CN105032975B - A kind of production method of the compound roll bending of laminated metallic - Google Patents

A kind of production method of the compound roll bending of laminated metallic Download PDF

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CN105032975B
CN105032975B CN201510588601.3A CN201510588601A CN105032975B CN 105032975 B CN105032975 B CN 105032975B CN 201510588601 A CN201510588601 A CN 201510588601A CN 105032975 B CN105032975 B CN 105032975B
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melting
pipe
point
composite plate
rolling
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CN105032975A (en
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杜顺林
张竹明
邓增勇
张跃
尹正培
张凤珍
史停停
张晓锋
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YUNNAN KUNGANG NEW COMPOSITE MATERIALS DEVELOPMENT Co Ltd
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YUNNAN KUNGANG NEW COMPOSITE MATERIALS DEVELOPMENT Co Ltd
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Abstract

The present invention discloses a kind of production method of the compound roll bending of laminated metallic, by preparing the pipeline section of ferrule, making the steps such as composite plate blanks, evacuation, rolling, during the fusion temperature for making composite billet be heated to low-melting-point metal or alloy in the stove, low-melting-point metal or alloy melting are flowed out along downward-sloping pipeline section, pipeline section is no longer blocked so as to realize composite billet opening, and in roller compaction process is rolled, in base, residual gas can be discharged from the pipeline section of opening.The exhaustor simple installation of composite billet of the present invention, low cost can be flowed out along inclined exhaustor after plugging material fusing, will not be flow backwards in composite billet, be polluted composite billet, can obtain the compound roll bending of high-quality laminated metallic.

Description

A kind of production method of the compound roll bending of laminated metallic
Technical field
The present invention relates to a kind of production method of the compound roll bending of laminated metallic, belongs to layered metal composite technology neck Domain.
Background technology
Method hot rolling is the common method for manufacturing layered metal composite, is to allow the metal phase mutual connection of two kinds of clean surfaces Touch, the complex method of continuous metallurgical binding is reached by high diffusion effect between atom when heating and plastic deformation.Hot rolling is multiple The base step for closing base is generally comprised:Basic unit, the polishing of cladding substrate faying face, substrate, the overlapping of compound plate, subsequent surrounding weldering Conjunction, port openings and installation exhaustor, sealed after being vacuumized.However, in the industrial production, have a small amount of in high rolling composite blank unavoidably Gas residue, when these gases are heated in the closed slab can expanded by heating, cause composite billet bubbling, slab deformation, seriously When cause weld cracking, slab to be scrapped, or cause the damage of rolling equipment.For method hot rolling, heating and rolling The residual gas in slab can be effectively discharged in journey, is to ensure that composite billet rolling is successfully crucial.
Prior art《The method of vacuum assembly-antivacuum rolling layered metal composite roll bending》 (ZL201210531128.1), by the spaced openings on the tail end of composite billet, the hollow pipeline section of aluminum is inserted in each hole, aluminum is made The inner of the hollow pipeline section of matter is placed in the rolling wider space of the ducted body of composite billet, and outer end passes through hole and passes through pipeline and vacuum Pump is connected, and is sealed between Kong Yuguan.Composite billet in the heating furnace during conventional heating, as base temperature rises above aluminum During hollow pipe fusing point, the hollow pipeline section fusing of aluminum opens wide perforate, with head end in front, the posterior position of tail end, sends into conventional rolling When being rolled on machine, remaining air inside composite plate blanks understands the unlimited aerofluxuss from its tail end in rolling roller compaction process Discharge at hole, that is, obtain layered metal composite coiled sheet.
However, above-mentioned technical scheme there is also following two problem:One is, between the hole of aluminum hollow pipe and base termination When being sealed, to make its bonding firmly, it is not ejected under vacuumized conditions, the method that welding will be adopted, but because of aluminum sky Heart pipe is non-ferrous metal, and hole is ferrous metal, there is welding difficulty between dissimilar metal, will use special welding rod, Cost is very high.Two are, in the rolling wider space of the ducted body that the inner of the hollow pipeline section of aluminum of setting is placed in composite billet, multiple Close in base heating process, when rising above aluminum hollow pipe fusing point with base temperature, the hollow pipeline section fusing of aluminum, in wider space Pollution composite billet in composite billet can be fused into after interior aluminum hollow tubular portion fractional melting, adverse effect is brought to the quality of composite billet.
The content of the invention
In order to solve the problems of exhaustor setting of high rolling composite blank in prior art, the present invention provides a kind of layer The production method of pressure metal composite roll bending.
The present invention is realized by following technical proposal:A kind of production method of the compound roll bending of laminated metallic, it is characterised in that Through following each step:
(1)Prepare the bend pipe of ferrule:The mouth of pipe of high-melting-point material hollow pipe is polished, and to inside pipe wall with machinery side Formula is cleared up to cleaning, then high-melting-point material hollow pipe is fixed in the horizontal plane;Low-melting-point metal or the conjunction of liquid will be melted into Gold, slowly imports from one end of high-melting-point material hollow pipe, makes low-melting-point metal or alloy fluid freeze shape in the end Into closure plug, the envelope stemming length is controlled for 5~30mm, after being cooled to room temperature, high-melting-point material hollow pipe is bent to into 10~ 90 °, obtain the bend pipe of mouth of pipe closure;
(2)Composite plate blanks:At plied timber material and parent metal material are carried out surface with conventional mechanical methods respectively Manage clean to combination interface, two blocks of plied timber materials be stacked, and add in the middle of two blocks of stacked plied timber materials every From material, it is put between upper and lower parent metal material afterwards, welding formation four is carried out to the surrounding of upper and lower parent metal material Individual side wall, and make the surrounding of plied timber material therein reserve rolling extension space, composite billet is obtained, and in composite billet Opened hole on head end and tail end-side wall, inserts high-melting-point material hollow straight pipe in the through hole of first end-side wall, make high-melting-point material empty The inner of heart straight tube is communicated with rolling extension space, and outer end is connected with vacuum pump;Inserting step in the through hole of tail end-side wall(1) The straight tube end of gained bend pipe, and communicate with rolling extension space, and the bend pipe of mouth of pipe closure is outside, and elbow is down, the bend pipe The angle of sweep and composite billet tail end-side wall be 90~170 °;
(3)Evacuation:By step(2)High-melting-point material hollow straight pipe be evacuated to -1 to composite plate blanks inside × 10-2~-1 × 10-3The external port of high-melting-point material hollow straight pipe after Pa, and pressurize 2~3 hours, is blocked, vacuum composite plate is obtained Base;
(4)Rolling:By step(3)Gained vacuum composite plate base is sent in hot-rolling heating furnace, carries out conventional heating, when compound During the fusion temperature that base is heated to low-melting-point metal or alloy in the stove, low-melting-point metal or alloy melting along decurved Elbow port flows out, and the port of bend pipe is no longer blocked, and afterwards with head end in front, the posterior position of tail end, sends into conventional rolling mill On rolled, as the elbow port of composite billet tail end is opened, so as to rolling roller compaction process in enable residual gas in base Enough elbow ports from opening are discharged, and finally give the compound roll bending of laminated metallic.
The step(1)With(2)High-melting-point material hollow pipe refer to the material of the hollow pipe and composite billet parent metal Material has good welds, and its fusing point rolls maximum heating temperature when heating higher than composite plate blanks, it is ensured that high-melting-point material Hollow pipe is not melted during composite plate blanks heating rolling, and the high-melting-point material is irony, SUS201 materials or SUS304.
The step(1)With(2)The length of high-melting-point material hollow pipe be 150~300mm, bore is 10~25mm.
The step(1)Low-melting-point metal or alloy be zinc, stannum, aluminum, terne metal(Lead 38.14%, stannum 61.86%)、 Red brass(Stannum 91%, zinc 9%)Or bismuth alloy(Bismuth 58%, stannum 42%).
The step(2)Parent metal material be carbon steel or steel alloy.
The step(2)Plied timber material be rustless steel or titanium steel.
The step(2)Isolated material be magnesium oxide, aluminium oxide, graphite, molybdenum bisuphide or boron nitride.
The step(2)Isolated material thickness be 0.2~0.4mm.
The step(2)Perforate be to open up at least one according to the width of composite plate blanks on head end and tail end-side wall Hole.
The step(2)Bend pipe pipe port higher than the base of composite plate blanks, stop during avoiding heating and melted The outflow of low-melting-point metal or alloy.
The beneficial effect that the present invention possesses:As hollow pipe used is that have good weldering by with composite billet parent metal material Connect manufactured by the materials with high melting point of performance, it is ensured which has good welding performance between composite billet port holes;While by The maximum heating temperature when fusing point of hollow pipe material rolls heating higher than composite billet, therefore ensure that hollow pipe is rolled in composite billet It is not melted in heating process processed, so as to not result in its pollution to composite plate blanks;Again as a result of the metal of low melting point Or alloy is used as closure plug, therefore when the fusion temperature that composite billet is heated to low-melting-point metal or alloy in stove, low melting point Metal or alloy melts and flows out along reclinate elbow port, has not both resulted in its pollution to composite plate blanks, while Composite billet opening can be made again, in rolling roller compaction process, to enable residual gas in base smoothly to discharge from the bend pipe end of opening. The exhaustor simple installation of composite billet of the present invention, low cost can obtain the compound roll bending of high-quality laminated metallic.
Description of the drawings
Fig. 1 is step of the present invention(2)The structural representation of gained composite plate blanks;
Fig. 2 is step of the present invention(2)The profile of gained composite plate blanks;
In figure, 1- parent metal materials, 2- plied timber materials, 3- isolated materials, 4- rolling extensions space, 5- tail ends, 6- high-melting-point material hollow pipes, 7- bend pipes, 8- low-melting-point metals or alloy, 9- head ends.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment 1
Make parent metal material, rustless steel 06Cr19Ni10 from carbon steel Q235B(SUS304)Make plied timber material:
(1)Prepare the bend pipe of mouth of pipe closure:The mouth of pipe of irony hollow pipe is polished, and inside pipe wall is mechanically cleared up To cleaning, then irony hollow pipe is fixed in the horizontal plane;Then which is made to be melted into after liquid aluminium block heating, it is hollow from irony One end of pipe slowly imports, and aluminum fluid is gradually solidified to the cold in irony hollow tube end, can form closely closure in the mouth of pipe Plug, the envelope stemming length for control aluminum at the mouth of pipe is 5mm, is inflated leak detection after irony hollow pipe is cooled to room temperature, it is qualified after Irony hollow pipe is in 90 ° with pipe middle bent, obtain the bend pipe of mouth of pipe closure;
(2)Composite plate blanks:At plied timber material and parent metal material are carried out surface with conventional mechanical methods respectively Manage clean to combination interface, two blocks of plied timber materials be stacked, and add in the middle of two blocks of stacked plied timber materials every From material, it is put between upper and lower parent metal material afterwards, welding formation four is carried out to the surrounding of upper and lower parent metal material Individual side wall, and make the surrounding of plied timber material therein reserve rolling extension space, composite billet is obtained, and in composite billet Opened hole on head end and tail end-side wall, inserts high-melting-point material hollow straight pipe in the through hole of first end-side wall, make high-melting-point material empty The inner of heart straight tube is communicated with rolling extension space, and outer end is connected with vacuum pump;Inserting step in the through hole of tail end-side wall(1) The straight tube end of gained bend pipe, and communicate with rolling extension space, and the bend pipe of mouth of pipe closure is outside, and elbow is down, the bend pipe The angle of sweep and composite billet tail end-side wall be 90 °, and welded seal is carried out between Kong Yuguan;
(3)Evacuation:By step(2)Irony hollow straight pipe -1 × 10 are evacuated to composite plate blanks inside-2~-1 ×10-3The port of irony hollow straight pipe after Pa, and pressurize 2 hours, is blocked, vacuum composite plate base is obtained;
(4)Rolling:By step(3)Gained vacuum composite plate base is sent in hot-rolling heating furnace, carries out conventional heating, when compound During the fusion temperature that base is heated to low-melting-point metal or alloy in the stove, low-melting-point metal or alloy melting along decurved Elbow port flows out, and the port of bend pipe is no longer blocked, and afterwards with head end in front, the posterior position of tail end, sends into conventional rolling mill On rolled, as the elbow port of composite billet tail end is opened, so as to rolling roller compaction process in enable residual gas in base Enough elbow ports from opening are discharged, and finally give the compound roll bending of laminated metallic.
Embodiment 2
Make parent metal material, rustless steel 06Cr19Ni10 from carbon steel Q195(SUS304)Make plied timber material:
(1)Prepare the bend pipe of mouth of pipe closure:By length be 300mm, bore be 15mm SUS201 material hollow pipes pipe Mouth is polished, and inside pipe wall is mechanically cleared up to cleaning, then SUS201 materials hollow pipe is fixed in the horizontal plane;Then Which is melted into after liquid stannum heating, slowly import from one end of SUS201 material hollow pipes, stannum fluid is in SUS201 materials Hollow tube end gradually solidifies to the cold, can form closely closure plug in the mouth of pipe, and the envelope stemming length for controlling stannum at the mouth of pipe is 15mm, is inflated leak detection after SUS201 material hollow pipes are cooled to room temperature, it is qualified after by SUS201 materials hollow pipe managing Middle bent obtains the bend pipe of mouth of pipe closure into 60 °;
(2)Composite plate blanks:At plied timber material and parent metal material are carried out surface with conventional mechanical methods respectively Manage clean to combination interface, two blocks of plied timber materials be stacked, and add in the middle of two blocks of stacked plied timber materials every From material, it is put between upper and lower parent metal material afterwards, welding formation four is carried out to the surrounding of upper and lower parent metal material Individual side wall, and make the surrounding of plied timber material therein reserve rolling extension space, composite billet is obtained, and in composite billet Opened hole on head end and tail end-side wall, inserts high-melting-point material hollow straight pipe in the through hole of first end-side wall, make high-melting-point material empty The inner of heart straight tube is communicated with rolling extension space, and outer end is connected with vacuum pump;Inserting step in the through hole of tail end-side wall(1) The straight tube end of gained bend pipe, and communicate with rolling extension space, and the bend pipe of mouth of pipe closure is outside, and elbow is down, the bend pipe The angle of sweep and composite billet tail end-side wall be 120 °, and welded seal is carried out between Kong Yuguan;
(3)Evacuation:By step(2)SUS201 materials hollow straight pipe be evacuated to -1 to composite plate blanks inside × 10-2~-1 × 10-3The port of SUS201 material hollow straight pipes after Pa, and pressurize 2.5 hours, is blocked, vacuum composite plate base is obtained;
(4)Rolling:By step(3)Gained vacuum composite plate base is sent in hot-rolling heating furnace, carries out conventional heating, when compound During the fusion temperature that base is heated to low-melting-point metal or alloy in the stove, low-melting-point metal or alloy melting along decurved Elbow port flows out, and the port of bend pipe is no longer blocked, and afterwards with head end in front, the posterior position of tail end, sends into conventional rolling mill On rolled, as the elbow port of composite billet tail end is opened, so as to rolling roller compaction process in enable residual gas in base Enough elbow ports from opening are discharged, and finally give the compound roll bending of laminated metallic.
Embodiment 3
Make parent metal material from carbon steel Q235B, industrial titanium plate TA2 makees plied timber material:
(1)Prepare the bend pipe of mouth of pipe closure:By length be 150mm, bore be that the mouth of pipe of irony hollow pipe of 10mm is polished, And inside pipe wall is mechanically cleared up to cleaning, then irony hollow pipe is fixed in the horizontal plane;Then spelter heating is made After which is melted into liquid, slowly import from one end of irony hollow pipe, zinc fluid is gradually solidified to the cold in irony hollow tube end, Closely closure plug can be formed in the mouth of pipe, the envelope stemming length for controlling zinc at the mouth of pipe is 30mm, treats that irony hollow pipe is cooled to Be inflated leak detection after room temperature, it is qualified after by irony hollow pipe with pipe middle bent into 10 °, obtain the bend pipe of mouth of pipe closure;
(2)Composite plate blanks:At plied timber material and parent metal material are carried out surface with conventional mechanical methods respectively Manage clean to combination interface, two blocks of plied timber materials be stacked, and add in the middle of two blocks of stacked plied timber materials every From material, it is put between upper and lower parent metal material afterwards, welding formation four is carried out to the surrounding of upper and lower parent metal material Individual side wall, and make the surrounding of plied timber material therein reserve rolling extension space, composite billet is obtained, and in composite billet Opened hole on head end and tail end-side wall, inserts high-melting-point material hollow straight pipe in the through hole of first end-side wall, make high-melting-point material empty The inner of heart straight tube is communicated with rolling extension space, and outer end is connected with vacuum pump;Inserting step in the through hole of tail end-side wall(1) The straight tube end of gained bend pipe, and communicate with rolling extension space, and the bend pipe of mouth of pipe closure is outside, and elbow is down, the bend pipe The angle of sweep and composite billet tail end-side wall be 170 °, and welded seal is carried out between Kong Yuguan;
(3)Evacuation:By step(2)Irony hollow straight pipe -1 × 10 are evacuated to composite plate blanks inside-2~-1 ×10-3The port of irony hollow straight pipe after Pa, and pressurize 3 hours, is blocked, vacuum composite plate base is obtained;
(4)Rolling:By step(3)Gained vacuum composite plate base is sent in hot-rolling heating furnace, carries out conventional heating, when compound During the fusion temperature that base is heated to low-melting-point metal or alloy in the stove, low-melting-point metal or alloy melting along decurved Elbow port flows out, and the port of bend pipe is no longer blocked, and afterwards with head end in front, the posterior position of tail end, sends into conventional rolling mill On rolled, as the elbow port of composite billet tail end is opened, so as to rolling roller compaction process in enable residual gas in base Enough elbow ports from opening are discharged, and finally give the compound roll bending of laminated metallic.
Embodiment 4
Make parent metal material from steel alloy Q345B, industrial titanium plate TA2 makees plied timber material:
(1)Prepare the bend pipe of mouth of pipe closure:By length be 200mm, bore be 25mm SUS304 material hollow pipes pipe Mouth is polished, and inside pipe wall is mechanically cleared up to cleaning, then SUS304 materials hollow pipe is fixed in the horizontal plane;Then Which is melted into after liquid terne metal heating, slowly import from one end of SUS304 material hollow pipes, terne metal fluid Gradually solidified in SUS304 materials hollow tube end to the cold, closely closure plug, slicker solder at the control mouth of pipe can be formed in the mouth of pipe The envelope stemming length of alloy is 10mm, is inflated leak detection after SUS304 material hollow pipes are cooled to room temperature, it is qualified after general SUS304 materials hollow pipe obtains the bend pipe of mouth of pipe closure with pipe middle bent into 30 °;
(2)Composite plate blanks:At plied timber material and parent metal material are carried out surface with conventional mechanical methods respectively Manage clean to combination interface, two blocks of plied timber materials be stacked, and add in the middle of two blocks of stacked plied timber materials every From material, it is put between upper and lower parent metal material afterwards, welding formation four is carried out to the surrounding of upper and lower parent metal material Individual side wall, and make the surrounding of plied timber material therein reserve rolling extension space, composite billet is obtained, and in composite billet Opened hole on head end and tail end-side wall, inserts high-melting-point material hollow straight pipe in the through hole of first end-side wall, make high-melting-point material empty The inner of heart straight tube is communicated with rolling extension space, and outer end is connected with vacuum pump;Inserting step in the through hole of tail end-side wall(1) The straight tube end of gained bend pipe, and communicate with rolling extension space, and the bend pipe of mouth of pipe closure is outside, and elbow is down, the bend pipe The angle of sweep and composite billet tail end-side wall be 150 °, and welded seal is carried out between Kong Yuguan;
(3)Evacuation:By step(2)SUS304 materials hollow straight pipe be evacuated to -1 to composite plate blanks inside × 10-2~-1 × 10-3The port of SUS304 material hollow straight pipes after Pa, and pressurize 2 hours, is blocked, vacuum composite plate base is obtained;
(4)Rolling:By step(3)Gained vacuum composite plate base is sent in hot-rolling heating furnace, carries out conventional heating, when compound During the fusion temperature that base is heated to low-melting-point metal or alloy in the stove, low-melting-point metal or alloy melting along decurved Elbow port flows out, and the port of bend pipe is no longer blocked, and afterwards with head end in front, the posterior position of tail end, sends into conventional rolling mill On rolled, as the elbow port of composite billet tail end is opened, so as to rolling roller compaction process in enable residual gas in base Enough elbow ports from opening are discharged, and finally give the compound roll bending of laminated metallic.
Embodiment 5
With embodiment 1, low-melting-point metal or alloy aluminum are replaced with into red brass only, isolated material magnesium oxide replaces with nitrogen Change boron.
Embodiment 6
With embodiment 1, low-melting-point metal or alloy tin are replaced with into bismuth alloy only.

Claims (10)

1. a kind of laminated metallic is combined the production method of roll bending, it is characterised in that through following each step:
(1)Prepare the bend pipe of ferrule:The inside pipe wall of high-melting-point material hollow pipe is mechanically cleared up to cleaning;Will be molten The low-melting-point metal of chemical conversion liquid, slowly imports from one end of high-melting-point material hollow pipe, makes low-melting-point metal liquid at the end Portion freezes to form closure plug, and it is 5~30mm to control the envelope stemming length, after being cooled to room temperature, will be high-melting-point material hollow Pipe bends to 10~90 °, and it is the bend pipe for blocking end for straight tube end, outer end to obtain inner;
(2)Composite plate blanks:By plied timber material and parent metal material be surface-treated with conventional mechanical methods respectively to Combination interface is clean, and two blocks of plied timber materials are stacked, and adds isolation material in the middle of two blocks of stacked plied timber materials Material, is put between upper and lower parent metal material afterwards, carries out four sides of welding formation to the surrounding of upper and lower parent metal material Wall, and make the surrounding of plied timber material therein reserve rolling extension space, composite plate blanks are obtained, and in composite plate blanks Opened hole on head end and tail end-side wall, inserts high-melting-point material hollow straight pipe in the through hole of first end-side wall, make high-melting-point material empty The inner of heart straight tube is communicated with rolling extension space, and outer end is connected with vacuum pump;Inserting step in the through hole of tail end-side wall(1) The straight tube end of gained bend pipe, and communicate with rolling extension space, and the closure end of bend pipe is outside, and elbow is down, the bend pipe Sweep is 90~170 ° with the angle of composite plate blanks tail end-side wall;
(3)Evacuation:By step(2)High-melting-point material hollow straight pipe -1 × 10 are evacuated to composite plate blanks inside-2~- 1×10-3The external port of high-melting-point material hollow straight pipe after Pa, and pressurize 2~3 hours, is blocked, vacuum composite plate base is obtained;
(4)Rolling:By step(3)Gained vacuum composite plate base is sent in hot-rolling heating furnace, after carrying out conventional heating, is existed with head end Before, the posterior position of tail end is sent into, that is, obtain the compound roll bending of laminated metallic.
2. production method according to claim 1, it is characterised in that:The step(1)High-melting-point material hollow pipe be The material and composite plate blanks base material for referring to the hollow pipe has good welds, and its fusing point higher than during composite plate blanks rolling heating Maximum heating temperature, it is ensured that high-melting-point material hollow pipe is not melted during composite plate blanks heating rolling, high-melting-point material Matter is irony, SUS201 materials or SUS304.
3. production method according to claim 1, it is characterised in that:The step(1)High-melting-point material hollow pipe Length is 150~300mm, and bore is 10~25mm.
4. production method according to claim 1, it is characterised in that:The step(1)Low-melting-point metal be zinc, stannum, Aluminum, terne metal, red brass or bismuth alloy.
5. production method according to claim 1, it is characterised in that:The step(2)Parent metal material be carbon Steel or steel alloy.
6. production method according to claim 1, it is characterised in that:The step(2)Plied timber material for stainless Steel or titanium steel.
7. production method according to claim 1, it is characterised in that:The step(2)Isolated material be magnesium oxide, oxygen Change aluminum, graphite, molybdenum bisuphide or boron nitride.
8. production method according to claim 1, it is characterised in that:The step(2)Isolated material thickness be 0.2 ~0.4mm.
9. production method according to claim 1, it is characterised in that:The step(2)Opened hole be according to composite plate The width of base respectively opens up at least one hole on head end and tail end-side wall.
10. production method according to claim 1, it is characterised in that:The step(2)Closure end termination higher than multiple The base of plywood base.
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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
CN104625640A (en) * 2015-01-05 2015-05-20 云南昆钢新型复合材料开发有限公司 Abrasion-resisting lamination double-metal composite material and manufacturing method thereof

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