CN104561803B - A kind of high intensity shelf back of the body net aluminum bag process wiry technique - Google Patents
A kind of high intensity shelf back of the body net aluminum bag process wiry technique Download PDFInfo
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- CN104561803B CN104561803B CN201510068905.7A CN201510068905A CN104561803B CN 104561803 B CN104561803 B CN 104561803B CN 201510068905 A CN201510068905 A CN 201510068905A CN 104561803 B CN104561803 B CN 104561803B
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Abstract
nullThe invention discloses a kind of high intensity shelf back of the body net aluminum bag process wiry technique，The percentage by weight chemical composition of selection steel blank is: C:0.03 0.08%、Si:0.20 0.30%、Mn:0.20 0.46%、Cr:0.85 1.0%、Mo:0.16 0.22%、N:0.015 0.030%、Cu:0.05%‑2%，Ce:0.02 0.10%，La:0.02‑0.10%，P:0.04 0.05%、S:0.03‑0.04%、Nb:0.01 0.25%、V:0.18 0.36%，Al:4.8 5.9%，Remaining is Fe and impurity，Charging is included successively during shape extrusion、Drawing、Plating、Annealing、Insulation、Cladding、Pickling、Dry and warehouse-in operation；High intensity shelf back of the body net aluminum bag process wiry technique designed by the present invention, it is possible to increase the combination properties such as alloying metal silk and the back of the body mechanical strength of net finished product, corrosion resistance, substantially prolongs the service life of back of the body net.
Description
Technical field
The invention belongs to the process technology field of alloy Web materials, particularly a kind of high intensity shelf back of the body net aluminum bag process wiry technique.
Background technology
In the production and processing of shelf back of the body gauze wire, alloying metal silk needs the thinnest of processing sometimes, it is desirable to its combination property is strong, is not easily broken；And existing alloying metal silk does not possess such performance condition, although can meet basic shelf load bearing stength requirement, but depositing that some weight are excessive and during the unbalanced goods of distribution of weight, then will become apparent from its combination property the highest, crisp and easily broken.
The technique of existing production alloying metal silk is: tubulature, plating, drawing and annealing, cleaning, the stainless steel fibre that this processes becomes, electroplating voltage is at more than 10-12V, linear velocity is higher, tinsel draws dials frangibility, pass reduction is little, annealing times is many, and raw material chemical element changes greatly, thus combination property is unable to reach preferable level all the time.
Summary of the invention
The technical problem to be solved is, the shortcoming overcoming prior art, there is provided a kind of high intensity shelf back of the body net aluminum bag process wiry technique, it is possible to increase the combination properties such as alloying metal silk and the back of the body mechanical strength of net finished product, corrosion resistance, substantially prolongs the service life of back of the body net.
In order to solve above technical problem, the present invention provides a kind of high intensity shelf back of the body net aluminum bag process wiry technique, the percentage by weight chemical composition of selection steel blank is: C:0.03-0.08%, Si:0.20-0.30%, Mn:0.20-0.46%, Cr:0.85-1.0%, Mo:0.16-0.22%, N:0.015-0.030%, Cu:0.05%-2%, Ce:0.02-0.10%, La:0.02-0.10%, P:0.04-0.05%, S:0.03-0.04%
, Nb:0.01-0.25%
, V:0.18-0.36%
, Al:4.8-5.9%, remaining is Fe and impurity, includes charging, drawing successively, electroplates, anneals, is incubated, is coated with, pickling, dry and put operation in storage, wherein during shape extrusion:
In feeding process, first carry out steel blank expanding hydrogen heat treatment；
In drawing process, controlling temperature and be 1000-1150 DEG C, drawing is cooled to room temperature through twice cooling technique after completing；
In electroplating technology, regulating preplating electric current, voltage, make voltage be less than or equal to 5 volts, current range 120-180 is pacified, and tinsel, while main coating bath, regulates the electric current of main coating bath, voltage, makes voltage be less than or equal to 6 volts, and current range 1600-2200 is pacified；
Annealing operation comprises the following steps: 1. tinsel is put into tube furnace, is incubated 1 hour after being heated to 400 DEG C, is again heated to 600 DEG C and is incubated 1 hour, starts annealing after finally heated to 800 DEG C, and annealing process keeps furnace pressure to stablize 0.3 MPa；2., after annealing terminates, temperature terminates after being down to less than 600 DEG C, and receives to take-up reel；
In cladding process, regulation take-up reel rotating speed is consistent with continued extrusion machine transmission speed, tinsel enters one end of continued extrusion machine, and stretch into electrical aluminum rod from the other end of continued extrusion machine, continued extrusion machine extruding electrical aluminum rod, and the aluminum squeezed out is coated on wire surface；The surface of alloying metal silk covers a floor height fine aluminium, forms finished product aluminum bag tinsel, not only have high intensity after strand and stabilizing treatment, and the feature of underrelaxation is greatly improved decay resistance wiry simultaneously, extends the service life of product；
Technique effect: present invention employs above technical scheme so that the suitable drawing of alloying metal silk is processed, intensity is more than 26 Ns/square millimeter, elongation percentage 1.40%, substantially increases alloying metal silk and the combination property of back of the body net finished product；
The present invention is with chromium nickel-molybdenum alloy structural steel as blank, the toughness of steel, elasticity, wearability can be improved and resist performance, and make steel tight, and the vanadium in alloy is highly stable, it is difficult to be decomposed by hydrochloric acid, sulphuric acid, add the steel hardenability after vanadium good, it is possible to make the whole cross section of alloying metal silk obtain the mechanical property of uniformity；
The present invention adds nickel element, heavy alloyed intensity and toughness can be put forward, improve the quenching degree of steel, can change some physical properties of steel, and improve the resistance to corrosion of steel, such that it is able to improve C and the atom active of N element, the air mass making each atom be formed can form strong interaction with dislocation, pinning dislocation, produces yield point elongation so that need the external world to provide bigger stress just can start dislocation；
The technical scheme that the present invention limits further is:
Further, aforesaid high intensity shelf back of the body net aluminum bag process wiry technique, the percentage by weight chemical composition of selection steel blank is: C:0.05%, Si:0.20%, Mn:0.28%, Cr:0.85-1.0%, Mo:0.18%, N:0.018%, Cu:0.10%, Ce:0.05%, La:0.07%, P:0.04%, S:0.03%, Nb:0.015%, V:0.24%, Al:5.1%, remaining is Fe and impurity.
The percentage by weight chemical composition of aforesaid high intensity shelf back of the body net aluminum bag process wiry process choice steel blank is: C:0.06%, Si:0.25%, Mn:0.36%, Cr:0.90%, Mo:0.21%, N:0.025%, Cu:0.15%, Ce:0.06%, La:0.06%, P:0.045%, S:0.035%, Nb:0.20%, V:0.26%, Al:5.6%, remaining is Fe and impurity.
Aforesaid high intensity shelf back of the body net aluminum bag process wiry technique, expand hydrogen heat treatment to specifically include: blank just now is entered stove and is heated to 680 ± 10 DEG C and is incubated 260 minutes, air cooling is incubated 160 minutes to 280 ± 10 DEG C, then being again heated to 500 ± 15 DEG C and be incubated 560 minutes, stove is cooled to 360 ± 20 DEG C of air coolings of coming out of the stove；
Expansion hydrogen heat treatment in the present invention, it is ensured that blank hydrogen content, on the premise of below 2.0ppm, reduces the content of hydrogen further, prevents blank from producing Light spots crack and heat treatment stress induction hydrogen induced cracking and hydrogen causes to postpone delayed fracture.
Aforesaid high intensity shelf back of the body net aluminum bag process wiry technique, in electroplating work procedure, pre-metallization solution pH value is 1.1-1.6
, main plating liquor pH value is 0.6-1.1.
Aforesaid high intensity shelf back of the body net aluminum bag process wiry technique, continued extrusion machine temperature in its film during cladding is 480 DEG C-500 DEG C, and pressure is 75-80Mpa, and cladding speed is 120-140 m/min.
Aforesaid high intensity shelf back of the body net aluminum bag process wiry technique, in drawing process,
First refrigerating work procedure: use water-cooled with the cooldown rate of 24-26 DEG C/s by tinsel water-cooled to 660-720 DEG C；
Second refrigerating work procedure: use water-cooled to be combined with air cooling, first use water-cooled with the cooldown rate of 1.5-3 DEG C/s by tinsel water-cooled to 420-460 DEG C, then air cooling is to 290-320 DEG C, then use water-cooled with the cooldown rate of 2.5-4 DEG C/s by tinsel water-cooled to 180-200 DEG C, last air cooling is to room temperature；
Water-cooled is used to be combined with air cooling after present invention tempering, it is followed successively by: water-cooled-air cooling-water-cooled-air cooling, so, controlled by the cooling after tempering, carbide can be made the most fully to dissolve, uniformly diffusion, avoid carbide and cause intercrystalline corrosion and spot corrosion to exceed standard in the precipitation of intergranular, ensure that the ferrite content of material is about 30%, material solid solution can be made further abundant, avoiding heat treatment mode heating inequality, the corrosion rate that solid solution inequality is brought exceeds standard and hardness exceeds standard, and has consolidated and has above smelted the technique effect that after-baking technique produces.
Detailed description of the invention
Embodiment
1
A kind of high intensity shelf back of the body net aluminum bag process wiry technique that the present embodiment provides, the percentage by weight chemical composition of selection steel blank is: C:0.05%, Si:0.20%, Mn:0.28%, Cr:0.85-1.0%, Mo:0.18%, N:0.018%, Cu:0.10%, Ce:0.05%, La:0.07%, P:0.04%, S:0.03%, Nb:0.015%, V:0.24%, Al:5.1%, remaining is Fe and impurity, include charging, drawing during shape extrusion successively, electroplate, anneal, be incubated, be coated with, pickling, dry and put operation in storage, wherein:
In feeding process, first carry out steel blank expanding hydrogen heat treatment；
In drawing process, controlling temperature is 1080 DEG C, and drawing is cooled to room temperature through twice cooling technique after completing；
In electroplating technology, regulating preplating electric current, voltage, make voltage be less than or equal to 5 volts, current range 120-180 is pacified, and tinsel, while main coating bath, regulates the electric current of main coating bath, voltage, makes voltage be less than or equal to 6 volts, and current range 1600-2200 is pacified；
Annealing operation comprises the following steps: 1. tinsel is put into tube furnace, is incubated 1 hour after being heated to 400 DEG C, is again heated to 600 DEG C and is incubated 1 hour, starts annealing after finally heated to 800 DEG C, and annealing process keeps furnace pressure to stablize 0.3 MPa；2., after annealing terminates, temperature terminates after being down to less than 600 DEG C, and receives to take-up reel；
Expanding hydrogen heat treatment to specifically include: blank just now is entered stove and is heated to 670 DEG C and is incubated 260 minutes, air cooling to 270 DEG C is incubated 160 minutes, is then again heated to 485 DEG C and is incubated 560 minutes, and stove is cooled to 380 DEG C of air coolings of coming out of the stove；
In electroplating work procedure, pre-metallization solution pH value is 1.4, and main plating liquor pH value is 0.7；
Continued extrusion machine temperature in its film during cladding is 485 DEG C, and pressure is 77Mpa, and cladding speed is 125 ms/min；
In drawing process, first refrigerating work procedure: use water-cooled with the cooldown rate of 24 DEG C/s by tinsel water-cooled to 680 DEG C；
Second refrigerating work procedure: use water-cooled to be combined with air cooling, first use water-cooled with the cooldown rate of 1.8 DEG C/s by tinsel water-cooled to 440 DEG C, then air cooling is to 295 DEG C, then uses water-cooled with the cooldown rate of 2.5 DEG C/s by tinsel water-cooled to 190 DEG C, and last air cooling is to room temperature.
Embodiment
2
A kind of high intensity shelf back of the body net aluminum bag process wiry technique that the present embodiment provides, the percentage by weight chemical composition of selection steel blank is: C:0.06%, Si:0.25%, Mn:0.36%, Cr:0.90%, Mo:0.21%, N:0.025%, Cu:0.15%, Ce:0.06%, La:0.06%, P:0.045%, S:0.035%, Nb:0.20%, V:0.26%, Al:5.6%, remaining is Fe and impurity, include charging, drawing during shape extrusion successively, electroplate, anneal, be incubated, be coated with, pickling, dry and put operation in storage, wherein:
In feeding process, first carry out steel blank expanding hydrogen heat treatment；
In drawing process, controlling temperature is 1100 DEG C, and drawing is cooled to room temperature through twice cooling technique after completing；
In electroplating technology, regulating preplating electric current, voltage, make voltage be less than or equal to 5 volts, current range 1600 is pacified, and tinsel, while main coating bath, regulates the electric current of main coating bath, voltage, makes voltage be less than or equal to 6 volts, and current range 2100 is pacified；
Annealing operation comprises the following steps: 1. tinsel is put into tube furnace, is incubated 1 hour after being heated to 400 DEG C, is again heated to 600 DEG C and is incubated 1 hour, starts annealing after finally heated to 800 DEG C, and annealing process keeps furnace pressure to stablize 0.3 MPa；2., after annealing terminates, temperature terminates after being down to less than 600 DEG C, and receives to take-up reel；
In cladding process, regulation take-up reel rotating speed is consistent with continued extrusion machine transmission speed, tinsel enters one end of continued extrusion machine, and stretch into electrical aluminum rod from the other end of continued extrusion machine, continued extrusion machine extruding electrical aluminum rod, and the aluminum squeezed out is coated on wire surface；The surface of alloying metal silk covers a floor height fine aluminium, forms finished product aluminum bag tinsel, not only have high intensity after strand and stabilizing treatment, and the feature of underrelaxation is greatly improved decay resistance wiry simultaneously, extends the service life of product；
Expanding hydrogen heat treatment to specifically include: blank just now is entered stove and is heated to 690 DEG C and is incubated 260 minutes, air cooling to 290 DEG C is incubated 160 minutes, is then again heated to 515 DEG C and is incubated 560 minutes, and stove is cooled to 380 DEG C of air coolings of coming out of the stove；
In electroplating work procedure, pre-metallization solution pH value is 1.4, and main plating liquor pH value is 0.9；
Continued extrusion machine temperature in its film during cladding is 490 DEG C, and pressure is 79Mpa, and cladding speed is 135 ms/min；
In drawing process, first refrigerating work procedure: use water-cooled with the cooldown rate of 25 DEG C/s by tinsel water-cooled to 710 DEG C；
Second refrigerating work procedure: use water-cooled to be combined with air cooling, first use water-cooled with the cooldown rate of 2.5 DEG C/s by tinsel water-cooled to 440 DEG C, then air cooling is to 310 DEG C, then uses water-cooled with the cooldown rate of 3.6 DEG C/s by tinsel water-cooled to 190 DEG C, and last air cooling is to room temperature.
Above example is only the technological thought that the present invention is described, it is impossible to limiting protection scope of the present invention with this, every technological thought proposed according to the present invention, any change done on the basis of technical scheme, within each falling within scope.
Claims (5)
- null1. a high intensity shelf back of the body net aluminum bag process wiry technique，It is characterized in that，The percentage by weight chemical composition of selection steel blank is: C:0.03-0.08%、Si:0.20-0.30%、Mn:0.20-0.46%、Cr:0.85-1.0%、Mo:0.16-0.22%、N:0.015-0.030%、Cu:0.05%-2%，Ce:0.02-0.10%，La:0.02-0.10%，P:0.04-0.05%、S:0.03-0.04%、Nb:0.01-0.25%、V:0.18-0.36%，Al:4.8-5.9%，Remaining is Fe and impurity，Charging is included successively during shape extrusion、Drawing、Plating、Annealing、Insulation、Cladding、Pickling、Dry and warehouse-in operation，Wherein:In described feeding process, first carry out steel blank expanding hydrogen heat treatment；In described drawing process, controlling temperature and be 1000-1150 DEG C, drawing is cooled to room temperature through twice cooling technique after completing；In described electroplating technology, regulating preplating electric current, voltage, make voltage be less than or equal to 5 volts, current range 120-180 is pacified, and tinsel, while main coating bath, regulates the electric current of main coating bath, voltage, makes voltage be less than or equal to 6 volts, and current range 1600-2200 is pacified；Described annealing operation comprises the following steps: 1. tinsel is put into tube furnace, is incubated 1 hour after being heated to 400 DEG C, is again heated to 600 DEG C and is incubated 1 hour, starts annealing after finally heated to 800 DEG C, and annealing process keeps furnace pressure to stablize 0.3 MPa；2., after annealing terminates, temperature terminates after being down to less than 600 DEG C, and receives to take-up reel；In described cladding process, regulation take-up reel rotating speed is consistent with continued extrusion machine transmission speed, tinsel enters one end of continued extrusion machine, and stretch into electrical aluminum rod from the other end of described continued extrusion machine, continued extrusion machine extruding electrical aluminum rod, and the aluminum squeezed out is coated on wire surface；Described expansion hydrogen heat treatment specifically includes: steel blank enters stove and is heated to 680 ± 10 DEG C and is incubated 260 minutes, and air cooling to 280 ± 10 DEG C is incubated 160 minutes, is then again heated to 500 ± 15 DEG C and is incubated 560 minutes, and stove is cooled to 360 ± 20 DEG C of air coolings of coming out of the stove；In described drawing process:First refrigerating work procedure: use water-cooled with the cooldown rate of 24-26 DEG C/s by tinsel water-cooled to 660-720 DEG C；Second refrigerating work procedure: use water-cooled to be combined with air cooling, first use water-cooled with the cooldown rate of 1.5-3 DEG C/s by tinsel water-cooled to 420-460 DEG C, then air cooling is to 290-320 DEG C, then use water-cooled with the cooldown rate of 2.5-4 DEG C/s by tinsel water-cooled to 180-200 DEG C, last air cooling is to room temperature.
- High intensity shelf the most according to claim 1 back of the body net aluminum bag process wiry technique, it is characterized in that, the percentage by weight chemical composition of selection steel blank is: C:0.05%, Si:0.20%, Mn:0.28%, Cr:0.85-1.0%, Mo:0.18%, N:0.018%, Cu:0.10%, Ce:0.05%, La:0.07%, P:0.04%, S:0.03%, Nb:0.015%, V:0.24%, Al:5.1%, remaining is Fe and impurity.
- High intensity shelf the most according to claim 1 back of the body net aluminum bag process wiry technique, it is characterized in that, the percentage by weight chemical composition of selection steel blank is: C:0.06%, Si:0.25%, Mn:0.36%, Cr:0.90%, Mo:0.21%, N:0.025%, Cu:0.15%, Ce:0.06%, La:0.06%, P:0.045%, S:0.035%, Nb:0.20%, V:0.26%, Al:5.6%, remaining is Fe and impurity.
- High intensity shelf the most according to claim 1 back of the body net aluminum bag process wiry technique, it is characterised in that in described electroplating work procedure, pre-metallization solution pH value is 1.1-1.6, and main plating liquor pH value is 0.6-1.1.
- High intensity shelf the most according to claim 1 back of the body net aluminum bag process wiry technique, it is characterized in that, described continued extrusion machine temperature in its film during cladding is 480 DEG C-500 DEG C, and pressure is 75-80MPa, and cladding speed is 120-140 m/min.
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| CN107236903A (en) * | 2017-06-28 | 2017-10-10 | 安徽华飞机械铸锻有限公司 | A kind of casting technique of alloy steel casting |
| CN108580578B (en) * | 2018-04-21 | 2019-05-24 | 江西新华金属制品有限责任公司 | A kind of manufacturing method of II grade of loose aluminum cald steel wire of bridge cable |
| CN112427483B (en) * | 2020-09-29 | 2023-01-17 | 天津市新天钢中兴盛达有限公司 | 14AC-1825 MPa-grade high-strength aluminum-clad steel wire and manufacturing method thereof |
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