CN104124006B - A kind of preparation method of single strand cable - Google Patents
A kind of preparation method of single strand cable Download PDFInfo
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- CN104124006B CN104124006B CN201410401978.9A CN201410401978A CN104124006B CN 104124006 B CN104124006 B CN 104124006B CN 201410401978 A CN201410401978 A CN 201410401978A CN 104124006 B CN104124006 B CN 104124006B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 111
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 39
- 229910000990 Ni alloy Inorganic materials 0.000 claims abstract description 38
- 239000011810 insulating material Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 7
- 239000011162 core material Substances 0.000 claims description 81
- 229910052782 aluminium Inorganic materials 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 37
- 229910052725 zinc Inorganic materials 0.000 claims description 36
- 239000000470 constituent Substances 0.000 claims description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 26
- 230000032683 aging Effects 0.000 claims description 24
- 239000004411 aluminium Substances 0.000 claims description 24
- 238000005266 casting Methods 0.000 claims description 24
- 229910052804 chromium Inorganic materials 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229910052748 manganese Inorganic materials 0.000 claims description 24
- 229910052718 tin Inorganic materials 0.000 claims description 24
- 238000010792 warming Methods 0.000 claims description 24
- 238000005253 cladding Methods 0.000 claims description 18
- 238000005242 forging Methods 0.000 claims description 18
- 238000007670 refining Methods 0.000 claims description 18
- 238000011282 treatment Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 229910052755 nonmetal Inorganic materials 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 229910052709 silver Inorganic materials 0.000 claims description 12
- 238000005491 wire drawing Methods 0.000 claims description 12
- 229910052727 yttrium Inorganic materials 0.000 claims description 12
- 229910052726 zirconium Inorganic materials 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- LUNMJRJMSXZSLC-UHFFFAOYSA-N 2-cyclopropylethanol Chemical compound OCCC1CC1 LUNMJRJMSXZSLC-UHFFFAOYSA-N 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 229920005558 epichlorohydrin rubber Polymers 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000000265 homogenisation Methods 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910052882 wollastonite Inorganic materials 0.000 claims description 6
- 239000010456 wollastonite Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000005979 Citrus limon Nutrition 0.000 claims 2
- 244000248349 Citrus limon Species 0.000 claims 1
- 244000131522 Citrus pyriformis Species 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 16
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000001069 triethyl citrate Substances 0.000 description 5
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 5
- 235000013769 triethyl citrate Nutrition 0.000 description 5
- 239000006229 carbon black Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
A kind of preparation method of single strand cable, described cable includes the twisted wire that both threads material is formed, twisted wire outer layer is insulating barrier, wherein single line material includes aluminium alloy core and the copper alloy layer of aluminium alloy core outer wrapping, another root wire rod includes aluminium alloy core and the nickel alloy layer of aluminium alloy core outer wrapping, improve the weatherability of aluminium alloy conductor by aluminium alloy wires is coated with nickel alloy and copper alloy and insulating materials, effectively extend its service life.Preparation technology is easily operated, feasible, production cost is low, it is adaptable to the production of small batch high-strength highly-conductive aluminium alloy conductor cable.
Description
Technical field
The present invention relates to the preparation method of a kind of single strand cable, belong to cable material and manufacture field.
Background technology
Along with developing rapidly of national economy, China's power industry has had the progress advanced by leaps and bounds, at present, China's power transmission line
The wire that road is used is the most still traditional steel-cored aluminium strand, owing to its heat resistance is relatively weak, and therefore circuit
Transmission line capability is subject to certain restrictions.
Aluminum stranded wire of aluminum alloy core line is less than same specification ordinary steel core aluminum stranded wire resistance, transmission line capability is big, lightweight, intensity
Height, based on these advantages, the usage amount of aluminium alloy conductor increases year by year.
Summary of the invention
The present invention provides the preparation method of a kind of single strand cable:
Described cable includes that the twisted wire that both threads material is formed, twisted wire outer layer are insulating barrier, and wherein single line material includes that aluminium closes
Gold core and the copper alloy layer of aluminium alloy core outer wrapping, another root wire rod includes aluminium alloy core and aluminium alloy core outer wrapping
Nickel alloy layer.
Each constituent mass percentage composition of aluminium alloy core is: Mg 3-4%, Sn 0.8-0.9%, Zn 0.5-0.6%,
Fe 0.4-0.5%, Sb 0.4-0.5%, Cr 0.2-0.3%, Mn 0.08-0.09%, Ag 0.06-0.07%, Ti 0.04-
0.05%, Zr 0.02-0.03%, Y 0.02-0.03%, surplus is aluminium and inevitable nonmetal inclusion,
The preparation method of described cable:
(1) each for aluminium alloy component raw material is put into smelting furnace, and at 780-790 DEG C, carry out melting, treat that raw material all melts
Change, stir 40min；Being subsequently adding refining agent to refine, refining temperature is 710 DEG C, and refining time is 30min, quiet after skimming
Put 50min, then adjust temperature to 700 DEG C, logical 40%Ar and 60%CO mixed gas refinery by de-gassing 30 min, gas stream in aluminium liquid
Amount is 3m3/ min, stands 60 min, makes oxidizing slag fully float, and starts casting after skimming.
(2) using semicontinuous direct water-cooling casting method to cast, casting temperature is 740 DEG C, casting speed 100mm/
Min, cooling water pressure 0.35MPa, cooling water flow is 2000L/min.
(3) strand is carried out Homogenization Treatments: be first warming up to 420 DEG C with 50 DEG C/h, be incubated 7h, then be warming up to 30 DEG C/h
510 DEG C, it is incubated 3h, then is warming up to 530 DEG C with 20 DEG C/h, be incubated 7h, be then cooled to 430 DEG C with 50 DEG C/h, be incubated 10h, so
After be cooled to 200 DEG C with 80 DEG C/h, be incubated 6h, air cooling is to room temperature.
(4) forging: heating furnace put into by strand, and heating furnace is warming up to 480 DEG C, is incubated 5min, forging temperature 480-390
℃。
(5) blank heating after forging to 430 DEG C and is taken out after being incubated 6h, in being directly placed into extruder, be squeezed into Φ
12mm bar, extrusion speed is 3-3.5m/min；.
(6) drawing tube reducing: rods and bars of aluminium alloy wire drawing machine is proceeded drawing tube reducing, with 5m/min's on wire drawing machine
Speed, the reducing rate drawing aluminium alloy wire base of 12-13%, until a diameter of 5-6mm；Line base is little 380-390 DEG C of insulation 2
Time, afterwards, adjustment drawing speed is 12m/min, reducing rate is that 14-15% carries out drawing, until a diameter of 2-3 mm；By line base
Be incubated 4 hours at 320 DEG C, then adjust drawing speed be 15m/min, reducing rate be that 17-18% carries out drawing, until a diameter of
0.7-1mm。
(7) Ageing Treatment: after drawing, carries out Ageing Treatment, aging temp 420 DEG C, aging time by aluminium alloy wires
12h；Obtain aluminium alloy core.
(8) aluminium alloy core being divided into two parts, a part of aluminium alloy core carries out copper alloy clad, each group of copper alloy
Point weight/mass percentage composition is: Al 5-6%, Zn 3-4%, Mg 1-2%, Sn 0.4-0.5%, Cr 0.2-0.3%, surplus is
Copper；Another part aluminium alloy core carries out nickel alloy cladding, and each constituent mass percentage composition of nickel alloy is: Cr 1-2%, Al
0.7-0.8%, Mg 0.5-0.6%, Mn 0.3-0.4%, Zn 0.1-0.2%, surplus is nickel.
(9) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is incubated 10 at 430 DEG C
Hour.
(10) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is carried out twisted wire.
(11) by heating extruding machine, insulating material is formed molten state, will under shaping grinding tool and squeeze pressure effect
Insulating material is extruded on twisted wire formation cable continuously.Described insulating material includes (weight portion): ACM 90-
100 parts, epichlorohydrin rubber 50-60 part, Corvic 40-50 part, APP 20-30 part, pentaerythritol tetrabenzoate
10-15 part, precipitated silica 15-20 part, polystyrene 10-15 part, wollastonite in powder 30-40 part, calcined kaolin 25-30
Part, triethyl citrate 4-10 part, age resistor 4-5 part, antioxidant 1-2 part.
The preparation method of described single strand cable, each constituent mass percentage composition of aluminium alloy core is: Mg 3%, Sn
0.8%, Zn 0.5%, Fe 0.4%, Sb 0.4%, Cr 0.2%, Mn 0.08%, Ag 0.06%, Ti 0.04%, Zr
0.02%, Y 0.02%, surplus is aluminium and inevitable nonmetal inclusion.
The preparation method of described single strand cable, each constituent mass percentage composition of aluminium alloy core is: Mg 4%, Sn
0.9%, Zn 0.6%, Fe 0.5%, Sb 0.5%, Cr 0.3%, Mn 0.09%, Ag 0.07%, Ti 0.05%, Zr
0.03%, Y 0.03%, surplus is aluminium and inevitable nonmetal inclusion.
The preparation method of described single strand cable, each constituent mass percentage composition of aluminium alloy core is: Mg 3.5%,
Sn 0.85%, Zn 0.55%, Fe 0.45%, Sb 0.45%, Cr 0.25%, Mn 0.085%, Ag 0.065%, Ti
0.045%, Zr 0.025%, Y 0.025%, surplus is aluminium and inevitable nonmetal inclusion.
The preparation method of described single strand cable, each constituent mass percentage composition of copper alloy is: Al 5%, Zn
3%, Mg 1%, Sn 0.4%, Cr 0.2%, surplus is copper.
The preparation method of described single strand cable, each constituent mass percentage composition of copper alloy is: Al 6%, Zn
4%, Mg 2%, Sn 0.5%, Cr 0.3%, surplus is copper.
The preparation method of described single strand cable, each constituent mass percentage composition of copper alloy is: Al 5.5%, Zn
3.5%, Mg 1.5%, Sn 0.45%, Cr 0.25%, surplus is copper.
The preparation method of described single strand cable, each constituent mass percentage composition of nickel alloy is: Cr 1%, Al
0.7%, Mg 0.5%, Mn 0.3%, Zn 0.1%, surplus is nickel.
The preparation method of described single strand cable, each constituent mass percentage composition of nickel alloy is: Cr 2%, Al
0.8%, Mg 0.6%, Mn 0.4%, Zn 0.2%, surplus is nickel.
The preparation method of described single strand cable, each constituent mass percentage composition of nickel alloy is: Cr 1.5%, Al
0.75%, Mg 0.55%, Mn 0.35%, Zn 0.15%, surplus is nickel.
Cable surface can also set up screen layer and protective layer as required.
Beneficial effects of the present invention:
Use the tensile strength of single strand cable prepared by this technique for more than 18kg/mm2；Yield strength is more than 15kg/
mm2；Percentage elongation is 8%；Conductance is more than 69%IACS.By aluminium alloy wires is coated with nickel alloy and copper alloy and insulation material
Expect thus improve the weatherability of aluminium alloy conductor, effectively extend its service life.Preparation technology is easily operated, feasible, production
Low cost, it is adaptable to the production of small batch high-strength highly-conductive aluminium alloy conductor cable.
Detailed description of the invention
Embodiment 1
A kind of preparation method of single strand cable:
Described cable includes that the twisted wire that both threads material is formed, twisted wire outer layer are insulating barrier, and wherein single line material includes that aluminium closes
Gold core and the copper alloy layer of aluminium alloy core outer wrapping, another root wire rod includes aluminium alloy core and aluminium alloy core outer wrapping
Nickel alloy layer,
Each constituent mass percentage composition of aluminium alloy core is: Mg 3%, Sn 0.8%, Zn 0.5%, Fe 0.4%, Sb
0.4%, Cr 0.2%, Mn 0.08%, Ag 0.06%, Ti 0.04%, Zr 0.02%, Y 0.02%, surplus is aluminium and not
Evitable nonmetal inclusion,
The preparation method of described cable:
(1) each component raw material is put into smelting furnace, and at 780-790 DEG C, carry out melting, treat that raw material all melts, stirring
40min；Being subsequently adding refining agent to refine, refining temperature is 710 DEG C, and refining time is 30min, stands 50min after skimming,
Adjusting temperature again to 700 DEG C, logical 40%Ar and 60%CO mixed gas refinery by de-gassing 30 min in aluminium liquid, gas flow is 3m3/
Min, stands 60 min, makes oxidizing slag fully float, and starts casting after skimming.
(2) using semicontinuous direct water-cooling casting method to cast, casting temperature is 740 DEG C, casting speed 100mm/
Min, cooling water pressure 0.35MPa, cooling water flow is 2000L/min.
(3) strand is carried out Homogenization Treatments: be first warming up to 420 DEG C with 50 DEG C/h, be incubated 7h, then be warming up to 30 DEG C/h
510 DEG C, it is incubated 3h, then is warming up to 530 DEG C with 20 DEG C/h, be incubated 7h, be then cooled to 430 DEG C with 50 DEG C/h, be incubated 10h, so
After be cooled to 200 DEG C with 80 DEG C/h, be incubated 6h, air cooling is to room temperature.
(4) forging: heating furnace put into by strand, and heating furnace is warming up to 480 DEG C, is incubated 5min, forging temperature 480-390
℃。
(5) blank heating after forging to 430 DEG C and is taken out after being incubated 6h, in being directly placed into extruder, be squeezed into Φ
12mm bar, extrusion speed is 3-3.5m/min.
(6) drawing tube reducing: by rods and bars of aluminium alloy, proceed drawing tube reducing with wire drawing machine, use 5m/min on wire drawing machine
Speed, the reducing rate drawing aluminium alloy wire base of 12-13%, be finally reached a diameter of 5mm；Line base is incubated 2 at 380-390 DEG C
Hour, afterwards, adjustment drawing speed is 12m/min, reducing rate is that 14-15% carries out being drawn to a diameter of 2 mm；Line base is existed
320 DEG C be incubated 4 hours, then adjust drawing speed be 15m/min, reducing rate be that 17-18% carries out being drawn to diameter 0.7mm.
(7) Ageing Treatment: after drawing, carries out Ageing Treatment, aging temp 420 DEG C, aging time by aluminium alloy wires
12h；Obtain aluminium alloy core.
(8) aluminium alloy core being divided into two parts, a part of aluminium alloy core carries out copper alloy clad, each group of copper alloy
Point weight/mass percentage composition is: Al 5%, Zn 3%, Mg 1%, Sn 0.4%, Cr 0.2%, surplus is copper；Another part aluminium
Alloy core material carries out nickel alloy cladding, and each constituent mass percentage composition of nickel alloy is: Cr 1%, Al 0.7%, Mg 0.5%,
Mn 0.3%, Zn 0.1%, surplus is nickel.
(9) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is incubated 10 at 430 DEG C
Hour.
(10) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is carried out twisted wire.
(11) by heating extruding machine, insulating material is formed molten state, will under shaping grinding tool and squeeze pressure effect
Insulating material is extruded on twisted wire formation cable continuously.Described insulating material includes (weight portion): ACM 90
Part, epichlorohydrin rubber 50 parts, Corvic 40 parts, APP 20 parts, pentaerythritol tetrabenzoate 10 parts, the precipitation method are white
Carbon black 15 parts, polystyrene 10 parts, wollastonite in powder 30 parts, calcined kaolin 25 parts, triethyl citrate 4 parts, 4 parts of age resistor,
1 part of antioxidant.
The tensile strength using single strand cable prepared by this technique after tested is 19kg/mm2；Yield strength 16kg/
mm2；Percentage elongation is 8%；Conductance 70%IACS.
Embodiment 2
A kind of preparation method of single strand cable:
Described cable includes that the twisted wire that both threads material is formed, twisted wire outer layer are insulating barrier, and wherein single line material includes that aluminium closes
Gold core and the copper alloy layer of aluminium alloy core outer wrapping, another root wire rod includes aluminium alloy core and aluminium alloy core outer wrapping
Nickel alloy layer,
Each constituent mass percentage composition of aluminium alloy core is: Mg 4%, Sn 0.9%, Zn 0.6%, Fe 0.5%, Sb
0.5%, Cr 0.3%, Mn 0.09%, Ag 0.07%, Ti 0.05%, Zr 0.03%, Y 0.03%, surplus is aluminium and not
Evitable nonmetal inclusion,
The preparation method of described cable:
(1) each component raw material is put into smelting furnace, and at 780-790 DEG C, carry out melting, treat that raw material all melts, stirring
40min；Being subsequently adding refining agent to refine, refining temperature is 710 DEG C, and refining time is 30min, stands 50min after skimming,
Adjusting temperature again to 700 DEG C, logical 40%Ar and 60%CO mixed gas refinery by de-gassing 30 min in aluminium liquid, gas flow is 3m3/
Min, stands 60 min, makes oxidizing slag fully float, and starts casting after skimming.
(2) using semicontinuous direct water-cooling casting method to cast, casting temperature is 740 DEG C, casting speed 100mm/
Min, cooling water pressure 0.35MPa, cooling water flow is 2000L/min.
(3) strand is carried out Homogenization Treatments: be first warming up to 420 DEG C with 50 DEG C/h, be incubated 7h, then be warming up to 30 DEG C/h
510 DEG C, it is incubated 3h, then is warming up to 530 DEG C with 20 DEG C/h, be incubated 7h, be then cooled to 430 DEG C with 50 DEG C/h, be incubated 10h, so
After be cooled to 200 DEG C with 80 DEG C/h, be incubated 6h, air cooling is to room temperature.
(4) forging: heating furnace put into by strand, and heating furnace is warming up to 480 DEG C, is incubated 5min, forging temperature 480-390
℃。
(5) blank heating after forging to 430 DEG C and is taken out after being incubated 6h, in being directly placed into extruder, be squeezed into Φ
12mm bar, extrusion speed is 3-3.5m/min.
(6) drawing tube reducing: by rods and bars of aluminium alloy, proceed drawing tube reducing with wire drawing machine, use 5m/min on wire drawing machine
Speed, the reducing rate drawing aluminium alloy wire base of 12-13%, be finally reached a diameter of 5mm；Line base is incubated 2 at 380-390 DEG C
Hour, afterwards, adjustment drawing speed is 12m/min, reducing rate is that 14-15% carries out being drawn to a diameter of 2 mm；Line base is existed
320 DEG C be incubated 4 hours, then adjust drawing speed be 15m/min, reducing rate be that 17-18% carries out being drawn to diameter 0.7mm.
(7) Ageing Treatment: after drawing, carries out Ageing Treatment, aging temp 420 DEG C, aging time by aluminium alloy wires
12h；Obtain aluminium alloy core.
(8) aluminium alloy core being divided into two parts, a part of aluminium alloy core carries out copper alloy clad, each group of copper alloy
Point weight/mass percentage composition is: Al 6%, Zn 4%, Mg 2%, Sn 0.5%, Cr 0.3%, surplus is copper；Another part aluminium
Alloy core material carries out nickel alloy cladding, and each constituent mass percentage composition of nickel alloy is: Cr 2%, Al 0.8%, Mg 0.6%,
Mn 0.4%, Zn 0.2%, surplus is nickel.
(9) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is incubated 10 at 430 DEG C
Hour.
(10) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is carried out twisted wire.
(11) by heating extruding machine, insulating material is formed molten state, will under shaping grinding tool and squeeze pressure effect
Insulating material is extruded on twisted wire formation cable continuously.Described insulating material includes (weight portion): ACM 100
Part, epichlorohydrin rubber 60 parts, Corvic 50 parts, APP 30 parts, pentaerythritol tetrabenzoate 15 parts, the precipitation method are white
Carbon black 20 parts, polystyrene 15 parts, wollastonite in powder 40 parts, calcined kaolin 30 parts, triethyl citrate 10 parts, 5 parts of age resistor,
2 parts of antioxidant.
The tensile strength using single strand cable prepared by this technique after tested is 19kg/mm2；Yield strength 17kg/
mm2；Percentage elongation is 8%；Conductance 70%IACS.
Embodiment 3
A kind of preparation method of single strand cable,
Described cable includes that the twisted wire that both threads material is formed, twisted wire outer layer are insulating barrier, and wherein single line material includes that aluminium closes
Gold core and the copper alloy layer of aluminium alloy core outer wrapping, another root wire rod includes aluminium alloy core and aluminium alloy core outer wrapping
Nickel alloy layer,
Each constituent mass percentage composition of aluminium alloy core is: Mg 3.5%, Sn 0.85%, Zn 0.55%, Fe
0.45%, Sb 0.45%, Cr 0.25%, Mn 0.085%, Ag 0.065%, Ti 0.045%, Zr 0.025%, Y
0.025%, surplus is aluminium and inevitable nonmetal inclusion,
The preparation method of described cable:
(1) each component raw material is put into smelting furnace, and at 780-790 DEG C, carry out melting, treat that raw material all melts, stirring
40min；Being subsequently adding refining agent to refine, refining temperature is 710 DEG C, and refining time is 30min, stands 50min after skimming,
Adjusting temperature again to 700 DEG C, logical 40%Ar and 60%CO mixed gas refinery by de-gassing 30 min in aluminium liquid, gas flow is 3m3/
Min, stands 60 min, makes oxidizing slag fully float, and starts casting after skimming.
(2) using semicontinuous direct water-cooling casting method to cast, casting temperature is 740 DEG C, casting speed 100mm/
Min, cooling water pressure 0.35MPa, cooling water flow is 2000L/min.
(3) strand is carried out Homogenization Treatments: be first warming up to 420 DEG C with 50 DEG C/h, be incubated 7h, then be warming up to 30 DEG C/h
510 DEG C, it is incubated 3h, then is warming up to 530 DEG C with 20 DEG C/h, be incubated 7h, be then cooled to 430 DEG C with 50 DEG C/h, be incubated 10h, so
After be cooled to 200 DEG C with 80 DEG C/h, be incubated 6h, air cooling is to room temperature.
(4) forging: heating furnace put into by strand, and heating furnace is warming up to 480 DEG C, is incubated 5min, forging temperature 480-390
℃。
(5) blank heating after forging to 430 DEG C and is taken out after being incubated 6h, in being directly placed into extruder, be squeezed into Φ
12mm bar, extrusion speed is 3-3.5m/min.
(6) drawing tube reducing: by rods and bars of aluminium alloy, proceed drawing tube reducing with wire drawing machine, use 5m/min on wire drawing machine
Speed, the reducing rate drawing aluminium alloy wire base of 12-13%, be finally reached a diameter of 5mm；Line base is incubated 2 at 380-390 DEG C
Hour, afterwards, adjustment drawing speed is 12m/min, reducing rate is that 14-15% carries out being drawn to a diameter of 2 mm；Line base is existed
320 DEG C be incubated 4 hours, then adjust drawing speed be 15m/min, reducing rate be that 17-18% carries out being drawn to diameter 0.7mm.
(7) Ageing Treatment: after drawing, carries out Ageing Treatment, aging temp 420 DEG C, aging time by aluminium alloy wires
12h；Obtain aluminium alloy core.
(8) aluminium alloy core being divided into two parts, a part of aluminium alloy core carries out copper alloy clad, each group of copper alloy
Point weight/mass percentage composition is: Al 5.5%, Zn 3.5%, Mg 1.5%, Sn 0.45%, Cr 0.25%, surplus is copper；Another
Part aluminium alloy core carries out nickel alloy cladding, and each constituent mass percentage composition of nickel alloy is: Cr 1.5%, Al 0.75%,
Mg 0.55%, Mn 0.35%, Zn 0.15%, surplus is nickel.
(9) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is incubated 10 at 430 DEG C
Hour.
(10) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is carried out twisted wire.
(11) by heating extruding machine, insulating material is formed molten state, will under shaping grinding tool and squeeze pressure effect
Insulating material is extruded on twisted wire formation cable continuously.Described insulating material includes (weight portion): ACM 95
Part, epichlorohydrin rubber 55 parts, Corvic 45 parts, APP 25 parts, pentaerythritol tetrabenzoate 13 parts, the precipitation method are white
Carbon black 17 parts, polystyrene 13 parts, wollastonite in powder 35 parts, calcined kaolin 27 parts, triethyl citrate 7 parts, age resistor 4.5
Part, 1.5 parts of antioxidant.
The tensile strength using single strand cable prepared by this technique after tested is 18.5kg/mm2；Yield strength
15.5kg/mm2；Percentage elongation is 8%；Conductance 70%IACS.
Embodiment 4
A kind of preparation method of single strand cable:
Described cable includes that the twisted wire that both threads material is formed, twisted wire outer layer are insulating barrier, and wherein single line material includes that aluminium closes
Gold core and the copper alloy layer of aluminium alloy core outer wrapping, another root wire rod includes aluminium alloy core and aluminium alloy core outer wrapping
Nickel alloy layer,
Each constituent mass percentage composition of aluminium alloy core is: Mg 3.3%, Sn 0.87%, Zn 0.52%, Fe
0.48%, Sb 0.47%, Cr 0.22%, Mn 0.083%, Ag 0.064%, Ti 0.041%, Zr 0.029%, Y
0.027%, surplus is aluminium and inevitable nonmetal inclusion,
The preparation method of described cable:
(1) each component raw material is put into smelting furnace, and at 780-790 DEG C, carry out melting, treat that raw material all melts, stirring
40min；Being subsequently adding refining agent to refine, refining temperature is 710 DEG C, and refining time is 30min, stands 50min after skimming,
Adjusting temperature again to 700 DEG C, logical 40%Ar and 60%CO mixed gas refinery by de-gassing 30 min in aluminium liquid, gas flow is 3m3/
Min, stands 60 min, makes oxidizing slag fully float, and starts casting after skimming.
(2) using semicontinuous direct water-cooling casting method to cast, casting temperature is 740 DEG C, casting speed 100mm/
Min, cooling water pressure 0.35MPa, cooling water flow is 2000L/min.
(3) strand is carried out Homogenization Treatments: be first warming up to 420 DEG C with 50 DEG C/h, be incubated 7h, then be warming up to 30 DEG C/h
510 DEG C, it is incubated 3h, then is warming up to 530 DEG C with 20 DEG C/h, be incubated 7h, be then cooled to 430 DEG C with 50 DEG C/h, be incubated 10h, so
After be cooled to 200 DEG C with 80 DEG C/h, be incubated 6h, air cooling is to room temperature.
(4) forging: heating furnace put into by strand, and heating furnace is warming up to 480 DEG C, is incubated 5min, forging temperature 480-390
℃。
(5) blank heating after forging to 430 DEG C and is taken out after being incubated 6h, in being directly placed into extruder, be squeezed into Φ
12mm bar, extrusion speed is 3-3.5m/min.
(6) drawing tube reducing: by rods and bars of aluminium alloy, proceed drawing tube reducing with wire drawing machine, use 5m/min on wire drawing machine
Speed, the reducing rate drawing aluminium alloy wire base of 12-13%, be finally reached a diameter of 5mm；Line base is incubated 2 at 380-390 DEG C
Hour, afterwards, adjustment drawing speed is 12m/min, reducing rate is that 14-15% carries out being drawn to a diameter of 2 mm；Line base is existed
320 DEG C be incubated 4 hours, then adjust drawing speed be 15m/min, reducing rate be that 17-18% carries out being drawn to diameter 0.7mm.
(7) Ageing Treatment: after drawing, carries out Ageing Treatment, aging temp 420 DEG C, aging time by aluminium alloy wires
12h；Obtain aluminium alloy core.
(8) aluminium alloy core being divided into two parts, a part of aluminium alloy core carries out copper alloy clad, each group of copper alloy
Point weight/mass percentage composition is: Al 5.8%, Zn 3.4%, Mg 1.2%, Sn 0.46%, Cr 0.26%, surplus is copper；Separately
A part of aluminium alloy core carries out nickel alloy cladding, and each constituent mass percentage composition of nickel alloy is: Cr 1.7%, Al
0.72%, Mg 0.53%, Mn 0.35%, Zn 0.17%, surplus is nickel.
(9) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is incubated 10 at 430 DEG C
Hour.
(10) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is carried out twisted wire.
(11) by heating extruding machine, insulating material is formed molten state, will under shaping grinding tool and squeeze pressure effect
Insulating material is extruded on twisted wire formation cable continuously.Described insulating material includes (weight portion): ACM 98
Part, epichlorohydrin rubber 56 parts, Corvic 43 parts, APP 24 parts, pentaerythritol tetrabenzoate 11 parts, the precipitation method are white
Carbon black 18 parts, polystyrene 14 parts, wollastonite in powder 39 parts, calcined kaolin 27 parts, triethyl citrate 9 parts, age resistor 4.7
Part, 1.9 parts of antioxidant.
The tensile strength using single strand cable prepared by this technique after tested is 19kg/mm2；Yield strength 15.5kg/
mm2；Percentage elongation is 8%；Conductance 70%IACS.
Claims (10)
1. the preparation method of a single strand cable, it is characterised in that:
Described cable includes that the twisted wire that both threads material is formed, twisted wire outer layer are insulating barrier, and wherein single line material includes aluminium alloy core
Material and the copper alloy layer of aluminium alloy core outer wrapping, another root wire rod includes aluminium alloy core and the nickel of aluminium alloy core outer wrapping
Alloy-layer,
Each constituent mass percentage composition of aluminium alloy core is: Mg 3-4%, Sn 0.8-0.9%, Zn 0.5-0.6%, Fe
0.4-0.5%, Sb 0.4-0.5%, Cr 0.2-0.3%, Mn 0.08-0.09%, Ag 0.06-0.07%, Ti 0.04-
0.05%, Zr 0.02-0.03%, Y 0.02-0.03%, surplus is aluminium and inevitable nonmetal inclusion,
The preparation method of described cable:
(1) each for aluminium alloy component raw material is put into smelting furnace, and at 780-790 DEG C, carry out melting, treat that raw material all melts, stir
Mix 40min；Being subsequently adding refining agent to refine, refining temperature is 710 DEG C, and refining time is 30min, stands after skimming
50min, then adjust temperature to 700 DEG C, logical 40%Ar and 60%CO mixed gas refinery by de-gassing 30 min, gas flow in aluminium liquid
For 3m3/ min, stands 60 min, makes oxidizing slag fully float, and starts casting after skimming；
(2) using semicontinuous direct water-cooling casting method to cast, casting temperature is 740 DEG C, casting speed 100mm/min,
Cooling water pressure 0.35MPa, cooling water flow is 2000L/min；
(3) strand is carried out Homogenization Treatments: be first warming up to 420 DEG C with 50 DEG C/h, be incubated 7h, then be warming up to 510 with 30 DEG C/h
DEG C, be incubated 3h, then be warming up to 530 DEG C with 20 DEG C/h, be incubated 7h, be then cooled to 430 DEG C with 50 DEG C/h, be incubated 10h, then with
80 DEG C/h is cooled to 200 DEG C, is incubated 6h, and air cooling is to room temperature；
(4) forging: heating furnace put into by strand, and heating furnace is warming up to 480 DEG C, is incubated 5min, forging temperature 480-390 DEG C；
(5) blank heating after forging to 430 DEG C and is taken out after being incubated 6h, in being directly placed into extruder, be squeezed into Φ 12mm rod
Material, extrusion speed is 3-3.5m/min；
(6) drawing tube reducing: rods and bars of aluminium alloy wire drawing machine is proceeded drawing tube reducing, by the speed of 5m/min on wire drawing machine
Degree, the reducing rate drawing aluminium alloy wire base of 12-13%, until a diameter of 5-6mm；Line base is incubated 2 hours at 380-390 DEG C,
Afterwards, adjustment drawing speed is 12m/min, reducing rate is that 14-15% carries out drawing, until a diameter of 2-3 mm；Line base is existed
320 DEG C are incubated 4 hours, then adjust drawing speed be 15m/min, reducing rate be that 17-18% carries out drawing, until a diameter of 0.7-
1mm；
(7) Ageing Treatment: after drawing, carries out Ageing Treatment, aging temp 420 DEG C, aging time 12h by aluminium alloy wires；?
To aluminium alloy core；
(8) aluminium alloy core being divided into two parts, a part of aluminium alloy core carries out copper alloy clad, each component matter of copper alloy
Amount percentage composition is: Al 5-6%, Zn 3-4%, Mg 1-2%, Sn 0.4-0.5%, Cr 0.2-0.3%, surplus is copper；Separately
A part of aluminium alloy core carries out nickel alloy cladding, and each constituent mass percentage composition of nickel alloy is: Cr 1-2%, Al 0.7-
0.8%, Mg 0.5-0.6%, Mn 0.3-0.4%, Zn 0.1-0.2%, surplus is nickel；
(9) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is incubated 10 hours at 430 DEG C；
(10) the aluminium alloy core after the aluminium alloy core after coated copper alloy and cladding nickel alloy is carried out twisted wire；
(11) by heating extruding machine, insulating material is formed molten state, will insulation under shaping grinding tool and squeeze pressure effect
Body material is extruded on twisted wire formation cable continuously, and described insulating material includes (weight portion): ACM 90-100
Part, epichlorohydrin rubber 50-60 part, Corvic 40-50 part, APP 20-30 part, pentaerythritol tetrabenzoate 10-
15 parts, precipitated silica 15-20 part, polystyrene 10-15 part, wollastonite in powder 30-40 part, calcined kaolin 25-30 part, lemon
Lemon triethylenetetraminehexaacetic acid ester 4-10 part, age resistor 4-5 part, antioxidant 1-2 part.
2. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of aluminium alloy core is:
Mg 3%, Sn 0.8%, Zn 0.5%, Fe 0.4%, Sb 0.4%, Cr 0.2%, Mn 0.08%, Ag 0.06%, Ti
0.04%, Zr 0.02%, Y 0.02%, surplus is aluminium and inevitable nonmetal inclusion.
3. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of aluminium alloy core is:
Mg 4%, Sn 0.9%, Zn 0.6%, Fe 0.5%, Sb 0.5%, Cr 0.3%, Mn 0.09%, Ag 0.07%, Ti
0.05%, Zr 0.03%, Y 0.03%, surplus is aluminium and inevitable nonmetal inclusion.
4. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of aluminium alloy core is:
Mg 3.5%, Sn 0.85%, Zn 0.55%, Fe 0.45%, Sb 0.45%, Cr 0.25%, Mn 0.085%, Ag
0.065%, Ti 0.045%, Zr 0.025%, Y 0.025%, surplus is aluminium and inevitable nonmetal inclusion.
5. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of copper alloy is: Al
5%, Zn 3%, Mg 1%, Sn 0.4%, Cr 0.2%, surplus is copper.
6. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of copper alloy is: Al
6%, Zn 4%, Mg 2%, Sn 0.5%, Cr 0.3%, surplus is copper.
7. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of copper alloy is: Al
5.5%, Zn 3.5%, Mg 1.5%, Sn 0.45%, Cr 0.25%, surplus is copper.
8. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of nickel alloy is: Cr
1%, Al 0.7%, Mg 0.5%, Mn 0.3%, Zn 0.1%, surplus is nickel.
9. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of nickel alloy is: Cr
2%, Al 0.8%, Mg 0.6%, Mn 0.4%, Zn 0.2%, surplus is nickel.
10. the preparation method of single strand cable as claimed in claim 1, each constituent mass percentage composition of nickel alloy is: Cr
1.5%, Al 0.75%, Mg 0.55%, Mn 0.35%, Zn 0.15%, surplus is nickel.
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| CN104361942B (en) * | 2014-11-28 | 2016-08-24 | 国家电网公司 | A kind of simple lay wire aluminium alloy core cable and preparation method thereof |
| CN104361921B (en) * | 2014-11-28 | 2016-12-07 | 国家电网公司 | One Albatra metal single-core cable and preparation method thereof |
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| JP2008130241A (en) * | 2006-11-16 | 2008-06-05 | Du Pont Toray Co Ltd | Conductive high strength cord and its manufacturing method |
| CN102982888A (en) * | 2012-11-29 | 2013-03-20 | 安徽徽宁电器仪表集团有限公司 | Copper-coated aluminum-nickel alloy communication cable and preparation method thereof |
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| CN103881262A (en) * | 2014-02-14 | 2014-06-25 | 安徽旺达铜业发展有限公司 | Oilproof polyvinyl chloride cable material for electric wires and cables and preparation method thereof |
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| JP2008130241A (en) * | 2006-11-16 | 2008-06-05 | Du Pont Toray Co Ltd | Conductive high strength cord and its manufacturing method |
| CN102982888A (en) * | 2012-11-29 | 2013-03-20 | 安徽徽宁电器仪表集团有限公司 | Copper-coated aluminum-nickel alloy communication cable and preparation method thereof |
| CN103050188A (en) * | 2012-12-21 | 2013-04-17 | 江苏中容铜业有限公司 | Method for producing oxygen-free copper alloy-clad aluminum conductor for use in communication |
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