CN106298074B - A kind of YJV cable conductors annealing process - Google Patents
A kind of YJV cable conductors annealing process Download PDFInfo
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- CN106298074B CN106298074B CN201610792917.9A CN201610792917A CN106298074B CN 106298074 B CN106298074 B CN 106298074B CN 201610792917 A CN201610792917 A CN 201610792917A CN 106298074 B CN106298074 B CN 106298074B
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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
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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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
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- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a kind of YJV cable conductors annealing process, comprise the following steps：The cleaning of cable conductor, preheating, heating, insulation and cooling, by by the cable conductor after twisting and handle through overcompaction tempering heating before, pickling processes are carried out in immersion descaling bath, the oil emulsion of cable conductor remained on surface is removed, the soda bath being then immersed in neutralization chamber neutralizes the acid solution of residual, the oil emulsion of cable conductor remained on surface can effectively be removed, temper is carried out to Stranded cable conductor, lift the conductance and pliability of cable conductor, the oil emulsion remained on cable conductor can be avoided to produce speckle when carrying out heating tempering simultaneously influences the finish of cable conductor, contrast existing YJV cable conductors annealing process good with cable conductor surface smoothness after annealing, there is no greasy dirt speckle, cable conductor pliability is good after annealing, the high advantage of conductance.
Description
Technical field
The present invention relates to copper wire annealing technology field, more particularly to a kind of YJV cable conductors annealing process.
Background technology
Existing conventional YJV cables press the cable for twisting and constituting for stranded conductor, in electric wire, it will usually select
Make annealing treatment to lift the pliability and electric conductivity of cable conductor；Some current producers are moved back before compressing cable conductor is stranded
Fire, so do press it is stranded cannot be good press that loose, the rigid stress of effect, core is strong, flexility is poor and electric conductivity
Can be low, and existing annealing process, the oil emulsion that Stranded cable conductive surface is remained is not cleaned before annealing, caused
There is speckle after annealing in Stranded cable conductor, influences the surface smoothness of cable conductor, reduces leading for Stranded cable conductor
Electric rate, and make it that the hardness height of Stranded cable conductor, pliability are poor.Accordingly, it would be desirable to be carried out to YJV cable conductors annealing process
Optimization processing is come the deficiency that solves the above problems.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of YJV cable conductors proposed are moved back
Ignition technique.
To achieve these goals, present invention employs following technical scheme：
The present invention proposes a kind of YJV cable conductors annealing process, comprises the following steps：
S1, cable conductor electrochemistry drawing；It is in electrolyte prescription by cable conductor, 10-80g/LNaOH, 25-80g/L
Nonionic oil emulsion, surplus are distilled water, and current density is 10mA/cm2~100mA/cm2, drawing speed be 0.10m/s~
Thread cable conductor is drawn under 0.50m/s technological parameter；
S2, compressing cable conductor twist and；Thread cable conductor is pressed into strand and curl Stranded cable by wire twisting machine
Conductor；
S3, cable conductor cleaning；It is 2%- by acid solution in pickling, descaling bath is carried out in Stranded cable conductor immersion descaling bath
The sulfuric acid solution of 15% weight；Carry out being 1%- in acid solution neutralization, neutralization chamber in cable conductor immersion neutralization chamber after pickling
The soda bath of 5% weight；
S4, cable conductor preheating；Pre-heating drying is carried out to Stranded cable conductor using air-heater, the molten of remained on surface is removed
Liquid；
S5, cable conductor heating；First annealing furnace 15-45min is purged to replace furnace gas with nitrogen or carbon dioxide,
Stranded cable conductor after pre-heating drying is delivered in tempering furnace, with 255 DEG C -275 DEG C of temperature slow heating heating 10-
30min；
S6, cable conductor insulation；By the Stranded cable conductor after slow heating treatment be placed in tempering furnace 255 DEG C-
6-8 hours are incubated at a temperature of 275 DEG C；
S7, cable conductor cooling；Tempering furnace stops heating and thermal insulation, small using 50-80 DEG C/h of cooling velocity and 3-4
When cool time, when Stranded cable conductor temperature is down to 40 DEG C -50 DEG C, Stranded cable conductor is taken out to sky from tempering furnace
It is cooled to room temperature.
It is preferred that, the tempering furnace is seal electric heating tempering furnace, has been filled with carbon dioxide or nitrogen in device furnace body, and
And in heating and insulating process, all the time with 20-120m3/ h flow is continually fed into carbon dioxide or nitrogen to annealing furnace.
It is preferred that, the cable conductor handles winding apparatus and rolls discoid cable and lead after thread cable conductor is pulled into
Body.
A kind of YJV cable conductors annealing process proposed by the present invention, beneficial effect is：The YJV cable conductors of the present invention
Annealing process is by the way that before tempering heating, the cable conductor after twisting and handle through overcompaction is carried out into pickling in immersion descaling bath
Processing, the oil emulsion of cable conductor remained on surface is removed, and the soda bath being then immersed in neutralization chamber neutralizes the acid of residual
Liquid, then carries out tempering isothermal holding to Stranded cable conductor, lifts the conductance and pliability of cable conductor, eliminates because pressing
The unfavorable factor such as high resistance, pliability difference for twisting and being produced to cable conductor, while cable conductor surface can effectively be removed
The oil emulsion of residual, it is to avoid the oil emulsion remained on cable conductor produces speckle influence cable conductor when carrying out heating tempering
Finish, while improving the conductance and pliability of cable conductor after annealing, contrasts existing YJV cable conductors annealing process
Good with cable conductor surface smoothness after annealing, conductance is high, pliability is good, the advantage without greasy dirt speckle.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment one
A kind of YJV cable conductors annealing process, comprises the following steps：
S1, cable conductor electrochemistry drawing；It is in electrolyte prescription by cable conductor, 30g/LNaOH, 50g/L nonionic
Type oil emulsion, surplus are distilled water, and current density is 60/mA/cm2, drawing speed for 0.30m/s technological parameter under be drawn into
Thread cable conductor；
S2, compressing cable conductor twist and；Thread cable conductor is pressed into strand and curl Stranded cable by wire twisting machine
Conductor；
S3, cable conductor cleaning；It is 2% by acid solution in pickling, descaling bath is carried out in Stranded cable conductor immersion descaling bath
The sulfuric acid solution of weight；Carry out being 1% weight in acid solution neutralization, neutralization chamber in Stranded cable conductor immersion neutralization chamber after pickling
The soda bath of amount；
S4, cable conductor preheating；Pre-heating drying is carried out to Stranded cable conductor using air-heater, Stranded cable conductor is removed
The solution of remained on surface；
S5, cable conductor heating；First purge annealing furnace 15-45min to replace furnace gas with nitrogen or carbon dioxide, then
Stranded cable conductor after pre-heating drying is delivered in tempering furnace, with 255 DEG C of temperature slow heating heating 10min；
S6, cable conductor insulation；Stranded cable conductor after slow heating treatment is placed in tempering furnace at 255 DEG C
At a temperature of be incubated 6 hours；
S7, cable conductor cooling；Tempering furnace stops heating and thermal insulation, small using 50-80 DEG C/h of cooling velocity and 3-4
When cool time, when Stranded cable conductor temperature is down to 40 DEG C -50 DEG C, Stranded cable conductor is taken out to sky from tempering furnace
It is cooled to room temperature.
Embodiment two
A kind of YJV cable conductors annealing process, comprises the following steps：
S1, cable conductor electrochemistry drawing；It is in electrolyte prescription by cable conductor, 30g/LNaOH, 50g/L nonionic
Type oil emulsion, surplus are distilled water, and current density is 60/mA/cm2, drawing speed for 0.30m/s technological parameter under be drawn into
Thread cable conductor；
S2, compressing cable conductor twist and；Thread cable conductor is pressed into strand and curl Stranded cable by wire twisting machine
Conductor；
S3, cable conductor cleaning；It is 3% by acid solution in pickling, descaling bath is carried out in Stranded cable conductor immersion descaling bath
The sulfuric acid solution of weight；Carry out being 2% weight in acid solution neutralization, neutralization chamber in Stranded cable conductor immersion neutralization chamber after pickling
The soda bath of amount；
S4, cable conductor preheating；Pre-heating drying is carried out to Stranded cable conductor using air-heater, Stranded cable conductor is removed
The solution of remained on surface；
S5, cable conductor heating；First purge annealing furnace 15-45min to replace furnace gas with nitrogen or carbon dioxide, then
Stranded cable conductor after pre-heating drying is delivered in tempering furnace, with 260 DEG C of temperature slow heating heating 12min；
S6, cable conductor insulation；Stranded cable conductor after slow heating treatment is placed in tempering furnace at 260 DEG C
At a temperature of be incubated 7 hours；
S7, cable conductor cooling；Tempering furnace stops heating and thermal insulation, small using 50-80 DEG C/h of cooling velocity and 3-4
When cool time, when Stranded cable conductor temperature is down to 40 DEG C, Stranded cable conductor is taken out from tempering furnace and is air-cooled to
Room temperature.
Embodiment three
A kind of YJV cable conductors annealing process, comprises the following steps：
S1, cable conductor electrochemistry drawing；It is in electrolyte prescription by cable conductor, 30g/LNaOH, 50g/L nonionic
Type oil emulsion, surplus are distilled water, and current density is 60/mA/cm2, drawing speed for 0.30m/s technological parameter under be drawn into
Thread cable conductor；
S2, compressing cable conductor twist and；Thread cable conductor is pressed into strand and curl Stranded cable by wire twisting machine
Conductor；
S3, cable conductor cleaning；It is 4% by acid solution in pickling, descaling bath is carried out in Stranded cable conductor immersion descaling bath
The sulfuric acid solution of weight；Carry out being 3% weight in acid solution neutralization, neutralization chamber in Stranded cable conductor immersion neutralization chamber after pickling
The soda bath of amount；
S4, cable conductor preheating；Pre-heating drying is carried out to Stranded cable conductor using air-heater, Stranded cable conductor is removed
The solution of remained on surface；
S5, cable conductor heating；First purge annealing furnace 15-45min to replace furnace gas with nitrogen or carbon dioxide, then
Stranded cable conductor after pre-heating drying is delivered in tempering furnace, with 265 DEG C of temperature slow heating heating 14min；
S6, cable conductor insulation；Stranded cable conductor after slow heating treatment is placed in tempering furnace at 265 DEG C
At a temperature of be incubated 8 hours；
S7, cable conductor cooling；Tempering furnace stops heating and thermal insulation, small using 50-80 DEG C/h of cooling velocity and 3-4
When cool time, when Stranded cable conductor temperature is down to 40 DEG C, Stranded cable conductor is taken out from tempering furnace and is air-cooled to
Room temperature.
Example IV
A kind of YJV cable conductors annealing process, comprises the following steps：
S1, cable conductor electrochemistry drawing；It is in electrolyte prescription by cable conductor, 30g/LNaOH, 50g/L nonionic
Type oil emulsion, surplus are distilled water, and current density is 60/mA/cm2, drawing speed for 0.30m/s technological parameter under be drawn into
Thread cable conductor；
S2, compressing cable conductor twist and；Thread cable conductor is pressed into strand and curl Stranded cable by wire twisting machine
Conductor；
S3, cable conductor cleaning；It is 5% by acid solution in pickling, descaling bath is carried out in Stranded cable conductor immersion descaling bath
The sulfuric acid solution of weight；Carry out being 4% weight in acid solution neutralization, neutralization chamber in Stranded cable conductor immersion neutralization chamber after pickling
The soda bath of amount；
S4, cable conductor preheating；Pre-heating drying is carried out to Stranded cable conductor using air-heater, Stranded cable conductor is removed
The solution of remained on surface；
S5, cable conductor heating；First purge annealing furnace 15-45min to replace furnace gas with nitrogen or carbon dioxide, then
Stranded cable conductor after pre-heating drying is delivered in tempering furnace, with 270 DEG C of temperature slow heating heating 16min；
S6, cable conductor insulation；Stranded cable conductor after slow heating treatment is placed in tempering furnace at 270 DEG C
At a temperature of be incubated 9 hours；
S7, cable conductor cooling；Tempering furnace stops heating and thermal insulation, small using 50-80 DEG C/h of cooling velocity and 3-4
When cool time, when Stranded cable conductor temperature is down to 40 DEG C, Stranded cable conductor is taken out from tempering furnace and is air-cooled to
Room temperature.
In summary：The present invention YJV cable conductor annealing process optimal procedure parameters be combined as 30g/LNaOH,
50g/L nonionics oil emulsion, surplus are distilled water, current density 60/mA/cm2, drawing speed is 0.30m/s, 4% weight
Sulfuric acid solution, the soda bath of 3% weight, heat temperature raising time 14min, 265 DEG C of heat temperature raising temperature, soaking time 8 is small
When, 265 DEG C of holding temperature, by the way that the cable conductor after twisting and handle through overcompaction before tempering heating, is immersed in descaling bath
Pickling processes are carried out, the oil emulsion that Stranded cable conductive surface is remained is removed, and is then immersed in the soda bath in neutralization chamber
With the acid solution for falling residual, heating and thermal insulation processing is carried out, the conductance and pliability of cable conductor is lifted, eliminates and is twisted and right because pressing
The unfavorable factors such as high resistance, the pliability difference that cable conductor is produced, while it is residual effectively to remove Stranded cable conductive surface
The oil emulsion stayed, it is to avoid the oil emulsion remained on Stranded cable conductor produces speckle influence cable conductor when carrying out heating tempering
Finish, contrast existing YJV cable conductors annealing process have after annealing cable conductor surface smoothness it is good, without oil
Stain line, the high advantage of the good conductance of pliability.
The foregoing is intended to be a preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (3)
1. a kind of YJV cable conductors annealing process, it is characterised in that comprise the following steps：
S1, cable conductor electrochemistry drawing；Be in electrolyte prescription by cable conductor, 10-80g/LNaOH, 25-80g/L it is non-from
Subtype oil emulsion, surplus are distilled water, and current density is 10mA/cm2~100mA/cm2, drawing speed be 0.10m/s~
Thread cable conductor is drawn under 0.50m/s technological parameter；
S2, compressing cable conductor twist and；Thread cable conductor is pressed into strand and curl Stranded cable conductor by wire twisting machine；
S3, cable conductor cleaning；It is 2%-15% by acid solution in pickling, descaling bath is carried out in Stranded cable conductor immersion descaling bath
The sulfuric acid solution of weight；Carried out in cable conductor immersion neutralization chamber after pickling in acid solution neutralization, neutralization chamber as 1%-5% weights
The soda bath of amount；
S4, cable conductor preheating；Pre-heating drying is carried out to Stranded cable conductor using air-heater, the solution of remained on surface is removed；
S5, cable conductor heating；Annealing furnace 15-45min first is purged to replace furnace gas with nitrogen or carbon dioxide, by advance
Stranded cable conductor after heat drying is delivered in tempering furnace, with 255 DEG C -275 DEG C of temperature slow heating heating 10-30min；
S6, cable conductor insulation；Stranded cable conductor after slow heating treatment is placed in tempering furnace at 255 DEG C -275 DEG C
At a temperature of be incubated 6-8 hours；
S7, cable conductor cooling；Tempering furnace stopped heating and thermal insulation, using 50-80 DEG C/h of cooling velocity and 3-4 hours
Cool time, when Stranded cable conductor temperature is down to 40 DEG C -50 DEG C, Stranded cable conductor is taken out from tempering furnace and is air-cooled to
Room temperature.
2. a kind of YJV cable conductors annealing process according to claim 1, it is characterised in that：The tempering furnace is closed
Carbon dioxide or nitrogen have been filled with property electric heating tempering furnace, device furnace body, and in heating and insulating process, all the time with 20-
120m3/ h flow is continually fed into carbon dioxide or nitrogen to annealing furnace.
3. a kind of YJV cable conductors annealing process according to claim 1, it is characterised in that：The cable conductor is being pulled out
Into after thread cable conductor, handle winding apparatus and roll discoid cable conductor.
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| CN109637748A (en) * | 2018-12-06 | 2019-04-16 | 广东新中南电缆有限公司 | A kind of cable copper wire preparation process |
| CN113466991B (en) * | 2021-06-29 | 2023-04-28 | 苏州怡之康通讯器材有限公司 | Equipment and process for melting surface coating for manufacturing communication optical cable |
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| KR20110010181A (en) * | 2009-07-24 | 2011-02-01 | 주식회사 경신전선 | A process for preparing high frequency insulator cable |
| CN101961736A (en) * | 2010-09-03 | 2011-02-02 | 宁波金田铜业(集团)股份有限公司 | Continuous pickling and wiredrawing process of brass wire |
| CN103397286A (en) * | 2013-07-22 | 2013-11-20 | 浙江凯萨特电缆有限公司 | Aluminum alloy cable conductor annealing process |
| DE102013001222A1 (en) * | 2013-01-25 | 2014-07-31 | Waskönig + Walter Kabel-Werk GmbH u. Co. KG | Method for manufacturing of stranded conductor from e.g. electric cable for transmitting electrical energy, involves pulling conductor blank to required end cross-section, and subsequently subjecting drawn fiber to annealing process |
| CN104722590A (en) * | 2015-02-10 | 2015-06-24 | 兰州威特焊材炉料有限公司 | Electrochemical drawing process and electrochemical drawing device for metal wire material |
-
2016
- 2016-08-31 CN CN201610792917.9A patent/CN106298074B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110010181A (en) * | 2009-07-24 | 2011-02-01 | 주식회사 경신전선 | A process for preparing high frequency insulator cable |
| CN101961736A (en) * | 2010-09-03 | 2011-02-02 | 宁波金田铜业(集团)股份有限公司 | Continuous pickling and wiredrawing process of brass wire |
| DE102013001222A1 (en) * | 2013-01-25 | 2014-07-31 | Waskönig + Walter Kabel-Werk GmbH u. Co. KG | Method for manufacturing of stranded conductor from e.g. electric cable for transmitting electrical energy, involves pulling conductor blank to required end cross-section, and subsequently subjecting drawn fiber to annealing process |
| CN103397286A (en) * | 2013-07-22 | 2013-11-20 | 浙江凯萨特电缆有限公司 | Aluminum alloy cable conductor annealing process |
| CN104722590A (en) * | 2015-02-10 | 2015-06-24 | 兰州威特焊材炉料有限公司 | Electrochemical drawing process and electrochemical drawing device for metal wire material |
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Address after: 071800 Xiongxian, Baoding, Longwan Town, step village, Hebei Applicant after: Di Chang Cable Co., Ltd. Address before: 071800 Xiongxian, Baoding, Longwan Town, step village, Hebei Applicant before: Hebei Cable Co., Ltd. |
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