CN105880432A - Preparation method of copper-magnesium alloy stranded wire used for hot-tinned railway - Google Patents
Preparation method of copper-magnesium alloy stranded wire used for hot-tinned railway Download PDFInfo
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- CN105880432A CN105880432A CN201610196174.9A CN201610196174A CN105880432A CN 105880432 A CN105880432 A CN 105880432A CN 201610196174 A CN201610196174 A CN 201610196174A CN 105880432 A CN105880432 A CN 105880432A
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- magnesium alloy
- copper
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- railway
- blank
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F7/00—Twisting wire; Twisting wire together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/042—Manufacture of coated wire or bars
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/08—Tin or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Non-Insulated Conductors (AREA)
- Ropes Or Cables (AREA)
- Conductive Materials (AREA)
Abstract
The invention relates to the field of stranded wires used for railways, in particular to a preparation method of a copper-magnesium alloy stranded wire used for a hot-tinned railway. The preparation method includes the following steps that firstly, a copper-magnesium alloy rod is subjected to connection extrusion and repeated drawing, and a copper-magnesium alloy single-wire blank is formed; secondly, the copper-magnesium alloy single-wire blank is arranged in a three-section type heating pipe to be heated; thirdly, the heated copper-magnesium alloy single-wire bank is repeatedly washed with water and placed in a drying device to be dried after being blow-dried; fourthly, the surface of the copper-magnesium alloy single-wire blank is processed; fifthly, the copper-magnesium alloy single-wire blank subjected to surface processing is subjected to hot tinning; sixthly, repeated drawing is conducted on the copper-magnesium alloy single-wire blank through a wire drawing machine, and copper-magnesium alloy single wires of a given size are prepared; and seventhly, the multiple copper-magnesium alloy single wires are stranded into the copper-magnesium alloy stranded wire. The preparation method is simple in production process, the process operation is high in reliability, and the tinning effect is good.
Description
Technical field
The present invention relates to railway twisted wire field, the preparation of a kind of hot tinning railway copper-magnesium alloy strand
Method.
Background technology
Along with electric railway and the continuous speed-raising of urban track traffic, the requirement to contact net is more and more higher,
Not only require that twisted wire has higher tensile strength, and require that it has good electric conductivity, to meet
The big current load of electric express locomotive, to ensure speed and the safety of train operation.Existing twisted wire producer
Pursue the high conduction performance of twisted wire the most simply, have ignored acidproof rub resistance and the emphasis of antifatigue this respect.
Summary of the invention
The present invention is in order to overcome the deficiency of above-mentioned technical problem, it is provided that a kind of hot tinning railway copper magnesium alloy
The preparation method of twisted wire, the projected life of this twisted wire is longer, acidproof, corrosion-resistant, antifatigue and rub resistance.
The technical scheme solving above-mentioned technical problem is as follows:
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand, comprises the following steps:
(1) copper magnesium alloy bar is attached extruding and repeatedly drawing, forms copper magnesium alloy monofilament blank；
(2) copper magnesium alloy monofilament blank is placed in Three-section type heating pipe heats；
(3) the copper magnesium alloy monofilament blank after heated is placed in drying unit through repeatedly washing and drying up
Dry；
(4) surface of copper magnesium alloy monofilament blank is processed, described treatment fluid be imidazolium compounds and
The mixed solution of sugar alcohol；
(5) surface-treated copper magnesium alloy monofilament blank is carried out hot tinning；The temperature of hot tinning be 250～
280℃；
(6) use wire drawing machine that copper magnesium alloy monofilament blank is carried out repeatedly wire drawing, make the copper magnesium of given size
Alloy filaments；
(7) many copper magnesium alloy monofilament are twisted into copper-magnesium alloy strand.
6 electrothermal tubes, part in 6 electrothermal tubes it is provided with in Three-section type heating pipe described in step (2)
OCr containing rare earth is not installed25Al7Mo2The heating wire of material and insulating barrier, the insulating materials that insulating barrier is filled
For high full sea water crystallization MgO, the heating wire average mark in 6 electrothermal tubes three sections layout, installation site two-by-two
Identical, described syllogic electrothermal tube operating temperature >=1000 DEG C.
The concentration of the imidazolium compounds described in step (4) is 0.01～5 mass %.
Sugar alcohol described in step (4) is at least one in mannitol, D-sorbite or xylitol.
The concentration of the sugar alcohol described in step (4) is 0.01～7 mass %.
First make annealing treatment before copper magnesium alloy monofilament blank described in step (5) is tin plating.
Alloy filaments described in step (7) is first pretwist stress deformation before stranded.
Tin coating of the present invention has good anti-oxidation anti-fatigue ability, and Cu-Mg alloy wire has more preferable anticorrosion effect
Really, electric conductivity is strong.Production technology of the present invention is simple, and process operation reliability is high, tin plating effective.This
Invention can regulate different tin plating temperature according to the alloy filaments of different size, with satisfied design requirement.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further detailed explanation.
Embodiment 1:
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand, comprises the following steps:
(1) copper magnesium alloy bar is attached extruding and repeatedly drawing, forms copper magnesium alloy monofilament blank；
(2) copper magnesium alloy monofilament blank is placed in Three-section type heating pipe heats；Described syllogic adds
It is provided with 6 electrothermal tubes in heat pipe, inside 6 electrothermal tubes, is separately installed with the OCr containing rare earth25Al7Mo2Material
The heating wire of matter and insulating barrier, the insulating materials that insulating barrier is filled is high full sea water crystallization MgO, 6 electric heating
Heating wire average mark in pipe three sections layout, installation site is identical two-by-two, and syllogic electrothermal tube operating temperature is
1000℃。
(3) the copper magnesium alloy monofilament blank after heated is placed in drying unit through repeatedly washing and drying up
Dry；
(4) processing the surface of copper magnesium alloy monofilament blank, treatment fluid is imidazolium compounds and sugar alcohol
Mixed solution；The concentration of imidazolium compounds is 0.01 mass %, and sugar alcohol is mannitol, and the concentration of sugar alcohol is 0.01
Quality %.
(5) surface-treated copper magnesium alloy monofilament blank is carried out hot tinning；The temperature of hot tinning is
250 DEG C, tin plating before first make annealing treatment；
(6) use wire drawing machine that copper magnesium alloy monofilament blank is carried out repeatedly wire drawing, make the copper magnesium of given size
Alloy filaments；
(7) many copper magnesium alloy monofilament are twisted into copper-magnesium alloy strand, stranded front first pretwist stress deformation.
Embodiment 2:
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand, comprises the following steps:
(1) copper magnesium alloy bar is attached extruding and repeatedly drawing, forms copper magnesium alloy monofilament blank；
(2) copper magnesium alloy monofilament blank is placed in Three-section type heating pipe heats；Described syllogic adds
It is provided with 6 electrothermal tubes in heat pipe, inside 6 electrothermal tubes, is separately installed with the OCr containing rare earth25Al7Mo2Material
The heating wire of matter and insulating barrier, the insulating materials that insulating barrier is filled is high full sea water crystallization MgO, 6 electric heating
Heating wire average mark in pipe three sections layout, installation site is identical two-by-two, described syllogic electrothermal tube work temperature
Degree is 1100 DEG C.
(3) the copper magnesium alloy monofilament blank after heated is placed in drying unit through repeatedly washing and drying up
Dry；
(4) processing the surface of copper magnesium alloy monofilament blank, treatment fluid is imidazolium compounds and sugar alcohol
Mixed solution；The concentration of described imidazolium compounds is 5 mass %, and described sugar alcohol is D-sorbite, described
The concentration of sugar alcohol be 7 mass %.
(5) surface-treated copper magnesium alloy monofilament blank is carried out hot tinning；The temperature of hot tinning is
280 DEG C, tin plating before first make annealing treatment；
(6) use wire drawing machine that copper magnesium alloy monofilament blank is carried out repeatedly wire drawing, make the copper magnesium of given size
Alloy filaments；
(7) many copper magnesium alloy monofilament are twisted into copper-magnesium alloy strand, stranded front first pretwist stress deformation.
Embodiment 3:
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand, comprises the following steps:
(1) copper magnesium alloy bar is attached extruding and repeatedly drawing, forms copper magnesium alloy monofilament blank；
(2) copper magnesium alloy monofilament blank is placed in Three-section type heating pipe heats；Described syllogic adds
It is provided with 6 electrothermal tubes in heat pipe, inside 6 electrothermal tubes, is separately installed with the OCr containing rare earth25Al7Mo2Material
The heating wire of matter and insulating barrier, the insulating materials that insulating barrier is filled is high full sea water crystallization MgO, 6 electric heating
Heating wire average mark in pipe three sections layout, installation site is identical two-by-two, described syllogic electrothermal tube work temperature
Degree is 1800 DEG C.
(3) the copper magnesium alloy monofilament blank after heated is placed in drying unit through repeatedly washing and drying up
Dry；
(4) processing the surface of copper magnesium alloy monofilament blank, treatment fluid is imidazolium compounds and sugar alcohol
Mixed solution；The concentration of described imidazolium compounds is 0.08 mass %, and described sugar alcohol is xylitol, institute
The concentration of the sugar alcohol stated is 6 mass %.
(5) surface-treated copper magnesium alloy monofilament blank is carried out hot tinning；The temperature of hot tinning is
270 DEG C, tin plating before first make annealing treatment；
(6) use wire drawing machine that copper magnesium alloy monofilament blank is carried out repeatedly wire drawing, make the copper magnesium of given size
Alloy filaments；
(7) many copper magnesium alloy monofilament are twisted into copper-magnesium alloy strand, stranded front first pretwist stress deformation.
Embodiment 4:
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand, comprises the following steps:
(1) copper magnesium alloy bar is attached extruding and repeatedly drawing, forms copper magnesium alloy monofilament blank；
(2) copper magnesium alloy monofilament blank is placed in Three-section type heating pipe heats；Described syllogic adds
It is provided with 6 electrothermal tubes in heat pipe, inside 6 electrothermal tubes, is separately installed with the OCr containing rare earth25Al7Mo2Material
The heating wire of matter and insulating barrier, the insulating materials that insulating barrier is filled is high full sea water crystallization MgO, 6 electric heating
Heating wire average mark in pipe three sections layout, installation site is identical two-by-two, described syllogic electrothermal tube work temperature
Degree is 1500 DEG C.
(3) the copper magnesium alloy monofilament blank after heated is placed in drying unit through repeatedly washing and drying up
Dry；
(4) processing the surface of copper magnesium alloy monofilament blank, treatment fluid is imidazolium compounds and sugar alcohol
Mixed solution；The concentration of imidazolium compounds is 4 mass %, and sugar alcohol is the mixture of mannitol and D-sorbite,
The concentration of sugar alcohol is 5 mass %.
(5) surface-treated copper magnesium alloy monofilament blank is carried out hot tinning；The temperature of hot tinning is
260 DEG C, tin plating before first make annealing treatment；
(6) use wire drawing machine that copper magnesium alloy monofilament blank is carried out repeatedly wire drawing, make the copper magnesium of given size
Alloy filaments；
(7) many copper magnesium alloy monofilament are twisted into copper-magnesium alloy strand, stranded front first pretwist stress deformation.
Embodiment 5:
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand, comprises the following steps:
(1) copper magnesium alloy bar is attached extruding and repeatedly drawing, forms copper magnesium alloy monofilament blank；
(2) copper magnesium alloy monofilament blank is placed in Three-section type heating pipe heats；Described syllogic adds
It is provided with 6 electrothermal tubes in heat pipe, inside 6 electrothermal tubes, is separately installed with the OCr containing rare earth25Al7Mo2Material
The heating wire of matter and insulating barrier, the insulating materials that insulating barrier is filled is high full sea water crystallization MgO, 6 electric heating
Heating wire average mark in pipe three sections layout, installation site is identical two-by-two, described syllogic electrothermal tube work temperature
Degree is 1300 DEG C.
(3) the copper magnesium alloy monofilament blank after heated is placed in drying unit through repeatedly washing and drying up
Dry；
(4) processing the surface of copper magnesium alloy monofilament blank, treatment fluid is imidazolium compounds and sugar alcohol
Mixed solution；The concentration of described imidazolium compounds is 2 mass %, and described sugar alcohol is mannitol, sorbose
Alcohol and the mixture of xylitol, the concentration of described sugar alcohol is 6 mass %.
(5) surface-treated copper magnesium alloy monofilament blank is carried out hot tinning；The temperature of hot tinning is
280 DEG C, tin plating before first make annealing treatment；
(6) use wire drawing machine that copper magnesium alloy monofilament blank is carried out repeatedly wire drawing, make the copper magnesium of given size
Alloy filaments；
(7) many copper magnesium alloy monofilament are twisted into copper-magnesium alloy strand, stranded front first pretwist stress deformation.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction,
Any simple modification of in every technical spirit according to the present invention, above example being made, equivalent variations,
Within each falling within protection scope of the present invention.
Claims (7)
1. the preparation method of a hot tinning railway copper-magnesium alloy strand, it is characterised in that include following step
Rapid:
(1) copper magnesium alloy bar is attached extruding and repeatedly drawing, forms copper magnesium alloy monofilament blank；
(2) copper magnesium alloy monofilament blank is placed in Three-section type heating pipe heats；
(3) the copper magnesium alloy monofilament blank after heated is placed in drying unit through repeatedly washing and drying up
Dry；
(4) surface of copper magnesium alloy monofilament blank is processed, described treatment fluid be imidazolium compounds and
The mixed solution of sugar alcohol；
(5) surface-treated copper magnesium alloy monofilament blank is carried out hot tinning；The temperature of hot tinning be 250～
280℃；
(6) use wire drawing machine that copper magnesium alloy monofilament blank is carried out repeatedly wire drawing, make the copper magnesium of given size
Alloy filaments；
(7) many copper magnesium alloy monofilament are twisted into copper-magnesium alloy strand.
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand the most according to claim 1, its
It is characterised by, in the Three-section type heating pipe described in step (2), is provided with 6 electrothermal tubes, 6 electrothermal tubes
Inside is separately installed with the OCr containing rare earth25Al7Mo2The heating wire of material and insulating barrier, it is exhausted that insulating barrier is filled
Edge material is high full sea water crystallization MgO, the heating wire average mark in 6 electrothermal tubes three sections layout, pacifies two-by-two
Holding position is identical, described syllogic electrothermal tube operating temperature >=1000 DEG C.
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand the most according to claim 1, its
Being characterised by, the concentration of the imidazolium compounds described in step (4) is 0.01～5 mass %.
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand the most according to claim 1, its
Being characterised by, the sugar alcohol described in step (4) is at least one in mannitol, D-sorbite or xylitol.
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand the most according to claim 1, its
Being characterised by, the concentration of the sugar alcohol described in step (4) is 0.01～7 mass %.
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand the most according to claim 1, its
It is characterised by, first makes annealing treatment before copper magnesium alloy monofilament blank described in step (5) is tin plating.
The preparation method of a kind of hot tinning railway copper-magnesium alloy strand the most according to claim 1, its
Being characterised by, the alloy filaments described in step (7) is first pretwist stress deformation before stranded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196174.9A CN105880432A (en) | 2016-03-31 | 2016-03-31 | Preparation method of copper-magnesium alloy stranded wire used for hot-tinned railway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196174.9A CN105880432A (en) | 2016-03-31 | 2016-03-31 | Preparation method of copper-magnesium alloy stranded wire used for hot-tinned railway |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931995A (en) * | 2017-11-29 | 2018-04-20 | 余晓平 | A kind of processing method of glasses wire |
| CN108467981A (en) * | 2018-01-24 | 2018-08-31 | 烟台南山学院 | A kind of preparation method of magnesium alloy silk material |
| CN110724899A (en) * | 2019-11-27 | 2020-01-24 | 云南电网有限责任公司电力科学研究院 | Anti-corrosion method for electric power fitting |
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| CN1401803A (en) * | 2002-08-28 | 2003-03-12 | 江阴市电工合金有限公司 | Copper-magnesium alloy strand production process thereof |
| JP2007084921A (en) * | 2005-08-24 | 2007-04-05 | Nikko Kinzoku Kk | Cu-Zn-Sn BASED ALLOY TIN PLATED STRIP |
| CN101348913A (en) * | 2007-07-20 | 2009-01-21 | 美格株式会社 | Surface treatment agent |
| CN201673696U (en) * | 2010-06-02 | 2010-12-15 | 中铁建电气化局集团康远新材料有限公司 | Tinned copper-magnesium alloy stranded wire for electrified railway contact net |
| CN102277546A (en) * | 2011-05-25 | 2011-12-14 | 浙江正导光电股份有限公司 | Copper wire hot tinning process |
| CN103950244A (en) * | 2014-05-21 | 2014-07-30 | 安徽天正电子有限公司 | Tin-indium alloy coated copper wire and production method thereof |
| CN104975528A (en) * | 2015-06-16 | 2015-10-14 | 天津冶金钢线钢缆集团有限公司 | Manufacturing method of zinc-aluminum alloy clad layer prestress steel strands |
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| CN105448426A (en) * | 2015-11-18 | 2016-03-30 | 芜湖楚江合金铜材有限公司 | Tinned copper wire production technology process |
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|---|---|---|---|---|
| CN1401803A (en) * | 2002-08-28 | 2003-03-12 | 江阴市电工合金有限公司 | Copper-magnesium alloy strand production process thereof |
| JP2007084921A (en) * | 2005-08-24 | 2007-04-05 | Nikko Kinzoku Kk | Cu-Zn-Sn BASED ALLOY TIN PLATED STRIP |
| CN101348913A (en) * | 2007-07-20 | 2009-01-21 | 美格株式会社 | Surface treatment agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931995A (en) * | 2017-11-29 | 2018-04-20 | 余晓平 | A kind of processing method of glasses wire |
| CN108467981A (en) * | 2018-01-24 | 2018-08-31 | 烟台南山学院 | A kind of preparation method of magnesium alloy silk material |
| CN110724899A (en) * | 2019-11-27 | 2020-01-24 | 云南电网有限责任公司电力科学研究院 | Anti-corrosion method for electric power fitting |
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Application publication date: 20160824 |
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