled wire is more durable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A copper-clad aluminum enameled wire is characterized in that: including metal sinle silk (1), insulating layer (2), high temperature resistant layer (3), stretch-proofing layer (4) and lubricant film (5), the parcel has insulating layer (2) on the periphery of metal sinle silk (1), the surface covering of insulating layer (2) has high temperature resistant layer (3), the surface bonding of high temperature resistant layer (3) has stretch-proofing layer (4), the cladding of lubricant film (5) is on the surface of stretch-proofing layer (4), metal sinle silk (1) comprises two parts, the top layer of metal sinle silk (1) is made by metal copper, the inner core of metal sinle silk (1) is made by metal aluminium, the cross-sectional area diameter of metal sinle silk (1) is 2 mm.
2. The enameled copper-clad aluminum wire according to claim 1, wherein: the insulating layer (2) is a polyester-imide insulating paint coating layer.
3. The enameled copper-clad aluminum wire according to claim 1, wherein: the high temperature resistant layer (3) is an inorganic silicon high temperature resistant paint coating layer.
4. The enameled copper-clad aluminum wire according to claim 1, wherein: the stretch-proof layer (4) is a nylon leather film layer made of nylon.
5. The enameled copper-clad aluminum wire according to claim 1, wherein: the lubricating layer (5) contains 0.05-0.1% of C25The hydrocarbon-based lubricating oil of (1).
6. The enameled copper-clad aluminum wire according to claim 1, wherein: the thickness of the insulating layer (2) is 0.02-0.04 mm, the thickness of the high temperature resistant layer (3) is 0.05-0.07 mm, and the thickness of the anti-stretching layer (4) is 0.04-0.08 mm.
7. The enameled copper-clad aluminum wire according to claim 1, wherein: an anti-oxidation protective layer is arranged between the metal wire core (1) and the poly insulation layer (2), and the anti-oxidation protective layer is a tin layer.
8. A processing technology of a copper-clad aluminum enameled wire is characterized in that: the method comprises the following steps:
s1: drawing, namely drawing the metal wire core on a drawing machine to obtain a metal wire with the diameter of 0.5 mm-2 mm;
s3: cleaning, wherein the use concentration ratio is 100: cleaning the drawn metal wire by 0.5 of alcohol to remove oil stains and particles attached to the metal wire;
s3: annealing, namely annealing the metal wire, wherein the annealing is carried out in three sections, and the temperatures of the three sections of annealing are respectively 600 +/-5 ℃, 595 +/-5 ℃ and 610 +/-5 ℃;
s4: painting, namely painting the annealed metal wire for four times from inside to outside in sequence to form an insulating layer (2), a high temperature resistant layer (3), a stretch-proof layer (4) and a lubricating layer (5) in sequence;
s5: baking, namely baking the metal wire coated with the paint at the temperature of 200 +/-5 ℃ to obtain the copper-clad aluminum metal wire;
s6: and (4) taking up and coiling, winding the obtained copper-clad aluminum metal wire on a wire coil, and then packaging the wire coil.
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| CN202010788346.8A CN111768905A (en) | 2020-08-07 | 2020-08-07 | Copper-clad aluminum enameled wire and processing technology thereof |
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| CN206293197U (en) * | 2016-12-29 | 2017-06-30 | 江西博能上饶线材有限公司 | A kind of high-temperature resistant enamelled wire |
| CN206379190U (en) * | 2017-01-23 | 2017-08-04 | 诚信漆包线（惠州）有限公司 | A kind of pressure-resistant H grades of enamel-covered wire of superelevation |
| CN206412129U (en) * | 2016-12-20 | 2017-08-15 | 新疆峰岩线缆有限公司 | A kind of rare earth aluminium alloy cable |
| CN210575149U (en) * | 2019-08-22 | 2020-05-19 | 珠海格力电工有限公司 | Enameled wire with high heat-resistant stripping performance |
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2020
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| CN201084473Y (en) * | 2007-07-31 | 2008-07-09 | 东莞泽龙线缆有限公司 | A thermal-bonding composite copper-coated aluminum paint covered wire |
| CN201149780Y (en) * | 2007-12-06 | 2008-11-12 | 珠海格力电器股份有限公司 | Varnished wire |
| CN201804584U (en) * | 2010-08-24 | 2011-04-20 | 常州市邮电通信光缆有限公司 | Nylon enamelled wire |
| CN102354584A (en) * | 2011-08-31 | 2012-02-15 | 湖北瀛通电子有限公司 | Production process for enamelled wire by coating thin paint for many times |
| CN206412129U (en) * | 2016-12-20 | 2017-08-15 | 新疆峰岩线缆有限公司 | A kind of rare earth aluminium alloy cable |
| CN206293197U (en) * | 2016-12-29 | 2017-06-30 | 江西博能上饶线材有限公司 | A kind of high-temperature resistant enamelled wire |
| CN206379190U (en) * | 2017-01-23 | 2017-08-04 | 诚信漆包线（惠州）有限公司 | A kind of pressure-resistant H grades of enamel-covered wire of superelevation |
| CN210575149U (en) * | 2019-08-22 | 2020-05-19 | 珠海格力电工有限公司 | Enameled wire with high heat-resistant stripping performance |
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