CN104801925A - Manufacturing method for blank for producing carbon steel-high carbon steel composite board - Google Patents
Manufacturing method for blank for producing carbon steel-high carbon steel composite board Download PDFInfo
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- CN104801925A CN104801925A CN201410039975.5A CN201410039975A CN104801925A CN 104801925 A CN104801925 A CN 104801925A CN 201410039975 A CN201410039975 A CN 201410039975A CN 104801925 A CN104801925 A CN 104801925A
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- carbon steel
- blank
- steel blank
- composite plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/16—Composite materials, e.g. fibre reinforced
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a manufacturing method for blank for producing a carbon steel-high carbon steel composite board. The manufacturing method for the blank for producing the carbon steel-high carbon steel composite board includes steps that (1) surface pre-treatment; (2) assembly, to be specific, placing carbon steel blank at the periphery of high carbon steel blank, wherein the carbon steel blank in contact with the upper surface of the high carbon steel blank is the upper base stock of the carbon steel blank, the carbon steel blank in contact with the lower surface of the high carbon steel blank is the lower base stock of the carbon steel blank, the carbon steel blank arranged along the circumferential direction of the high carbon steel blank is carbon steel blank sealing strip, the upper base stock of the carbon steel blank, the lower base stock of the carbon steel blank and the carbon steel blank sealing strip form a relatively closed space, the high carbon steel blank is arranged in the relatively closed space, and a clearance remains between each of two ends of the high carbon steel blank in the length direction and the carbon 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 carbon steel-high carbon steel composite board is high in production efficiency and strong in equipment adaptability; the carbon steel-high carbon steel 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
Carbon steel-high-carbon steel composite plate is a kind of is substrate with high-carbon steel, and single or double take carbon steel as the composite board of cladding.Along with the development of process industry, the value of carbon steel-high-carbon steel composite plate progressively embodies, and therefore desirable to provide the manufacturing process of a kind of carbon steel-high-carbon steel composite plate blank, realizes hot rolling diffusion way and produces carbon steel-high-carbon steel composite plate.
Production method mainly Explosion composite method and the roll-bonding method of existing composite metal plate.Wherein, Explosion composite method is: first keep certain intervals to place by between two metallic plates for crimping, put appropriate explosive more in the above, detonated by one end of explosive, detonation velocity thousands of rice per second, the metallic plate of unlike material can be made to collide by means of this outburst, the fluid behavior demonstrated under the point of impingement two kinds of sheet metals are because of very large deformation velocity and super-pressure, oxide-film, the adsorbent of two metal surfaces can be excluded as metal jet, joint between clean face and face just completes instantaneously, and this is a kind of cold-weldable mode.And rolling by crimping is become two kinds of metallic plate assemblings, heating rollings.But no matter be Explosion composite method or rolling by crimping, it all faces complex process, and the manufacturing cycle is long, the problem that labor intensity of operating staff is large.
In addition, for carbon steel-high-carbon steel composite plate, because the carbon equivalent of high-carbon steel is high, the composite effect of existing manufacture method is therefore adopted and bad.At present, carbon equivalent high carbon steel-high-carbon steel (also unrealized Rolling compund.Therefore, desirable to provide the manufacture method of a kind of carbon steel-high-carbon steel composite plate, thus produce qualified carbon steel-high-carbon steel composite plate with higher production efficiency and succinct production technology.
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 carbon steel-high-carbon steel composite plate, the method production efficiency is high, composite effect is good, the ability of its adaptation firing equipment, milling equipment is strong, and the blank of the carbon steel obtained by the method-high-carbon steel composite plate can manufacture carbon steel-high-carbon steel composite plate further.
In order to realize foregoing invention object, the present invention proposes a kind of manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate, it comprises step:
(1) surface preparation: carbon steel blank to be composite and high-carbon steel blank are carried out surface preparation;
(2) assembly: placement carbon steel blank around high-carbon steel blank, what wherein contact with high-carbon steel blank upper surface is base-material on carbon steel blank, what contact with high-carbon steel blank lower surface is base-material under carbon steel blank, along the setting of high-carbon steel blank circumferential direction is carbon steel blank strip of paper used for sealing, base-material on described carbon steel blank, under carbon steel blank, base-material and carbon steel blank strip of paper used for sealing form a relative airtight space, described high-carbon steel blank is arranged in this relatively airtight space, between both ends on described high-carbon steel blank length direction and carbon steel blank strip of paper used for sealing, there is gap, to give high-carbon steel 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.
High-carbon steel in the technical program refers to the carbon steel of carbon equivalent > 0.7%.
Further, in the step (1) of the manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate 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 seal welding quality meets the demands.
Further, in the step (1) of the manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate 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 composite billet is follow-up.
Further, in the step (2) of the manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate of the present invention, the width of carbon steel blank 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 carbon steel blank strip of paper used for sealing is concordant with base-material on carbon steel blank with the outer edge of base-material under carbon steel blank, therefore the width of carbon steel blank strip of paper used for sealing refers to the size extended towards the direction of high-carbon steel blank from the outer edge of carbon steel blank strip of paper used for sealing (or on carbon steel blank under base-material/carbon steel blank the outer edge of base-material) herein.
Further, in the step (4) of the manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate of the present invention, adopt vacuum electron beam welding.Vacuum electron beam welding can make steel-high-carbon steel steel welding realize dark molten 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 carbon steel-high-carbon steel composite plate of the present invention, welding vacuum≤0.01Pa.Welding vacuum degree control effectively can be prevented within the scope of this formation of carbon steel-high-carbon steel surface oxide layer, reduce vacuum pumpdown time simultaneously, improve working (machining) efficiency, reduce processing cost.
Further, in the step (4) of the manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate of the present invention, depth of weld 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 manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate of the present invention, weld width >=2mm.This weld width can ensure that weld strength reaches the Weld strength requirement needed for subsequent heat rolling.
Further, the manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate of the present invention also comprises step (5): welding stress is eliminated and seam inspection 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 carbon steel blank strip of paper used for sealing related to can adopt hot-rolled steel channel, U-shaped cold-rolled forming section to process.
The manufacture method production efficiency of the blank for the production of carbon steel-high-carbon steel composite plate 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 carbon steel-high-carbon steel of width 400-2000mm, length 2000-3500mm, the blank of carbon steel-high-carbon steel-carbon steel composite board.Each composite plate processing enterprise also can according to self process equipment condition and client's needs, by steps such as follow-up rolling, forging, processing, finishing, produce carbon steel-high-carbon steel forging, carbon steel-high-carbon steel-carbon steel forging that carbon steel-high-carbon steel composite plate, carbon steel-high-carbon steel-carbon steel composite board and thickness are greater than 300mm.
Accompanying drawing explanation
Fig. 1 is the structural representation of the composite plate blank of assembly step in the manufacture method of the blank for the production of carbon steel-high-carbon steel composite plate 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 carbon steel-high-carbon steel composite plate 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 carbon steel-high-carbon steel-carbon steel composite board is manufactured according to the following step:
(1) surface preparation: carbon steel blank to be composite and high-carbon steel blank are carried out milling machine processing or straightener smoothing, again by blank faying face horizontal positioned, emery wheel is used to polish, remove surface irregularities, make any surface finish, smooth, carry out polishing grinding again, 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 carbon steel blank at the upper surface of high-carbon steel blank 1, base-material 3 under the carbon steel blank be in contact with it is placed at high-carbon steel blank lower surface, carbon steel blank strip of paper used for sealing 4 is placed along high-carbon steel blank circumferential direction, thus make base-material 2 on carbon steel blank, under carbon steel blank, base-material 3 and carbon steel blank strip of paper used for sealing 4 form a relative airtight space, high-carbon steel blank 1 is positioned at this relatively airtight space, and between both ends on high-carbon steel blank length direction and carbon steel blank strip of paper used for sealing 4, there is gap, thus give high-carbon steel 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 step (1) of said method, 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≤0.01Pa, 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-high-carbon steel-the steel obtained through above-described embodiment 1-3 or the blank joint portion weld seam of steel-high-carbon steel 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 carbon steel-high-carbon steel composite plate, it is characterized in that, comprise step:
(1) surface preparation: carbon steel blank to be composite and high-carbon steel blank are carried out surface preparation;
(2) assembly: placement carbon steel blank around high-carbon steel blank, what wherein contact with high-carbon steel blank upper surface is base-material on carbon steel blank, what contact with high-carbon steel blank lower surface is base-material under carbon steel blank, along the setting of high-carbon steel blank circumferential direction is carbon steel blank strip of paper used for sealing, on described carbon steel blank, under base-material, carbon steel blank, base-material and carbon steel blank strip of paper used for sealing form a relative airtight space, described high-carbon steel blank is arranged in this relatively airtight space, has gap between the both ends on described high-carbon steel blank length direction and carbon steel blank 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 carbon steel-high-carbon steel composite plate, it is characterized in that, in described step (1), through the flatness≤1mm/m2 of the faying face to be welded of all blanks of surface preparation.
3., as claimed in claim 1 for the production of the manufacture method of the blank of carbon steel-high-carbon steel composite plate, 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 carbon steel-high-carbon steel composite plate, 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 carbon steel-high-carbon steel composite plate, 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 carbon steel-high-carbon steel composite plate, it is characterized in that, in described step (4), welding vacuum≤0.01Pa.
7., as claimed in claim 1 for the production of the manufacture method of the blank of carbon steel-high-carbon steel composite plate, 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 carbon steel-high-carbon steel composite plate, 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 carbon steel-high-carbon steel composite plate, 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 |
|---|---|---|---|
| CN201410039975.5A CN104801925A (en) | 2014-01-27 | 2014-01-27 | Manufacturing method for blank for producing carbon steel-high carbon steel composite board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410039975.5A CN104801925A (en) | 2014-01-27 | 2014-01-27 | Manufacturing method for blank for producing carbon steel-high carbon steel composite board |
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| CN104801925A true CN104801925A (en) | 2015-07-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458633A (en) * | 2016-01-06 | 2016-04-06 | 河北华通线缆集团股份有限公司 | Manufacturing method of low-carbon steel coiled tubing |
| CN107175462A (en) * | 2017-05-03 | 2017-09-19 | 河钢股份有限公司邯郸分公司 | A kind of composite plate blanks preparation method for rolling composite plate |
| CN110667157A (en) * | 2019-10-12 | 2020-01-10 | 山东瑞尔达科技集团股份有限公司 | Tire reinforcing steel wire cord fabric cutter and manufacturing method thereof |
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| JPH02187285A (en) * | 1989-01-12 | 1990-07-23 | Tokyo Tungsten Co Ltd | Laminate metallic material and production thereof |
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| CN107175462A (en) * | 2017-05-03 | 2017-09-19 | 河钢股份有限公司邯郸分公司 | A kind of composite plate blanks preparation method for rolling composite plate |
| CN110667157A (en) * | 2019-10-12 | 2020-01-10 | 山东瑞尔达科技集团股份有限公司 | Tire reinforcing steel wire cord fabric cutter and manufacturing method thereof |
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Application publication date: 20150729 |