CN107945917A - A kind of novel aluminum Baogang conducting wire automobile electric wire and preparation method thereof - Google Patents
A kind of novel aluminum Baogang conducting wire automobile electric wire and preparation method thereof Download PDFInfo
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- CN107945917A CN107945917A CN201711256910.6A CN201711256910A CN107945917A CN 107945917 A CN107945917 A CN 107945917A CN 201711256910 A CN201711256910 A CN 201711256910A CN 107945917 A CN107945917 A CN 107945917A
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- steel wire
- baogang
- electric wire
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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
- H01B7/0009—Details relating to the conductive cores
-
- 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
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
Abstract
The invention discloses a kind of novel aluminum Baogang conductor automobile electric wire and preparation method thereof, aluminium Baogang conductor automobile electric wire includes：Conductor body, conductor are extruded from by aluminium and steel rolling, and the section of conductor body is filled square, and the section length of side of body is 2.8mm 11mm.Insulating layer is coated on the outer surface of body, and the section of insulating layer is hollow square, and the section length of side of insulating layer is 4.9mm 17.5mm.Aluminium Baogang conductor automobile electric wire according to embodiments of the present invention, compared with the aluminium Baogang conductor wire of traditional lay configuration, under identical rated current-carrying capacity, conductor material 5% 10% can be saved, and elongation at break is far above traditional copper stranded conductor and emerging aluminium stranded conductor, the aluminium Baogang conductor cable of square section is embodying the advantages of compact, overall dimensions aluminium Baogang conductor cable reduction 18 25% or so more twisted than tradition in structure.
Description
Technical field
The present invention relates to automobile electric wire technical field, particularly relates to a kind of novel aluminum Baogang conductor automobile electric wire
And preparation method thereof.
Background technology
It is well known that copper conductor is widely used in automobile electric wire industry already, automobile industry gradually start again by
Sight turns to the use of aluminium Baogang conductor, and environmental protection and energy saving are always the theme of current automobile industry, and lightweight also slowly becomes
Trend, since the good conductivity of copper conductor is in aluminium Baogang conductor, and conventional aluminum Baogang conductive surface cleannes are poor, the effect of production
Rate is not also high, and then the processing on automotive wire bundle influences greatly, therefore causes current automobile electric wire market still based on copper conductor.
The main reason for aluminum current Baogang conductor automobile electric wire can't be widely accepted has the following aspects：
1) traditional lay configuration aluminium Baogang conductive surface cleaning is very difficult, the production system either in automobile electric wire factory
Make or the processing in automobile thread ＆ bind factory, conductive surface are all easy to oxidation, this is caused greatly to harness factory when connector is processed
Difficulty, especially automobile electric wire in use, due to conductor indium area expand, cause the resistance of conductor to increase,
Wire temperature rises, and automobile electric wire service life is greatly reduced；
2) difference between copper conductor and aluminium Baogang conductor electrical performance：The resistivity of copper conductor is 0.01724 Ω mm2/ m, leads
Electric rate is 100IACS；The resistivity of aluminium Baogang conductor is 0.04174mm2/ m, electrical conductivity 41.3IACS, therefore, in phase single-candidate
Determine under current-carrying capacity, the sectional area of the aluminium Baogang conductor of traditional lay configuration is twice left and right than copper conductor, if aluminium Baogang
Conductor 2-3 specification bigger than copper conductor, corresponding automobile electric wire diameter will also increase 35-45%；
3) spark-over rate is substantially higher than copper conductor automobile electric wire in production for traditional lay configuration aluminium Baogang conductor automobile electric wire.
Traditional automobile electric wire conductor is processed and mainly uses the technique such as wire drawing, bunch, twisted, and the mechanical performance of aluminium Baogang and copper phase
Than case hardness is low, and conductor toughness is strong, though the defects of overall be not easy to break, but surface easily produces overhauling and overlap.This
A little is all to cause aluminium Baogang conductor by the main reason for the puncturing that cremate.If automobile electric wire manufacturing process cannot be solved fundamentally
The defects of above-mentioned aluminium Baogang conductor shows problem, is difficult to Shi Lv Baogangs conductor in automobile electric wire as copper conductor
It is used widely.
The content of the invention
The present invention seeks to solve one of above-mentioned technical problem to a certain extent.For this reason, the present invention proposes that one kind is new
Aluminium Baogang conductor automobile electric wire, has and occupies little space, contact resistance is small, and convenience for ultrasonic wave soldering connects, the advantages such as cost is low.
Present invention also offers a kind of preparation method of the aluminium Baogang conductor automobile electric wire according to above-described embodiment.
Aluminium Baogang conductor automobile electric wire according to embodiments of the present invention, including：The conductor of automobile electric wire is made of aluminium Baogang,
The conductor body is extruded from by aluminium and steel rolling, and the section of conductor body is filled square, and the section length of side of body is
2.8mm-11mm.Insulating layer is coated on the outer surface of conductor body, and the section of insulating layer is hollow square, and insulating layer is cut
Face length is 4.9mm-17.5mm.Aluminium Baogang conductor automobile electric wire according to embodiments of the present invention, Baogang leads with lay configuration aluminium
Body is compared, and under identical rated current-carrying capacity, can save conductor material 5%-10%, and elongation at break is far above tradition
Copper stranded conductor and emerging aluminium stranded conductor, the aluminium Baogang conductor cable of square section embodied in structure tightly
The advantages of gathering, overall dimensions aluminium Baogang conductor cable more twisted than tradition reduce 18-25% or so.
In addition, aluminium Baogang conductor automobile electric wire according to the above embodiment of the present invention also has following technical characteristic：
According to one embodiment of present invention, aluminium Baogang conductor wire in 20 DEG C of largest conductor resistance in 0.561-
Between 9.208m Ω/m, according to one embodiment of present invention, the section of the conductor body is square structure, the insulation
The hollow square structure in the section of layer.According to one embodiment of present invention, the sectional area of the body is in 3.24-121mm2
Between.
The preparation method of the novel aluminum Baogang conductor automobile electric wire of the embodiment of the present invention comprises the following steps：
Step1, by the aluminium bar of surface cleaning aligning to below curvature 2.5mm/m；
Step2, cleaned the aluminium bar after aligning；
Step3, pre-process steel wire；
Step4, by clad welded machine by aluminium bar extrusion cladding outside steel wire, and to rolling be squeezed into square conductor carry out
Cooling, take-up；
Step5, carry out conductor insulating exruded to form insulating layer in conductor periphery, obtains the aluminium Baogang conductor automobile electricity
Line；
The step Step2 includes：
Step21, scrub the aluminium bar after aligning to remove the pollutant and some Remaining debris on aluminium base surface repeatedly；
Step22, the use of pH value is 7.5-9.5, alkalescent cleaning solution that concentration is 3.5%-5.8% it is right at 50 DEG C -60 DEG C
Aluminium bar is cleaned to remove the greasy dirt and oxide of aluminium rod surface, the minimum 6s of scavenging period；
Step23, again clean aluminium bar with distilled water, makes sure to keep in mind to use tap water, avoids re-oxidation aluminium bar；
The step Step3 includes：
Step31 pre-processes steel wire, chooses steel wire of the line footpath in 2.6-10mm, removes the oxide layer of steel wire surface, drawing
Steel wire is to line footpath 2.2-8.8mm；
Steel wire is carried out temper by Step32, and control temperature is at 480 DEG C -580 DEG C, when control time 0.5-1.5 is small；
Steel wire surface is crude after Step33 processing tempering, in order to provide the steel wire of surface cleaning；
The step Setp4 includes：
Aluminium bar and steel wire, be sent into clad welded machine by Step41 at the same time, and aluminium bar is crimped and wrapped in clad welded machine
Overlay in steel wire surface, the steel wire by cladding enters in the clad welded case full of inert gas, and aluminium bar is handled, is made
It forms aluminum pipe；
Step42 stretches semi-finished product, removes the gap being formed between aluminum pipe and steel wire, ensures compression ratio in 8%-18%
Between, make the gap of aluminium lamination and steel wire in 0.08mm or so；
Step43 carries out the material after stretching 2-4 rolling, ensures that rolling reduction is no more than 25%, and be maintained at and rolled
220 DEG C -420 DEG C of on-line heating is maintained at into trip temperature in journey to material, finally the conductor after rolling is extruded to obtain the length of side
For the square aluminum-clad steel wire of 2.8-11.00mm；
Step44, passed through cold rinse bank by aluminum-clad steel wire and be cooled to 30 DEG C -40 DEG C, is sent through overtension lead frame to coiling machine；
Step45, make conductor by measuring device to record length, is stored in eventually through take-up on Wire winding shaft；
The step Step5 includes：
Step51, by the conductor body unwrapping wire；
Step52, by the conductor body be preheated to 85 DEG C -105 DEG C by preheater before extruder；
Step53, carry out conductor insulating exruded to form insulating layer in conductor periphery, obtains the aluminium Baogang conductor automobile
Electric wire；
In the step Step5, insulating exruded to conductor progress using 90 plastic extruders of Φ, insulating exruded temperature is
165 DEG C -220 DEG C, insulating exruded machine screw compression ratio is 1:1.25.
Advantages of the present invention and additional content will be set forth in part in the description, partly will from the following description
Become obvious, can also be recognized more on advantages of the present invention by practice.
Brief description of the drawings
Feature of the present invention can be easy to understand in the description from drawings described below to embodiment, wherein：
Fig. 1 is the profile of aluminium Baogang conductor automobile electric wire according to embodiments of the present invention；
Fig. 2 is the flow chart of the preparation method of aluminium Baogang conductor automobile electric wire according to embodiments of the present invention.
The embodiment of the present invention can be discussed in more detail below, and the example of the embodiment can also be shown in the accompanying drawings
Go out, wherein same or similar label represents same or similar element, the embodiment of attached drawing description is intended for explaining this hair
It is bright, help to be better understood from, but the present invention cannot be simultaneously limited, its whole is not represented.
Aluminium conductor automobile electric wire according to embodiments of the present invention is specifically described with reference to attached drawing first, as shown in Figure 1, according to this
The aluminium Baogang conductor automobile electric wire of inventive embodiments includes conductor body 1 and insulating layer 2.
Specifically, conductor body 1 is extruded from by aluminium and steel rolling, and the section of body 1 is square, and body 1 is cut
Face length is 2.8-11mm, and insulating layer 2 is coated on the outer surface of body 1, and the section of insulating layer 2 is hollow square, insulation
The cross-sectional length of layer 2 is 4.9-17.5mm.It may also be said that aluminium Baogang conductor automobile electric wire according to embodiments of the present invention mainly by
Conductor body 1 and insulating layer 2 form, wherein, the section of body 1 is square, and the length of side of square body 1 is in 2.8-
In the range of 11mm.The section of insulating layer 2 is the hollow square for the periphery for being coated on body 1, and square insulating layer 2
The length of side is in the range of 4.9-17.5mm.Thus, aluminium Baogang conductor automobile electric wire according to embodiments of the present invention, with lay configuration
Aluminium Baogang conductor is compared, and under identical rated current-carrying capacity, can save material 5%-10%, elongation at break is far above tradition
Copper stranded conductor and emerging aluminium stranded conductor, the aluminium Baogang conductor cable of square section embodied in structure tightly
The advantages of gathering, overall dimensions aluminium Baogang conductor cable more twisted than tradition reduce 18-25% or so, the making of aluminium Baogang conductor wire
Technique may insure that dimensional discrepancy is controlled completely, greatly improve precision, and contact resistance is small, is conducive to supersonic welding
Connect.
According to one embodiment of present invention, aluminium Baogang conductor automobile electric wire in 20 DEG C of largest conductor resistance in 0.561-
Between 9.208m Ω/m.Further, 1 sectional area of conductor body is in 3.24-121mm2Between.The aluminium Baogang of the embodiment of the present invention
The sectional area and resistance requirement of conductor automobile electric wire meet standard GB ∕ T17937-2009 aluminum for electric engineering steel clad wires and international standard
Requirement and regulation in ISO6722-2 road vehicles.The specification ginseng of aluminium Baogang conductor automobile electric wire according to embodiments of the present invention
Number can use the parameter listed by table 1 below.
The preferred specifications parameter of 1 aluminium Baogang conductor automobile electric wire of table.
Aluminium Baogang conducting wire 1 according to embodiments of the present invention has following excellent compared to traditional lay configuration aluminium Baogang conductor
Point：
First, the resistivity of aluminium Baogang conductor automobile conductor 1 according to embodiments of the present invention is 0.04174mm2/m, and electrical conductivity is
41.3IACS, tensile strength 680MPa., can be with identical rated current-carrying capacity compared with lay configuration aluminium Baogang conductor
Material 5%-10% is saved, elongation at break is also far above traditional copper stranded conductor；
2nd, the fill factor of aluminium Baogang conductor automobile conducting wire 1 according to embodiments of the present invention is about 0.95, and traditional structure is led
The fill factor of line is about 0.74, even if using the mode of pressing, the fill factor of the conductor of layer-stranding also can only achieve 0.85
Left and right, in contrast, the reduced diameter of novel conductor 6%-10%.Therefore, aluminium Baogang conducting wire 1 according to embodiments of the present invention
Compact-sized, size ratio tradition stranded aluminum conductor reduces 18%-25% or so；
3rd, the semiconductor process of aluminium Baogang conducting wire 1 according to embodiments of the present invention may insure that dimensional discrepancy is controlled completely, greatly
Big to improve precision, novel conductor shape is controlled mainly in the design of mould, as long as mould meets design requirement, it is ensured that production
Quality, rather than traditional manufacturing process, is frequently subjected to molding die configuration and string diameter tolerance, the influence of monofilament quality；
Four, almost air-gap-free inside the conducting wire of aluminium Baogang conducting wire 1 according to embodiments of the present invention, insulating layer 2 and conductor body 1 it
Between be in close contact, gap-ratio stranded conductor is much smaller more, and conductive surface product is smaller than stranded conductor surface area so that
It is small with air contact surfaces, reduce the probability that conductor is aoxidized.In addition, aluminium Baogang conductor 1 according to embodiments of the present invention as
The previously mentioned processing for also facilitating harness factory at conductor tab；
5th, compared to traditional lay configuration aluminium Baogang conductor single wire surface can be infected with substantial amounts of greasy dirt the defects of, the present invention
The smooth rounding of conductive surface of the aluminium Baogang conductor 1 of embodiment, cleanliness without any pollution, is more conducive to ultrasonic bonding；
6th, aluminium Baogang conductor 1 according to embodiments of the present invention is not only with short production cycle compared with the conductor of traditional lay configuration,
And cost is also low.Continuous extruder can be used in production, is needed completely without as traditional lay configuration conductor
The multiple working procedure such as wire drawing, bunch, twisted, the production cycle is long and cost is huge；
The preparation method of aluminium Baogang conductor automobile electric wire according to embodiments of the present invention is specifically described below in conjunction with the accompanying drawings.
As shown in Fig. 2, the preparation method of aluminium Baogang conductor automobile electric wire according to embodiments of the present invention comprises the following steps：
Step1, by the aluminium bar of surface cleaning aligning to below curvature 2.5mm/m；
Step2, cleaned the aluminium bar after aligning；
Step3, pre-process steel wire；
Step4, by clad welded machine by aluminium bar extrusion cladding outside steel wire, and to rolling be squeezed into square conductor 1 into
Row cooling, take-up；
Step5, carry out conductor insulating exruded to form insulating layer 2 in conductor periphery, obtains the aluminium Baogang conductor automobile
Electric wire；
It is possible thereby to which aluminium Baogang conductor automobile electric wire according to the above embodiment of the present invention is made, the preparation method feasibility is strong,
Easy to operate and with short production cycle, cost is low, can be used as and promote the use of.Specifically, aluminium Baogang according to embodiments of the present invention
The preparation method of conductor automobile electric wire mainly includes the insulation of the extrusion forming and automobile electric wire of square aluminium Baogang conductor body
Extrusion.The cleaning process for aligning square aluminum Baogang conductor body first below is described in detail.
Aluminium base unwrapping wire is carried out first:, will using the clean aluminum for electric engineering bar blank of diameter Ф 9.5mm ± 0.2mm and surface
Aluminium bar is sent into straightener, and intersecting straightener by multiple roll is aligned, and curvature is less than 2.5mm/m, successfully to lead to
Ultrasonic cleaning equipment is crossed, then blank is cleaned.Cleaning process, i.e. step Step2 include：
Step21, scrub the aluminium bar after aligning to remove the pollutant and some Remaining debris on aluminium base surface repeatedly；
Step22, the use of pH value is 7.5-9.5, alkalescent cleaning solution that concentration is 3.5%-5.8% it is right at 50 DEG C -60 DEG C
Aluminium bar is cleaned to remove the greasy dirt and oxide of aluminium rod surface, the minimum 6s of scavenging period；
Step23, again clean aluminium bar with distilled water, makes sure to keep in mind to use tap water, avoids re-oxidation aluminium bar.
Cleaning process can include common scrub process and ultrasonic cleaning process, specific as follows：
Common scrub：Remove the chip and pollutant on surface.Ultrasonic cleaning：Remove the greasy dirt of aluminium rod surface, oxide etc..Clearly
Between 3.5%-5.8%, pH sizes determine washing lotion concentration according to the pollution level on surface, generally 7.5 ± 1, then use again
Pure distilled water cleaning.The optimal clean temperature of cleaning solution is 55 ± 5 DEG C, coordinates speed of production to ensure scavenging period at 6 seconds
More than.
Secondly, the rolling extrusion forming for aligning square aluminum Baogang conductor body is described in detail.Specific steps Step3 and
Step4 includes：
Step31 pre-processes steel wire, chooses steel wire of the line footpath in 2.6-10mm, removes the oxide layer of steel wire surface, drawing
Steel wire is to line footpath 2.2-8.8mm；
Steel wire is carried out temper by Step32, and control temperature is at 480 DEG C -580 DEG C, when control time 0.5-1.5 is small；
Steel wire surface is crude after Step33 processing tempering, in order to provide the steel wire of surface cleaning；
Aluminium bar and steel wire, be sent into clad welded machine by Step41 at the same time, and aluminium bar is crimped and wrapped in clad welded machine
Overlay in steel wire surface, the steel wire by cladding enters in the clad welded case full of inert gas, and aluminium bar is handled, is made
It forms aluminum pipe；
Step42 stretches semi-finished product, removes the gap being formed between aluminum pipe and steel wire, ensures compression ratio in 8%-18%
Between, make the gap of aluminium lamination and steel wire in 0.08mm or so；
Step43 carries out the material after stretching 2-4 rolling, ensures that rolling reduction is no more than 25%, and be maintained at and rolled
220 DEG C -420 DEG C of on-line heating is maintained at into trip temperature in journey to material, finally the conductor after rolling is extruded to obtain the length of side
For the square aluminum-clad steel wire of 2.8-11.00mm；
Step44, passed through cold rinse bank by aluminum-clad steel wire and be cooled to 30 DEG C -40 DEG C, is sent through overtension lead frame to coiling machine；
Step45, make conductor 1, to record length, be stored in by measuring device eventually through take-up on Wire winding shaft；
Specifically, according to the specification of the aluminum-clad steel wire finished product of pretreatment, the steel wire that line footpath is 2.6-10mm is chosen, raw material uses carbon
Mass fraction be 0.15%~0.65% Fine Steel Casting iron, need to remove the oxide layer of steel surface before cladding, then use steel
The careful brushing of wire brush 3 times or so, reaches non-scale and other media, then is pulled to the line footpath 2.2- that cladding needs
8.8m, temper, 480 DEG C -580 DEG C of temperature, when tempering time 0.5-1.5 is small are carried out by the good steel wire of brushing.
Clad welded：Aluminium bar and steel wire are sent into continuous clad welded machine at the same time, to aluminium bar in continuous clad welded machine
It is crimped, and is coated on steel wire surface, forms aluminium Baogang, enter back into full of inert gas（Common argon or nitrogen）Cladding weldering
Connect in case, the side of aluminium strip after cans is carried out by argon arc welding by argon arc welding, aluminum pipe is formed it into, with 6-12 meters per minute
The shaping of speed continuous clad welded, will cladding semi-finished product by just stretching, reduce the gap between aluminium and steel, compression ratio exists
8%-18% or so, just the gap after stretching between aluminium and steel is in 0.08mm or so；Just the material after stretching is again by rolling 2-4 times
Undergauge is carried out, aluminum-clad steel wire material surface is carried out high frequency on-line heating, temperature by rolling reduction in 25% or so, the operation of rolling
220 DEG C of -420 DEG C of processing are maintained at, which can make aluminium lamination be in partly to melt state, be conducive to the combination of aluminium and steel；Adopted after rolling
Aluminium Baogang is extruded with continuous extruder, extrusion compression ratio is 1:105, extrusion temperature is 400 DEG C -600 DEG C, by continuous
Extruding finally obtains conductor body 1 of the section for square.
The extrusion of insulating layer 2 on body 1 according to embodiments of the present invention is detailed below.
Specifically, according to one embodiment of present invention, the step Step5 includes：
Step51, by 1 unwrapping wire of conductor body；
Step52, by the conductor body 1 be preheated to 85 DEG C -105 DEG C by preheater before extruder；
Step53, carry out conductor 1 insulating exruded to form insulating layer 2 in conductor periphery, obtains the aluminium Baogang conductor vapour
Trolley wire；
Wherein, in step Step5, insulating exruded, insulating exruded compression carries out conductor body 1 using 90 plastic extruders of Φ
Than for 1:1.25, insulating exruded temperature is 165 DEG C -220 DEG C, its master operation includes：
--- conductor pre-heating --- insulating exruded --- cooling --- Spark plug optical fiber sensor --- take-up of conductor unwrapping wire.
Specifically, first into column conductor unwrapping wire, conductor pay-off equipment and conventional stranded conductor electric wire production equipment basic one
Cause.Then conductor pre-heating is carried out, using online conductor pre-heating equipment, between conductor temperature is heated to 85-105 DEG C, to eliminate
Insulating inner stress.Then carry out it is insulating exruded, it is as follows using 90 plastic extruders of Φ, plastic extruder arrange parameter：Insulation
Extrude compression ratio：1:1.25；Insulating exruded temperature：165℃-220℃；Insulating exruded mould uses plsitive mold.Insulation is squeezed
It is 5165 type automobile electric wire PP Pipe Compounds to go out the PVC material used, and long-term heat resisting temperature is 110 DEG C or so.Insulating exruded each warm area
Temperature is by each bringing-up section from 165 DEG C to 190 DEG C.It is possible thereby to the extrusion insulating layer 2 on body 1 is realized, so as to obtain aluminium Baogang
Conductor automobile electric wire.
Below by way of the performance and advantage of specific embodiment further instruction automobile electric wire of the present invention.
Embodiment：
30mm is produced using the preparation method of the aluminium Baogang conductor automobile electric wire of the embodiment of the present invention2The square vapour of PVC insulation
Trolley wire, as embodiment, prepares circular twisted aluminium Baogang electric wire as a comparison, by embodiment and comparative example using conventional method
Full performance test, and particular curve experiment are carried out, to investigate the mechanical performance of electric wire and bending property.Experimental result is shown in Table 2.
2 automobile electric wire mechanical performance of table and bending property detection table
By detection, the properties of aluminium Baogang electric wire according to embodiments of the present invention all meet standard regulation.Although at present also
There is not the specific flexibility index of standard regulation automobile electric wire, but in order to compare difference, inventor uses the difference of same specification
The automobile electric wire of conductor structure does static buckling experiment and cyclic bending experiment, and experiment shows the curved of novel conductor and conventional conductor
Qu Xingneng is basically identical, and the bending force of circular lay configuration cable is suitable.And the cyclic bending of square conductor automobile electric wire
Number is compared with circular lay configuration and decreased.In addition, using the automobile electric wire of square conductor than circular lay configuration
The material that conductor automobile electric wire uses will lack, and wherein conductor has saved 8%, and insulating materials has saved 6-10%, along with its other party
The saving novel conductor in face is integrally more twisted than tradition to save 15% or so.
The all of above description for the embodiment of the present invention, is in order to which more preferably more easily understanding is of the invention, but simultaneously can not
To limit the present invention, its whole is not represented.
Claims (3)
1. a kind of preparation method of novel aluminum Baogang conductor automobile electric wire,
The conductor of novel electric wire for automobile is made of aluminium Baogang, and the conductor body is extruded from by aluminium and steel rolling, conductor body
Section be filled square, the section length of side of body is 2.8mm-11mm.
2. insulating layer is coated on the outer surface of conductor body, the section of insulating layer is hollow square, and the section of insulating layer is grown
Spend for 4.9mm-17.5mm.
3. the aluminium Baogang conductor automobile electric wire is in 20 DEG C of largest conductor resistance between 0.561-9.208m Ω/m；It is described to lead
Body section product is in 3.24-121mm2Between；
Its preparation process comprises the following steps：
Step1, by the aluminium bar of surface cleaning aligning to below curvature 2.5mm/m；
Step2, cleaned the aluminium bar after aligning；
Step3, pre-process steel wire；
Step4, by clad welded machine by aluminium bar extrusion cladding outside steel wire, and to rolling be squeezed into square conductor carry out
Cooling, take-up；
Step5, carry out conductor insulating exruded to form insulating layer in conductor periphery, obtains the aluminium Baogang conductor automobile electricity
Line；
The step Step2 includes：
Step21, scrub the aluminium bar after aligning to remove the pollutant and some Remaining debris on aluminium base surface repeatedly；
Step22, the use of pH value is 7.5-9.5, alkalescent cleaning solution that concentration is 3.5%-5.8% it is right at 50 DEG C -60 DEG C
Aluminium bar is cleaned to remove the greasy dirt and oxide of aluminium rod surface, the minimum 6s of scavenging period；
Step23, again clean aluminium bar with distilled water, makes sure to keep in mind to use tap water, avoids re-oxidation aluminium bar；
The step Step3 includes：
Step31 pre-processes steel wire, chooses steel wire of the line footpath in 2.6-10mm, removes the oxide layer of steel wire surface, drawing
Steel wire is to line footpath 2.2-8.8mm；
Steel wire is carried out temper by Step32, and control temperature is at 480 DEG C -580 DEG C, when control time 0.5-1.5 is small；
Steel wire surface is crude after Step33 processing tempering, in order to provide the steel wire of surface cleaning；
The step Setp4 includes：
Aluminium bar and steel wire, be sent into clad welded machine by Step41 at the same time, and aluminium bar is crimped and wrapped in clad welded machine
Overlay in steel wire surface, the steel wire by cladding enters in the clad welded case full of inert gas, and aluminium bar is handled, is made
It forms aluminum pipe；
Step42 stretches semi-finished product, removes the gap being formed between aluminum pipe and steel wire, ensures compression ratio in 8%-18%
Between, make the gap of aluminium lamination and steel wire in 0.08mm or so；
Step43 carries out the material after stretching 2-4 rolling, ensures that rolling reduction is no more than 25%, and be maintained at and rolled
220 DEG C -420 DEG C of on-line heating is maintained at into trip temperature in journey to material, finally the conductor after rolling is extruded to obtain the length of side
For the square aluminum-clad steel wire of 2.8-11.00mm；
Step44, passed through cold rinse bank by aluminum-clad steel wire and be cooled to 30 DEG C -40 DEG C, is sent through overtension lead frame to coiling machine；
Step45, make conductor by measuring device to record length, is stored in eventually through take-up on Wire winding shaft；
The step Step5 includes：
Step51, by the conductor body unwrapping wire；
Step52, by the conductor body be preheated to 85 DEG C -105 DEG C by preheater before extruder；
Step53, carry out conductor insulating exruded to form insulating layer in conductor periphery, obtains the aluminium Baogang conductor automobile
Electric wire；
In the step Step5, insulating exruded to conductor progress using 90 plastic extruders of Φ, insulating exruded temperature is
165 DEG C -220 DEG C, insulating exruded machine screw compression ratio is 1:1.25.
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| CN201711256910.6A CN107945917A (en) | 2017-12-04 | 2017-12-04 | A kind of novel aluminum Baogang conducting wire automobile electric wire and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742889A (en) * | 2021-03-13 | 2021-05-04 | 新余新钢金属制品有限公司 | Production line of low stress relaxation aluminium package steel wire |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900300A (en) * | 2015-06-12 | 2015-09-09 | 成羽 | Aluminium-covered steel wire and manufacturing process therefor |
| CN105118549A (en) * | 2015-09-14 | 2015-12-02 | 北京福斯汽车电线有限公司 | Aluminum conductor automobile wire and preparation method thereof |
-
2017
- 2017-12-04 CN CN201711256910.6A patent/CN107945917A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900300A (en) * | 2015-06-12 | 2015-09-09 | 成羽 | Aluminium-covered steel wire and manufacturing process therefor |
| CN105118549A (en) * | 2015-09-14 | 2015-12-02 | 北京福斯汽车电线有限公司 | Aluminum conductor automobile wire and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742889A (en) * | 2021-03-13 | 2021-05-04 | 新余新钢金属制品有限公司 | Production line of low stress relaxation aluminium package steel wire |
| CN112742889B (en) * | 2021-03-13 | 2023-02-28 | 新余新钢金属制品有限公司 | Production line of low stress relaxation aluminium package steel wire |
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