CN104801859A - Manufacturing method for blank for producing steel-aluminum composite board - Google Patents
Manufacturing method for blank for producing steel-aluminum composite board Download PDFInfo
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- CN104801859A CN104801859A CN201410039053.4A CN201410039053A CN104801859A CN 104801859 A CN104801859 A CN 104801859A CN 201410039053 A CN201410039053 A CN 201410039053A CN 104801859 A CN104801859 A CN 104801859A
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- blank
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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
- B21B47/02—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal for folding sheets before rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/02—Profile, e.g. of plate, hot strip, sections
Abstract
The invention discloses a manufacturing method for blank for producing a steel-aluminum composite board. The manufacturing method for the blank for producing the steel-aluminum composite board includes steps that (1) surface pre-treatment; (2) assembly, to be specific, placing steel blank at the periphery of aluminum blank, wherein the steel blank in contact with the upper surface of the aluminum blank is the upper base stock of the steel blank, the steel blank in contact with the lower surface of the aluminum blank is the lower base stock of the steel blank, the steel blank arranged along the circumferential direction of the aluminum blank is steel blank sealing strip, the upper base stock of the steel blank, the lower base stock of the steel blank and the steel blank sealing strip form a relatively closed space, the aluminum blank is arranged in the relatively closed space, and a clearance remains between each of two ends of the aluminum blank in the length direction and the steel blank sealing strip; (3) spot welding to finalize the design; (4) welding, to be specific, welding and sealing the edges of all the combined surfaces of the finalized blank. The manufacturing method for the blank for producing the steel-aluminum composite board is high in production efficiency and strong in equipment adaptability; the steel-aluminum composite board can be manufactured through the blank.
Description
Technical field
The present invention relates to a kind of manufacture method of metal stock, particularly relate to a kind of manufacture method of the blank for the production of composite metal plate.
Background technology
Steel-aluminium composite board is metallic composite panel conventional during modern industry is produced, and it is lightweight than steel plate, and has much excellent performance, is therefore widely used in every profession and trade.Along with the development of process industry, the demand of existing market to Steel-aluminium composite board is increasing, therefore wishes the manufacturing process optimizing Steel-aluminium composite board, improves its production efficiency.
There is in prior art the production method of a lot of Steel-aluminium composite board, such as there are sandwich rolling process, blast rolling etc., but the problems such as the Slug preparing complex process of existing manufacture method ubiquity Steel-aluminium composite board, environmental protection is limited, the manufacturing cycle is long, shop floor worker labour intensity is high, thus cause that steel combined with aluminum material lumber recovery is low, batch production is restricted, cost is high, less economical, these problem remote-effects quality of terminal steel combined with aluminum sheet material, and then have impact on the popularization and application of steel combined with aluminum sheet material.
Publication number is CN101748853, publication date is on June 23rd, 2010, name is called that the Chinese patent literature of " a kind of aluminum steel/aluminum-steel-aluminum composition metal plate and preparation method thereof " discloses a kind of manufacture method of aluminum steel composition metal plate, after aluminium sheet and surface of steel plate process by it, the compound being completed aluminium sheet and steel plate by cementing thing is gluedd joint.
Publication number is CN102734625, publication date is on October 17th, 2012, name is called that the Chinese patent literature of " Steel-aluminium composite board and preparation method thereof " discloses a kind of preparation method of Steel-aluminium composite board, and it comprises step: steel band and aluminum alloy strip are carried out surface preparation; Carry out composite rolling by sending into composite rolling mill through the steel band of surface preparation and aluminum alloy strip, the pressure of composite rolling is 600-1000t, and single pass reduction ratio is 50-56%, and mill speed is not less than 20m/min; Carry out recrystallization annealing again.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method of the blank for the production of Steel-aluminium composite board, the method production efficiency is high, and the ability of adaptation firing equipment, milling equipment is strong, compensate for the deficiency of existing production technology.The blank of the Steel-aluminium composite board that metal material rolling, forging enterprise can use the method to obtain in batches, can based on published metal diffusion welding (DW) mechanism, determine rolling mill practice flexibly according to own heating, rolling, Equipment for Heating Processing, produce the steel-aluminum composite plate within the scope of business equipment capacity limit, steel-Complex plate of aluminum and steel and steel-aluminium forging, steel-aluminium-steel forgings further.
In order to realize foregoing invention object, the present invention proposes a kind of manufacture method of the blank for the production of Steel-aluminium composite board, it comprises step:
(1) blank surface process: steel billet material to be composite and aluminium blank are carried out surface preparation;
(2) assembly: placement steel billet material around aluminium blank, what wherein contact with aluminium blank upper surface is base-material on steel billet material, what contact with aluminium blank lower surface is base-material under steel billet material, along the setting of aluminium blank circumferential direction is steel billet material strip of paper used for sealing, on described steel billet material, under base-material, steel billet material, base-material and steel billet material strip of paper used for sealing form a relative airtight space, described aluminium blank is arranged in this relatively airtight space, between both ends on described aluminium charge length direction and steel billet material strip of paper used for sealing, there is gap, to give aluminium blank enough lateral extension spaces;
(3) spot welding sizing; Manual welding, gas shielded arc welding, argon arc welding can be adopted to complete spot welding sizing to combination, guarantee that the relative position between blank can not be moved before entering next process;
(4) weld: by all faying face edges welded seal of the assembly blank after sizing.
Further, in the step (1) of the manufacture method of the blank for the production of Steel-aluminium composite board of the present invention, through the flatness≤1mm/m of the faying face to be welded of all blanks of surface preparation
2, to guarantee that electron beam seal welding quality meets the demands.
Further, in the step (1) of the manufacture method of the blank for the production of Steel-aluminium composite board of the present invention, through roughness Ra≤12.5 μm of the faying face to be welded of all blanks of surface preparation, to guarantee the heating rolling welding quality that steel combined with aluminum base is follow-up.
Further, in the step (2) of the manufacture method of the blank for the production of Steel-aluminium composite board of the present invention, the width of steel billet material strip of paper used for sealing is 15-80mm, and this width range can ensure that weld strength reaches the Weld strength requirement needed for subsequent heat rolling.It should be noted that, because when assembly, the outer edge of steel billet material strip of paper used for sealing is concordant with base-material on steel billet material with the outer edge of base-material under steel billet material, therefore the width of steel billet material strip of paper used for sealing refers to the size extended towards the direction of aluminium blank from the outer edge of steel billet material strip of paper used for sealing (or on steel billet material under base-material/steel billet material the outer edge of base-material) herein.
Further, in the step (4) of the manufacture method of the blank for the production of Steel-aluminium composite board of the present invention, adopt vacuum electron beam welding.Vacuum electron beam welding can make the welding of steel aluminium can realize deeply melting seal welding (welding seam deep width ratio can be greater than 20:1), farthest can not only reduce the heat affected area of blank, and can weld strength be ensured, avoid composite surface in following process process oxidized because of weld seam gas leakage.
Further, in the step (4) of the manufacture method of the blank for the production of Steel-aluminium composite board of the present invention, welding vacuum≤1.0Pa.Welding vacuum degree control effectively can be prevented within the scope of this formation of steel aluminium surface oxide layer, reduce vacuum pumpdown time simultaneously, improve working (machining) efficiency, reduce processing cost.
Further, in the step (4) of the method for the production of steel combined with aluminum plate blank material of the present invention, the depth of weld is 10-80mm.This depth of weld can ensure that weld strength reaches the Weld strength requirement needed for subsequent heat rolling.
Further, in the step (4) of the method for the production of steel combined with aluminum plate blank material of the present invention, weld width >=2mm.This weld width must can ensure that weld strength reaches the Weld strength requirement needed for subsequent heat rolling.
Further, the method for the production of steel combined with aluminum plate blank material of the present invention also comprises the elimination of step (5) welding stress and welding inspection.Hammering can be used to vibrate and to eliminate welding stress.Estimating defective welding position also can arc welding repair welding be perfect by hand.
In the technical program, it is obtained that the steel billet material strip of paper used for sealing related to can adopt hot-rolled steel channel, U-shaped cold-rolled forming section to process.
It should be noted that, the blank of the Steel-aluminium composite board in the technical program comprises the blank of steel-aluminum composite plate and the blank of steel-Complex plate of aluminum and steel.
Method production efficiency for the production of steel combined with aluminum plate blank material of the present invention is high, and cost is low, and composite effect is good, applied widely, easy to process.Adopt the method can prepare thickness 50-1000mm, the steel-aluminium of width 400-2000mm, length 2000-3500mm, steel-aluminium-steel composite blank.Metal material rolling, forging processing enterprise also can according to self process equipment condition and client's needs, by steps such as follow-up rolling, forging, processing, finishing, can based on published metal diffusion welding (DW) mechanism, determine rolling mill practice flexibly according to own heating, rolling, Equipment for Heating Processing, produce the steel-aluminum composite plate within the scope of business equipment capacity limit, steel-Complex plate of aluminum and steel and steel-aluminium forging, steel-aluminium-steel forgings further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the blank of the composite plate of assembly step in the manufacture method of the blank for the production of Steel-aluminium composite board of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the manufacture method to the blank for the production of Steel-aluminium composite board of the present invention makes further explanation, but, below explain and illustrate and improper restriction is not formed to technical scheme of the present invention.
The blank of steel-Complex plate of aluminum and steel is manufactured according to the following step:
(1) surface preparation, steel billet material to be composite and aluminium blank are carried out surface preparation: milling machine processing or straightener smoothing are carried out to steel billet material to be composite and aluminium blank, again by blank faying face horizontal positioned, emery wheel is used to polish, remove surface irregularities, make any surface finish, smooth, then carry out polishing grinding, wiping cleaning is carried out to foreign material such as finished surface metal fillings, oil stain, laying dusts, exposes fresh of metal.
(2) according to mode assembly as shown in Figure 1: place base-material 2 on steel billet material at the upper surface of aluminium blank 1, base-material 3 under the steel billet material be in contact with it is placed at aluminium blank lower surface, steel billet material strip of paper used for sealing 4 is placed along aluminium blank circumferential direction, thus base-material 3 and steel billet material strip of paper used for sealing 4 form a relative airtight space under making base-material 2 on steel billet material, steel billet material, aluminium blank 1 is positioned at this relatively airtight space, and have gap between both ends on aluminium charge length direction and steel billet material strip of paper used for sealing 4, thus give aluminium blank enough lateral extension spaces;
(3) adopt electric welding spot welding sizing, guarantee that the relative position between blank can not be moved before handling enters next process;
(4) be transported in vacuum welding casing by the assembly blank after sizing, all faying face P adopt electron-bombardment welding to carry out degree of depth welded seal;
(5), after welding, use hammering vibration to eliminate welding stress, arc welding repair welding is perfect by hand to estimate defective welding position.
In order to improve the implementation result of this case further, in the above-mentioned methods, in step (1), control the flatness≤1mm/m of the faying face to be welded of all blanks through surface preparation
2, roughness Ra≤12.5 μm; In step (2), the width controlling steel billet material strip of paper used for sealing is 15-80mm; In step (4), control welding vacuum≤1.0Pa, depth of weld 10-80mm, weld width>=2mm.
The concrete technology parameter of each step in the embodiment 1-3 of the technical program is listed in table 1.
Table 1.
Steel-aluminium-the steel obtained through above-described embodiment 1-3 or the blank joint portion weld seam of steel-aluminum composite plate are molten solder, weld seam continuous sealing, blank is smooth is convenient to hoisting transportation, weld strength is almost identical with base-material steel plate bulk strength, shear strength has all exceeded 300MPa, exceed the regulation of national standard (GB/T8165-2008) about stainless steel clad plate shear strength 210MPa, meet the requirement of strength of blank subsequent heat and rolling completely.
That enumerates it should be noted that above is only specific embodiments of the invention, obviously the invention is not restricted to above embodiment, has many similar changes thereupon.If all distortion that those skilled in the art directly derives from content disclosed by the invention or associates, protection scope of the present invention all should be belonged to.
Claims (9)
1. for the production of a manufacture method for the blank of Steel-aluminium composite board, it is characterized in that, comprise step:
(1) surface preparation: steel billet material to be composite and aluminium blank are carried out surface preparation;
(2) assembly: placement steel billet material around aluminium blank, what wherein contact with aluminium blank upper surface is base-material on steel billet material, what contact with aluminium blank lower surface is base-material under steel billet material, along the setting of aluminium blank circumferential direction is steel billet material strip of paper used for sealing, on described steel billet material, under base-material, steel billet material, base-material and steel billet material strip of paper used for sealing form a relative airtight space, described aluminium blank is arranged in this relatively airtight space, has gap between the both ends on described aluminium charge length direction and steel billet material strip of paper used for sealing;
(3) spot welding sizing;
(4) weld: by all faying face edges welded seal of the assembly blank after sizing.
2., as claimed in claim 1 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, in described step (1), through the flatness≤1mm/m of the faying face to be welded of all blanks of surface preparation
2.
3., as claimed in claim 1 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, in described step (1), through roughness Ra≤12.5 μm of the faying face to be welded of all blanks of surface preparation.
4., as claimed in claim 1 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, in described step (2), the width of steel billet material strip of paper used for sealing is 15-80mm.
5. as claimed in claim 1 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, in described step (4), adopt vacuum electron beam welding.
6., as claimed in claim 5 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, in described step (4), welding vacuum≤1.0Pa.
7., as claimed in claim 1 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, in described step (4), the depth of weld is 10-80mm.
8., as claimed in claim 1 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, in described step (4), weld width >=2mm.
9. as claimed in claim 1 for the production of the manufacture method of the blank of Steel-aluminium composite board, it is characterized in that, also comprise step (5): welding stress is eliminated and seam inspection inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039053.4A CN104801859A (en) | 2014-01-27 | 2014-01-27 | Manufacturing method for blank for producing steel-aluminum composite board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410039053.4A CN104801859A (en) | 2014-01-27 | 2014-01-27 | Manufacturing method for blank for producing steel-aluminum composite board |
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| CN104801859A true CN104801859A (en) | 2015-07-29 |
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| CN201410039053.4A Pending CN104801859A (en) | 2014-01-27 | 2014-01-27 | Manufacturing method for blank for producing steel-aluminum composite board |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02187285A (en) * | 1989-01-12 | 1990-07-23 | Tokyo Tungsten Co Ltd | Laminate metallic material and production thereof |
| CN101402155A (en) * | 2008-10-22 | 2009-04-08 | 长沙众兴铝业有限公司 | Process and method for producing composite aluminium and steel band with high temperature bonding strength |
| CN102734625A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Steel-aluminum composite board and preparation method thereof |
| CN102921758A (en) * | 2012-10-19 | 2013-02-13 | 洛阳富兴管业有限公司 | Large-section fully-clad copper-aluminum composite metal plate and manufacturing process thereof |
| CN102990317A (en) * | 2012-12-11 | 2013-03-27 | 云南昆钢新型复合材料开发有限公司 | Method for vacuum assembling and non-vacuum rolling laminated metal composite material roll |
-
2014
- 2014-01-27 CN CN201410039053.4A patent/CN104801859A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02187285A (en) * | 1989-01-12 | 1990-07-23 | Tokyo Tungsten Co Ltd | Laminate metallic material and production thereof |
| CN101402155A (en) * | 2008-10-22 | 2009-04-08 | 长沙众兴铝业有限公司 | Process and method for producing composite aluminium and steel band with high temperature bonding strength |
| CN102734625A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Steel-aluminum composite board and preparation method thereof |
| CN102921758A (en) * | 2012-10-19 | 2013-02-13 | 洛阳富兴管业有限公司 | Large-section fully-clad copper-aluminum composite metal plate and manufacturing process thereof |
| CN102990317A (en) * | 2012-12-11 | 2013-03-27 | 云南昆钢新型复合材料开发有限公司 | Method for vacuum assembling and non-vacuum rolling laminated metal composite material roll |
Non-Patent Citations (1)
| Title |
|---|
| 李亚江等: "《异种难焊材料的焊接及应用》", 31 January 2004 * |
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