CN106238493A - A kind of production technology of wear-resistant copper alloyed contact line - Google Patents
A kind of production technology of wear-resistant copper alloyed contact line Download PDFInfo
- Publication number
- CN106238493A CN106238493A CN201610630067.2A CN201610630067A CN106238493A CN 106238493 A CN106238493 A CN 106238493A CN 201610630067 A CN201610630067 A CN 201610630067A CN 106238493 A CN106238493 A CN 106238493A
- Authority
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- Prior art keywords
- copper
- wear
- production technology
- contact line
- described step
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 65
- 239000010949 copper Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000002360 preparation method Methods 0.000 claims abstract description 13
- 238000003723 Smelting Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 33
- 239000000956 alloy Substances 0.000 claims description 33
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 11
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 9
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims description 9
- GBAOZECSOKXKEL-UHFFFAOYSA-N copper yttrium Chemical compound [Cu].[Y] GBAOZECSOKXKEL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910052727 yttrium Inorganic materials 0.000 claims description 9
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 9
- 229910052706 scandium Inorganic materials 0.000 claims description 8
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 8
- IRPLSAGFWHCJIQ-UHFFFAOYSA-N selanylidenecopper Chemical compound [Se]=[Cu] IRPLSAGFWHCJIQ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052711 selenium Inorganic materials 0.000 claims description 8
- 239000011669 selenium Substances 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000946 Y alloy Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000010946 fine silver Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005275 alloying Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- NZOBMQKUUTZNND-UHFFFAOYSA-N copper scandium Chemical group [Sc].[Cu] NZOBMQKUUTZNND-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B21C37/047—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 of fine wires
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metal Extraction Processes (AREA)
Abstract
The present invention relates to the production technology of a kind of wear-resistant copper alloyed contact line, comprise the following steps: (1) A level tough cathode casts in smelting apparatus continuously, after having cast with cooling circulating water carry out cooling down thus prepare on draw copper bar;(2) by draw copper bar in continuous extruder, carry out continuously extruded preparation contact wire blank material;(3) drawing unit preparation contact line finished product is used.Contact line excellent in abrasion resistance prepared by the present invention.
Description
Technical field
The present invention relates to the production technology of an Albatra metal, particularly relate to a kind of high abrasion for high-speed railway contact line
The production technology of copper alloy.
Background technology
The development trend of high-speed railway will develop towards the direction of efficient quick, environmental protection and energy saving both at home and abroad, and this just requires height
The contact line of speed railway does not only have higher tensile strength and good electric conductivity, it is also desirable to have good wearability
Energy.The Kufil contact line that domestic employing continuous casting and rolling process for production produces, its wear resistance ratio is higher, has had a strong impact on high ferro and has connect
The service life touched net.The increase alloying element that Japan uses, strengthens bar base diameter, reduces the works such as temperature casting, zerolling
Skill improves the wear resistance ratio of contact line, but effect is the most undesirable.
The production method of a kind of wear-resisting Kufil contact line disclosed in Chinese invention CN201210363062.X, but should
Method needs to add indium and two kinds of elements of tellurium, and both element prices are sufficiently expensive, causes the contact line valency that this invention produces
Lattice are the highest, it is impossible to be well applicable to the demand in market.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of wear-resistant copper used for high-speed railway contact line and close
The production technology of gold.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions:
The production technology of a kind of wear-resistant copper alloyed contact line, it is characterised in that described copper alloy contact wire is by weight percentage
For: silver content is 0.16-0.30%, and Se content is 0.05-0.10%, and nickel content is 0.02-0.08%, and silicone content is 0.005-
0.02%, yttrium content is 0.005-0.05%, and scandium content is 0.005-0.05%, and oxygen content is less than 0.0005%, and other is inevitable
Impurity content less than 0.01%, surplus is copper.
The production technology of described wear-resistant copper alloyed contact line comprises the following steps:
(1) continuous up-casting copper bar: in the middle of A level tough cathode, fine silver, copper selenium intermediate alloy, copper nickel intermediate alloy, pure silicon, copper yttrium
Alloy, copper bearing master alloy are raw material, by smelting apparatus melting, Continuous Up casting, are coated with Linesless charcoal and stone in smelting apparatus
Ink phosphorus sheet, uses traction link seat Continuous Up casting copper bar;
(2) continuously extruded contact wire blank material: drawing copper bar above is raw material, uses the shaped device extruding preparation of continuously extruded unit
Contact wire blank material;
(3) drawing formation of contact line finished product: use huge drawing unit, contact wire blank material is drawn into 150mm2The contact in cross section
Line.
The tensile strength of the wear-resistant copper alloyed contact line of described preparation is 400-570MPa, and conductivity is more than 80%IACS,
When electric current is I=30A, the electric skimming wear rate of contact line is 0.003-0.004mg/m.
In described step (1), smelting apparatus includes melting stove and holding furnace, and wherein fusing furnace temperature is 1200 ± 5 DEG C, protects
Temperature furnace temperature is 1180 ± 5 DEG C;The granularity of Linesless charcoal is 60mm-80mm, cladding thickness 150mm-200mm;The covering of graphite phosphorus sheet
Thickness 50mm-100mm;Cooling circulating water leaving water temperature is less than 35 DEG C;On draw a diameter of 30mm of copper bar, diameter tolerance less than ±
0.1mm, the pitch of copper bar is 3-3.8mm, and the hauling speed of copper bar is 250-300mm/min.
In described step (1), copper selenium intermediate alloy, copper nickel intermediate alloy, copper yttrium intermediate alloy, copper bearing master alloy are respectively
The copper selenium intermediate alloy containing 20% selenium, the copper nickel intermediate alloy containing 20% nickel, the copper yttrium intermediate alloy containing 10% yttrium, containing 10% scandium
Copper bearing master alloy.
In described step (1), nickel content is four to one with the percentage by weight of silicone content, yttrium content and the weight of scandium content
Percentage ratio is one to one.
The rotating speed of the continuously extruded unit in described step (2) is 2-3r/min, described on draw copper bar at continuous extruder
Carrying out the manufacture of continuously extruded contact wire blank material in group, the extrusion temperature of described continuously extruded contact wire blank material is more than 750 DEG C, squeezes
Pressure pressure is more than 1100MPa.
Shaped device described in described step (2) includes extending mould and mould;Described extension mould is cone
Shape mould, modular angle is 50 °, a length of 8mm of mold hole work belt;Described mould is biconial mould, and modular angle is respectively 62 °
With 25 °, a length of 15mm of mold hole work belt.
The extruding wheel diameter of the continuously extruded unit described in described step (2) is 630mm, extruding wheel width is 150mm.
In continuously extruded unit described in described step (2), shoe is 0.10-0.12mm with the gap of extruding wheel, shoe
Compaction pressure be 20-30MPa.
Continuously extruded unit described in described step (2) uses the alcohol water blend containing 30% to enter contact line blank
Row cooling, contacts the temperature of line blank less than 50 DEG C after cooling.
In described step (2), the crystallite dimension of the contact wire blank material of preparation is 0.005-0.01mm.
In described step (2), the contact wire blank material of preparation is non-circular, and contact wire blank material sectional area is 750mm2-
1500mm2, contact wire blank material cross section is with to contact line finished product cross sectional shape consistent.
Including 5 passage drawings in described step (3) during drawing molding, drawing general working rate is 80-90%.
In described step (3), in drawing molding, the modular angle scope of drawing mould is 5 °-15 °, the nib work of drawing mould
Strip length is 7mm, and the modular angle of the drawing mould of 5 passages is sequentially reduced simultaneously.
The present invention has the advantages that for the production technology of wear-resistant copper alloyed contact line
1, the wear-resistant copper alloyed contact line that prepared by the present invention, silver content is 0.16-0.30%, and Se content is 0.05-0.10%, nickel
Content is 0.02-0.08%, and silicone content is 0.005-0.02%, and yttrium content is 0.005-0.05%, and scandium content is 0.005-0.05%,
Oxygen content is less than 0.0005%, and other inevitable impurity content is less than 0.01%, and surplus is copper.
The tensile strength of the wear-resistant copper alloyed contact line that 2, prepared by the present invention is 400-570MPa, and conductivity is more than 80%
IACS, when electric current is I=30A, the electric skimming wear rate of contact line is 0.003-0.004mg/m, meets making of high-speed railway
With.
3, the technological process of production of the present invention is short, efficient, energy-conservation;Use continuous up-casting technology, continual extruding technology, in high precision
Drawing techniques etc. combine.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
Embodiment 1
The present embodiment 1, for the production technology of wear-resistant copper alloyed contact line, comprises the steps:
(1) continuous up-casting copper bar: in the middle of A level tough cathode, fine silver, copper selenium intermediate alloy, copper nickel intermediate alloy, pure silicon, copper yttrium
Alloy, copper bearing master alloy are raw material, melting in smelting apparatus, Continuous Up casting, be coated with in smelting apparatus Linesless charcoal and
Graphite phosphorus sheet, uses traction link seat Continuous Up casting copper bar;
Melting furnace temperature in smelting apparatus is 1200 DEG C, and holding furnace temperature is 1180 DEG C;The granularity of Linesless charcoal is 60mm, cladding thickness
150mm;The cladding thickness 50mm of graphite phosphorus sheet;Cooling circulating water leaving water temperature 30 DEG C;On draw a diameter of 30mm of copper bar, diameter
Tolerance+0.05mm, the pitch of copper bar is 3.5mm, and the hauling speed of copper bar is 270mm/min.
Copper selenium intermediate alloy, copper nickel intermediate alloy, copper yttrium intermediate alloy, copper bearing master alloy are the copper containing 20% selenium respectively
Selenium intermediate alloy, the copper nickel intermediate alloy containing 20% nickel, the copper yttrium intermediate alloy containing 10% yttrium, copper bearing master alloy containing 10% scandium.
On to draw silver content in copper bar be 0.20%, Se content is 0.07%, and nickel content is 0.02%, and silicone content is 0.005%, yttrium
Content is 0.01%, and scandium content is 0.01%, oxygen content 0.0003%, other inevitable impurity content 0.008%, surplus
For copper.
(2) continuously extruded contact wire blank material: drawing copper bar above is raw material, uses the shaped device of continuously extruded unit to extrude
Preparation contact wire blank material;
The rotating speed of continuously extruded unit is 2.7r/min, described on draw copper bar in continuously extruded unit, carry out continuously extruded contact
The manufacture of line blank, the extrusion temperature 780 DEG C of described continuously extruded contact wire blank material, squeeze pressure 1150MPa.
Shaped device includes extending mould and mould;Extension mould is taper die, and modular angle is 50 °, and nib works
Strip length is 8mm;Described mould is biconial mould, and modular angle is respectively 62 ° and 25 °, and mold hole work belt is a length of
15mm。
The extruding wheel diameter of continuously extruded unit is 630mm, extruding wheel width is 150mm.Shoe in continuously extruded unit
Being 0.10mm with the gap of extruding wheel, the compaction pressure of shoe is 26MPa.
Continuously extruded unit uses the alcohol water blend containing 30% to cool down contact line blank, contacts line after cooling
The temperature 45 C of blank.The crystallite dimension of the contact wire blank material of preparation is 0.007mm.The contact wire blank material of preparation is non-circular,
Contact wire blank material sectional area is 750mm2, contact wire blank material cross section is with to contact line finished product cross sectional shape consistent.
(3) drawing formation of contact line finished product: use huge drawing unit, contact wire blank material is drawn into 150mm2Cross section
Contact line.
Including 5 passage drawings during drawing molding, drawing general working rate is 80%.
The a length of 7mm of the mold hole work belt of drawing mould in drawing molding, the modular angle of the drawing mould of 5 passages depends on simultaneously
Secondary is 10 °, 8 °, 7 °, 6 °, 5 °.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention,
All changes utilizing this design that the present invention carries out unsubstantiality, all should fall into protection scope of the present invention.
Claims (15)
1. the production technology of a wear-resistant copper alloyed contact line, it is characterised in that described copper alloy contact wire percentage by weight
Ratio is: silver content is 0.16-0.30%, and Se content is 0.05-0.10%, and nickel content is 0.02-0.08%, and silicone content is 0.005-
0.02%, yttrium content is 0.005-0.05%, and scandium content is 0.005-0.05%, and oxygen content is less than 0.0005%, and other is inevitable
Impurity content less than 0.01%, surplus is copper;The production technology of described wear-resistant copper alloyed contact line includes following step
Rapid:
(1) continuous up-casting copper bar: in the middle of A level tough cathode, fine silver, copper selenium intermediate alloy, copper nickel intermediate alloy, pure silicon, copper yttrium
Alloy, copper bearing master alloy are raw material, melting in smelting apparatus, Continuous Up casting, be coated with in smelting apparatus Linesless charcoal and
Graphite phosphorus sheet, uses traction link seat Continuous Up casting copper bar;
(2) continuously extruded contact wire blank material: drawing copper bar above is raw material, uses the shaped device extruding preparation of continuously extruded unit
Contact wire blank material;
(3) drawing formation of contact line finished product: use drawing unit, contact wire blank material is drawn into 150mm2The contact line in cross section;
The tensile strength of the wear-resistant copper alloyed contact line of described preparation is 400-570MPa, and conductivity is more than 80%IACS, electric current
During for I=30A, the electric skimming wear rate of contact line is 0.003-0.004mg/m.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (1)
Middle smelting apparatus includes melting stove and holding furnace, and wherein fusing furnace temperature is 1200 ± 5 DEG C, and holding furnace temperature is 1180 ± 5 DEG C.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (1)
The granularity of middle Linesless charcoal is 60mm-80mm, cladding thickness 150mm-200mm;The cladding thickness 50mm-100mm of graphite phosphorus sheet.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (1)
Drawing a diameter of 30mm of copper bar in, diameter tolerance is less than ± 0.1mm, and the pitch of copper bar is 3-3.8mm, the hauling speed of copper bar
For 250-300mm/min.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (1)
Middle nickel content is four to one with the percentage by weight of silicone content, and yttrium content is one to one with the percentage by weight of scandium content.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (1)
Middle copper selenium intermediate alloy, copper nickel intermediate alloy, copper yttrium intermediate alloy, copper bearing master alloy are in the middle of the copper selenium containing 20% selenium respectively
Alloy, the copper nickel intermediate alloy containing 20% nickel, the copper yttrium intermediate alloy containing 10% yttrium, copper bearing master alloy containing 10% scandium.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (2)
In the rotating speed of continuously extruded unit be 2-3r/min, described on draw copper bar in continuously extruded unit, carry out continuously extruded contact
The manufacture of line blank, the extrusion temperature of described continuously extruded contact wire blank material is more than 750 DEG C, and squeeze pressure is more than 1100MPa.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (2)
Described in shaped device include extending mould and mould;Described extension mould is taper die, and modular angle is 50 °, mould
Hole land length is 8mm;Described mould is biconial mould, and modular angle is respectively 62 ° and 25 °, and mold hole work belt is long
Degree is 15mm.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (2)
Described in the extruding wheel diameter of continuously extruded unit be 630mm, extruding wheel width be 150mm.
The production technology of a kind of wear-resistant copper alloyed contact line the most as claimed in claim 1, it is characterised in that: described step (2)
Described in continuously extruded unit in shoe with extruding wheel gap be 0.10-0.12mm, the compaction pressure of shoe is 20-
30MPa。
The production technology of 11. a kind of wear-resistant copper alloyed contact lines as claimed in claim 1, it is characterised in that: described step (2)
Described in continuously extruded unit use containing 30% alcohol water blend to contact line blank cool down, after cooling contact line
The temperature of blank is less than 50 DEG C.
The production technology of 12. a kind of wear-resistant copper alloyed contact lines as claimed in claim 1, it is characterised in that: described step (2)
The crystallite dimension of the contact wire blank material of middle preparation is 0.005-0.01mm.
The production technology of 13. a kind of wear-resistant copper alloyed contact lines as claimed in claim 1, it is characterised in that: described step (2)
The contact wire blank material of middle preparation is non-circular, and contact wire blank material sectional area is 750mm2-1500mm2, contact wire blank material cross section with connect
Touch line finished product cross sectional shape consistent.
The production technology of 14. a kind of wear-resistant copper alloyed contact lines as claimed in claim 1, it is characterised in that: described step (3)
Including 5 passage drawings during middle drawing molding, drawing general working rate is 80-90%.
The production technology of 15. a kind of wear-resistant copper alloyed contact lines as claimed in claim 1, it is characterised in that: described step (3)
In middle drawing molding, the modular angle scope of drawing mould is 5 °-15 °, a length of 7mm of mold hole work belt of drawing mould, 5 simultaneously
The modular angle of the drawing mould of passage is sequentially reduced.
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CN107309292A (en) * | 2017-08-17 | 2017-11-03 | 徐高杰 | A kind of production method of magnesium tellurium copper rod |
CN107497880A (en) * | 2017-08-17 | 2017-12-22 | 徐高杰 | A kind of production method of tellurium selenium copper rod |
CN107739872A (en) * | 2017-09-29 | 2018-02-27 | 常州安凯特电缆有限公司 | A kind of Cu-Cr-Zr alloy contact line and its production technology |
CN108504880A (en) * | 2018-04-11 | 2018-09-07 | 中铁建电气化局集团康远新材料有限公司 | Kuttern contact line production technology used for high-speed railway |
CN113351678A (en) * | 2021-05-27 | 2021-09-07 | 中铁建电气化局集团康远新材料有限公司 | Production equipment and method for dovetail type high-strength high-conductivity wear-resistant copper-steel composite contact wire |
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