CN108411170A - A kind of preparation method of high-magnesium aluminum alloy welding wire - Google Patents
A kind of preparation method of high-magnesium aluminum alloy welding wire Download PDFInfo
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- CN108411170A CN108411170A CN201810318383.5A CN201810318383A CN108411170A CN 108411170 A CN108411170 A CN 108411170A CN 201810318383 A CN201810318383 A CN 201810318383A CN 108411170 A CN108411170 A CN 108411170A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 109
- 238000003466 welding Methods 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 80
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 80
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000004411 aluminium Substances 0.000 claims abstract description 27
- 238000009749 continuous casting Methods 0.000 claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 238000005266 casting Methods 0.000 claims abstract description 20
- 239000011265 semifinished product Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 238000000137 annealing Methods 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003723 Smelting Methods 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000011282 treatment Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000007711 solidification Methods 0.000 claims abstract description 12
- 230000008023 solidification Effects 0.000 claims abstract description 12
- 239000000155 melt Substances 0.000 claims abstract description 6
- 238000005491 wire drawing Methods 0.000 claims abstract description 6
- 238000002425 crystallisation Methods 0.000 claims abstract description 3
- 230000008025 crystallization Effects 0.000 claims abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 30
- 239000000498 cooling water Substances 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 23
- 238000007872 degassing Methods 0.000 claims description 21
- 239000000919 ceramic Substances 0.000 claims description 17
- 229910052786 argon Inorganic materials 0.000 claims description 15
- 238000005275 alloying Methods 0.000 claims description 14
- 239000000839 emulsion Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 238000007670 refining Methods 0.000 claims description 11
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 10
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011777 magnesium Substances 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 5
- 239000000274 aluminium melt Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 5
- 239000011812 mixed powder Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 238000004945 emulsification Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000004321 preservation Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/005—Continuous casting of metals, i.e. casting in indefinite lengths of wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/286—Al as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
-
- 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
- C22C1/026—Alloys based on aluminium
-
- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- 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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Continuous Casting (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to aluminium alloy welding wire technical field, especially a kind of preparation method of high-magnesium aluminum alloy welding wire；Including：Commercial-purity aluminium is heated to melting in smelting furnace, obtains alloy melt, purified treatment is carried out to melt, heat preservation stands 30-45 minutes；By keeping the temperature the melt after standing, silk is fed online, it is cooling, continuous continuous solidification is at aluminium alloy wire bar, by the aluminium alloy wire bar of the continuous casting forming continuously detached with crystallization copper wheel, aluminium alloy wire bar is fed in Continuous mill train, and wire rod automatic rolling on wire drawing machine is coiled, and nitrogen protects the semi-finished product annealing that aluminium welding wire is carried out in annealing shield when coiled semi-finished product aluminum alloy welding silk thread is just put into；Casting and rolling process is effectively combined with system control forming in the present invention, prepares the raw material lever of high-magnesium aluminum alloy welding material, technique serialization degree is high, is conducive to the yield and quality for improving alloy, reduces manufacturing cost.
Description
Technical field
The present invention relates to aluminium alloy welding wire technical field, especially a kind of preparation method of high-magnesium aluminum alloy welding wire.
Background technology
In recent years, the fields such as China's aerospace, high ferro high speed development, wins a series of victories.This is also in aerospace, height
More stringent requirements are proposed for non-ferrous metal-aluminium alloy that the fields such as iron, automobile are most widely used.It is with aluminium alloy with high ferro
Example, compartment is formed by the wide thin-wall aluminum alloy Member Welding of Large Flat.And the feelings that the performance of welding structural element is certain in base material
Under condition, the performance of welding wire is depended on.
High-performance aluminium alloy welding wire is the emphasis new material that China is badly in need of at present.And the aluminium that Chinese Enterprises are produced at present closes
Gold solder silk is compared with advanced aluminium alloy welding wire manufacturer in the world, also prodigious gap.China mainly uses at present partly to be connected
Continuous casting-extrusion, the Quality of Final Welding Wire of production is unstable, seriously affects the quality of weld seam.And after semi-continuous casting, need to carry out
Ingot homogenization is annealed, and time and effort consuming increases the consumption of the energy；It squeezes or horizontal casting aluminum alloy welding bar is because disk weight is small, it cannot
For continuously elongated forming, continuously elongated forming needs the raw material lever that its shallow bid raw material lever is welded into deep bid, thus leads to group
The problem of knitting with performance etc. etc..And casting and rolling process is energy-saving, and it is cost-effective, there is apparent economic benefit and society
It can benefit.
Invention content
The purpose of the present invention is：A kind of preparation method of high-magnesium aluminum alloy welding wire is provided, the preparation method serialization degree
Height is conducive to the yield and quality for improving alloy, reduces manufacturing cost, realize large plastometric set, realize ingot structure
Effectively refinement and homogenization.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of preparation method of high-magnesium aluminum alloy welding wire, the preparation method comprises the following steps：
（1）Commercial-purity aluminium is heated to melting in smelting furnace, when temperature of aluminum liquid reaches 740-780 DEG C, by with smelting furnace, protect
The connected turn of tidal stream chute of warm stove imports molten aluminum in holding furnace from smelting furnace, and intermediate alloy and metal are added in turn of tidal stream chute
Mg, washing away and stirring and enter together in the holding furnace of bottom blowing nitrogen or argon gas with aluminum melt, allows alloying element protecting
Melt and homogenize completely in warm stove, keeps the micro-positive pressure of nitrogen or argon gas in stove, obtain alloy melt；
（2）Purified treatment is carried out to melt, purified treatment includes degasification, cleans, skims, covers, to aluminum melt alloying component into
Row both analysis, is adjusted bath composition, until reaching component requirements, when the temperature of aluminium alloy melt reaches 740
DEG C when, to melt carry out high pure nitrogen continuously remove gas shielded, uniformly spread last layer coverture in aluminium melt surface after skimming, protect
Temperature stands 30-45 minutes；
（3）By keeping the temperature the melt after standing, is released from holding furnace by chute is released, realized online releasing in chute
Feed silk, aluminum melt, which is successively flowed through through releasing chute, is connected on online degasification and the ceramic filter system of back, completes outside aluminum melt stove
After degasification and ceramic filter, by the chute being connected to running gate system with ceramic filter, aluminum melt flows successively through casting ladle, intermediate
Casting ladle is finally poured by lower casting ladle level in conticaster, cooling, continuous continuous solidification at aluminium alloy wire bar, the wire bar of solidification by
The ingot device that picks in conticaster is continuously rejected, and realizes that aluminium alloy wire bar is detached with the continuous of continuous casting crystallining copper wheel；
（4）By the aluminium alloy wire bar of the continuous casting forming continuously detached with crystallization copper wheel, by curve ingot access bridge, in continuous casting and continuous rolling mill
The effect of active front haulage cuts wire bar material head by crop(ping)shears, is straightened subsequently into straightener, continues through frequency multiplication heater
Heating, under the action of active feed system, aluminium alloy wire bar is fed in Continuous mill train；
（5）Using the aluminium alloy rod of a diameter of 6.0-9.5mm of continuous casting and rolling forming as raw material, to extend system on water tank stretching-machine
Number is 1.12-1.58, and the semi-finished product aluminium alloy welding wire wire rod of a diameter of 3.23-2.63mm is stretched as by 6-10 passages, even
Continuous bracing wire end of a period pull wire speed is 750m/Min, and wire rod automatic rolling on wire drawing machine is coiled；
（6）The semi-finished product that aluminium welding wire is carried out in nitrogen guarantor annealing shield when coiled semi-finished product aluminum alloy welding silk thread is just put into move back
Fire.
Preferably, the step（1）The mass percentage of middle alloy melt is as follows：Fe:0.4%、Si:0.4%、Cu:
0.1%、Mn:0.05-0.20%、Mg:4.5-5.5%、Cr:0.05-0.20%、Zn:0.1%、Ti:0.06-0.2%、Be:0.006%,
Other：≤ 0.05%, impurity summation is no more than 0.15%, remaining is Al.
Preferably, the step（1）In smelting furnace be the vertical aluminium melting furnace of dual chamber, double vertical aluminium melting furnaces be it is funnel shaped in
Burner hearth, fire box temperature is 900-1050 DEG C when aluminum melting, melt temperature is 740~760 DEG C.
Preferably, the step（1）The additive amount of middle intermediate alloy is Al-10%Cr, Al-10%Mn.
Preferably, the step（2）Middle purified treatment specifically includes：Melt quality score 0.1-0.2 is added into melt
The C of %2Cl6Injection refining is carried out with the uniform mixed powder without sodium solvent of 0.2-0.4%, degasification deslagging refining is carried out to melt,
Then it is 30-45 minutes concise to carry out bottom blowoff gas with high pure nitrogen or argon gas.
Preferably, the mass percentage composition of the no sodium solvent is as follows： 45-55%KCl、20-30%K2CO3、10-
15%AlF3、5-20%LiCl。
Preferably, the step（3）The inlet temperature that middle molten aluminum pours into conticaster is 690-730 DEG C, and molten aluminum flows into rotating speed
In the cavity that the conticaster copper wheel notch of 12RPM is constituted with steel band, cooling water in running gate system, outer cooling water, inside cooling water
Cooling water pressure with outside cooling water is 0.1-0.3MPA, cooling water flow 50-100T/h.
Preferably, the step（3）The crystalline copper wheel notch area of section that middle molten aluminum pours into conticaster is 700-
1480mm2, crystallizing wheel outer diameter is Φ 1100- Φ 1600mm；
Preferably, the step（4）Enter to roll 500-560 DEG C of temperature in middle feeding Continuous mill train, it is 320-480 to go out to roll temperature
℃；It is 30-100T/h in emulsification flow quantity, the lubrication of the conticaster emulsion of emulsion pressure 0.10-0.5MPa is made with cooling
Under, aluminium alloy wire bar is with 7-13 passes at the aluminum alloy welding lead screw of Φ 6-9.5mm, the finish to gauge temperature of aluminum alloy welding lead screw
320-460 DEG C of degree.
Preferably, the step（6）The aging temp of middle annealing is 360-420 DEG C, and annealing time is 4-8 hours.
The advantageous effect of technical solution using the present invention is：
1, casting and rolling process is effectively combined in the present invention with system control forming, prepares high-magnesium aluminum alloy welding material
Raw material lever, technique serialization degree is high, is conducive to the yield and quality for improving alloy, reduces manufacturing cost；
2, forming technology is controlled using large deformation continuous casting and rolling in the present invention, ensure that high-magnesium aluminum alloy wire rod connects at high temperature
Continuous forming reduces current high-magnesium aluminum alloy welding wire line bar and prepares aluminium conjunction using continuous casting bar and semicontinuous ingot casting and extrusion process
The blank room of gold solder lead screw cools down, and wire rod production process is continuous hot procedure, reduces component segregation；Realize big modeling
Property deformation, realize ingot structure it is effective refinement and homogenize；
3, preparation method of the invention realizes the continuous high-efficient forming of aluminum alloy welding lead screw, reduces conventional welding wire domestic at present
Bar realizes the continuously elongated forming of follow-up welding wire production, reduces in drawing process because of the welding transition joint of length limited
Multi-pass annealing and technique itself product quality defect and process accumulated quality defect, processing performance and welding can be prepared
The good aluminum alloy welding wire material of processing performance.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is present invention process flow chart；
Fig. 2 is the schematic diagram for the method that continuous casting and rolling of the present invention controls forming said alloy wire rod.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
Embodiment one
As shown in Fig. 2, the present invention process mainly by dispensing, melting, alloying, cleaning molten, continuous casting and rolling at
The continuously elongated forming of shape aluminum alloy welding lead screw, aluminium alloy semi-finished product welding wire, the temperature control annealing of welding wire, the bright forming of finished product welding wire
Etc. master operations realize.Fig. 2 is the method schematic diagram of continuous casting and rolling control forming said alloy welding wire lead screw.1 vertical fusing
Stove；2 turn of tidal stream chutes；3 holding furnaces；4 release chute；5 feed silk online；6 online depassing units；7 ceramic filter systems；8 is semi-automatic
Casting on flat system；9 conticasters；10 aluminium alloy wire bars, 11 access bridges；12 active front haulages；13 waste materials are cut；14 plane angle straighteners；
15 frequency multiplication heaters；16 directive wheels；17 Continuous mill trains；18 chilled water units；19 admission machines；20 at disk aluminum alloy welding lead screw blank
Deng composition；Technical process is：Aluminium ingot or return scrap by constituent analysis carry out dispensing first, then in vertical aluminium melting furnace 1
Middle fusing simultaneously flows into the standing furnace of vertical aluminium melting furnace, after molten aluminum reaches capacity in standing furnace, turns through what is be connected with holding furnace 3
It flows chute 2 to flow into holding furnace 3, alloying element needed for aluminium alloy is added in turn of tidal stream chute 2 and washing away with molten aluminum
Effect flows into holding furnace 3；Alloying element is after alloying is complete in holding furnace 3, by bottom blown gas refining, degasification, slagging-off,
After covering, stand a period of time after, by fascinate release enable aluminum alloy to melt inflow release chute 4, realized in releasing chute 4
Aluminum melt after line feeds silk 5 flows successively through and releases the online depassing unit 6 and ceramic filtering device 7 that chute 4 is connected, then
Aluminum melt is poured by semi-automatic 8 level of horizontal running gate system in conticaster 9, under the cooling of 9 cooling system of conticaster, is frozen into
The aluminium alloy wire bar 10 of aluminium alloy wire bar 10, solidification passes through the guiding of access bridge 11, the traction of active front haulage 12 successively, and waste material is cut
After 13 cut material head, plane angle straightener 14 carries out ingot plane angle and straightening processing to aluminium alloy wire bar 10, in frequency multiplication heating system 15
Under the action of be heated to certain temperature, under the guiding role of tandem mill front jockey wheel 16, enter Continuous mill train 17 carry out it is more
Passage continuous control rolls, and rolls into the aluminium alloy welding wire line bar of required size, line bar with milling train by exporting the cooling water being connected
Device 18 is cooled down, and admission machine 19 carries out the plate-like aluminium alloy line bar blank 20 that lower pendulum-type fishing line shapes an ingot weight.
It is as follows as shown in Figure 1, preparing high-magnesium aluminum alloy welding wire：
The first step, commercial-purity aluminium (Wt, Fe≤0.13%, Si≤0.08%) of the 4620.5kg purity more than 99.7% is perpendicular in dual chamber
In formula aluminium melting furnace after heating fusing, when temperature of aluminum liquid is 740-780 DEG C, pass through the turn of tidal stream stream being connected with smelting furnace and holding furnace
Molten aluminum is imported into from smelting furnace in holding furnace by slot, and Al-10%Cr, Al-10%Mn intermediate alloy are added into turn of tidal stream chute
60.3kg, Al-5%Be intermediate alloy 6.03kg, which are added, passes through pretreated metal Mg263Kg, rushing with aluminum melt when releasing
Brush and stirring are entered together in the holding furnace of argon bottom-blowing, and alloying element is allowed to melt and homogenize completely in holding furnace, are protected
The micro-positive pressure for holding argon gas in stove prevents air from reacting with the metal Mg being added in holding furnace；
Second step, carries out melt that degasification, the purified treatments such as clean, skim, cover, fast to aluminum melt alloying component progress stokehold
Speed analysis, is adjusted bath composition, until reach component requirements, when the temperature of aluminium alloy melt reaches 720-760 DEG C,
And the continuous of high pure nitrogen is carried out to melt and removes gas shielded 15-45Min, after skimming last layer covering is uniformly spread in aluminium melt surface
Agent, heat preservation stand 30-45 minutes；
Purified treatment in this step specifically includes：The C of melt quality score 0.1-0.2 % is added into melt2Cl6And 0.2-
The 0.4% uniform mixed powder without sodium solvent carries out injection refining, carries out degasification deslagging refining to melt, then uses High Purity Nitrogen
Gas or argon gas progress bottom blowoff gas are 30-45 minutes concise, and the mass percentage composition of no sodium solvent is as follows： 45%KCl、
20%K2CO3、15%AlF3、20%LiCl。
Third walks, and by keeping the temperature the melt after standing, fascinate releasing from holding furnace by chute is released, is releasing stream
It is realized in slot and feeds silk online（The Al-5%Ti-1%B aluminium alloy line bars of Φ 9.5）, feeding wire speed 4.95m/min.Online feed silk it
Aluminum melt successively flows through the online degasification for being connected on back and ceramic filter system through releasing chute afterwards, complete the outer degasification of aluminum melt stove and
After ceramic filter, by the chute being connected to running gate system with ceramic filter, aluminum melt flows successively through casting ladle, intermediate casting ladle,
It is finally poured into conticaster by lower casting ladle level, the inlet temperature that molten aluminum pours into conticaster is 720 DEG C；Molten aluminum flows into rotating speed
In the cavity that the conticaster copper wheel notch of 12RPM is constituted with steel band, the cooling water in running gate system, outer cooling water, inside cooling
The cooling water pressure of water and outside cooling water is 0.1-0.3MPA, cooling water flow 50-100T/h, continuous continuous solidification Cheng Wen
Degree is 500 DEG C of aluminium alloy wire bar, and the wire bar of solidification is worn continuously is rejected by the ingot device that shaves in conticaster, realizes aluminium alloy wire bar
Continuous with continuous casting crystallining copper wheel detaches；
4th step, the aluminium alloy wire bar that the continuous casting continuously detached with crystallizing wheel is shaped, by curve ingot access bridge, in continuous casting and rolling
Owner moves the effect of front haulage, and wire bar material head is cut by crop(ping)shears, is straightened subsequently into straightener, continues through frequency multiplication heating
Device heats, and under the action of active feed system, aluminium alloy wire bar feeds tandem mill with 500-540 DEG C of temperature, in emulsion
Flow is 30-100T/h, under the lubrication and cooling effect of the conticaster emulsion of emulsion pressure 0.10-0.5MPa, aluminium alloy
Wire bar is with 7-13 passes at the aluminum alloy welding lead screw of Φ 6-9.5mm, the finishing temperature 320-460 of aluminum alloy welding lead screw
℃；
5th step：Using the aluminium alloy rod of a diameter of 6.0-9.5mm of continuous casting and rolling forming as raw material, to prolong on water tank stretching-machine
It is 1.12-1.58 to stretch coefficient, and the semi-finished product aluminum alloy welding silk thread of a diameter of 3.23-2.63mm is stretched as by 6-10 passages
Material, continuous bracing wire end of a period pull wire speed are 750m/Min, and wire rod automatic rolling on wire drawing machine is coiled.
6th step, nitrogen, which is protected, when coiled semi-finished product aluminum alloy welding silk thread is just put into carries out the half of aluminium welding wire in annealing shield
Finished products use aging temp for 360-420 DEG C, and annealing time is 4-8 hours；
7th step：Aluminium welding wire is annealed using semi-finished product as raw material, by peeling, continuously elongated straight in brightness welding wire fabrication line
Diameter is the aluminium alloy welding wire of 1.2-Φ of Φ 3.0.The tensile strength of welding wire, yield strength and elongation percentage distinguish 440-480MPa,
375-390MPa, elongation 5.2-11.8%.
Embodiment two
It is as follows as shown in Figure 1, preparing high-magnesium aluminum alloy welding wire：
The first step, commercial-purity aluminium (Wt, Fe≤0.13%, Si≤0.08%) of the 4791.23kg purity more than 99.7% is perpendicular in dual chamber
In formula aluminium melting furnace after heating fusing, when temperature of aluminum liquid is 740-780 DEG C, pass through the turn of tidal stream stream being connected with smelting furnace and holding furnace
Molten aluminum is imported into from smelting furnace in holding furnace by slot, and Al-10%Cr, Al-10%Mn intermediate alloy are added into turn of tidal stream chute
30.15kg, Al-5%Be intermediate alloy 6.03kg, which are added, passes through pretreated metal Mg242.11Kg, with aluminum melt when releasing
Wash away and stir and enter together in the holding furnace of argon bottom-blowing, allow alloying element to melt completely in holding furnace and uniformly
Change, keeps the micro-positive pressure of argon gas in stove, prevent air from reacting with the metal Mg being added in holding furnace；
Second step, carries out melt that degasification, the purified treatments such as clean, skim, cover, fast to aluminum melt alloying component progress stokehold
Speed analysis, is adjusted bath composition, until reach component requirements, when the temperature of aluminium alloy melt reaches 720-760 DEG C,
And the continuous of high pure nitrogen is carried out to melt and removes gas shielded 15-45Min, after skimming last layer covering is uniformly spread in aluminium melt surface
Agent, heat preservation stand 30-45 minutes；
Purified treatment in this step specifically includes：The C of melt quality score 0.1-0.2 % is added into melt2Cl6And 0.2-
The 0.4% uniform mixed powder without sodium solvent carries out injection refining, carries out degasification deslagging refining to melt, then uses High Purity Nitrogen
Gas or argon gas progress bottom blowoff gas are 30-45 minutes concise, and the mass percentage composition of no sodium solvent is as follows： 50%KCl、
20%K2CO3、15%AlF3、15%LiCl。
Third walks, and by keeping the temperature the melt after standing, fascinate releasing from holding furnace by chute is released, is releasing stream
It is realized in slot and feeds silk online（The Al-5%Ti-1%B aluminium alloy line bars of Φ 9.5）, feeding wire speed 2.945m/min.Silk is fed online
Aluminum melt successively flows through the online degasification for being connected on back and ceramic filter system through releasing chute later, completes the outer degasification of aluminum melt stove
After ceramic filter, by the chute being connected to running gate system with ceramic filter, aluminum melt flows successively through casting ladle, and centre is poured
Packet, is finally poured by lower casting ladle level in conticaster, and the inlet temperature that molten aluminum pours into conticaster is 720 DEG C；Molten aluminum flows into rotating speed
In the cavity that the conticaster copper wheel notch of 12RPM is constituted with steel band, the cooling water in running gate system, outer cooling water, inside cooling
The cooling water pressure of water and outside cooling water is 0.1-0.3MPA, cooling water flow 50-100T/h, continuous continuous solidification Cheng Wen
Degree is 500 DEG C of aluminium alloy wire bar, and the wire bar of solidification is worn continuously is rejected by the ingot device that shaves in conticaster, realizes aluminium alloy wire bar
Continuous with continuous casting crystallining copper wheel detaches；
4th step, the aluminium alloy wire bar that the continuous casting continuously detached with crystallizing wheel is shaped, by curve ingot access bridge, in continuous casting and rolling
Owner moves the effect of front haulage, and wire bar material head is cut by crop(ping)shears, is straightened subsequently into straightener, continues through frequency multiplication heating
Device heats, and under the action of active feed system, aluminium alloy wire bar feeds tandem mill with 500-540 DEG C of temperature, in emulsion
Flow is 30-100T/h, under the lubrication and cooling effect of the conticaster emulsion of emulsion pressure 0.10-0.5MPa, aluminium alloy
Wire bar is with 7-13 passes at the aluminum alloy welding lead screw of Φ 6-9.5mm, the finishing temperature 320-460 of aluminum alloy welding lead screw
℃；
5th step：Using the aluminium alloy rod of a diameter of 6.0-9.5mm of continuous casting and rolling forming as raw material, to prolong on water tank stretching-machine
It is 1.12-1.58 to stretch coefficient, and the semi-finished product aluminum alloy welding silk thread of a diameter of 3.23-2.63mm is stretched as by 6-10 passages
Material, continuous bracing wire end of a period pull wire speed are 750m/Min, and wire rod automatic rolling on wire drawing machine is coiled.
6th step, nitrogen, which is protected, when coiled semi-finished product aluminum alloy welding silk thread is just put into carries out the half of aluminium welding wire in annealing shield
Finished products use aging temp for 360-420 DEG C, and annealing time is 4-8 hours；
7th step：Aluminium welding wire is annealed using semi-finished product as raw material, by peeling, continuously elongated straight in brightness welding wire fabrication line
Diameter is the aluminium alloy welding wire of 1.2-Φ of Φ 3.0.The tensile strength of welding wire, yield strength and elongation percentage distinguish 440-480MPa,
375-390MPa, elongation 5.2-11.8%.
Embodiment three
It is as follows as shown in Figure 1, preparing high-magnesium aluminum alloy welding wire：
The first step, commercial-purity aluminium (Wt, Fe≤0.13%, Si≤0.08%) of the 4461.5kg purity more than 99.7% is perpendicular in dual chamber
In formula aluminium melting furnace after heating fusing, when temperature of aluminum liquid is 740-780 DEG C, pass through the turn of tidal stream stream being connected with smelting furnace and holding furnace
Molten aluminum is imported into from smelting furnace in holding furnace by slot, and Al-10%Cr, Al-10%Mn intermediate alloy are added into turn of tidal stream chute
90.45kg, Al-5%Be intermediate alloy 6.03kg, which are added, passes through pretreated metal Mg270Kg, rushing with aluminum melt when releasing
Brush and stirring are entered together in the holding furnace of argon bottom-blowing, and alloying element is allowed to melt and homogenize completely in holding furnace, are protected
The micro-positive pressure for holding argon gas in stove prevents air from reacting with the metal Mg being added in holding furnace；
Second step, carries out melt that degasification, the purified treatments such as clean, skim, cover, fast to aluminum melt alloying component progress stokehold
Speed analysis, is adjusted bath composition, until reach component requirements, when the temperature of aluminium alloy melt reaches 720-760 DEG C,
And the continuous of high pure nitrogen is carried out to melt and removes gas shielded 15-45Min, after skimming last layer covering is uniformly spread in aluminium melt surface
Agent, heat preservation stand 30-45 minutes；
Purified treatment in this step specifically includes：The C of melt quality score 0.1-0.2 % is added into melt2Cl6And 0.2-
The 0.4% uniform mixed powder without sodium solvent carries out injection refining, carries out degasification deslagging refining to melt, then uses High Purity Nitrogen
Gas or argon gas progress bottom blowoff gas are 30-45 minutes concise, and the mass percentage composition of no sodium solvent is as follows： 55%KCl、
30%K2CO3、10%AlF3、5%LiCl。
Third walks, and by keeping the temperature the melt after standing, fascinate releasing from holding furnace by chute is released, is releasing stream
It is realized in slot and feeds silk online（The Al-5%Ti-1%B aluminium alloy line bars of Φ 9.5）, feeding wire speed 8.93m/min.Online feed silk it
Aluminum melt successively flows through the online degasification for being connected on back and ceramic filter system through releasing chute afterwards, complete the outer degasification of aluminum melt stove and
After ceramic filter, by the chute being connected to running gate system with ceramic filter, aluminum melt flows successively through casting ladle, intermediate casting ladle,
It is finally poured into conticaster by lower casting ladle level, the inlet temperature that molten aluminum pours into conticaster is 720 DEG C；Molten aluminum flows into rotating speed
In the cavity that the conticaster copper wheel notch of 12RPM is constituted with steel band, the cooling water in running gate system, outer cooling water, inside cooling
The cooling water pressure of water and outside cooling water is 0.1-0.3MPA, cooling water flow 50-100T/h, continuous continuous solidification Cheng Wen
Degree is 500 DEG C of aluminium alloy wire bar, and the wire bar of solidification is worn continuously is rejected by the ingot device that shaves in conticaster, realizes aluminium alloy wire bar
Continuous with continuous casting crystallining copper wheel detaches；
4th step, the aluminium alloy wire bar that the continuous casting continuously detached with crystallizing wheel is shaped, by curve ingot access bridge, in continuous casting and rolling
Owner moves the effect of front haulage, and wire bar material head is cut by crop(ping)shears, is straightened subsequently into straightener, continues through frequency multiplication heating
Device heats, and under the action of active feed system, aluminium alloy wire bar feeds tandem mill with 500-540 DEG C of temperature, in emulsion
Flow is 30-100T/h, under the lubrication and cooling effect of the conticaster emulsion of emulsion pressure 0.10-0.5MPa, aluminium alloy
Wire bar is with 7-13 passes at the aluminum alloy welding lead screw of Φ 6-9.5mm, the finishing temperature 320-460 of aluminum alloy welding lead screw
℃；
5th step：Using the aluminium alloy rod of a diameter of 6.0-9.5mm of continuous casting and rolling forming as raw material, to prolong on water tank stretching-machine
It is 1.12-1.58 to stretch coefficient, and the semi-finished product aluminum alloy welding silk thread of a diameter of 3.23-2.63mm is stretched as by 6-10 passages
Material, continuous bracing wire end of a period pull wire speed are 750m/Min, and wire rod automatic rolling on wire drawing machine is coiled.
6th step, nitrogen, which is protected, when coiled semi-finished product aluminum alloy welding silk thread is just put into carries out the half of aluminium welding wire in annealing shield
Finished products use aging temp for 360-420 DEG C, and annealing time is 4-8 hours；
7th step：Aluminium welding wire is annealed using semi-finished product as raw material, by peeling, continuously elongated straight in brightness welding wire fabrication line
Diameter is the aluminium alloy welding wire of 1.2-Φ of Φ 3.0.The tensile strength of welding wire, yield strength and elongation percentage distinguish 440-480MPa,
375-390MPa, elongation 5.2-11.8%.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (10)
1. a kind of preparation method of high-magnesium aluminum alloy welding wire, it is characterised in that：The preparation method comprises the following steps：
（1）Commercial-purity aluminium is heated to melting in smelting furnace, when temperature of aluminum liquid reaches 740-780 DEG C, by with smelting furnace, protect
The connected turn of tidal stream chute of warm stove imports molten aluminum in holding furnace from smelting furnace, and intermediate alloy and metal are added in turn of tidal stream chute
Mg, washing away and stirring and enter together in the holding furnace of bottom blowing nitrogen or argon gas with aluminum melt, allows alloying element protecting
Melt and homogenize completely in warm stove, keeps the micro-positive pressure of nitrogen or argon gas in stove, obtain alloy melt；
（2）Purified treatment is carried out to melt, purified treatment includes degasification, cleans, skims, covers, to aluminum melt alloying component into
Row both analysis, is adjusted bath composition, until reaching component requirements, when the temperature of aluminium alloy melt reaches 740
DEG C when, to melt carry out high pure nitrogen continuously remove gas shielded, uniformly spread last layer coverture in aluminium melt surface after skimming, protect
Temperature stands 30-45 minutes；
（3）By keeping the temperature the melt after standing, is released from holding furnace by chute is released, realized online releasing in chute
Feed silk, aluminum melt, which is successively flowed through through releasing chute, is connected on online degasification and the ceramic filter system of back, completes outside aluminum melt stove
After degasification and ceramic filter, by the chute being connected to running gate system with ceramic filter, aluminum melt flows successively through casting ladle, intermediate
Casting ladle is finally poured by lower casting ladle level in conticaster, cooling, continuous continuous solidification at aluminium alloy wire bar, the wire bar of solidification by
The ingot device that picks in conticaster is continuously rejected, and realizes that aluminium alloy wire bar is detached with the continuous of continuous casting crystallining copper wheel；
（4）By the aluminium alloy wire bar of the continuous casting forming continuously detached with crystallization copper wheel, by curve ingot access bridge, in continuous casting and continuous rolling mill
The effect of active front haulage cuts wire bar material head by crop(ping)shears, is straightened subsequently into straightener, continues through frequency multiplication heater
Heating, under the action of active feed system, aluminium alloy wire bar is fed in Continuous mill train；
（5）Using the aluminium alloy rod of a diameter of 6.0-9.5mm of continuous casting and rolling forming as raw material, to extend system on water tank stretching-machine
Number is 1.12-1.58, and the semi-finished product aluminium alloy welding wire wire rod of a diameter of 3.23-2.63mm is stretched as by 6-10 passages, even
Continuous bracing wire end of a period pull wire speed is 750m/Min, and wire rod automatic rolling on wire drawing machine is coiled；
（6）The semi-finished product that aluminium welding wire is carried out in nitrogen guarantor annealing shield when coiled semi-finished product aluminum alloy welding silk thread is just put into move back
Fire.
2. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 1, it is characterised in that：The step（1）
The mass percentage of middle alloy melt is as follows：Fe:0.4%、Si:0.4%、Cu:0.1%、Mn:0.05-0.20%、Mg:4.5-
5.5%、Cr:0.05-0.20%、Zn:0.1%、Ti:0.06-0.2%、Be:0.006%, other：≤ 0.05%, impurity summation is no more than
0.15%, remaining is Al.
3. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 1, it is characterised in that：The step（1）
In smelting furnace be the vertical aluminium melting furnace of dual chamber, double vertical aluminium melting furnaces are funnel shaped internal furnace, and fire box temperature is 900- when aluminum melting
1050 DEG C, melt temperature be 740~760 DEG C.
4. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 1, it is characterised in that：The step（1）
The additive amount of middle intermediate alloy is Al-10%Cr, Al-10%Mn.
5. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 1, it is characterised in that：The step（2）
Middle purified treatment specifically includes：The C of melt quality score 0.1-0.2 % is added into melt2Cl6It is molten without sodium with 0.2-0.4%
The uniform mixed powder of agent carries out injection refining, carries out degasification deslagging refining to melt, is then carried out with high pure nitrogen or argon gas
Bottom blowoff gas is 30-45 minutes concise.
6. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 5, it is characterised in that：The no sodium solvent
Mass percentage composition it is as follows： 45-55%KCl、20-30%K2CO3、10-15%AlF3、5-20%LiCl。
7. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 1, it is characterised in that：The step（3）
The inlet temperature that middle molten aluminum pours into conticaster is 690-730 DEG C, and molten aluminum flows into the conticaster copper wheel notch and steel of rotating speed 12RPM
With in the cavity constituted, the cooling water pressure of cooling water in running gate system, outer cooling water, inside cooling water and outside cooling water is
0.1-0.3MPA, cooling water flow 50-100T/h.
8. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 7, it is characterised in that：The step（3）
The crystalline copper wheel notch area of section that middle molten aluminum pours into conticaster is 700-1480mm2, crystallizing wheel outer diameter is Φ 1100- Φ
1600mm。
9. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 1, it is characterised in that：The step（4）
Enter to roll 500-560 DEG C of temperature in middle feeding Continuous mill train, it is 320-480 DEG C to go out to roll temperature；It is 30- in emulsification flow quantity
100T/h, under the lubrication and cooling effect of the conticaster emulsion of emulsion pressure 0.10-0.5MPa, aluminium alloy wire bar 7-13
A passes are at the aluminum alloy welding lead screw of Φ 6-9.5mm, 320-460 DEG C of the finishing temperature of aluminum alloy welding lead screw.
10. a kind of preparation method of high-magnesium aluminum alloy welding wire according to claim 1, it is characterised in that：The step（6）
The aging temp of middle annealing is 360-420 DEG C, and annealing time is 4-8 hours.
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| CN113843275A (en) * | 2021-09-28 | 2021-12-28 | 宁德福浦新合金科技有限公司 | Continuous casting and rolling production process of 5356 aluminum welding wire |
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| CN110656264A (en) * | 2019-11-05 | 2020-01-07 | 东北轻合金有限责任公司 | Manufacturing method of aluminum alloy wire for protective fence |
| CN111112871A (en) * | 2019-12-31 | 2020-05-08 | 上海交通大学 | Novel heat-cracking-resistant 2xxx series aluminum alloy welding wire and preparation method thereof |
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