CN108672494B - A kind of method of metal composite substrate popin continuous rolling - Google Patents
A kind of method of metal composite substrate popin continuous rolling Download PDFInfo
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- CN108672494B CN108672494B CN201810468487.4A CN201810468487A CN108672494B CN 108672494 B CN108672494 B CN 108672494B CN 201810468487 A CN201810468487 A CN 201810468487A CN 108672494 B CN108672494 B CN 108672494B
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- 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
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- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Metal Rolling (AREA)
Abstract
The invention belongs to the materials processing technology field of composite metal plate, the method for specifically a kind of metal composite substrate popin continuous rolling.Blank is rolled into corrugated composite plate using corrugation rolls first, then is offseted using plain-barreled roll, the peak stress of technology utilization different location twice can realize high strength bond of the composite plate from part to entire surface；Compared with directly being offseted along former rolling direction, ripple composite plate offsets after being rotated by 90 ° can reduce metal along the elongation percentage of plate width direction, reduce the damage to binding site was originally had been carried out, and it is more obvious to be that extruding at wave crest was descended, be conducive to the raising for originally combining relatively weak position bond strength, to improve the bond quality of entire surface；Ripple composite plate offsets after being rotated by 90 ° to be also possible to prevent to generate during ripple composite plate offsets perpendicular to the warpage on ripple direction, is conducive to subsequent reduction process and is obtained continuity.
Description
Technical field
The invention belongs to the materials processing technology field of composite metal plate, specifically a kind of metal composite substrate popin is continuous
The method of rolling.
Background technique
The layered bi-metals based composites such as copper/aluminium, steel/aluminium, aluminium/stainless steel clad plate are keeping base metals characteristic
Also there is " mutually mending effect " simultaneously, valuable rare metal can be saved, can be had according to actual condition by appropriate matched combined
Excellent comprehensive performance is the important engineering material of one kind that social development is badly in need of, machinery, space flight, chemical industry, medical treatment, building,
The fields such as electric appliance and military project have wide practical use and practical value.But the production technology of ply-metal is also not
Enough maturations, there is also some problems in industrial production and engineer application.
Currently, the production technology of ply-metal mainly have Rolling compund, Explosion composite, explosion-Rolling compund and
The techniques such as Diffusion Welding is compound, but that there are bond strengths is low, warpage is serious, production efficiency is low, lumber recovery for the above production technology
Problem not high, interface mechanical characteristic is poor, relatively high to equipment requirement.In consideration of it, Huang Qingxue et al. proposes a kind of rolling system
The new method of standby metal clad plate strip, it is rolling for common plain-barreled roll for ripple type roll lower roll that this method, which is used first equipped with upper roller,
Machine rolls composite plate blank, prepares corrugated composite plate, then by wave on the milling train that up-down rollers are plain-barreled roll
Line shape composite plate offsets.Experiments verify that finding although the technique solves composite plate Rolling Production in the process since warpage can not
The problem of realizing continuous production, while the bond strength of composite plate is improved, but be easy during ripple composite plate offsets
It can be because being broken at the improper trough for leading to thinner thickness of rolling mill practice, rolling mill practice is subject to certain restrictions.So metal
The continuous rolling production process of base composite plate is a problem to be solved.
Summary of the invention
The purpose of the present invention is to solve the technologies being easily broken off during bimetallic composite substrate popin continuous rolling
Problem provides a kind of method of metal composite substrate popin continuous rolling.
The present invention is achieved by the following technical solutions: a kind of method of metal composite substrate popin continuous rolling, packet
Include following steps:
1) base: choosing the identical metal skin plates of length and width and metal substrate, surface are cleared up, metal skin plates and Metal Substrate
The cleaning of plate is stacked and is combined in face of button, forms composite plate blank；
2) roll: the composite plate blank for using cold rolling combination process is directly common plain-barreled roll with upper roller for corrugation rolls, lower roll
Duo mill rolled；Vacuum need to be first carried out in vacuum furnace using the composite plate blank of method hot rolling technique to add
Then heat is rolled with above-mentioned milling train, finally by composite plate blanks material be rolled into upper surface be it is corrugated, lower surface is plane
Ripple composite plate；
3) it rotates: being rotated by 90 ° the ripple composite plate rolled under the auxiliary of steel rotator；
4) it anneals: ripple composite plate being sent to vacuum furnace or protective atmosphere heating furnace is diffused annealing, is moved back
Ripple composite plate is heated or cooled to by required rolling temperature according to the demand of next passes technique after fire；
5) roll: the ripple composite plate taken out from heating furnace is routed directly to the duo mill or four that up-down rollers are plain-barreled roll
Roller mill is rolled, and ripple composite plate is rolled into the corrugated interfaces composite plate that upper and lower surface is plane；
6) it rotates: being rotated by 90 ° corrugated interfaces composite plate again by steel rotator, direction of rotation is opposite with step 3)；
7) tandem rolling: requiring to continue to use up and down according to product specification is that the duo mill of plain-barreled roll or four-high mill will offset
Corrugated interfaces composite plate continue to be thinned to target thickness, obtain corrugated interfaces ply-metal；
8) it anneals: the corrugated interfaces ply-metal rolled into is sent to vacuum furnace or protective atmosphere heating furnace again
It is made annealing treatment；
9) finishing: finally, will be aligned by the corrugated interfaces ply-metal of annealing, and trimming, bundle and beat
Packet.
As the further improvement of technical solution of the present invention, in the step 2) rolling, use upper roller for corrugation rolls, lower roll
When being rolled for the duo mill of common plain-barreled roll, the biggish metal skin plates of resistance of deformation are contacted with corrugation rolls, resistance of deformation compared with
Small metal substrate is contacted with plain-barreled roll.
As the further improvement of technical solution of the present invention, in the step 2) rolling, a certain pressure in 25%-85%
It needs to guarantee when rate is rolled, plate totality warpage angle is no more than 2 degree.
As the further improvement of technical solution of the present invention, the ratio n of the ripple line depth s and corrugated periodic t of corrugation rolls are full
Foot: n=s/t≤0.4 and be not 0, the ratio of the average diameter r of ripple line depth s and corrugation rolls meets: N=s/r≤0.05 and not
It is 0.
Thickness H as the further improvement of technical solution of the present invention, in step 5) rolling, before the rolling of ripple composite plate
It is greater than the ripple depth of convolution s of ripple composite plate with the difference DELTA h of the h of the thickness after rolling and is less than the 85% of thickness H.
It as the further improvement of technical solution of the present invention, in the step 7) tandem rolling, is thinned in the operation of rolling, rolling pressure
Lower rate is no more than 30%.
As the further improvement of technical solution of the present invention, in the step 4) annealing and step 8) annealing, annealing temperature
A certain temperature in respectively 200 DEG C -900 DEG C, annealing time control between 30-300min.
As the further improvement of technical solution of the present invention, in the step 7) tandem rolling, the rolling of corrugated interfaces composite plate
The direction that direction is rolled with step 2) is consistent.
As the further improvement of technical solution of the present invention, in step 1) base, metal skin plates and metal substrate are logical
It crosses binding or soldering processing is combined, and the composite plate blank that needs to carry out hot rolling also needs to carry out vacuumize process, so
Step 2) rolling is carried out afterwards.
Compared with prior art, the present invention has the following advantages:
1. blank, which is rolled into ripple composite plate, using corrugation rolls can reduce the warpage degree of composite plate, it is easy to implement Metal Substrate
The continuous rolling of composite plate；
2. blank is rolled corrugated composite plate using corrugation rolls first, then offseted using plain-barreled roll, the technology utilization
The peak stress of different location can realize high strength bond of the composite plate from part to entire surface twice；
3. compared with directly offseting along former rolling direction, ripple composite plate offsets that can to reduce metal wide along plate after being rotated by 90 °
The elongation percentage in direction is reduced to originally having been carried out the damage of binding site, and it is more obvious to be that extruding at wave crest was descended, and has
Conducive to the raising for originally combining relatively weak position bond strength, to improve the bond quality of entire surface；
It is also possible to prevent to generate during ripple composite plate offsets perpendicular to ripple 4. ripple composite plate offsets after being rotated by 90 °
Warpage on direction is conducive to subsequent reduction process and obtains continuity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the broken away view of composite plate blank of the present invention.
Fig. 2 is the process flow chart of the method for metal composite substrate popin continuous rolling of the present invention.
Fig. 3 is the structural schematic diagram of ripple composite plate of the present invention.
Fig. 4 is the structural schematic diagram of corrugated interfaces composite plate of the present invention.
Fig. 5 is the structural schematic diagram of corrugated interfaces ply-metal of the present invention.
Fig. 6 is the structural schematic diagram of corrugation rolls of the present invention.
Fig. 7 is the working state figure of four-high mill in step 5) rolling.
Fig. 8 is the outline drawing of the corrugated interfaces composite plate of step 5) in 1 the method for embodiment.
Fig. 9 is the outline drawing of the composite plate of step 2) in 1 the method for comparative example.
Figure 10 is the outline drawing of the composite plate of step 2) in 2 the method for comparative example.
In figure: 1- metal skin plates, 2- metal substrate, 3- composite plate blank, 4- corrugation rolls, 5- ripple composite plate, 6- protection
Atmosphere heating furnace, 7- four-high mill, 8- corrugated interfaces composite plate, 9- corrugated interfaces ply-metal.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Technical solution of the present invention is described in detail with reference to the accompanying drawing.
A kind of method of metal composite substrate popin continuous rolling, comprising the following steps:
1) base: the identical metal skin plates 1 of length and width and metal substrate 2 are chosen, surface is cleared up, metal skin plates 1 and gold
The cleaning for belonging to substrate 2 is stacked and is combined in face of button, forms composite plate blank 3；
2) roll: the composite plate blank 3 for using cold rolling combination process is directly common flat with upper roller for corrugation rolls 4, lower roll
The duo mill of roller is rolled；It needs first to carry out vacuum in vacuum furnace using the composite plate blank 3 of method hot rolling technique
Heating, then rolled with above-mentioned milling train, finally by composite plate blanks material 3 be rolled into upper surface be it is corrugated, lower surface is flat
The ripple composite plate 5 in face；
3) it rotates: being rotated by 90 ° the ripple composite plate 5 rolled under the auxiliary of steel rotator；
4) it anneals: ripple composite plate 5 being sent to vacuum furnace or protective atmosphere heating furnace 6 is diffused annealing,
Ripple composite plate 5 is heated or cooled to by required rolling temperature according to the demand of next passes technique after annealing；
5) roll: the ripple composite plate 5 taken out from heating furnace be routed directly to the duo mill that up-down rollers are plain-barreled roll or
Four-high mill 7 is rolled, and ripple composite plate 5 is rolled into the corrugated interfaces composite plate 8 that upper and lower surface is plane；
6) it rotates: being rotated by 90 ° corrugated interfaces composite plate 8 again by steel rotator, direction of rotation is opposite with step 3)；
7) tandem rolling: requiring to continue to use up and down according to product specification is that the duo mill of plain-barreled roll or four-high mill 7 will roll
Flat corrugated interfaces composite plate 8 continues to be thinned to target thickness, obtains corrugated interfaces ply-metal 9；
8) it anneals: the corrugated interfaces ply-metal 9 rolled into being sent to vacuum furnace again or protective atmosphere heats
Furnace 6 is made annealing treatment；
9) finishing: finally, will be aligned by the corrugated interfaces ply-metal 9 of annealing, and trimming, bundle and beat
Packet.
Preferably, in the step 2) rolling, upper roller is used to carry out for the duo mill that 4 lower roll of corrugation rolls is common plain-barreled roll
When rolling, the biggish metal skin plates 1 of resistance of deformation are contacted with corrugation rolls 4, and the lesser metal substrate 2 of resistance of deformation connects with plain-barreled roll
Touching.Corrugation rolls 4 can increase the shear stress of corresponding contact surface metal during the rolling process, and form stress in plate regional area
Peak value, is conducive to the plastic deformation of difficult deformable metal, to promote intermetallic combination.
In the present invention, it in the step 2) rolling, needs to guarantee when a certain reduction ratio is rolled in 25%-85%,
Plate totality warpage angle is no more than 2 degree.Blank can be made to realize the combination and ripple composite plate 5 of some strength
Good straightness degree.
Further, the ripple line depth s and corrugated periodic t of corrugation rolls 4 ratio n meet: n=s/t≤0.4 and not be 0,
The ratio of the average diameter r (average diameters of peaks and troughs) of ripple line depth s and corrugation rolls 4 meets: N=s/r≤0.05 and
It is not 0.In the present invention, the ripple of corrugation rolls 4 is axially parallel with roll, and line shape includes arc-shaped, sine curve, cosine curve
Etc. symmetrical line shape.
Preferably, when step 5) rolls, the difference of the h of the thickness after thickness H and rolling before the rolling of ripple composite plate 5
Δ h is greater than the ripple depth of convolution s of ripple composite plate 5 and is less than the 85% of thickness H.
Further, it in the step 7) tandem rolling, is thinned in the operation of rolling, rolling reduction ratio is no more than 30%.That is (pressure
Before-after pressure)/depress Qian≤30%.
Further, in the step 4) annealing and step 8) annealing, annealing temperature is respectively a certain in 200 DEG C -900 DEG C
Temperature, annealing time control between 30-300min.The annealing time of specific every step and temperature are according to the work of material and processing
Depending on skill.
Specifically, the direction of rolling direction and step 2) rolling of corrugated interfaces composite plate 8 is protected in the step 7) tandem rolling
It holds consistent.
Preferably, in step 1) base, metal skin plates 1 and metal substrate 2 are existed by binding or soldering processing combination
Together, and the composite plate blank 3 that needs to carry out hot rolling also needs to carry out vacuumize process, then carries out step 2) rolling.Into
When row removing surface, grinding process is carried out to plate surface to be composite by matched mechanical dephosphorization apparatus, until surface is in " mill
Sand " shape exposes fresh metal to remove scale on surface and pollutant.
Technical solution of the present invention is described in detail below by specific embodiment.
Embodiment 1
Cladding copper and aluminum sheet is prepared using method shown in attached drawing 1,2:
1) base: pure aluminum plate is chosen as metal skin plates 1, board dimension is 2000mm (length) × 500mm (width) × 20mm
(height), for fine copper plate as metal substrate 2, board dimension is 2000mm (length) × 500mm (width) × 80mm (height).Using equipped with steel
The milling tools of wire brush is polishing to " sand face " effect to fine copper plate and pure aluminum plate face to be combined, to remove steel slab surface oxidation
Object creates favorable conditions for Copper-Aluminum compound, then stacks copper, aluminium sheet buffed surface, and rivets the head and tail portion of plate,
Bitten with ensuring that base compound plate smoothly synchronizes, and during the rolling process will not sideslip, be made composite plate blank 3.
2) roll: using upper roller is the duo mill that corrugation rolls 4, lower roll are common plain-barreled roll to rolling, and will finally be answered
It is ripple composite plate 5 corrugated, that lower surface is plane that plywood blank 3, which is rolled into upper surface,.In the step 2) rolling,
It needs to guarantee when 55% reduction ratio is rolled, plate totality warpage angle is no more than 2 degree.The ripple line depth s of corrugation rolls 4 is
3mm, corrugated periodic t are 75, and the average diameter r of corrugation rolls 4 is 320mm.In the present invention, the ripple and roll mandrel of corrugation rolls 4
To parallel, line shape is arc-shaped.
3) it rotates: being rotated by 90 ° the ripple composite plate 5 rolled under the auxiliary of steel rotator.
4) it anneals: ripple composite plate 5 being sent to protective atmosphere heating furnace 6, is diffused annealing under the conditions of 350 DEG C
Ripple composite plate 5 is heated rapidly to 400 DEG C after annealing by 20min.
5) roll: the ripple composite plate 5 taken out from heating furnace be routed directly to up-down rollers be plain-barreled roll four-high mill 7 into
Row rolling, rolls into the corrugated interfaces composite plate 8 that upper and lower surface is plane for ripple composite plate 5.In step 5) rolling, ripple
Thickness H before composite plate 5 rolls is 10mm, and the h of the thickness after rolling is 3mm.
6) rotate: by steel rotator by corrugated interfaces composite plate 8 be rotated by 90 ° again, direction of rotation is opposite with step 3).
7) ripple circle for continuing to offset using the four-high mill 7 for being up and down plain-barreled roll tandem rolling: is required according to product specification
Face composite plate 8 continues to be thinned to target thickness.It in the step 7) tandem rolling, is thinned in the operation of rolling, rolling reduction ratio is no more than
30%.The direction that the rolling direction of corrugated interfaces composite plate 8 is rolled with step 2) is consistent.
8) it anneals: the corrugated interfaces ply-metal 9 rolled into is sent to again in protective atmosphere heating furnace 6, at 350 DEG C
Under the conditions of carry out 50min annealing.
9) finishing: finally, will be aligned by the corrugated interfaces ply-metal 9 of annealing, and trimming, bundle and beat
Packet.
Embodiment 2
Carbon steel-stainless steel composite plate is prepared using method shown in attached drawing 1,2:
1) base: s316L plate is chosen as metal skin plates 1, board dimension is 2000mm (length) × 500mm (width) × 20mm
(height), for Q345R carbon steel sheet as metal substrate 2, board dimension is 2000mm (length) × 500mm (width) × 80mm (height).Using
Milling tools equipped with wire brush to Jing Guo stress relief annealing process carbon steel and stainless steel plate face to be combined be polishing to " sand
Face " effect is created favorable conditions with removing steel slab surface oxide for the compound of carbon steel-stainless steel, then by carbon steel, stainless
Polishing steel plate face is stacked, and carbon steel, stainless steel surrounding is carried out soldering, and at 3 head of composite plate blank interface to be combined
One vacuum-pumping tube of place's welding, vacuumizes composite plate blank 3 with vacuum pump, prevents combination interface from producing during heating
Raw more oxidations, are made composite plate blank 3.
2) it rolls: first carrying out heating in vacuum in vacuum furnace, composite plate blank 3 is heated to 1300 DEG C, is then used
Upper roller be corrugation rolls 4, two rollers that lower roll is common plain-barreled roll milling train rolled, composite plate blanks material 3 is finally rolled into upper table
Face is ripple composite plate 5 corrugated, that lower surface is plane.In the step 2) rolling, the reduction ratio 55% is rolled
When need to guarantee, plate totality warpage angle be no more than 2 degree.The ripple line depth s of corrugation rolls 4 is 3mm, and corrugated periodic t is 75, ripple
The average diameter r of roller 4 is 320mm.In the present invention, the ripple of corrugation rolls 4 is axially parallel with roll, and line shape is arc-shaped.
3) it rotates: being rotated by 90 ° the ripple composite plate 5 rolled under the auxiliary of steel rotator.
4) it anneals: ripple composite plate 5 being sent to protective atmosphere heating furnace 6 at 800 DEG C and is carried out at 20min diffusion annealing
Reason, is heated rapidly to 1300 DEG C for ripple composite plate 5 after annealing.
5) roll: being routed directly to up-down rollers from the ripple composite plate 5 that heating furnace takes out is in the four-high mill 7 of plain-barreled roll
It is rolled, ripple composite plate 5 is rolled into the corrugated interfaces composite plate 8 that upper and lower surface is plane.In step 5) rolling, wave
Thickness H before line composite plate 5 rolls is 10mm, and the h of the thickness after rolling is 3mm.
6) it rotates: being rotated by 90 ° corrugated interfaces composite plate 8 again by steel rotator, direction of rotation is opposite with step 3).
7) tandem rolling: corrugated interfaces composite plate 8 obtained in step 5) is heated to 1300 DEG C again, is wanted further according to product specification
It asks and continues to continue the corrugated interfaces composite plate 8 offseted to be thinned to target thickness using the four-high mill 7 for being up and down plain-barreled roll.Institute
It states in step 7) tandem rolling, is thinned in the operation of rolling, rolling reduction ratio is no more than 30%.The rolling direction of corrugated interfaces composite plate 8
It is consistent with the direction of step 2) rolling.
8) it anneals: the corrugated interfaces ply-metal 9 rolled into is sent to protective atmosphere heating furnace 6 at 800 DEG C again
Carry out 60min annealing.
9) finishing: finally, will be aligned by the corrugated interfaces ply-metal 9 of annealing, and trimming, bundle and beat
Packet.
Comparative example 1
Cladding copper and aluminum sheet is prepared using existing method:
1) base: pure aluminum plate is chosen as metal skin plates 1, board dimension is 200mm (length) × 50mm (width) × 2mm
(height), for fine copper plate as metal substrate 2, board dimension is 200mm (length) × 50mm (width) × 8mm (height).Using equipped with steel wire
The milling tools of brush is polishing to " sand face " effect to fine copper plate and pure aluminum plate face to be combined, to remove steel slab surface oxidation
Object creates favorable conditions for Copper-Aluminum compound, then stacks copper, aluminium sheet buffed surface, and rivets the head and tail portion of plate,
Bitten with ensuring that base cladding plate smoothly synchronizes, and during the rolling process will not sideslip, be made composite plate blank 3.
2) roll: using roller diameter is the common duo mill of φ 320mm to rolling, and reduction ratio 60% finally will
Composite plate blank 3 is rolled into flat-rolled composite plate.
3) it anneals: the rolling composite plate of the first passage being sent to protective atmosphere heating furnace 6 at 350 DEG C and is carried out
20min diffusion annealing processing.
4) it rolls: composite plate is taken out to the common duo mill for being routed directly to that above-mentioned roller diameter is φ 320mm from heating furnace
Two passes of middle progress, reduction ratio 40% obtain compound board finished product.
5) it anneals: the composite plate rolled into is sent to protective atmosphere heating furnace again, and carry out 30min annealing at 350 DEG C
Processing.
Comparative example 2
Cladding copper and aluminum sheet is prepared using existing method:
1) base: pure aluminum plate is chosen as metal skin plates 1, board dimension is 200mm (length) × 50mm (width) × 2mm
(height), for fine copper plate as metal substrate 2, board dimension is 200mm (length) × 50mm (width) × 8mm (height).Using equipped with steel wire
The milling tools of brush is polishing to " sand face " effect to fine copper plate and pure aluminum plate face to be combined, to remove steel slab surface oxidation
Object creates favorable conditions for Copper-Aluminum compound, then stacks copper, aluminium sheet buffed surface, and rivets the head and tail portion of plate,
Bitten with ensuring that base cladding plate smoothly synchronizes, and during the rolling process will not sideslip, be made composite plate blank 3.
2) roll: using upper roller is duo mill that corrugation rolls 4, lower roll are common plain-barreled roll to rolling, under mean pressure
Rate is 60%, finally by composite plate blanks material 3 be rolled into upper surface be it is corrugated, lower surface be plane ripple composite plate 5.Wherein
The design parameter of corrugation rolls 4 is the same as embodiment 1.
3) it anneals: the rolling ripple composite plate of the first passage being sent to protective atmosphere heating furnace 6 at 350 DEG C and is carried out
20min diffusion annealing processing.
4) it rolls: ripple composite plate is taken out to common two roller for being routed directly to that above-mentioned roller diameter is φ 320mm from heating furnace
Two passes are carried out in milling train, average reduction ratio 40% obtains compound board finished product.
5) it anneals: the composite plate rolled into is sent to protective atmosphere heating furnace again, and carry out 30min annealing at 350 DEG C
Processing.
It is walked in the corrugated interfaces composite plate 8 of step 5) and the method for comparative example in 1 method of further embodiment of the present invention
Rapid composite plate (flat-rolled composite plate, ripple composite plate) performance 2) observed (referring to Fig. 8 to Figure 10) and measurement, performance referring to
Following table.
As can be seen from the above table: the rolling of Cu-Al bimetal composite plate can not only reduce plate using popin continuous rolling new process
The warpage of material is advantageously implemented composite plate continuous production, improves production efficiency, moreover it is possible to improve the bond strength of composite plate, improve
Lumber recovery reduces flatness defect.
The wherein mensuration mode of shear strength: a shearing for composite plate sample is tested on DNS200 electronic universal tester
Intensity, tensile speed 1mm/min, the size of shearing test sample is referring to GB/T6396-1995 composite plate mechanics and craftsmanship
Energy test method is formulated, and test result is seen the above table.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of method of metal composite substrate popin continuous rolling, which comprises the following steps:
1) base: choosing the identical metal skin plates (1) of length and width and metal substrate (2), and surface is cleared up, metal skin plates (1) and
The cleaning of metal substrate (2) is stacked and is combined in face of button, is formed composite plate blank (3)；
2) roll: the composite plate blank (3) for using cold rolling combination process is directly common flat for corrugation rolls (4), lower roll with upper roller
The duo mill of roller is rolled, and the biggish metal skin plates of resistance of deformation (1) are contacted with corrugation rolls (4), and resistance of deformation is lesser
Metal substrate (2) is contacted with plain-barreled roll；It needs first to carry out in vacuum furnace using the composite plate blank (3) of method hot rolling technique true
Sky heating, is then rolled with above-mentioned milling train, and it is corrugated, lower surface that composite plate blanks material (3), which is finally rolled into upper surface,
For the ripple composite plate (5) of plane,；
3) it rotates: being rotated by 90 ° the ripple composite plate (5) rolled under the auxiliary of steel rotator；
4) it anneals: ripple composite plate (5) being sent to vacuum furnace or protective atmosphere heating furnace (6) is diffused annealing,
Ripple composite plate (5) is heated or cooled to by required rolling temperature according to the demand of next passes technique after annealing；
5) roll: the ripple composite plate (5) taken out from heating furnace is routed directly to the duo mill or four that up-down rollers are plain-barreled roll
Roller mill (7) is rolled, and ripple composite plate (5) is rolled into the corrugated interfaces composite plate (8) that upper and lower surface is plane；
6) it rotates: being rotated by 90 ° corrugated interfaces composite plate (8) again by steel rotator, direction of rotation is opposite with step 3)；
7) tandem rolling: requiring to continue to use up and down according to product specification is that the duo mill of plain-barreled roll or four-high mill (7) will offset
Corrugated interfaces composite plate (8) continue to be thinned to target thickness, obtain corrugated interfaces ply-metal (9)；
8) it anneals: the corrugated interfaces ply-metal (9) rolled into is sent to vacuum furnace or protective atmosphere heating furnace again
(6) it is made annealing treatment；
9) finishing: finally, will be aligned by the corrugated interfaces ply-metal (9) of annealing, and trimming, bundle and beat
Packet.
2. a kind of method of metal composite substrate popin continuous rolling according to claim 1, which is characterized in that the step
In rapid 2) rolling, need to guarantee when a certain reduction ratio is rolled in 25%-85%, plate totality warpage angle is no more than 2 degree.
3. a kind of method of metal composite substrate popin continuous rolling according to claim 2, which is characterized in that corrugation rolls
(4) the ratio n of ripple line depth s and corrugated periodic t meets: n=s/t≤0.4 and be not 0, ripple line depth s and corrugation rolls (4)
The ratio of average diameter r meets: N=s/r≤0.05 and be not 0.
4. a kind of method of metal composite substrate popin continuous rolling according to claim 2, which is characterized in that in step
5) when rolling, the difference DELTA h of the h of the thickness after thickness H and rolling before ripple composite plate (5) rolling is greater than ripple composite plate
(5) depth of convolution s and it is less than the 85% of thickness H.
5. a kind of method of metal composite substrate popin continuous rolling according to claim 2, which is characterized in that the step
It in rapid 7) tandem rolling, is thinned in the operation of rolling, rolling reduction ratio is no more than 30%.
6. a kind of method of metal composite substrate popin continuous rolling according to claim 2, which is characterized in that the step
In rapid 4) annealing and step 8) annealing, annealing temperature is respectively a certain temperature in 200 DEG C -900 DEG C, and annealing time controls
Between 30-300min.
7. a kind of method of metal composite substrate popin continuous rolling according to claim 2, which is characterized in that the step
In rapid 7) tandem rolling, the direction that the rolling direction of corrugated interfaces composite plate (8) is rolled with step 2 is consistent.
8. a kind of method of metal composite substrate popin continuous rolling according to claim 2, which is characterized in that in step
1) in base, metal skin plates (1) and metal substrate (2) are to be combined by binding or soldering processing, and need to carry out
The composite plate blank (3) of hot rolling also needs to carry out vacuumize process, then carries out step 2 rolling.
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| JPH0671602B2 (en) * | 1985-05-14 | 1994-09-14 | 住友金属工業株式会社 | Method of rolling thick plate material |
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