CN107695630A - A kind of convex copper-steel composite plate preparation method - Google Patents
A kind of convex copper-steel composite plate preparation method Download PDFInfo
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- CN107695630A CN107695630A CN201711005993.1A CN201711005993A CN107695630A CN 107695630 A CN107695630 A CN 107695630A CN 201711005993 A CN201711005993 A CN 201711005993A CN 107695630 A CN107695630 A CN 107695630A
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- plate
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- copper
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- top plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses a kind of convex copper-steel composite plate preparation method, comprise the following steps:Top plate and Substrate sheet are provided;Polishing;Explosive forming, Substrate sheet is positioned on ground, ground keeps smooth, top plate is placed on Substrate sheet afterwards, 10mm gap is reserved between top plate and Substrate sheet, the explosive that arrangement height is 40mm on the upper surface of top plate after again, with cap sensitive explosive, the shaping of composite plate instantaneous explosion;Ultrasonic examination, heat treatment, smoothing, after carrying out ultrasonic examination to the composite plate after blast, it is heat-treated using electric furnace, is then straightened the composite plate after heat treatment on planisher;First steel plate of copper coin both sides is removed with the second steel plate, that is, convex copper-steel composite plate is made.Copper-steel composite plate Percentage bound 100% is prepared into by the explosion weld process, between its tensile strength reaches 240~320mpa, service life was up to 30~50 years.
Description
Technical field
The present invention relates to composite plate preparation field, the convex copper steel is applied on the fan of coal mine blower, and in particular to
A kind of convex copper-steel composite plate preparation method.
Background technology
Copper/steel composite material not only has the special performance of copper, but also intensity and mechanical performance with steel, so as to obtain
Anticorrosion, the excellent combination property such as wear-resistant, electrical and thermal conductivity is excellent, attractive in appearance, cost is low.It makes part have longer make
With the life-span, there are higher intensity, hardness than single copper product, be unlikely to deform, improve bearing capacity.With copper/steel composite wood
Material replaces copper metal, applied to production practices, can save substantial amounts of copper resource, obtain significant economic benefit.
Generally use hot rolling and cold rolling composite algorithm prepare copper-steel composite material in the prior art.Method hot rolling method is to be answered
The metal stock of conjunction carries out rolling deformation at high temperature under high pressure, heated and power collective effect and make what different metal was combined
A kind of process, have the advantages that technique is simple, production efficiency is high.The advantages of method hot rolling method be requirement to milling train not
Height, a composite plate greatly is readily obtained, shortcoming is complex process, and the thickness and Thickness ratio of product are relatively unmanageable.The compound bag of cold rolling
Include the production technology that " under surface treatment-normal temperature cold rolling compound-diffusion annealing " is main process.It is cold compared with method hot rolling method
First pass deformation during rolling compound is bigger, typically to reach 60-70%, even more high, but cold rolling composite algorithm can be realized
The combination of a variety of constituent elements, and coiled composite can be produced, accurate size, efficiency high, but " cold rolling under one normal temperature of surface treatment
A compound diffusion annealing " combination is very fragile, and bond strength is low and unstable.Will applied to the copper strips circle on coal mine blower fan
It is convex structure to seek copper-steel composite plate, but uses conventional rolling to prepare copper-steel composite plate with cold rolling composite algorithm, it is desirable to lower floor
For base steel layer, upper strata is the copper coin with base steel layer homalographic, it is necessary to which the copper coin for cutting certain area just may make up convex structure
Copper-steel composite plate, so cause the waste of copper coin, increase manufacturing cost.And pass through hot rolling and cold rolling composite algorithm
Prepare copper-steel composite plate and be applied on the fan of coal mine blower and easily come off, short life, easily cause the problem of fan damages.
The content of the invention
The present invention solves the deficiencies in the prior art, there is provided a kind of convex copper-steel composite plate preparation method, both saved
Cost, and the mechanical property of the copper-steel composite plate prepared by this method, meet the fan of coal mine blower to Copper steel cladding
The demand of plate.
The technical solution adopted in the present invention is:A kind of convex copper-steel composite plate preparation method, comprises the following steps:
Step 1: provide top plate and Substrate sheet
The top plate is using the first steel plate, copper coin, the second steel plate, and first steel plate, copper coin and the second steel plate are same
One is welded in by argon arc welding successively from left to right on horizontal plane;The thickness of the top plate is 6~8mm;
Basic unit's steel is steel plate, and the thickness of the steel plate is 14~16mm;
Step 2: polishing
Above-mentioned top plate is processed by shot blasting with Substrate sheet using polishing machine;
Step 3: explosive forming
Substrate sheet is positioned on ground, ground keep it is smooth, after top plate is placed on Substrate sheet, top plate
Between Substrate sheet reserve 10mm gap, then after on the upper surface of top plate arrangement height be 40mm explosive, use thunder
Pipe ignition charge, the shaping of composite plate instantaneous explosion;Explosion velocity is 2200~2300m/s;
Step 4: ultrasonic examination, heat treatment, smoothing
After composite plate after being exploded to step 3 carries out ultrasonic examination, it is heat-treated using electric furnace, then by heat
Composite plate after reason is straightened on planisher, and removes overlap and the uncombined region of detonator of composite plate;
Step 5: convex copper-steel composite plate is made
First steel plate of copper coin both sides is removed with the second steel plate, that is, convex copper-steel composite plate is made.
In a kind of preferred embodiment of the present invention, in step 4, the temperature of the heat treatment is 530~540 DEG C, insulation
4~5 hours, come out of the stove when furnace temperature is less than 100 DEG C.
Compared to prior art, the device have the advantages that:
1st, copper-steel composite plate Percentage bound 100% being prepared into by the explosion weld process, its tensile strength reaches 240~
Between 320Mpa, service life length, up to 30~50 years, the service life and security of equipment are not only increased, and fill up
Coal mine blower fan supplies the blank of preparation technology with copper-steel composite plate, while the copper steel for also overcoming prior art processing is answered
Plywood, which is applied on the fan of coal mine blower, easily to come off, short life, easily causes the problem of fan damages.
2nd, the steel plate~copper coin~steel plate welded using argon arc welding substitutes whole copper coin, has greatly saved cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of convex copper-steel composite plate preparation method, comprises the following steps:
Step 1: provide top plate and Substrate sheet
The top plate is using the first steel plate, copper coin, the second steel plate, and first steel plate, copper coin and the second steel plate are same
One is welded in by argon arc welding successively from left to right on horizontal plane;The thickness of the top plate is 6~8mm;
Basic unit's steel is steel plate, and the thickness of the steel plate is 14~16mm;
Step 2: polishing
Above-mentioned top plate is processed by shot blasting with Substrate sheet using polishing machine;
Step 3: explosive forming
Substrate sheet is positioned on ground, ground keep it is smooth, after top plate is placed on Substrate sheet, top plate
Between Substrate sheet reserve 10mm gap, then after on the upper surface of top plate arrangement height be 40mm explosive, use thunder
Pipe ignition charge, the shaping of composite plate instantaneous explosion;Explosion velocity is 2200~2300m/s;
Step 4: ultrasonic examination, heat treatment, smoothing
After composite plate after being exploded to step 3 carries out ultrasonic examination, it is heat-treated using electric furnace, the heat treatment
Temperature be 530~540 DEG C, be incubated 4~5 hours, when furnace temperature be less than 100 DEG C when come out of the stove.Then by answering after heat treatment
Plywood is straightened on planisher, and removes overlap and the uncombined region of detonator of composite plate;
Step 5: convex copper-steel composite plate is made
First steel plate of copper coin both sides is removed with the second steel plate, that is, convex copper-steel composite plate, its structure institute Fig. 1 is made
Shown, i.e., convex copper-steel composite plate is made up of Substrate sheet 1 and copper coin 2.
Embodiment 1
Step 1: provide top plate and Substrate sheet, the top plate is using the first steel plate, copper coin, the second steel plate, described the
One steel plate, copper coin and the second steel plate are welded in one successively by argon arc welding from left to right in same level;The top plate
Thickness be 7mm;Basic unit's steel is steel plate, and the thickness of the steel plate is 15mm;Step 2: polishing, using polishing machine pair
Above-mentioned top plate is processed by shot blasting with Substrate sheet;Step 3: explosive forming, Substrate sheet is positioned on ground, ground
Keep smooth, after top plate is placed on Substrate sheet, between top plate and Substrate sheet reserve 10mm gap, then after
The explosive that arrangement height is 40mm on the upper surface of top plate, with cap sensitive explosive, the shaping of composite plate instantaneous explosion;Explosion velocity is
2250m/s;Step 4: ultrasonic examination, heat treatment, smoothing, after the composite plate after being exploded to step 3 carries out ultrasonic examination,
It is heat-treated using electric furnace, the temperature of the heat treatment is 535 DEG C, is incubated 4.5 hours, goes out when furnace temperature is down to 90 DEG C
Stove.Then the composite plate after heat treatment is straightened on planisher, and removes overlap and the uncombined region of detonator of composite plate;Step
Rapid five, convex copper-steel composite plate is made, the first steel plate of copper coin both sides is removed with the second steel plate, that is, convex copper steel is made
Composite plate.
The copper-steel composite plate Percentage bound 100% prepared by embodiment 1, its tensile strength are 280Mpa.
Embodiment 2
Step 1: provide top plate and Substrate sheet, the top plate is using the first steel plate, copper coin, the second steel plate, described the
One steel plate, copper coin and the second steel plate are welded in one successively by argon arc welding from left to right in same level;The top plate
Thickness be 7.5mm;Basic unit's steel is steel plate, and the thickness of the steel plate is 14.5mm;Step 2: polishing, using polishing
Machine is processed by shot blasting to above-mentioned top plate with Substrate sheet;Step 3: explosive forming, Substrate sheet is positioned on ground,
Ground keep it is smooth, after top plate is placed on Substrate sheet, between top plate and Substrate sheet reserve 10mm gap, then
The explosive that arrangement height is 40mm on the upper surface of top plate afterwards, with cap sensitive explosive, the shaping of composite plate instantaneous explosion;It is quick-fried
Speed is 2280m/s;Step 4: ultrasonic examination, heat treatment, smoothing, the composite plate after being exploded to step 3 carries out ultrasonic wave spy
After wound, it is heat-treated using electric furnace, the temperature of the heat treatment is 538 DEG C, is incubated 4.2 hours, treats furnace temperature as little as 80
DEG C when come out of the stove.Then the composite plate after heat treatment is straightened on planisher, and removes the overlap of composite plate and detonator is not associated with
Region;
Step 5: convex copper-steel composite plate is made, the first steel plate of copper coin both sides is removed with the second steel plate, that is, is made
Convex copper-steel composite plate.
The copper-steel composite plate Percentage bound 100% prepared by embodiment 2, its tensile strength are 310Mpa.
Embodiment 3
Step 1: provide top plate and Substrate sheet, the top plate is using the first steel plate, copper coin, the second steel plate, described the
One steel plate, copper coin and the second steel plate are welded in one successively by argon arc welding from left to right in same level;The top plate
Thickness be 6~8mm;Basic unit's steel is steel plate, and the thickness of the steel plate is 14~16mm;Step 2: polishing, using throwing
Ray machine is processed by shot blasting to above-mentioned top plate with Substrate sheet;Step 3: explosive forming, ground is positioned over by Substrate sheet
On, ground keep it is smooth, after top plate is placed on Substrate sheet, between top plate and Substrate sheet reserve 10mm between
Gap, then after arrangement height is 40mm on the upper surface of top plate explosive, with cap sensitive explosive, composite plate instantaneous explosion into
Type;Explosion velocity is 2290m/s;Step 4: ultrasonic examination, heat treatment, smoothing, the composite plate after being exploded to step 3 carries out ultrasound
After wave inspection, it is heat-treated using electric furnace, the temperature of the heat treatment is 532 DEG C, is incubated 4.8 hours, treats that furnace temperature is low
Come out of the stove during to 85 DEG C.Then the composite plate after heat treatment is straightened on planisher, and remove composite plate overlap and detonator not
Calmodulin binding domain CaM;Step 5: convex copper-steel composite plate is made, the first steel plate of copper coin both sides is removed with the second steel plate, that is, made
Obtain convex copper-steel composite plate.
The copper-steel composite plate Percentage bound 100% prepared by embodiment 3, its tensile strength are 310Mpa.
Above-described embodiment, simply presently preferred embodiments of the present invention are not used for limiting the practical range of the present invention, thus it is all with
The equivalent variations that content described in the claims in the present invention is done, it all should be included within scope of the invention as claimed.
Claims (2)
1. a kind of convex copper-steel composite plate preparation method, it is characterised in that comprise the following steps:
Step 1: provide top plate and Substrate sheet
The top plate is using the first steel plate, copper coin, the second steel plate, and first steel plate, copper coin and the second steel plate are in same level
One is welded in by argon arc welding successively from left to right on face;The thickness of the top plate is 6~8mm;
Basic unit's steel is steel plate, and the thickness of the steel plate is 14~16mm;
Step 2: polishing
Above-mentioned top plate is processed by shot blasting with Substrate sheet using polishing machine;
Step 3: explosive forming
Substrate sheet is positioned on ground, ground keep it is smooth, after top plate is placed on Substrate sheet, top plate and base
Layer steel plate between reserve 10mm gap, then after on the upper surface of top plate arrangement height be 40mm explosive, drawn with detonator
Bursting charge, the shaping of composite plate instantaneous explosion;Explosion velocity is 2200~2300m/s;
Step 4: ultrasonic examination, heat treatment, smoothing
After composite plate after being exploded to step 3 carries out ultrasonic examination, it is heat-treated using electric furnace, after being then heat-treated
Composite plate be straightened on planisher, and remove composite plate overlap and detonator be not associated with region;
Step 5: convex copper-steel composite plate is made
First steel plate of copper coin both sides is removed with the second steel plate, that is, convex copper-steel composite plate is made.
A kind of 2. convex copper-steel composite plate preparation method according to claim 1, it is characterised in that in step 4,
The temperature of the heat treatment is 530~540 DEG C, is incubated 4~5 hours, is come out of the stove when furnace temperature is less than 100 DEG C.
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CN105290603A (en) * | 2015-12-08 | 2016-02-03 | 西安合久焊接科技有限公司 | Explosive welding method of titanium-steel composite plate |
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CN106238877A (en) * | 2016-08-25 | 2016-12-21 | 武汉船用机械有限责任公司 | A kind of welding method of structural member |
CN106891584A (en) * | 2015-12-17 | 2017-06-27 | 比亚迪股份有限公司 | A kind of metallic composite panel and preparation method thereof |
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CN104259742A (en) * | 2014-07-23 | 2015-01-07 | 南京润邦金属复合材料有限公司 | Embedded vacuum rolling method of titanium/steel laminated metal |
US20160237826A1 (en) * | 2015-02-17 | 2016-08-18 | United Technologies Corporation | Method of processing unfinished surfaces |
CN105290603A (en) * | 2015-12-08 | 2016-02-03 | 西安合久焊接科技有限公司 | Explosive welding method of titanium-steel composite plate |
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CN106891584A (en) * | 2015-12-17 | 2017-06-27 | 比亚迪股份有限公司 | A kind of metallic composite panel and preparation method thereof |
CN105479850A (en) * | 2015-12-24 | 2016-04-13 | 重庆乐乎科技有限公司 | Manufacturing method of special explosive cladding board |
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Address after: 721000 Baoji high and New Development Zone, Baoji City, Shaanxi Province, Qing nunnpu village, fish town Patentee after: Baoji Lihe metal composite Co., Ltd Address before: 721000 Baoji high and New Development Zone, Baoji City, Shaanxi Province, Qing nunnpu village, fish town Patentee before: BAOJI LIHE METAL COMPOSITE MATERIAL Co.,Ltd. |
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