CN102931783A - High-magnetic permeability thick composite induction plate and manufacturing method for same - Google Patents
High-magnetic permeability thick composite induction plate and manufacturing method for same Download PDFInfo
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- CN102931783A CN102931783A CN2012103709148A CN201210370914A CN102931783A CN 102931783 A CN102931783 A CN 102931783A CN 2012103709148 A CN2012103709148 A CN 2012103709148A CN 201210370914 A CN201210370914 A CN 201210370914A CN 102931783 A CN102931783 A CN 102931783A
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Abstract
The invention relates to a composite plate and a manufacturing method, in particular to a manufacturing method for a high-magnetic permeability thick steel aluminum-steel copper composite for a linear motor. A composite induction plate is formed by compounding a steel plate and an aluminum plate or compounding the steel plate and a copper plate. The steel plate has a thickness of 10 to 100mm and yield strength of 345 to 1,000Mpa. The aluminum plate or the copper plate is 3 to 30mm thick. A low-carbon weak-strength steel and aluminum/copper composite material also can be produced. Production cost is low, production efficiency is high, and a product has a uniform thickness and high quality.
Description
Technical field
The present invention relates to a kind of composite sensing plate, especially a kind of high permeability large thickness steel aluminium or steel copper composite sensing plate are used for magnetic-levitation train or secondary composite sensing plate and the manufacture method thereof of wheel-rail train linear electric motors.
Background technology
Steel-aluminium composite board has been widely used on the installations and facilities such as civilian cooker, radiator, the cooling large-scale air condenser in power station, and demand is huge and in rising trend.For a long time, the steel combined with aluminum product mainly relies on import.Anshan iron and steel plant by with user's cooperation, Development and Trial for compound cold rolling and hot rolled strip base material---be the hot rolling of low-carbon (LC) low-intensity and cold-rolled strip, thick 0.2～3mm, C≤0.17, Mn≤0.60, Si≤0.30.Chinese patent 91106921 discloses the contact wire steel grade of a kind of Cr of containing, P, V alloy element.Chinese patent 200710021001 discloses a kind of manufacture method of stainless steel belt for composite aluminium-steel contact rail.Chinese patent 201010201720,201010201724,201010201733 discloses a kind of tensile strength and has been respectively 340Mpa is used for automobile and little air conditioner heat radiator for central air-conditioning radiator, 280Mpa for power station radiator, 310Mpa hot-strip product.Chinese patent 200920219815,200910177029 discloses a kind of aluminum-steel-aluminum composite material and has been rolled into one by cold rolling mill, the chemical component weight of band is than being aluminium 15～25%, steel 75～85%, steel and aluminium are rolled into high-precision steel band and aluminium through cold-rolling mill respectively after by surface treatment, after surface clean, remove surface residue, degreasing, through the high-precision aluminium～steel of cold rolling one-tenth～aluminum composite belt, in 650～850 vacuum furnaces, processed 1～4 hour, make that two kinds of bands are combined into one, again finish rolling, smooth, polishing, pack after the sub-cut.Chinese patent 200610147497 discloses a kind of thickness greater than the cold demutation of 2.5mm bimetallic product product method, steel ingot is produced 4.8～6mm band through forging, hot rolling, after cold rolling, 1050～1150 ℃ of heat treatment temperatures, cold rolling recombination velocity≤1.5 m/min, rolling deformation rate 67～71%, 1050～1150 ℃ of sintering heat treatment temperatures.
Above patent and the disclosed steel aluminium/aluminum-steel-aluminum of report compound at present by practical application all be the thick strip product of 0.2～3mm and the technology such as process, production equipment, and used stainless steel or carbon structural steel are low-carbon (LC) low-intensity steel.
Middle low-speed maglev train track is take similar F shaped steel track as main, and application is F shaped steel to be kept flat be set to
Shape, the aluminium tablet of linear electric motors adopt bolt machinery to press method and are installed in the upper surface corresponding with two legs of F shaped steel, the thickness 3～4mm of aluminium.Chinese patent 200810053999,200420108618,201110153701,201010220481,200920039410,200610038650,200720005867,200720036402,200720120513 disclosed all be a kind ofly to adopt the method for the mechanical clod wash extruding difform corrosion resistant plate of built-in edge or alloy-steel plate to make steel-aluminium composite conducting rail at " worker " font aluminium section bar.Chinese patent 201110053436,201120056639 discloses a kind of complete set of equipments that adopts mechanical clod wash extruding embedding inlay technique production aluminium and the compound conductor rail of stainless steel.
Chinese patent 200620078950 discloses a kind of linear electric motors composite sensing plate, and steel plate and aluminium sheet adopt the production of blast complex method to be used for subway or light rail linear electric motors.
It is that 0.1～3mm, steel plate yield strength are less than the steel combined with aluminum strip product of 235Mpa that above patent and the disclosed Bar Rolling Process of report can only be produced thickness.And for the steel plate yield strength less than 345Mpa, thickness 10～25mm, the Steel-aluminium composite board of aluminium thickness 3～7mm can only adopt explosion cladding process production.Employing explosive welding (EW) explained hereafter cost is high, production efficiency is low, seriously polluted, and clad aluminum or complex copper is in uneven thickness, and used steel are the low-carbon (LC) Medium And Low Strength Steels, can not satisfy linear electric motors, magnetic suspension train etc. to the requirement of the steel aluminium of high permeability/steel composite copper material.
Summary of the invention
For above technical deficiency, the invention provides a kind of composite sensing plate, the rolling composite sensing plate of the large thickness of especially a kind of high permeability is used for magnetic-levitation train or secondary composite sensing plate and the manufacture method thereof of wheel-rail train linear electric motors.
The invention provides the large thickness composite sensing of high a kind of high permeability plate, it is characterized in that, it is characterized in that, the composite sensing plate is composited by steel plate and aluminium sheet or steel plate and copper coin; The thickness of steel plate is 10～100mm, yield strength 345Mpa-1000Mpa, and the thickness of aluminium sheet or copper coin is 3～30mm, the folded folder combination of aluminium sheet-steel plate-steel plate-aluminium sheet, rolling being composited on the milling train of the synchronously large roll-force of roller footpath 1:1.Solved and can only adopt at present that the compound production efficiency of bringing of blast is low, cost is high, seriously polluted, the technical problem such as composite bed is inhomogeneous, improve production efficiency, improved the quality of composite plate, reduce production cost, solved the pollution problem that blast causes.
The large thickness composite sensing of a kind of high permeability plate is characterized in that, it is characterized in that, the composite sensing plate is composited by steel plate and aluminium sheet or steel plate and copper coin; The thickness of steel plate is 10～100mm, yield strength 345Mpa-1000Mpa; The thickness of aluminium sheet or copper coin is 3～30mm.
The composite sensing plate is steel-copper composite plate, steel-aluminum composite plate, double-side copper-steel-copper composite plate, two-sided aluminium-steel-aluminum composite plate, aluminium-steel-steel-aluminum composite plate or copper-steel-steel-copper composite plate.
Preferably, the large thickness composite sensing of high permeability plate is the folded folder combination of aluminium sheet-steel plate-steel plate-aluminium sheet or copper coin-steel plate-steel plate-copper coin, rolling being composited on the milling train of the synchronously large roll-force of roller footpath 1:1.
Preferably, the steel grade that the steel plate of composite sensing plate adopts is: C:0.30～0.90%, and Si:0.17～0.55%, Mn:0.50～1.20%, P :≤0.060%, S :≤0.035%, other impurity element is all less than 0.25%, and the surplus element is Fe.
Preferably, fine aluminium or aluminium alloy that described aluminium sheet adopts, described copper coin adopts fine copper or copper alloy.
Technical scheme of the present invention is:
A kind of composite sensing board fabrication method comprises the following steps:
1) steel plate of yield strength 345Mpa-1000Mpa was heated 60～300 minutes the cooling of coming out of the stove in 300～700 ℃ of heating furnaces;
2) superimposed two block plates, and the edge of stack face with the welding rod means of spot welds together, form the stack steel plate, at stack steel plate edge and apart from the hole that 8～15mm every interval 200～300mm in edge bores diameter a 6～12mm, clean the oxide of two outer surfaces of stack steel plate with water;
3) two blocks of aluminium sheets or two copper coins are by step 2) method get out the corresponding hole that matches, then clean a surface of aluminium sheet or copper coin with water, clean each one of the aluminium sheet on surface or tow sides that copper coin is placed on respectively the stack steel plate to two with water, and make the clean face after cleaning with water press close to steel plate surface;
4) with aluminium bar aluminium sheet or copper coin are bored good hole rivet clasp on the stack steel plate by joining; Obtain aluminium～steel～steel～aluminium sheet or copper-steel-steel-copper coin;
5) the ready aluminium～steel of step 4)～steel～aluminium sheet or copper-steel-steel-copper coin are sent into roller footpath synchronous two rollers of 1:1 or the last rolling combined shaping of four-high mill, two rollers or four-high mill roll-force are 5000～15000KN, deflection 50～80%, the mill speed of milling train≤0.5 m/min;
6) aluminium～steel after rolling～steel～aluminum composite plate or copper-steel-steel-copper composite plate are sent into 300～600 ℃ of heating furnaces heating 1～3 hour.
7) cut away the edge, obtain two steel aluminium single faces or steel copper single face composite plate, the thickness error of finished steel aluminium single face composite plate or steel copper single face composite plate can be controlled in ± 0.02mm in.
When needs were produced aluminium～steel～aluminium double-sided composite plate, step 2 was selected a block plate, and repeating step 1～6 gets final product.
Preferably, adopt same technique, can produce single face steel-copper composite plate, or double-side copper-steel-copper composite plate.
Technical characterstic of the present invention is: substituted and only had at present the explosive method of employing could produce the steel aluminium of large thickness or the technical limitations of steel copper composite plate, can produce more high-intensity 50# steel etc. as the composite sensing plate of steel plate, permeability improves 10～30% than present Q235 steel, also can produce low-carbon (LC) Medium And Low Strength Steels aluminium or steel composite copper material, production cost is low, production efficiency is high, and product thickness is even, does not pollute.
Embodiment
Following examples are to further specify of the present invention, but the present invention is not limited thereto.
Embodiment 1:
The large thickness composite sensing of a kind of high permeability plate is characterized in that it is characterized in that, the composite sensing plate is composited by steel plate and aluminium sheet; The thickness of steel plate is 10mm, yield strength 345Mpa; Aluminium plate thickness is 3mm.
The composite sensing plate is steel-aluminum composite plate.
The large thickness composite sensing of high permeability plate is the folded folder combination of aluminium sheet-steel plate-steel plate-aluminium sheet, rolling being composited on the milling train of the synchronously large roll-force of roller footpath 1:1.
The steel grade that the steel plate of composite sensing plate adopts is: C:0.30%, and Si:0.30%, Mn:0.80%, P :≤0.060%, S :≤0.035%, other impurity element is all less than 0.25%, and the surplus element is Fe.
Preferably, the fine aluminium of described aluminium sheet employing.
The composite sensing board fabrication method comprises the following steps:
1) steel plate of yield strength 345Mpa was heated 60 minutes the cooling of coming out of the stove in 300 ℃ of heating furnaces;
2) superimposed two block plates, and the edge of stack face with the welding rod means of spot welds together, form the stack steel plate, at stack steel plate edge and apart from the hole that 10mm every interval 200mm in edge bores a diameter 8mm, clean the oxide of two outer surfaces of stack steel plate with water;
3) two blocks of aluminium sheets are by step 2) method get out the corresponding hole that matches, then clean a surface of aluminium sheet or copper coin with water, clean each one of the aluminium sheet on surface or tow sides that copper coin is placed on respectively the stack steel plate to two with water, and make the clean face after cleaning with water press close to steel plate surface;
4) with aluminium bar aluminium sheet is bored good hole rivet clasp on the stack steel plate by joining; Obtain aluminium～steel～steel～aluminium sheet;
5) the ready aluminium～steel of step 4)～steel～aluminium sheet is sent into roller footpath synchronous two rollers of 1:1 or the last rolling combined shaping of four-high mill, two rollers or four-high mill roll-force are 10000KN, deflection 60%, 0.2 m/min of the mill speed of milling train;
6) aluminium～steel after rolling～steel～aluminum composite plate is sent into 400 ℃ of heating furnaces heating 2 hours.
7) cut away the edge, obtain two steel aluminium single face composite plates, the thickness error of finished steel aluminium single face composite plate can be controlled in ± 0.02mm in.
Embodiment 2:
Other are with embodiment 1.Difference is:
The large thickness composite sensing of a kind of high permeability plate is characterized in that it is characterized in that, the composite sensing plate is composited by steel plate and aluminium sheet; The thickness of steel plate is 100mm, yield strength 1000Mpa; Aluminium plate thickness is 30mm.
The composite sensing plate is steel-aluminum composite plate.
Preferably, the large thickness composite sensing of high permeability plate is the folded folder combination of aluminium sheet-steel plate-steel plate-aluminium sheet, rolling being composited on the milling train of the synchronously large roll-force of roller footpath 1:1.
Preferably, the steel grade that the steel plate of composite sensing plate adopts is: C:0.60%, and Si:0.45%, Mn:0.50%, P :≤0.060%, S :≤0.035%, other impurity element is all less than 0.25%, and the surplus element is Fe.
Preferably, the aluminium alloy of described aluminium sheet employing.
Technical scheme of the present invention is:
A kind of composite sensing board fabrication method comprises the following steps:
1) steel plate of yield strength 1000Mpa was heated 300 minutes the cooling of coming out of the stove in 700 ℃ of heating furnaces;
2) superimposed two block plates, and the edge of stack face with the welding rod means of spot welds together, form the stack steel plate, at stack steel plate edge and apart from the hole that 15mm every interval 260mm in edge bores a diameter 12mm, clean the oxide of two outer surfaces of stack steel plate with water;
3) two blocks of aluminium sheets are by step 2) method get out the corresponding hole that matches, then clean a surface of aluminium sheet or copper coin with water, clean each one of the aluminium sheet on surface or tow sides that copper coin is placed on respectively the stack steel plate to two with water, and make the clean face after cleaning with water press close to steel plate surface;
4) with aluminium bar aluminium sheet is bored good hole rivet clasp on the stack steel plate by joining; Obtain aluminium～steel～steel～aluminium sheet;
5) the ready aluminium～steel of step 4)～steel～aluminium sheet is sent into roller footpath synchronous two rollers of 1:1 or the last rolling combined shaping of four-high mill, two rollers or four-high mill roll-force are 15000KN, deflection 70%, 0.3 m/min of the mill speed of milling train;
6) aluminium～steel after rolling～steel～aluminum composite plate is sent into 300 ℃ of heating furnaces heating 3 hours.
7) cut away the edge, obtain two steel aluminium single face composite plates, the thickness error of finished steel aluminium single face composite plate can be controlled in ± 0.02mm in.
Embodiment 3:
Other are with embodiment 1.Difference is:
The large thickness composite sensing of a kind of high permeability plate is characterized in that it is characterized in that, the composite sensing plate is composited by steel plate and aluminium sheet; The thickness of steel plate is 22mm, yield strength 500Mpa; Aluminium plate thickness is 5mm.
The composite sensing plate is steel-aluminum composite plate.
Preferably, the large thickness composite sensing of high permeability plate is the folded folder combination of aluminium sheet-steel plate-steel plate-aluminium sheet, rolling being composited on the milling train of the synchronously large roll-force of roller footpath 1:1.
Preferably, the steel grade that the steel plate of composite sensing plate adopts is: C:0.50%, and Si:0.27%, Mn:1.20%, P :≤0.060%, S :≤0.035%, other impurity element is all less than 0.25%, and the surplus element is Fe.
Technical scheme of the present invention is:
A kind of composite sensing board fabrication method comprises the following steps:
1) steel plate of yield strength 500Mpa was heated 100 minutes the cooling of coming out of the stove in 500 ℃ of heating furnaces;
2) superimposed two block plates, and the edge of stack face with the welding rod means of spot welds together, form the stack steel plate, at stack steel plate edge and apart from the hole that 8mm every interval 220mm in edge bores a diameter 6mm, clean the oxide of two outer surfaces of stack steel plate with water;
3) two blocks of aluminium sheets are by step 2) method get out the corresponding hole that matches, then clean a surface of aluminium sheet or copper coin with water, clean each one of the aluminium sheet on surface or tow sides that copper coin is placed on respectively the stack steel plate to two with water, and make the clean face after cleaning with water press close to steel plate surface;
4) with aluminium bar aluminium sheet is bored good hole rivet clasp on the stack steel plate by joining; Obtain aluminium～steel～steel～aluminium sheet;
5) the ready aluminium～steel of step 4)～steel～aluminium sheet is sent into roller footpath synchronous two rollers of 1:1 or the last rolling combined shaping of four-high mill, two rollers or four-high mill roll-force are 7000KN, deflection 55%, 0.4 m/min of the mill speed of milling train;
6) aluminium～steel after rolling～steel～aluminum composite plate is sent into 500 ℃ of heating furnaces heating 1 hour.
7) cut away the edge, obtain two steel aluminium single face composite plates, the thickness error of finished steel aluminium single face composite plate can be controlled in ± 0.02mm in.
Embodiment 4:
Other are with embodiment 1.Difference is:
The large thickness composite sensing of a kind of high permeability plate is characterized in that it is characterized in that, the composite sensing plate is composited by steel plate and aluminium sheet; The thickness of steel plate is 25mm, yield strength 400Mpa; Aluminium plate thickness is 7mm.
The composite sensing plate is two-sided aluminium-steel-aluminum composite plate.
Preferably, the large thickness composite sensing of high permeability plate is the folded folder combination of aluminium sheet-steel plate-steel plate-aluminium sheet, rolling being composited on the milling train of the synchronously large roll-force of roller footpath 1:1.
Preferably, the steel grade that the steel plate of composite sensing plate adopts is: C:0.40%, and Si:0.55%, Mn:0.60%, P :≤0.060%, S :≤0.035%, other impurity element is all less than 0.25%, and the surplus element is Fe.
Technical scheme of the present invention is:
A kind of composite sensing board fabrication method comprises the following steps:
1) steel plate of yield strength 400Mpa was heated 300 minutes the cooling of coming out of the stove in 600 ℃ of heating furnaces;
2) the hole of steel plate apart from a diameter 10mm of the every interval 300mm brill of edge 12mm, clean the oxide of two outer surfaces of stack steel plate with water;
3) two blocks of aluminium sheets are by step 2) method get out the corresponding hole that matches, then clean a surface of aluminium sheet or copper coin with water, clean each one of the aluminium sheet on surface or tow sides that copper coin is placed on respectively the stack steel plate to two with water, and make the clean face after cleaning with water press close to steel plate surface;
4) with aluminium bar aluminium sheet is bored good hole rivet clasp on the stack steel plate by joining; Obtain aluminium～steel～steel～aluminium sheet;
5) the ready aluminium～steel of step 4)～aluminium sheet is sent into roller footpath synchronous two rollers of 1:1 or the last rolling combined shaping of four-high mill, two rollers or four-high mill roll-force are 15000KN, deflection 80%, 0.5 m/min of the mill speed of milling train;
6) aluminium～steel after rolling～steel～aluminum composite plate is sent into 600 ℃ of heating furnaces heating 1.5 hours.
Embodiment 5:
Other are with embodiment 1.Difference is:
Use copper coin to replace aluminium sheet.
Embodiment 6
Other are with embodiment 3.Difference is: use copper coin to replace aluminium sheet.
Embodiment 7
Other are with embodiment 4.Difference is: use copper coin to replace aluminium sheet.
Claims (8)
1. the large thickness composite sensing of a high permeability plate is characterized in that, it is characterized in that, the composite sensing plate is composited by steel plate and aluminium sheet or steel plate and copper coin; The thickness of steel plate is 10～100mm, yield strength 345Mpa-1000Mpa; The thickness of aluminium sheet or copper coin is 3～30mm.
2. the large thickness composite sensing of high permeability as claimed in claim 1 plate, it is characterized in that the composite sensing plate is steel-copper composite plate, steel-aluminum composite plate, double-side copper-steel-copper composite plate, two-sided aluminium-steel-aluminum composite plate, aluminium-steel-steel-aluminum composite plate or copper-steel-steel-copper composite plate.
3. the large thickness composite sensing of high permeability as claimed in claim 2 plate, it is characterized in that, the large thickness composite sensing of high permeability plate is the folded folder combination of aluminium sheet-steel plate-steel plate-aluminium sheet or copper coin-steel plate-steel plate-copper coin, rolling being composited on the milling train of the synchronously large roll-force of roller footpath 1:1.
4. such as the large thickness composite sensing of each described high permeability of claim 1～3 plate, it is characterized in that, the steel grade that the steel plate of composite sensing plate adopts is: C:0.30～0.90%, Si:0.17～0.55%, Mn:0.50～1.20%, P :≤0.060%, S :≤0.035%, other impurity element is all less than 0.25%, and the surplus element is Fe.
5. such as the large thickness composite sensing of each described high permeability of claim 1～3 plate, it is characterized in that, fine aluminium or aluminium alloy that described aluminium sheet adopts, described copper coin adopts fine copper or copper alloy.
6. such as the large thickness composite sensing of each described high permeability of claim 1～5 board fabrication method, comprise the following steps:
1) steel plate of yield strength 345Mpa-1000Mpa was heated 60～300 minutes the cooling of coming out of the stove in 300～700 ℃ of heating furnaces;
2) superimposed two block plates, and the edge of stack face with the welding rod means of spot welds together, form the stack steel plate, at stack steel plate edge and apart from the hole that 8～15mm every interval 200～300mm in edge bores diameter a 6～12mm, clean the oxide of two outer surfaces of stack steel plate with water;
3) two blocks of aluminium sheets or two copper coins are by step 2) method get out the corresponding hole that matches, then clean a surface of aluminium sheet or copper coin with water, clean each one of the aluminium sheet on surface or tow sides that copper coin is placed on respectively the stack steel plate to two with water, and make the clean face after cleaning with water press close to steel plate surface;
4) with aluminium bar aluminium sheet or copper coin are bored good hole rivet clasp on the stack steel plate by joining; Obtain aluminium～steel～steel～aluminium sheet or copper-steel-steel-copper coin;
5) the ready aluminium～steel of step 4)～steel～aluminium sheet or copper-steel-steel-copper coin are sent into roller footpath synchronous two rollers of 1:1 or the last rolling combined shaping of four-high mill, two rollers or four-high mill roll-force are 5000～15000KN, deflection 50～80%, the mill speed of milling train≤0.5 m/min;
6) aluminium～steel after rolling～steel～aluminum composite plate or copper-steel-steel-copper composite plate are sent into 300～600 ℃ of heating furnaces heating 1～3 hour;
7) cut away the edge, obtain two steel aluminium single faces or steel copper single face composite plate, the thickness error of finished steel aluminium single face composite plate or steel copper single face composite plate can be controlled in ± 0.02mm in.
7. the large thickness composite sensing of high permeability as claimed in claim 6 board fabrication method, it is characterized in that, described composite sensing plate is double-side copper-steel-copper composite plate or two-sided aluminium-steel-aluminum composite plate, step 2) only select a block plate, repeating step 1)-step 6).
8. the large thickness composite sensing of high permeability as claimed in claim 6 board fabrication method, it is characterized in that, described composite sensing plate is aluminium-steel-steel-aluminum composite plate or copper-steel-steel-copper composite plate, repeating step 1)～step 6), do not comprise step 7).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104401061A (en) * | 2014-11-20 | 2015-03-11 | 芜湖鑫力管道技术有限公司 | Single-sided composite copper plate and production method thereof |
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| CN104401061A (en) * | 2014-11-20 | 2015-03-11 | 芜湖鑫力管道技术有限公司 | Single-sided composite copper plate and production method thereof |
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