CN107248431B - A kind of production technology of the flat enamel covered wire of high tenacity - Google Patents
A kind of production technology of the flat enamel covered wire of high tenacity Download PDFInfo
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- CN107248431B CN107248431B CN201710321288.6A CN201710321288A CN107248431B CN 107248431 B CN107248431 B CN 107248431B CN 201710321288 A CN201710321288 A CN 201710321288A CN 107248431 B CN107248431 B CN 107248431B
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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
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
-
- 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
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
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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
- H01B13/06—Insulating conductors or cables
- H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
- H01B13/165—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying by spraying
-
- 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
Abstract
The invention belongs to field of wire production, and in particular to a kind of production technology of the flat enamel covered wire of high tenacity.The flat enamel-cover copper toughness produced the technical problem to be solved by the present invention is to existing process is generally poor, it is unable to reach higher toughness reguirements, plasticity and resistance to deformation are poor, when for flattening, light-weighted abnormity component, it is easy damaged the shortcomings that being even broken occur because of multiple deformation.The step of production technology of the present invention, generally passes through step a-n, by unwrapping wire and aligning, and carries out reciprocal roll forming three times, using cooling cleaning etc., obtains the flat enamel covered wire of high tenacity.Flat enamel covered wire good toughness that the invented technology is produced, plasticity are strong, have stronger resistance to deformation, meanwhile, it conducts electricity very well, is completely suitable for all kinds of flattenings, in light-weighted abnormity component.
Description
Technical field
The invention belongs to field of wire production, and in particular to a kind of production technology of the flat enamel covered wire of high tenacity.
Background technique
Electric wire is made of one or a few soft conducting wire, and outer bread is with light and soft sheath；Cable is by one or several
Root insulating bag conducting wire composition, outside is wrapped again with metal or tough and tensile outer layer made of rubber.Enameled wire is a main product of winding wire
Kind, it is made of conductor and insulating layer two parts, after the annealed softening of bare wire, using repeatedly painting, bake.But it produces
It not only meets the requirements of the standard out, but also meets the product of customer requirement and be not easy to, because it is by raw material quality, technological parameter, production
The factors such as equipment, environment influence, and therefore, the mass property of various enameled wires is different, but all have mechanical performance, chemically
Energy, electrical property, the big performance of hot property four.
The section configuration of enameled wire is all circular mostly at present, but there is the slot after winding is full for circular enameled wire
The lower disadvantage of rate, this greatly limits the performance of corresponding electric appliance part effect, after general enameled wire is wound at full capacity, slot is full
Rate is about 78%, accordingly, it is difficult to meet technology development for component flattening, lightweight, low-power consumption, high performance requirement.
With the change of technology, flat wire just comes into being, and flat wire is also referred to as flat filament, flattens line, straight angle wire rod or ultra-narrow band etc., refers to
It is the anisotropic wire of cross section approximate circle angular moment shape, for thickness from 0.025mm to 2mm, width is generally less than 5mm.Its width-thickness ratio from
2:1 to 50:1 etc..Since flat filament is similar to band-like, also sometimes referred to as ultra-narrow bandlet.Compared to common circle silk, this shape of flat filament
State in terms of thermal diffusivity, welding contact area, antifatigue degree, hardness all with unique advantage, meanwhile, flat wire
Also it is significantly larger than round wires on copper factor after winding, therefore, the application of flat wire is just increasingly taken seriously.
The production method of flat wire is broadly divided into rolling (calendering) method, special-shaped mould hubbing and band slitting method, wherein special-shaped
Mould hubbing is similar with circle silk production technology, uses pass to carry out drawing for the special-shaped wire-drawing die of rectangle, but this mode is only
The flat wire of low width-thickness ratio can be produced, and easily cause alloy deformation of filament is uneven to be even broken, high-precision and surface quality can not be produced
Product；Band slitting method is the most universal at home at present, which cuts out the band of big width using slitting line, obtains wide
Spend the narrowband of minimum 3mm or so, the advantages of material slitting technique is that difficulty of processing is small, and processing cost is low in the case of big width, and
The disadvantage is that with the reduction of width, the quantity and cost for arranging knife increase sharply, so that can not actually produce width lower than 2mm's
Special narrow silk, meanwhile, second the disadvantage is that the horizontal tension during cutting feed extremely be easy to cause camber and silk material kinking
Phenomenon keeps product unqualified, in addition, the product that slitting method obtains must be filled using disk, can not obtain deep bid by laterally winding
Weight；Circle silk flat rolling method requires that material circle silk is first pulled to some accurate line footpath, then passes through multiple tracks roll flattening
Molding, which requires equipment investment and more stringent production technology costly, but is that of avoiding both the above technique
Defect, mechanical performance is uniform, poker, good straightness degree, and specification is accurate, and surface quality is excellent, is that production ultra-narrow is ultra-thin fine
The necessary technique of flat wire.
Because copper is to the huge advantage in electric conductivity, flat enameled wire is typically all copper now, as flat
Flat enamel covered wire.For the demand of different performance, the characteristics of flat enamel covered wire can be according to required performance, adjusted accordingly
It is whole, such as flattening and the extra high component of lightweight requirements, it is necessary to it is ultra-thin flat with big flakiness ratio to produce ultra-narrow
Enamel covered wire；And for low-power consumption and the extra high component of high performance requirements, it is necessary to produce high-accuracy flat enamel covered wire；
And component extra high for impact resistance, it is necessary to produce the flat enamel covered wire of high tenacity；And for service life
It is required that extra high component, it is necessary to produce flat enamel covered wire of durability etc..
Now, it since many devices all develop towards flattening and light-weighted direction, is used in these devices
Flat enamel covered wire require higher flexibility, the process to adapt to the demand of corresponding connection type, but now
The flat enamel-cover copper toughness produced is generally poor, is unable to reach higher toughness reguirements, and plasticity and resistance to deformation are poor, uses
When flattening, light-weighted abnormity component, it is easy damaged even fracture occur because of multiple deformation, greatly
Limit many component flattenings and light-weighted development.
Summary of the invention
(1) technical problems to be solved
In view of the deficiencies of the prior art, the technical problem to be solved in the present invention is to provide a kind of flat enamel covered wires of high tenacity
Production technology, flat enamel covered wire good toughness which produces, plasticity are strong, have stronger resistance to deformation, together
When, it conducts electricity very well, is completely suitable for all kinds of flattenings, in light-weighted abnormity component.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides the production works of the flat enamel covered wire of such a high tenacity
Skill, using copper bar as raw material, specific process step are as follows:
A. unwrapping wire；
B. copper bar is aligned；
C. copper bar is heated to 100 DEG C, makes it through I extrusion forming of cold extrusion press, is at the mould outlet of cold extrusion press I
Circle, the circular diameter dimension of I mould outlet of cold extrusion press are 12 times of flat enamel covered wire target size width, obtain round wires
Ⅰ；
D. round wires I are passed through into II extrusion forming of cold extrusion press, width, height dimension point at II mould outlet of cold extrusion press
Not Wei flat enamel covered wire target size width, 6 times, 30 times of height, obtain flat wire I；
E. flat wire I is passed through into III extrusion forming of cold extrusion press, is circle, cold extrusion press III at III mould outlet of cold extrusion press
The circular diameter dimension of mould outlet is 4 times of flat enamel covered wire target size width, obtains round wires II；
F. by round wires II by I extrusion forming of heat extruder, squeezing temperature setting is 540-560 DEG C, I mold of heat extruder
Width, the height dimension in exit are respectively flat enamel covered wire target size width, 3 times, 10 times of height, obtain flat wire
Ⅱ；
G. by flat wire II by II extrusion forming of heat extruder, squeezing temperature setting is 620-640 DEG C, II mould of heat extruder
Having exit is circle, and the circular diameter dimension of II mould outlet of heat extruder is the 2 of flat enamel covered wire target size width
Times, obtain round wires III；
H. by round wires III by III extrusion forming of heat extruder, squeezing temperature setting is 540-560 DEG C, III mould of heat extruder
Width, the height dimension for having exit are bigger by 5% than width, the height dimension of flat enamel covered wire target size, obtain flat wire III；
I. flat wire III is cooled down using water, flat wire III is cooled to 50 DEG C or less；
J. ultrasonic cleaning is carried out to flat wire III；
K. flat wire III is at the uniform velocity subjected to unwrapping wire, it is made to carry out soft annealing, softening by softening furnace in the environment of nitrogen
Furnace temperature is set as 490-510 DEG C；
L. the flat wire III that temperature is 490-510 DEG C is immersed in 23-27 DEG C of water in the environment of above-mentioned nitrogen, leaves water
It is dried behind face with blower；
M. it paints to flat wire III, and carries out baking and forming at 340-380 DEG C, then flat wire III is natural at room temperature
It is cooling；
N. take-up is drawn to get the flat enamel covered wire of finished product high tenacity.
Preferably, in step f, squeezing temperature setting is 550 DEG C.
Preferably, in step g, squeezing temperature setting is 630 DEG C.
Preferably, in step h, squeezing temperature setting is 550 DEG C.
Preferably, in step k, the temperature setting of softening furnace is 500 DEG C.
Preferably, in step m, baking and forming is carried out at 360 DEG C.
(3) beneficial effect
Compared with prior art, production technology of the invention is rolled first with raw copper bar, by round wires and flat
It is squeezed to line reciprocation type, and using reciprocal roll forming three times, and passes through the collocation of cold extrusion press and heat extruder rank
It connects, is matched in conjunction with cold extrusion press in each step and the width at heat extruder mould outlet and height, and breakthrough pass through
Specific parameters gradually reduce width and height, so that small copper wire is gradually rolled, it can be while improving the product uniformity, most
Improve to limits the toughness of flat enamel-cover copper；Secondly, roll copper wire so that it is gradually become smaller during, advanced trip temperature compared with
Low cold pressing, then the higher hot pressing of temperature is carried out, and the temperature of process cold pressing and hot pressing is also with certain specificity
Gradient improves its plasticity, enhances its deformation resistant energy in conjunction on the width and height dimension in each extruder mold exit
Power, meanwhile, the electric conductivity of flat enamel covered wire is also enhanced, allows to be completely suitable for all kinds of flattenings, lightweight in this way
Abnormity component in, ensure that its production and the reliability that uses；Finally, again by the coordinate operation of each step, and combine special
The technological parameter of each step anisotropicly makes the processing efficiency of each process all be improved, and makes to react and process more
Thoroughly.To sum up known, the flat enamel covered wire good toughness produced using technique of the invention, plasticity are strong, have stronger
Resistance to deformation, meanwhile, it conducts electricity very well, is completely suitable for all kinds of flattenings, in light-weighted abnormity component.
Specific embodiment
In the following, by the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to guarantor of the present invention
The range of shield.
Embodiment 1
A kind of production technology of the flat enamel covered wire of high tenacity produces the flat enamel-cover copper of high tenacity using copper bar as raw material
Line, specific process step are as follows:
A. unwrapping wire；
B. copper bar is aligned；
C. copper bar is heated to 100 DEG C, makes it through I extrusion forming of cold extrusion press, is at the mould outlet of cold extrusion press I
Circle, the circular diameter dimension of I mould outlet of cold extrusion press are 12 times of flat enamel covered wire target size width, obtain round wires
Ⅰ；
D. round wires I are passed through into II extrusion forming of cold extrusion press, width, height dimension point at II mould outlet of cold extrusion press
Not Wei flat enamel covered wire target size width, 6 times, 30 times of height, obtain flat wire I；
E. flat wire I is passed through into III extrusion forming of cold extrusion press, is circle, cold extrusion press III at III mould outlet of cold extrusion press
The circular diameter dimension of mould outlet is 4 times of flat enamel covered wire target size width, obtains round wires II；
F. by round wires II by I extrusion forming of heat extruder, squeezing temperature setting is 540 DEG C, I mould outlet of heat extruder
Width, the height dimension at place are respectively flat enamel covered wire target size width, 3 times, 10 times of height, obtain flat wire II；
G. by flat wire II by II extrusion forming of heat extruder, squeezing temperature setting is 620 DEG C, and II mold of heat extruder goes out
It is circle at mouthful, the circular diameter dimension of II mould outlet of heat extruder is 2 times of flat enamel covered wire target size width, is obtained
To round wires III；
H. by round wires III by III extrusion forming of heat extruder, squeezing temperature setting is 540 DEG C, and III mold of heat extruder goes out
Width, height dimension at mouthful is bigger by 5% than width, the height dimension of flat enamel covered wire target size, obtains flat wire III；
I. flat wire III is cooled down using water, flat wire III is cooled to 50 DEG C or less；
J. ultrasonic cleaning is carried out to flat wire III；
K. flat wire III is at the uniform velocity subjected to unwrapping wire, it is made to carry out soft annealing, softening by softening furnace in the environment of nitrogen
Furnace temperature is set as 490 DEG C；
L. the flat wire III that temperature is 490 DEG C is immersed in 23 DEG C of water in the environment of above-mentioned nitrogen, is used after leaving the water surface
Blower is dried；
M. it paints to flat wire III, and carries out baking and forming at 340 DEG C, then flat wire III is naturally cold at room temperature
But；
N. take-up is drawn to get the flat enamel covered wire of finished product high tenacity.
Flat enamel covered wire sample 2 is obtained through the above steps.
Embodiment 2
A kind of production technology of the flat enamel covered wire of high tenacity produces the flat enamel-cover copper of high tenacity using copper bar as raw material
Line, specific process step are as follows:
A. unwrapping wire；
B. copper bar is aligned；
C. copper bar is heated to 100 DEG C, makes it through I extrusion forming of cold extrusion press, is at the mould outlet of cold extrusion press I
Circle, the circular diameter dimension of I mould outlet of cold extrusion press are 12 times of flat enamel covered wire target size width, obtain round wires
Ⅰ；
D. round wires I are passed through into II extrusion forming of cold extrusion press, width, height dimension point at II mould outlet of cold extrusion press
Not Wei flat enamel covered wire target size width, 6 times, 30 times of height, obtain flat wire I；
E. flat wire I is passed through into III extrusion forming of cold extrusion press, is circle, cold extrusion press III at III mould outlet of cold extrusion press
The circular diameter dimension of mould outlet is 4 times of flat enamel covered wire target size width, obtains round wires II；
F. by round wires II by I extrusion forming of heat extruder, squeezing temperature setting is 550 DEG C, I mould outlet of heat extruder
Width, the height dimension at place are respectively flat enamel covered wire target size width, 3 times, 10 times of height, obtain flat wire II；
G. by flat wire II by II extrusion forming of heat extruder, squeezing temperature setting is 630 DEG C, and II mold of heat extruder goes out
It is circle at mouthful, the circular diameter dimension of II mould outlet of heat extruder is 2 times of flat enamel covered wire target size width, is obtained
To round wires III；
H. by round wires III by III extrusion forming of heat extruder, squeezing temperature setting is 550 DEG C, and III mold of heat extruder goes out
Width, height dimension at mouthful is bigger by 5% than width, the height dimension of flat enamel covered wire target size, obtains flat wire III；
I. flat wire III is cooled down using water, flat wire III is cooled to 50 DEG C or less；
J. ultrasonic cleaning is carried out to flat wire III；
K. flat wire III is at the uniform velocity subjected to unwrapping wire, it is made to carry out soft annealing, softening by softening furnace in the environment of nitrogen
Furnace temperature is set as 500 DEG C；
L. the flat wire III that temperature is 500 DEG C is immersed in 25 DEG C of water in the environment of above-mentioned nitrogen, is used after leaving the water surface
Blower is dried；
M. it paints to flat wire III, and carries out baking and forming at 360 DEG C, then flat wire III is naturally cold at room temperature
But；
N. take-up is drawn to get the flat enamel covered wire of finished product high tenacity.
Flat enamel covered wire sample 2 is obtained through the above steps.
Embodiment 3
A kind of production technology of the flat enamel covered wire of high tenacity produces the flat enamel-cover copper of high tenacity using copper bar as raw material
Line, specific process step are as follows:
A. unwrapping wire；
B. copper bar is aligned；
C. copper bar is heated to 100 DEG C, makes it through I extrusion forming of cold extrusion press, is at the mould outlet of cold extrusion press I
Circle, the circular diameter dimension of I mould outlet of cold extrusion press are 12 times of flat enamel covered wire target size width, obtain round wires
Ⅰ；
D. round wires I are passed through into II extrusion forming of cold extrusion press, width, height dimension point at II mould outlet of cold extrusion press
Not Wei flat enamel covered wire target size width, 6 times, 30 times of height, obtain flat wire I；
E. flat wire I is passed through into III extrusion forming of cold extrusion press, is circle, cold extrusion press III at III mould outlet of cold extrusion press
The circular diameter dimension of mould outlet is 4 times of flat enamel covered wire target size width, obtains round wires II；
F. by round wires II by I extrusion forming of heat extruder, squeezing temperature setting is 560 DEG C, I mould outlet of heat extruder
Width, the height dimension at place are respectively flat enamel covered wire target size width, 3 times, 10 times of height, obtain flat wire II；
G. by flat wire II by II extrusion forming of heat extruder, squeezing temperature setting is 640 DEG C, and II mold of heat extruder goes out
It is circle at mouthful, the circular diameter dimension of II mould outlet of heat extruder is 2 times of flat enamel covered wire target size width, is obtained
To round wires III；
H. by round wires III by III extrusion forming of heat extruder, squeezing temperature setting is 560 DEG C, and III mold of heat extruder goes out
Width, height dimension at mouthful is bigger by 5% than width, the height dimension of flat enamel covered wire target size, obtains flat wire III；
I. flat wire III is cooled down using water, flat wire III is cooled to 50 DEG C or less；
J. ultrasonic cleaning is carried out to flat wire III；
K. flat wire III is at the uniform velocity subjected to unwrapping wire, it is made to carry out soft annealing, softening by softening furnace in the environment of nitrogen
Furnace temperature is set as 510 DEG C；
L. the flat wire III that temperature is 510 DEG C is immersed in 27 DEG C of water in the environment of above-mentioned nitrogen, is used after leaving the water surface
Blower is dried；
M. it paints to flat wire III, and carries out baking and forming at 380 DEG C, then flat wire III is naturally cold at room temperature
But；
N. take-up is drawn to get the flat enamel covered wire of finished product high tenacity.
Flat enamel covered wire sample 3 is obtained through the above steps.
Comparative result: by above-mentioned three kinds of embodiments, having respectively obtained three batches of flat enamel covered wires of high tenacity, sample 1,
Sample 2, sample 3.The coherent detection that three batches of samples are carried out respectively, meanwhile, the flat enamel-cover produced under enchashment row production technology
Copper wire sample 4 carries out detection comparison respectively, it can be deduced that as a result, the size order of ductile strength are as follows: 2 > sample of sample, 3 > sample
1 > sample 4 of product.In conjunction with the resulting data of detection, and pass through experimental check, it can be deduced that conclusion: what this process was produced
Flat enamel covered wire good toughness, plasticity are strong, have stronger resistance to deformation, meanwhile, it conducts electricity very well, is completely suitable for each
In class flattening, light-weighted abnormity component.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, other various corresponding changes and deformation can also can be made according to the above description of the technical scheme and ideas, and
All these change and deformation all should belong within the scope of protection of the claims of the present invention.
Claims (6)
1. a kind of production technology of the flat enamel covered wire of high tenacity, using copper bar as raw material, which is characterized in that specific process step
Are as follows:
A. unwrapping wire；
B. copper bar is aligned；
C. copper bar is heated to 100 DEG C, makes it through I extrusion forming of cold extrusion press, be circle at the mould outlet of cold extrusion press I
Shape, the circular diameter dimension of I mould outlet of cold extrusion press are 12 times of flat enamel covered wire target size width, obtain round wires I；
D. round wires I are passed through into II extrusion forming of cold extrusion press, the width, height dimension at II mould outlet of cold extrusion press are respectively
6 times, 30 times of flat enamel covered wire target size width, height, obtain flat wire I；
E. flat wire I is passed through into III extrusion forming of cold extrusion press, is circle, III mold of cold extrusion press at III mould outlet of cold extrusion press
4 times that circular diameter dimension is flat enamel covered wire target size width are exported, round wires II are obtained；
F. by round wires II by I extrusion forming of heat extruder, squeezing temperature setting is 540-560 DEG C, I mould outlet of heat extruder
Width, the height dimension at place are respectively flat enamel covered wire target size width, 3 times, 10 times of height, obtain flat wire II；
G. by flat wire II by II extrusion forming of heat extruder, squeezing temperature setting is 620-640 DEG C, and II mold of heat extruder goes out
It is circle at mouthful, the circular diameter dimension of II mould outlet of heat extruder is 2 times of flat enamel covered wire target size width, is obtained
To round wires III；
H. by round wires III by III extrusion forming of heat extruder, squeezing temperature setting is 540-560 DEG C, and III mold of heat extruder goes out
Width, height dimension at mouthful is bigger by 5% than width, the height dimension of flat enamel covered wire target size, obtains flat wire III；
I. flat wire III is cooled down using water, flat wire III is cooled to 50 DEG C or less；
J. ultrasonic cleaning is carried out to flat wire III；
K. flat wire III is at the uniform velocity subjected to unwrapping wire, it is made to carry out soft annealing by softening furnace in the environment of nitrogen, soften furnace temperature
Degree is set as 490-510 DEG C；
L. the flat wire III that temperature is 490-510 DEG C is immersed in the environment of above-mentioned nitrogen in 23-27 DEG C of water, after leaving the water surface
It is dried with blower；
M. it paints to flat wire III, and carries out baking and forming at 340-380 DEG C, then flat wire III is naturally cold at room temperature
But；
N. take-up is drawn to get the flat enamel covered wire of finished product high tenacity.
2. a kind of production technology of the flat enamel covered wire of high tenacity according to claim 1, which is characterized in that in step f
In, squeezing temperature setting is 550 DEG C.
3. a kind of production technology of the flat enamel covered wire of high tenacity according to claim 1, which is characterized in that in step g
In, squeezing temperature setting is 630 DEG C.
4. a kind of production technology of the flat enamel covered wire of high tenacity according to claim 1, which is characterized in that in step h
In, squeezing temperature setting is 550 DEG C.
5. a kind of production technology of the flat enamel covered wire of high tenacity according to claim 1, which is characterized in that in step k
In, the temperature setting of softening furnace is 500 DEG C.
6. a kind of production technology of the flat enamel covered wire of high tenacity according to claim 1, which is characterized in that in step m
In, baking and forming is carried out at 360 DEG C.
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| CN109166667A (en) * | 2018-08-15 | 2019-01-08 | 浙江东尼电子股份有限公司 | A kind of enameled wire manufacturing method with square cross-sectional shape |
| CN112872085A (en) * | 2020-12-25 | 2021-06-01 | 松田电工（台山）有限公司 | Wire drawing method and device suitable for flat wires of various specifications |
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| CN102294376A (en) * | 2011-08-31 | 2011-12-28 | 常州日月机械有限公司 | Continuous extrusion method and equipment for lead brass |
| CN102310118A (en) * | 2011-09-16 | 2012-01-11 | 常州日月机械有限公司 | High strength flat wire production technology and equipment |
| CN103710580A (en) * | 2012-10-05 | 2014-04-09 | 住友轻金属工业株式会社 | High-strength aluminum alloy extruded material and method for manufacturing the same |
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