CN109979654A - 260 grades of enameling copper strap wires of one kind and its preparation process - Google Patents
260 grades of enameling copper strap wires of one kind and its preparation process Download PDFInfo
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- CN109979654A CN109979654A CN201910360361.XA CN201910360361A CN109979654A CN 109979654 A CN109979654 A CN 109979654A CN 201910360361 A CN201910360361 A CN 201910360361A CN 109979654 A CN109979654 A CN 109979654A
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- copper strap
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- 229910052802 copper Inorganic materials 0.000 title claims abstract description 87
- 239000010949 copper Substances 0.000 title claims abstract description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000004534 enameling Methods 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000000137 annealing Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 32
- 238000001035 drying Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007605 air drying Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
-
- 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
- H01B7/08—Flat or ribbon cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of 260 grades of enameling copper strap wires, including copper strap wire ontology (1), polytetrafluorethylecoatings coatings (2) are equipped on the outside of copper strap wire ontology (1)；Preparation process obtains A product the following steps are included: A, be surface-treated to copper strap wire；B, stress relief annealing process is carried out to A product, obtains B product；C, polytetrafluoroethylene material is coated to B product flat wire surface by the way of extruding, obtains C product；D, after cooling down to C product, finished product is obtained.The present invention has the characteristics that good high-temperature resistant result and is able to bear higher breakdown voltage.
Description
Technical field
The present invention relates to a kind of enameling copper strap wire, especially a kind of 260 grades of enameling copper strap wires and its preparation process.
Background technique
Along with the development of electrical equipment and machinery industry, since enameling copper strap wire is in thermal diffusivity, welding contact area, anti-
Fatigue strength, hardness control etc. all have unique advantage, and enameling copper strap wire is widely used in transformer, motor, power generation
In machine and various electrical equipments.But the enameling copper strap wire of domestic market is usually to coat aromatics on the surface of copper strap wire
Polyimides paint layer forms, and heat resisting temperature is lower, unbearable higher breakdown voltage, can not be suitable for those for resistance to height
The more demanding electrical equipment of mild anti-breakdown voltage.Moreover, existing enameling copper strap wire generallys use conventional in production
The production technology of enamel-cover round wires, not only speed of production is slow in this way, low output；And product easy bending in process of production, so that
Fillet is not easy to control, and then product is caused to be easy the discharge breakdown at fillet, influences the reactance voltage breakdown performance of product.Therefore,
The problems such as that there is production efficiencys is low for existing technology, high temperature resistance is poor and unbearable higher breakdown voltage.
Summary of the invention
The object of the present invention is to provide a kind of 260 grades of enameling copper strap wires and its preparation processes.The present invention has and can have
The raising production efficiency of effect, the characteristics of promoting high temperature resistance and higher breakdown voltage can be born.
Technical solution of the present invention: a kind of 260 grades of enameling copper strap wires, including copper strap wire ontology, copper strap wire outer body are set
There are polytetrafluorethylecoatings coatings.
In a kind of 260 grades of enameling copper strap wires above-mentioned, the radius of corner of the copper strap wire ontology is 0.45-0.60mm.
In a kind of 260 grades of enameling copper strap wires above-mentioned, polytetrafluorethylecoatings coatings with a thickness of 0.13-0.16mm.
A kind of preparation process of 260 grades of enameling copper strap wires, comprising the following steps:
A, copper strap wire is surface-treated, obtains A product；
B, stress relief annealing process is carried out to A product, obtains B product；
C, polytetrafluoroethylene material is coated to B product flat wire surface by the way of extruding, obtains C product；
D, after cooling down to C product, finished product is obtained.
In a kind of preparation process of 260 grades of enameling copper strap wires above-mentioned, in the step A, using 40-50 DEG C of clear water pair
Copper strap wire surface is cleaned, and is then used drying temperature to dry for 120-150 DEG C of drying box to copper strap wire, is obtained A
Product.
In a kind of preparation process of 260 grades of enameling copper strap wires above-mentioned, the step B the specific steps are successively by A product
It is sent into the first annealing furnace, the second annealing furnace, the first cooling water tank and the second cooling water tank and is handled, obtain B product after air-drying；
The movement speed of the A product is 40-60m/min.
In a kind of preparation process of 260 grades of enameling copper strap wires above-mentioned, the temperature of first annealing furnace is 480-510
DEG C, the temperature of the second annealing furnace is 500-530 DEG C, and the heating stroke of the first annealing furnace and the second annealing furnace is 12-18m.
It is 60-70 DEG C that temperature is equipped in a kind of preparation process of 260 grades of enameling copper strap wires above-mentioned, in the first cooling water tank
Cooling water cooled down；Cooling water in second cooling water tank equipped with 10-15 DEG C is cooled down；First cooling water tank
Cooling stroke is 20-25m, and the cooling stroke of the second cooling water tank is 15-20m.
In a kind of preparation process of 260 grades of enameling copper strap wires above-mentioned, the extrusion of polytetrafluoroethylene material in the step C
Temperature is 330-390 DEG C；The movement speed of B product is 40-60m/min in the step C.
In a kind of preparation process of 260 grades of enameling copper strap wires above-mentioned, C product are carried out by the way of air-cooled in step D
It is cooling, specific steps are as follows: it is cold that C product are successively delivered to the first cool wind box, the second cool wind box and the progress of third cool wind box
But；The temperature of first cool wind box is 70-80 DEG C, and the temperature of the second cool wind box is 10-15 DEG C, the temperature of third cool wind box
It is 20-25 DEG C；The cooling stroke of first cool wind box, the second cool wind box and third cool wind box is 8-10m.
Compared with prior art, the present invention is come by coating one layer of polytetrafluorethylecoatings coatings in the outside of copper strap wire ontology
Replace traditional aromatic polyimide coating, and passes through the radius of corner and polytetrafluorethylecoatings coatings of reasonably optimizing copper strap wire ontology
Thickness so that finally obtained enameling copper strap wire have good high temperature resistance, 260 degree of high temperature can be born, and
Also it is able to bear higher breakdown voltage, also there is good anti-hydrolytic performance；The present invention passes through each production step of reasonably optimizing
Suddenly, the production technology of each step of strict control, the product enabled play performance to optimum state.The present invention adopts
Polytetrafluoroethylene (PTFE) is coated to copper strap wire body surface with the mode extruded, so as to effectively improve the life of enameling copper strap wire
Efficiency is produced, production efficiency by the way of enamel-cover than at least promoting 4 times；Moreover, by the way of extruding, enable product
One-pass molding avoids the bending of copper strap wire ontology in production process, convenient for controlling fillet, prevents electric discharge at fillet from hitting
It wears.In conclusion the present invention has with the present invention can effectively improve production efficiency, promote high temperature resistance and can hold
The characteristics of by higher breakdown voltage.
In addition, the present invention is when making annealing treatment copper strap wire, by different temperature heating treatments and cooling treatment,
So as to effectively eliminate the internal stress of copper strap wire；Pass through the shifting for extruding temperature and copper strap wire of reasonably optimizing polytetrafluoroethylene (PTFE)
Dynamic speed, and it is equipped with corresponding cooling step, so that polytetrafluoroethylene (PTFE) can be good at being coated on copper strap wire surface, have good
High temperature resistance and breakdown voltage resistant performance
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
The label in accompanying drawing is: 1- copper strap wire ontology, 2- polytetrafluorethylecoatings coatings.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment 1.A kind of 260 grades of enameling copper strap wires, specific structure is as shown in Figure 1, include copper strap wire ontology 1, copper strap wire
Polytetrafluorethylecoatings coatings 2 are equipped on the outside of ontology 1.
The radius of corner of the copper strap wire ontology is 0.45-0.60mm.
Polytetrafluorethylecoatings coatings with a thickness of 0.13-0.16mm.
A kind of preparation process of 260 grades of enameling copper strap wires, comprising the following steps:
A, copper strap wire is surface-treated, obtains A product；
B, stress relief annealing process is carried out to A product, obtains B product；
C, polytetrafluoroethylene material is coated to B product flat wire surface by the way of extruding, obtains C product；
D, after cooling down to C product, finished product is obtained.
In the step A, copper strap wire surface is cleaned using 40-50 DEG C of clear water, then use drying temperature for
120-150 DEG C of drying box dries copper strap wire, obtains A product.
The step B the specific steps are be sequentially sent to the first annealing furnace, the second annealing furnace, the first cooling water tank for A product
It is handled in the second cooling water tank, obtains B product after air-drying；The movement speed of the A product is 40-60m/min.
The temperature of first annealing furnace is 480-510 DEG C, and the temperature of the second annealing furnace is 500-530 DEG C, the first annealing
The heating stroke of furnace and the second annealing furnace is 12-18m.
The cooling water for being 60-70 DEG C equipped with temperature in first cooling water tank is cooled down；10- is equipped in second cooling water tank
15 DEG C of cooling water is cooled down；The cooling stroke of first cooling water tank is 20-25m, the cooling row of the second cooling water tank
Journey is 15-20m.
The extrusion temperature of polytetrafluoroethylene material is 330-390 DEG C in the step C；The mobile speed of B product in the step C
Degree is 40-60m/min.
C product are cooled down by the way of air-cooled in step D, specific steps are as follows: it is cooling that C product are successively delivered to first
Bellows, the second cool wind box and third cool wind box are cooled down；The temperature of first cool wind box is 70-80 DEG C, and second is cooling
The temperature of bellows is 10-15 DEG C, and the temperature of third cool wind box is 20-25 DEG C；First cool wind box, the second cool wind box
Cooling stroke with third cool wind box is 8-10m.
Copper strap wire in step A is outsourcing product, only need to be using the copper strap wire of satisfactory corresponding size on the market
It can.
The movement speed of C product is also 40-60m/min in the step D.
The heating stroke refers in the same time, length (the i.e. heating of annealing furnace of copper strap wire in the lehr
Length).
The cooling stroke refers in the same time, the length of the copper strap wire in cooler bin.
In step A the specific steps are be delivered in 40-50 DEG C of filtered water tank by copper strap wire and clean, then defeated
It send into 120-150 DEG C of drying box and is dried, so that it may obtain A product.
The tender lower sponge in Shanghai is equipped in filtered water tank, copper strap wire is located between the tender lower sponge in Shanghai, the upper end of upper sponge
Equipped with irony pressing plate, for making upper sponge be in contact with lower sponge, so as to comprehensive cleaning copper strap wire.
Embodiment 2.A kind of 260 grades of enameling copper strap wires, specific structure is as shown in Figure 1, include copper strap wire ontology 1, copper strap wire
Polytetrafluorethylecoatings coatings 2 are equipped on the outside of ontology 1.
The radius of corner of the copper strap wire ontology is 0.50mm.
Polytetrafluorethylecoatings coatings with a thickness of 0.15mm.
A kind of preparation process of 260 grades of enameling copper strap wires, comprising the following steps:
A, copper strap wire is surface-treated, obtains A product；
B, stress relief annealing process is carried out to A product, obtains B product；
C, polytetrafluoroethylene material is coated to B product flat wire surface by the way of extruding, obtains C product；
D, after cooling down to C product, finished product is obtained.
In the step A, copper strap wire surface is cleaned using 45 DEG C of clear water, then uses drying temperature for 135
DEG C drying box copper strap wire is dried, obtain A product.
The step B the specific steps are be sequentially sent to the first annealing furnace, the second annealing furnace, the first cooling water tank for A product
It is handled in the second cooling water tank, obtains B product after air-drying；The movement speed of the A product is 45m/min.
The temperature of first annealing furnace is 480 DEG C, and the temperature of the second annealing furnace is 510 DEG C, the first annealing furnace and second
The heating stroke of annealing furnace is 15m.
The cooling water for being 65 DEG C equipped with temperature in first cooling water tank is cooled down；Equipped with 13 DEG C in second cooling water tank
Cooling water is cooled down；The cooling stroke of first cooling water tank is 22m, and the cooling stroke of the second cooling water tank is 18m.
The extrusion temperature of polytetrafluoroethylene material is 350 DEG C in the step C；The movement speed of B product is in the step C
50m/min。
C product are cooled down by the way of air-cooled in step D, specific steps are as follows: it is cooling that C product are successively delivered to first
Bellows, the second cool wind box and third cool wind box are cooled down；The temperature of first cool wind box is 75 DEG C, the second cool wind box
Temperature be 13 DEG C, the temperature of third cool wind box is 22 DEG C；First cool wind box, the second cool wind box and third are cooling
The cooling stroke of bellows is 9m.
Copper strap wire in step A is outsourcing product, only need to be using the copper strap wire of satisfactory corresponding size on the market
It can.
The movement speed of C product is also 50m/min in the step D.
The heating stroke refers in the same time, length (the i.e. heating of annealing furnace of copper strap wire in the lehr
Length).
The cooling stroke refers in the same time, the length of the copper strap wire in cooler bin.
In step A the specific steps are be delivered in 45 DEG C of filtered water tank by copper strap wire and clean, be then delivered to
It is dried in 135 DEG C of drying box, so that it may obtain A product.
The tender lower sponge in Shanghai is equipped in filtered water tank, copper strap wire is located between the tender lower sponge in Shanghai, the upper end of upper sponge
Equipped with irony pressing plate, for making upper sponge be in contact with lower sponge, so as to comprehensive cleaning copper strap wire.
Claims (10)
1. a kind of 260 grades of enameling copper strap wires, it is characterised in that: including copper strap wire ontology (1), be equipped on the outside of copper strap wire ontology (1)
Polytetrafluorethylecoatings coatings (2).
2. a kind of 260 grades of enameling copper strap wires according to claim 1, it is characterised in that: the fillet of the copper strap wire ontology
Radius is 0.45-0.60mm.
3. a kind of 260 grades of enameling copper strap wires according to claim 1, it is characterised in that: the thickness of polytetrafluorethylecoatings coatings
For 0.13-0.16mm.
4. preparing the technique of 260 grades of enameling copper strap wires of one kind described in any one of claims 1 to 3, which is characterized in that including
Following steps:
A, copper strap wire is surface-treated, obtains A product；
B, stress relief annealing process is carried out to A product, obtains B product；
C, polytetrafluoroethylene material is coated to B product flat wire surface by the way of extruding, obtains C product；
D, after cooling down to C product, finished product is obtained.
5. a kind of preparation process of 260 grades of enameling copper strap wires according to claim 4, it is characterised in that: the step A
In, copper strap wire surface is cleaned using 40-50 DEG C of clear water, then uses drying temperature for 120-150 DEG C of drying box
Copper strap wire is dried, A product are obtained.
6. a kind of preparation process of 260 grades of enameling copper strap wires according to claim 4, it is characterised in that: the step B's
The specific steps are, by A product be sequentially sent in the first annealing furnace, the second annealing furnace, the first cooling water tank and the second cooling water tank into
Row processing, obtains B product after air-drying；The movement speed of the A product is 40-60m/min.
7. a kind of preparation process of 260 grades of enameling copper strap wires according to claim 6, it is characterised in that: described first moves back
The temperature of stove is 480-510 DEG C, and the temperature of the second annealing furnace is 500-530 DEG C, the first annealing furnace and the second annealing furnace plus
Hot stroke is 12-18m.
8. a kind of preparation process of 260 grades of enameling copper strap wires according to claim 6, it is characterised in that: the first cooling water
The cooling water for being 60-70 DEG C equipped with temperature in case is cooled down；Cooling water in second cooling water tank equipped with 10-15 DEG C carries out cold
But；The cooling stroke of first cooling water tank is 20-25m, and the cooling stroke of the second cooling water tank is 15-20m.
9. a kind of preparation process of 260 grades of enameling copper strap wires according to claim 4, it is characterised in that: in the step C
The extrusion temperature of polytetrafluoroethylene material is 330-390 DEG C；The movement speed of B product is 40-60m/min in the step C.
10. a kind of preparation process of 260 grades of enameling copper strap wires according to claim 4, it is characterised in that: adopted in step D
C product are cooled down with air-cooled mode, specific steps are as follows: C product are successively delivered to the first cool wind box, the second cool wind box
It is cooled down with third cool wind box；The temperature of first cool wind box is 70-80 DEG C, and the temperature of the second cool wind box is 10-15
DEG C, the temperature of third cool wind box is 20-25 DEG C；First cool wind box, the second cool wind box and third cool wind box
Cooling stroke is 8-10m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360361.XA CN109979654A (en) | 2019-04-30 | 2019-04-30 | 260 grades of enameling copper strap wires of one kind and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360361.XA CN109979654A (en) | 2019-04-30 | 2019-04-30 | 260 grades of enameling copper strap wires of one kind and its preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109979654A true CN109979654A (en) | 2019-07-05 |
Family
ID=67087282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910360361.XA Pending CN109979654A (en) | 2019-04-30 | 2019-04-30 | 260 grades of enameling copper strap wires of one kind and its preparation process |
Country Status (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030019657A1 (en) * | 2001-06-22 | 2003-01-30 | Helmut Seigerschmidt | Audio-visual display unit and cable therefor |
| CN201408596Y (en) * | 2009-05-13 | 2010-02-17 | 安徽新宇缆业集团有限公司 | Compensation cable for temperature-resistant thermocouple |
| CN202025550U (en) * | 2011-03-28 | 2011-11-02 | 安徽猎塔电缆集团有限公司 | Fire-proof and high/low temperature resistant electric wire for gas generator |
| CN108877999A (en) * | 2018-06-28 | 2018-11-23 | 浙江龙鹰光电科技有限公司 | A kind of good high heat dissipation enameling copper strap wire of flexibility |
| CN108986987A (en) * | 2018-06-22 | 2018-12-11 | 天津经纬电材股份有限公司 | The processing method of photovoltaic inversion device enameling copper strap wire |
-
2019
- 2019-04-30 CN CN201910360361.XA patent/CN109979654A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030019657A1 (en) * | 2001-06-22 | 2003-01-30 | Helmut Seigerschmidt | Audio-visual display unit and cable therefor |
| CN201408596Y (en) * | 2009-05-13 | 2010-02-17 | 安徽新宇缆业集团有限公司 | Compensation cable for temperature-resistant thermocouple |
| CN202025550U (en) * | 2011-03-28 | 2011-11-02 | 安徽猎塔电缆集团有限公司 | Fire-proof and high/low temperature resistant electric wire for gas generator |
| CN108986987A (en) * | 2018-06-22 | 2018-12-11 | 天津经纬电材股份有限公司 | The processing method of photovoltaic inversion device enameling copper strap wire |
| CN108877999A (en) * | 2018-06-28 | 2018-11-23 | 浙江龙鹰光电科技有限公司 | A kind of good high heat dissipation enameling copper strap wire of flexibility |
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Application publication date: 20190705 |