CN113096854A - High-elongation high-conductivity aluminum alloy flexible wire and processing technology thereof - Google Patents
High-elongation high-conductivity aluminum alloy flexible wire and processing technology thereof Download PDFInfo
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- CN113096854A CN113096854A CN202110263686.3A CN202110263686A CN113096854A CN 113096854 A CN113096854 A CN 113096854A CN 202110263686 A CN202110263686 A CN 202110263686A CN 113096854 A CN113096854 A CN 113096854A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 98
- 238000005516 engineering process Methods 0.000 title description 20
- 239000002994 raw material Substances 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 191
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 184
- 239000007788 liquid Substances 0.000 claims description 108
- 238000003756 stirring Methods 0.000 claims description 72
- 238000005266 casting Methods 0.000 claims description 63
- 238000005096 rolling process Methods 0.000 claims description 38
- 238000003723 Smelting Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000000137 annealing Methods 0.000 claims description 20
- 238000004458 analytical method Methods 0.000 claims description 18
- 238000007670 refining Methods 0.000 claims description 18
- 238000009749 continuous casting Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 4
- 239000011241 protective layer Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 16
- 239000010949 copper Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000004020 conductor Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B1/023—Alloys based on aluminium
-
- 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
-
- 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
- H01B7/0045—Cable-harnesses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
Abstract
The invention discloses a high-extension high-conductivity aluminum alloy flexible wire which comprises a core body, wherein a wrapping layer is fixedly arranged outside the core body, an insulating layer is fixedly arranged outside the wrapping layer, and an outer protective layer is fixedly arranged outside the insulating layer. The aluminum alloy flexible wire can form thinner monofilaments through the process preparation of the aluminum alloy flexible wire, the diameter of the produced aluminum alloy flexible wire is in the range of 0.08-0.15mm, so that 6 types of wires can be produced, and the production requirement is further met2M, tensile strength 98-159MPa, elongationThe percentage is not less than 10%, which is beneficial to industrial implementation and application, the tensile strength and the elongation can be obviously improved by adding Si into the raw materials, and the aluminum alloy flexible wire has higher tensile strength and elongation by matching Si with elements such as Fe, Cu, Y, B and the like, and has better performance and high strength and high conductivity.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy flexible wire processing, and particularly relates to a high-elongation high-conductivity aluminum alloy flexible wire and a processing technology thereof.
Background
At present, most of electric conducting materials for power transmission are made of copper materials, but because of the shortage of domestic copper resources, about 70 percent of the copper materials need to be imported, and along with the increment of international copper prices, the investment cost of the conducting materials is higher and higher, and the resource consumption of the copper materials is overlarge. China is a country rich in aluminum and poor in copper, and China has a large amount of aluminum resources but cannot make full use of the aluminum resources, so that the waste is great. At present, the country advocates the establishment of a conservation-oriented society, and the industry encourages the adoption of aluminum to save copper.
For the aluminum alloy wire used in the communication cable, the aluminum alloy wire is required to have good tensile property, and is required to form thinner monofilaments, the minimum wiredrawing wire diameter of the wire is 0.300mm in the current GB/T30552-2014 standard, 6 types of wires cannot be produced, the minimum wiredrawing wire diameter cannot be met when 0.08-0.15mm thin wires are produced, and the existing aluminum alloy wire has low conductivity and poor extensibility and cannot be used as a cable conductor and an electromagnetic wire.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a high-elongation high-conductivity aluminum alloy flexible wire and a processing technology thereof, and solves the problems that thinner monofilaments cannot be produced, the conductivity is low and the extensibility is poor.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes the core, the outside fixed mounting of core has around the covering, the outside fixed mounting around the covering has the insulating layer, the outside fixed mounting of insulating layer has the outer jacket.
A high-elongation high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, wherein the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: less than or equal to 0.06 percent; fe: 0.3% -1.0%; cu: less than or equal to 0.03 percent; y: 0.01% -0.5%; b: 0.01% -0.3%; the balance being Al.
S2: high-temperature smelting: selecting aluminum ingots, weighing the aluminum ingots, adding the aluminum ingots into a smelting furnace, heating at a high temperature, adding the raw materials selected in the step S1 into the smelting furnace during heating, and stirring the raw materials to uniformly mix the raw materials with the molten aluminum ingots so as to form the aluminum liquid.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, then standing for a period of time, and removing scum on the surface of the aluminum liquid.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank.
S6: preparing an aluminum rod: and (3) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod.
S7: preparing an aluminum alloy flexible wire: and drawing the aluminum rod, sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, and then carrying out annealing treatment on the aluminum alloy flexible wire.
Preferably, Si is selected from S1, and by adding Si, tensile strength can be significantly improved, and elongation can be reduced.
Preferably, the S2 is selected to obtain aluminum ingots with the purity of more than 99.4 wt%.
Preferably, the heating temperature in the furnace in S2 is 780-850 ℃, the stirring mode is electric stirring, and the rotation speed of the electric stirring is 400-550 r/min.
Preferably, the stirring mode in S3 is electric stirring, the rotating speed of the stirring is 280-320r/min, and the standing time in S3 is 18-25 min.
Preferably, the casting temperature in S5 is 690-740 ℃, and the casting speed is 10-16 m/min.
Preferably, the rough rolling temperature in the S7 is 570-590 ℃, the finish rolling temperature is 480-520 ℃, and the final rolling temperature is 350-380 ℃.
Preferably, the annealing temperature in S7 is 240-340 ℃, and the annealing time is 4-10 h.
Preferably, the diameter of the aluminum alloy cord obtained in S7 is 0.08 to 0.15 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. the aluminum alloy flexible wire can form thinner monofilaments through the process preparation of the aluminum alloy flexible wire, the diameter of the produced aluminum alloy flexible wire is in the range of 0.08-0.15mm, so that 6 types of wires can be produced, and the production requirement is further met2The tensile strength is 98-159MPa, the elongation is not less than 10%, and the method is beneficial to industrial implementation and application.
2. According to the invention, through the coordination of Si and elements such as Fe, Cu, Y, B and the like, the aluminum alloy flexible wire has higher tensile strength and elongation, has better performance and high strength and high conductivity, and can effectively increase the power transmission capacity of the conductor.
Drawings
FIG. 1 is a schematic sectional view of an aluminum alloy wire according to the present invention.
In the figure: 1. a core body; 2. wrapping a covering; 3. an insulating layer; 4. an outer jacket.
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.
The first embodiment is as follows:
the invention provides a technical scheme that: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes core 1, and the outside fixed mounting of core 1 has around covering 2, has insulating layer 3 around the outside fixed mounting of covering 2, and the outside fixed mounting of insulating layer 3 has outer jacket 4.
A high-extension high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: 0.06 percent; fe: 1.0 percent; cu: 0.03 percent; y: 0.5 percent; b: 0.3 percent; the balance is Al, Si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
S2: high-temperature smelting: selecting an aluminum ingot, selecting an aluminum ingot with the purity of more than 99.4 wt% in S2, weighing the aluminum ingot, adding the aluminum ingot into a smelting furnace, heating at a high temperature, adding the raw material selected in S1 into the smelting furnace in the heating process, stirring the raw material and the molten aluminum ingot to uniformly mix so as to form aluminum liquid, wherein the heating temperature in the smelting furnace in S2 is 850 ℃, the stirring mode is electric stirring, and the rotation speed of the electric stirring is 550 r/min.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, then standing, and standing for a period of time, wherein scum on the surface of the aluminum liquid is removed, the stirring mode in S3 is electric stirring, the stirring speed is 320r/min, and the standing time in S3 is 25 min.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank at the casting temperature of 740 ℃ and the casting speed of 16m/min in the step (S5).
S6: preparing an aluminum rod: and (2) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod, wherein the roughing temperature is 590 ℃, the finish rolling temperature is 520 ℃, and the finish rolling temperature is 380 ℃ in S6.
S7: preparing an aluminum alloy flexible wire: and (3) drawing the aluminum rod, and sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, wherein the diameter of the aluminum alloy flexible wire obtained in the step S7 is 0.08-0.15mm, and then annealing the aluminum alloy flexible wire at the annealing temperature of 340 ℃ for 10h in the step S7.
Example two:
the invention provides a technical scheme that: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes core 1, and the outside fixed mounting of core 1 has around covering 2, has insulating layer 3 around the outside fixed mounting of covering 2, and the outside fixed mounting of insulating layer 3 has outer jacket 4.
A high-extension high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: 0.05 percent; fe: 0.9 percent; cu: 0.025 percent; y: 0.4 percent; b: 0.2 percent; the balance is Al, Si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
S2: high-temperature smelting: selecting an aluminum ingot, selecting an aluminum ingot with the purity of more than 99.4 wt% from S2, weighing the aluminum ingot, adding the aluminum ingot into a smelting furnace, heating at a high temperature, adding the raw material selected from S1 into the smelting furnace in the heating process, stirring the raw material and the molten aluminum ingot to uniformly mix so as to form aluminum liquid, wherein the heating temperature in the smelting furnace in S2 is 840 ℃, the stirring mode is electric stirring, and the rotating speed of the electric stirring is 5400 r/min.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, standing for a period of time, removing scum on the surface of the aluminum liquid, wherein the stirring mode in S3 is electric stirring, the stirring speed is 310r/min, and the standing time in S3 is 23 min.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank at the casting temperature of 725 ℃ and the casting speed of 15m/min in the step (S5).
S6: preparing an aluminum rod: and (2) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod, wherein the roughing temperature is 585 ℃, the finish rolling temperature is 520 ℃, and the finish rolling temperature is 375 ℃ in S6.
S7: preparing an aluminum alloy flexible wire: and (3) drawing the aluminum rod, and sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, wherein the diameter of the aluminum alloy flexible wire obtained in the step S7 is 0.08-0.15mm, and then annealing the aluminum alloy flexible wire at the annealing temperature of 320 ℃ for 9h in the step S7.
Example three:
the invention provides a technical scheme that: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes core 1, and the outside fixed mounting of core 1 has around covering 2, has insulating layer 3 around the outside fixed mounting of covering 2, and the outside fixed mounting of insulating layer 3 has outer jacket 4.
A high-extension high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: 0.04 percent; fe: 1.0 percent; cu: 0.01 percent; y: 0.25 percent; b: 0.1 percent; the balance is Al, Si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
S2: high-temperature smelting: selecting an aluminum ingot, selecting an aluminum ingot with the purity of more than 99.4 wt% in S2, weighing the aluminum ingot, adding the aluminum ingot into a smelting furnace, heating at a high temperature, adding the raw material selected in S1 into the smelting furnace in the heating process, stirring the raw material and the molten aluminum ingot to uniformly mix so as to form aluminum liquid, wherein the heating temperature in the smelting furnace in S2 is 800 ℃, the stirring mode is electric stirring, and the rotating speed of the electric stirring is 400 r/min.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, standing for a period of time, removing scum on the surface of the aluminum liquid, wherein the stirring mode in S3 is electric stirring, the stirring speed is 300r/min, and the standing time in S3 is 25 min.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank at the casting temperature of 700 ℃ and the casting speed of 10m/min in the step (S5).
S6: preparing an aluminum rod: and (2) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod, wherein the roughing temperature is 570 ℃, the finish rolling temperature is 500 ℃, and the finish rolling temperature is 360 ℃ in S6.
S7: preparing an aluminum alloy flexible wire: and (3) drawing the aluminum rod, and sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, wherein the diameter of the aluminum alloy flexible wire obtained in S7 is 0.08-0.15mm, and then annealing the aluminum alloy flexible wire at the annealing temperature of 300 ℃ in S7 for 10 h.
Example four:
the invention provides a technical scheme that: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes core 1, and the outside fixed mounting of core 1 has around covering 2, has insulating layer 3 around the outside fixed mounting of covering 2, and the outside fixed mounting of insulating layer 3 has outer jacket 4.
A high-extension high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: 0.02 percent; fe: 0.3%%; cu: 0.03 percent; y: 0.01 percent; b: 0.01 percent; the balance is Al, Si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
S2: high-temperature smelting: selecting an aluminum ingot, selecting an aluminum ingot with the purity of more than 99.4 wt% in S2, weighing the aluminum ingot, adding the aluminum ingot into a smelting furnace, heating at a high temperature, adding the raw material selected in S1 into the smelting furnace in the heating process, stirring the raw material and the molten aluminum ingot to uniformly mix so as to form aluminum liquid, wherein the heating temperature in the smelting furnace in S2 is 790 ℃, the stirring mode is electric stirring, and the rotating speed of the electric stirring is 420 r/min.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, standing for a period of time, removing scum on the surface of the aluminum liquid, wherein the stirring mode in S3 is electric stirring, the stirring speed is 295r/min, and the standing time in S3 is 20 min.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank at the casting temperature of 710 ℃ and the casting speed of 12m/min in the step (S5).
S6: preparing an aluminum rod: and (2) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod, wherein the roughing temperature in S6 is 575 ℃, the finish rolling temperature is 480 ℃, and the finish rolling temperature is 355 ℃.
S7: preparing an aluminum alloy flexible wire: and (3) drawing the aluminum rod, and sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, wherein the diameter of the aluminum alloy flexible wire obtained in the step S7 is 0.08-0.15mm, and then annealing the aluminum alloy flexible wire at the annealing temperature of 280 ℃ for 5h in the step S7.
Example five:
the invention provides a technical scheme that: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes core 1, and the outside fixed mounting of core 1 has around covering 2, has insulating layer 3 around the outside fixed mounting of covering 2, and the outside fixed mounting of insulating layer 3 has outer jacket 4.
A high-extension high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: 0.03 percent; fe: 0.5 percent; cu: 0.02 percent; y: 0.09%; b: 0.038%; the balance is Al, Si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
S2: high-temperature smelting: selecting an aluminum ingot, selecting an aluminum ingot with the purity of more than 99.4 wt% in S2, weighing the aluminum ingot, adding the aluminum ingot into a smelting furnace, heating at a high temperature, adding the raw material selected in S1 into the smelting furnace in the heating process, stirring the raw material and the molten aluminum ingot to uniformly mix so as to form aluminum liquid, wherein the heating temperature in the smelting furnace in S2 is 810 ℃, the stirring mode is electric stirring, and the rotating speed of the electric stirring is 455 r/min.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, then standing, and standing for a period of time, wherein scum on the surface of the aluminum liquid is removed, the stirring mode in S3 is electric stirring, the stirring speed is 290r/min, and the standing time in S3 is 21 min.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank at the casting temperature of 710 ℃ and the casting speed of 14m/min in the step (S5).
S6: preparing an aluminum rod: and (2) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod, wherein the roughing temperature is 585 ℃, the finish rolling temperature is 490 ℃, and the finish rolling temperature is 360 ℃ in S6.
S7: preparing an aluminum alloy flexible wire: and (3) drawing the aluminum rod, and sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, wherein the diameter of the aluminum alloy flexible wire obtained in the step S7 is 0.08-0.15mm, and then annealing the aluminum alloy flexible wire at the annealing temperature of 280 ℃ for 6h in the step S7.
Example six:
the invention provides a technical scheme that: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes core 1, and the outside fixed mounting of core 1 has around covering 2, has insulating layer 3 around the outside fixed mounting of covering 2, and the outside fixed mounting of insulating layer 3 has outer jacket 4.
A high-extension high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: 0.04 percent; fe: 0.6 percent; cu: 0.25 percent; y: 0.3 percent; b: 0.15 percent; the balance is Al, Si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
S2: high-temperature smelting: selecting an aluminum ingot, selecting an aluminum ingot with the purity of more than 99.4 wt% in S2, weighing the aluminum ingot, adding the aluminum ingot into a smelting furnace, heating at a high temperature, adding the raw material selected in S1 into the smelting furnace in the heating process, stirring the raw material and the molten aluminum ingot to uniformly mix so as to form aluminum liquid, wherein the heating temperature in the smelting furnace in S2 is 800 ℃, the stirring mode is electric stirring, and the rotating speed of the electric stirring is 420 r/min.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, then standing, and standing for a period of time, wherein scum on the surface of the aluminum liquid is removed, the stirring mode in S3 is electric stirring, the stirring speed is 300r/min, and the standing time in S3 is 19 min.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank at the casting temperature of 715 ℃ and the casting speed of 12m/min in the step (S5).
S6: preparing an aluminum rod: and (2) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod, wherein the roughing temperature is 580 ℃, the finish rolling temperature is 500 ℃, and the finish rolling temperature is 375 ℃ in S6.
S7: preparing an aluminum alloy flexible wire: and (3) drawing the aluminum rod, and sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, wherein the diameter of the aluminum alloy flexible wire obtained in the step S7 is 0.08-0.15mm, and then annealing the aluminum alloy flexible wire at the annealing temperature of 280 ℃ for 8h in the step S7.
Example seven:
the invention provides a technical scheme that: the utility model provides a high electrically conductive aluminum alloy patchcord of high extension, includes core 1, and the outside fixed mounting of core 1 has around covering 2, has insulating layer 3 around the outside fixed mounting of covering 2, and the outside fixed mounting of insulating layer 3 has outer jacket 4.
A high-extension high-conductivity aluminum alloy flexible wire and a processing technology thereof are disclosed, the manufacturing technology comprises the following steps:
s1: selecting raw materials: si: 0.01 percent; fe: 0.3 percent; cu: 0.01 percent; y: 0.01 percent; b: 0.01 percent; the balance is Al, Si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
S2: high-temperature smelting: selecting an aluminum ingot, selecting an aluminum ingot with the purity of more than 99.4 wt% in S2, weighing the aluminum ingot, adding the aluminum ingot into a smelting furnace, heating at a high temperature, adding the raw material selected in S1 into the smelting furnace in the heating process, stirring the raw material and the molten aluminum ingot to uniformly mix so as to form aluminum liquid, wherein the heating temperature in the smelting furnace in S2 is 780 ℃, the stirring mode is electric stirring, and the rotating speed of the electric stirring is 400 r/min.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, then standing, and standing for a period of time, wherein scum on the surface of the aluminum liquid is removed, the stirring mode in S3 is electric stirring, the stirring speed is 280r/min, and the standing time in S3 is 18 min.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank at the casting temperature of 690 ℃ and the casting speed of 10m/min in the step (S5).
S6: preparing an aluminum rod: and (2) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod, wherein the roughing temperature is 570 ℃, the finish rolling temperature is 480 ℃, and the finish rolling temperature is 350 ℃ in S6.
S7: preparing an aluminum alloy flexible wire: and (3) drawing the aluminum rod, and sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, wherein the diameter of the aluminum alloy flexible wire obtained in the step S7 is 0.08-0.15mm, and then annealing the aluminum alloy flexible wire at the annealing temperature of 240 ℃ for 4h in the step S7.
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 (10)
1. A high extension high-conductivity aluminum alloy flexible wire comprises a core body (1), and is characterized in that: the outside fixed mounting of core (1) has around covering (2), the outside fixed mounting around covering (2) has insulating layer (3), the outside fixed mounting of insulating layer (3) has outer jacket (4).
2. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 1, wherein: the manufacturing process comprises the following steps:
s1: selecting raw materials: si: less than or equal to 0.06 percent; fe: 0.3% -1.0%; cu: less than or equal to 0.03 percent; y: 0.01% -0.5%; b: 0.01% -0.3%; the balance being Al.
S2: high-temperature smelting: selecting aluminum ingots, weighing the aluminum ingots, adding the aluminum ingots into a smelting furnace, heating at a high temperature, adding the raw materials selected in the step S1 into the smelting furnace during heating, and stirring the raw materials to uniformly mix the raw materials with the molten aluminum ingots so as to form the aluminum liquid.
S3: purifying the aluminum liquid: adding a conventional refining agent into the aluminum liquid, fully stirring the aluminum liquid to ensure that the refining agent is fully contacted with the aluminum liquid, then standing for a period of time, and removing scum on the surface of the aluminum liquid.
S4: component adjustment: and performing chemical rapid analysis on the aluminum liquid in front of the furnace, adjusting the components of the aluminum liquid according to the weight ratio of the components in the formula after analysis, supplementing the aluminum liquid, and adjusting the content of each raw material to be within the formula range.
S5: casting aluminum liquid: and (4) putting the clean aluminum liquid obtained in the step (S3) into a casting machine for continuous casting, and casting the aluminum liquid into an aluminum alloy casting blank.
S6: preparing an aluminum rod: and (3) placing the aluminum alloy casting blank into a roughing mill for roughing, then carrying out finish rolling, and then carrying out finish rolling to manufacture the aluminum rod.
S7: preparing an aluminum alloy flexible wire: and drawing the aluminum rod, sequentially carrying out large drawing, medium drawing and small drawing to finally form an aluminum alloy flexible wire, and then carrying out annealing treatment on the aluminum alloy flexible wire.
3. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: si is selected from S1, and the tensile strength and the elongation can be obviously improved by adding Si.
4. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: and selecting an aluminum ingot with the purity of more than 99.4 wt% in the S2.
5. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: the heating temperature in the melting furnace in the S2 is 780-850 ℃, the stirring mode is electric stirring, and the rotating speed of the electric stirring is 400-550 r/min.
6. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: the stirring mode in the S3 is electric stirring, the rotating speed of the stirring is 280-320r/min, and the standing time in the S3 is 18-25 min.
7. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: the casting temperature in the S5 is 690-740 ℃, and the casting speed is 10-16 m/min.
8. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: the rough rolling temperature in the S6 is 570-590 ℃, the finish rolling temperature is 480-520 ℃, and the finish rolling temperature is 350-380 ℃.
9. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: the annealing temperature in the S7 is 240-340 ℃, and the annealing time is 4-10 h.
10. The high-elongation high-conductivity aluminum alloy cord as claimed in claim 2, wherein: the diameter of the aluminum alloy cord obtained in S7 is 0.08-0.15 mm.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021442A (en) * | 2010-09-21 | 2011-04-20 | 安徽亚南电缆厂 | Ultra-fine aluminum alloy wire and preparation method thereof |
| US20190096538A1 (en) * | 2016-03-25 | 2019-03-28 | Central South University | Lightweight, high-conductivity, heat-resistant, and iron-containing aluminum wire, and preparation process thereof |
| CN110643843A (en) * | 2019-07-01 | 2020-01-03 | 全球能源互联网研究院有限公司 | Soft aluminum wire and preparation method thereof |
| CN112259284A (en) * | 2020-12-17 | 2021-01-22 | 特变电工(德阳)电缆股份有限公司 | Aluminum alloy conductor flexible cable and preparation method thereof |
-
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- 2021-03-11 CN CN202110263686.3A patent/CN113096854A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021442A (en) * | 2010-09-21 | 2011-04-20 | 安徽亚南电缆厂 | Ultra-fine aluminum alloy wire and preparation method thereof |
| US20190096538A1 (en) * | 2016-03-25 | 2019-03-28 | Central South University | Lightweight, high-conductivity, heat-resistant, and iron-containing aluminum wire, and preparation process thereof |
| CN110643843A (en) * | 2019-07-01 | 2020-01-03 | 全球能源互联网研究院有限公司 | Soft aluminum wire and preparation method thereof |
| CN112259284A (en) * | 2020-12-17 | 2021-01-22 | 特变电工(德阳)电缆股份有限公司 | Aluminum alloy conductor flexible cable and preparation method thereof |
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Application publication date: 20210709 |