CN105032975A - Laminated metal composite roller plate production method - Google Patents
Laminated metal composite roller plate production method Download PDFInfo
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- CN105032975A CN105032975A CN201510588601.3A CN201510588601A CN105032975A CN 105032975 A CN105032975 A CN 105032975A CN 201510588601 A CN201510588601 A CN 201510588601A CN 105032975 A CN105032975 A CN 105032975A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000002905 metal composite material Substances 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 99
- 239000002131 composite material Substances 0.000 claims abstract description 93
- 238000005096 rolling process Methods 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 25
- 239000000956 alloy Substances 0.000 claims abstract description 25
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims description 31
- 239000007769 metal material Substances 0.000 claims description 27
- 210000001513 Elbow Anatomy 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 239000004411 aluminium Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 13
- 229910000765 intermetallic Inorganic materials 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 10
- 229910052718 tin Inorganic materials 0.000 claims description 9
- 239000011135 tin Substances 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- 238000005098 hot rolling Methods 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N al2o3 Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000005755 formation reaction Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 238000010297 mechanical methods and process Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 229910000648 terne Inorganic materials 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 3
- 229910001152 Bi alloy Inorganic materials 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N N#B Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 2
- 229910001884 aluminium oxide Inorganic materials 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000000903 blocking Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 238000009490 roller compaction Methods 0.000 description 7
- 230000004927 fusion Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000635 Spelter Inorganic materials 0.000 description 1
- 125000004429 atoms Chemical group 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Abstract
The invention discloses a laminated metal composite roller plate production method. The steps of manufacturing a pipe segment with a sealed pipe opening, manufacturing a composite plate blank, conducting vacuuming, conducting rolling and the like are conducted, when the composite blank is heated in a furnace to the melting temperature of low-melting-point metal or alloy, the low-melting-point metal or alloy is melted and flows out along the pipe segment inclining downwards, and the pipe segment is not sealed and blocked anymore, so that the composite blank is opened, and residual gas in the blank can be discharged out of the opened pipe segment in the rolling and grinding processes. An exhaust pipe of the composite blank is easy and convenient to mount and low in cost, the sealing and blocking material can flow out along the inclined exhaust pipe after being melted and cannot flow back into the composite blank to pollute the composite blank, and a high-quality laminated metal composite roller plate can be obtained.
Description
Technical field
The present invention relates to a kind of production method of laminated metallic compound roll bending, belong to layered metal composite technical field.
Background technology
Method hot rolling is the common method manufacturing layered metal composite, is allow the metal of two kinds of clean surface contact with each other, and reaches the complex method of continuous print metallurgical binding by high diffusion effect between atom when heating and plastic deformation.The base step of high rolling composite blank generally comprises: the polishing of basic unit, cladding substrate faying face, substrate, compound plate superimposed, surrounding seam subsequently, port openings and install blast pipe, sealed after being vacuumized.But, in the industrial production, in high rolling composite blank, there is a small amount of gas residue unavoidably, when these gases heat in airtight slab, meeting expanded by heating, causes composite billet bubbling, slab deformation, cause weld cracking time serious, slab is scrapped, or causes the damage of rolling equipment.For method hot rolling, effectively can discharge the residual gas in slab in heating and the operation of rolling, be ensure that composite billet rolling is successfully crucial.
Prior art " method of vacuum assembly-antivacuum rolling layered metal composite roll bending " (ZL201210531128.1), by spaced openings on the tail end of composite billet, the hollow pipeline section of aluminium matter is inserted in each hole, the inner of the hollow pipeline section of aluminium matter is made to be placed in the rolling wider space of the ducted body of composite billet, and outer end passing hole being connected with vavuum pump by pipeline, seal between Kong Yuguan.Composite billet is in heating furnace during conventional heating, along with base temperature rise to higher than aluminium matter hollow pipe fusing point time, the hollow pipeline section fusing of aluminium matter, perforate is opened wide, with head end front, the posterior position of tail end, when feeding conventional rolling mill is rolled, the inner remaining air of composite plate blanks, can discharge by the steam vent opened wide from its tail end in rolling roller compaction process, namely obtains layered metal composite coiled sheet.
But, also there is following two problems in above-mentioned technical scheme: one is, when sealing between the hole of aluminium matter hollow pipe and base termination, for making it firmly bonding, be not ejected under vacuumized conditions, adopt the method for welding, but because aluminium matter hollow pipe is non-ferrous metal, hole is ferrous metal, there is the problem of welding difficulty between dissimilar metal, use special welding rod, cost is very high.Two are, the inner of the hollow pipeline section of aluminium matter arranged is placed in the rolling wider space of the ducted body of composite billet, in composite billet heating process, along with base temperature rise to higher than aluminium matter hollow pipe fusing point time, the hollow pipeline section fusing of aluminium matter, composite billet internal contamination composite billet can be fused into after aluminium matter hollow tubular portion fractional melting in wider space, adverse effect is brought to the quality of composite billet.
Summary of the invention
Existing problem being set in order to solve the blast pipe of high rolling composite blank in prior art, the invention provides a kind of production method of laminated metallic compound roll bending.
The present invention is realized by following technical proposal: a kind of production method of laminated metallic compound roll bending, it is characterized in that through following each step:
(1) prepare the bend pipe of ferrule: polished by the mouth of pipe of high-melting-point material hollow pipe, and inside pipe wall is mechanically cleared up to cleaning, then high-melting-point material hollow pipe is fixed in the horizontal plane; Low-melting-point metal or the alloy of liquid will be melted into, slowly import from one end of high-melting-point material hollow pipe, low-melting-point metal or alloy fluid are freezed in this end and forms shutoff plug, controlling this envelope stemming length is 5 ~ 30mm, after being cooled to room temperature, high-melting-point material hollow pipe is bent to 10 ~ 90 °, obtains the bend pipe of mouth of pipe shutoff;
(2) composite plate blanks: plied timber material and parent metal material are carried out surface treatment with conventional mechanical methods respectively clean to combination interface, by stacked for two blocks of plied timber materials, and isolated material is added in the middle of stacked two blocks of plied timber materials, be put in afterwards, go to a grassroots level between metal material, to upper, the surrounding of metal material of going to a grassroots level carries out welding formation four sidewalls, and make the surrounding of plied timber material wherein reserve rolling extension space, obtain composite billet, and hole is opened on the head end and tail end sidewall of composite billet, high-melting-point material hollow straight pipe is inserted in the through hole of head end sidewall, the inner of high-melting-point material hollow straight pipe is communicated with rolling extension space, and outer end is connected with vavuum pump, the straight tube end of inserting step (1) gained bend pipe in the through hole of tail end sidewall, and communicate with rolling extension space, and the bend pipe of mouth of pipe shutoff is outside, and elbow is down, the sweep of this bend pipe and the angle of composite billet tail end sidewall are 90 ~ 170 °,
(3) vacuumize: by the high-melting-point material hollow straight pipe of step (2) ,-1 × 10 are evacuated to composite plate blanks inside
-2~-1 × 10
-3pa, and pressurize is after 2 ~ 3 hours, the external port of shutoff high-melting-point material hollow straight pipe, obtains vacuum composite plate base;
(4) rolling: step (3) gained vacuum composite plate base is sent in hot-rolling heating furnace, carry out conventional heating, when composite billet is heated to the fusion temperature of low-melting-point metal or alloy in stove, low-melting-point metal or alloy melting also flow out along decurved elbow port, make the port no longer shutoff of bend pipe, afterwards with head end front, the posterior position of tail end, send on conventional rolling mill and be rolled, because the elbow port of composite billet tail end is opened, thus in rolling roller compaction process, enable residual gas in base discharge from the elbow port of opening, finally obtain laminated metallic compound roll bending.
The high-melting-point material hollow pipe of described step (1) and (2) refers to that the material of this hollow pipe and composite billet parent metal material have good welds, and the maximum heating temperature of its fusing point when heating higher than composite plate blanks rolling, ensure that high-melting-point material hollow pipe is not melted in composite plate blanks heating rolling process, this high-melting-point material is irony, SUS201 material or SUS304.
The length of the high-melting-point material hollow pipe of described step (1) and (2) is 150 ~ 300mm, and bore is 10 ~ 25mm.
The low-melting-point metal of described step (1) or alloy are zinc, tin, aluminium, terne metal (plumbous 38.14%, tin 61.86%), red brass (tin 91%, zinc 9%) or bismuth alloy (bismuth 58%, tin 42%).
The parent metal material of described step (2) is carbon steel or steel alloy.
The plied timber material of described step (2) is stainless steel or titanium steel.
The isolated material of described step (2) is magnesia, aluminium oxide, graphite, molybdenum bisuphide or boron nitride.
The thickness of the isolated material of described step (2) is 0.2 ~ 0.4mm.
The perforate of described step (2) on head end and tail end sidewall, offers at least one hole according to the width of composite plate blanks.
The pipe port of the bend pipe of described step (2), higher than the base of composite plate blanks, stops the outflow of low-melting-point metal or the alloy melted during to avoid heating.
The beneficial effect that the present invention possesses: because hollow pipe used has manufactured by the materials with high melting point of good welds performance by with composite billet parent metal material, ensure that, between itself and composite billet port holes, there is good welding performance; Simultaneously due to the maximum heating temperature when fusing point of hollow pipe material heat higher than composite billet rolling, therefore guarantee hollow pipe is not melted in composite billet rolling heating process, thus it can not be caused the pollution of composite plate blanks; Again owing to have employed the metal or alloy of low melting point as shutoff plug, therefore when composite billet is heated to the fusion temperature of low-melting-point metal or alloy in stove, low-melting-point metal or alloy melting also flow out along reclinate elbow port, both it can not have been caused the pollution of composite plate blanks, composite billet opening can be made again simultaneously, with in rolling roller compaction process, residual gas in base is discharged smoothly from the bend pipe end of opening.The blast pipe simple installation of composite billet of the present invention, cost is low, can obtain high-quality laminated metallic compound roll bending.
Accompanying drawing explanation
Fig. 1 is the structural representation of step of the present invention (2) gained composite plate blanks;
Fig. 2 is the profile of step of the present invention (2) gained composite plate blanks;
In figure, 1-parent metal material, 2-plied timber material, 3-isolated material, 4-rolling extension space, 5-tail end, 6-high-melting-point material hollow pipe, 7-bend pipe, 8-low-melting-point metal or alloy, 9-head end.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1
Carbon steel Q235B is selected to make parent metal material, stainless steel 06Cr19Ni10(SUS304) make plied timber material:
(1) prepare the bend pipe of mouth of pipe shutoff: polished by the mouth of pipe of irony hollow pipe, and inside pipe wall is mechanically cleared up to cleaning, then irony hollow pipe is fixed in the horizontal plane; Then after making it be melted into liquid aluminium block heating, slowly import from one end of irony hollow pipe, aluminium fluid is met at irony hollow tube end and coldly to be solidified gradually, shutoff plug closely can be formed at the mouth of pipe, the envelope stemming length controlling mouth of pipe place aluminium is 5mm, be cooled to after room temperature until irony hollow pipe and carry out inflation leak detection, after qualified, irony hollow pipe is in 90 ° with pipe middle bent, obtain the bend pipe of mouth of pipe shutoff;
(2) composite plate blanks: plied timber material and parent metal material are carried out surface treatment with conventional mechanical methods respectively clean to combination interface, by stacked for two blocks of plied timber materials, and isolated material is added in the middle of stacked two blocks of plied timber materials, be put in afterwards, go to a grassroots level between metal material, to upper, the surrounding of metal material of going to a grassroots level carries out welding formation four sidewalls, and make the surrounding of plied timber material wherein reserve rolling extension space, obtain composite billet, and hole is opened on the head end and tail end sidewall of composite billet, high-melting-point material hollow straight pipe is inserted in the through hole of head end sidewall, the inner of high-melting-point material hollow straight pipe is communicated with rolling extension space, and outer end is connected with vavuum pump, the straight tube end of inserting step (1) gained bend pipe in the through hole of tail end sidewall, and communicate with rolling extension space, and the bend pipe of mouth of pipe shutoff is outside, and elbow is down, the sweep of this bend pipe and the angle of composite billet tail end sidewall are 90 °, and carry out welded seal between Kong Yuguan,
(3) vacuumize: by the irony hollow straight pipe of step (2) ,-1 × 10 are evacuated to composite plate blanks inside
-2~-1 × 10
-3pa, and pressurize is after 2 hours, the port of shutoff irony hollow straight pipe, obtains vacuum composite plate base;
(4) rolling: step (3) gained vacuum composite plate base is sent in hot-rolling heating furnace, carry out conventional heating, when composite billet is heated to the fusion temperature of low-melting-point metal or alloy in stove, low-melting-point metal or alloy melting also flow out along decurved elbow port, make the port no longer shutoff of bend pipe, afterwards with head end front, the posterior position of tail end, send on conventional rolling mill and be rolled, because the elbow port of composite billet tail end is opened, thus in rolling roller compaction process, enable residual gas in base discharge from the elbow port of opening, finally obtain laminated metallic compound roll bending.
Embodiment 2
Carbon steel Q195 is selected to make parent metal material, stainless steel 06Cr19Ni10(SUS304) make plied timber material:
(1) prepare the bend pipe of mouth of pipe shutoff: be 300mm by length, bore is that the mouth of pipe of the SUS201 material hollow pipe of 15mm polishes, and mechanically clears up to cleaning inside pipe wall, then by fixing for SUS201 material hollow pipe in the horizontal plane; Then after making it be melted into liquid tin heating, slowly import from one end of SUS201 material hollow pipe, tin fluid is met at SUS201 material hollow tube end and coldly to be solidified gradually, shutoff plug closely can be formed at the mouth of pipe, the envelope stemming length controlling mouth of pipe place tin is 15mm, be cooled to after room temperature until SUS201 material hollow pipe and carry out inflation leak detection, after qualified, SUS201 material hollow pipe is become 60 ° with pipe middle bent, obtain the bend pipe of mouth of pipe shutoff;
(2) composite plate blanks: plied timber material and parent metal material are carried out surface treatment with conventional mechanical methods respectively clean to combination interface, by stacked for two blocks of plied timber materials, and isolated material is added in the middle of stacked two blocks of plied timber materials, be put in afterwards, go to a grassroots level between metal material, to upper, the surrounding of metal material of going to a grassroots level carries out welding formation four sidewalls, and make the surrounding of plied timber material wherein reserve rolling extension space, obtain composite billet, and hole is opened on the head end and tail end sidewall of composite billet, high-melting-point material hollow straight pipe is inserted in the through hole of head end sidewall, the inner of high-melting-point material hollow straight pipe is communicated with rolling extension space, and outer end is connected with vavuum pump, the straight tube end of inserting step (1) gained bend pipe in the through hole of tail end sidewall, and communicate with rolling extension space, and the bend pipe of mouth of pipe shutoff is outside, and elbow is down, the sweep of this bend pipe and the angle of composite billet tail end sidewall are 120 °, and carry out welded seal between Kong Yuguan,
(3) vacuumize: by the SUS201 material hollow straight pipe of step (2) ,-1 × 10 are evacuated to composite plate blanks inside
-2~-1 × 10
-3pa, and pressurize is after 2.5 hours, the port of shutoff SUS201 material hollow straight pipe, obtains vacuum composite plate base;
(4) rolling: step (3) gained vacuum composite plate base is sent in hot-rolling heating furnace, carry out conventional heating, when composite billet is heated to the fusion temperature of low-melting-point metal or alloy in stove, low-melting-point metal or alloy melting also flow out along decurved elbow port, make the port no longer shutoff of bend pipe, afterwards with head end front, the posterior position of tail end, send on conventional rolling mill and be rolled, because the elbow port of composite billet tail end is opened, thus in rolling roller compaction process, enable residual gas in base discharge from the elbow port of opening, finally obtain laminated metallic compound roll bending.
Embodiment 3
Select carbon steel Q235B to make parent metal material, commercial titanium plate TA2 makes plied timber material:
(1) prepare the bend pipe of mouth of pipe shutoff: be 150mm by length, bore is that the mouth of pipe of the irony hollow pipe of 10mm polishes, and mechanically clears up to cleaning inside pipe wall, then by fixing for irony hollow pipe in the horizontal plane; Then after making it be melted into liquid spelter heating, slowly import from one end of irony hollow pipe, zinc fluid is met at irony hollow tube end and coldly to be solidified gradually, shutoff plug closely can be formed at the mouth of pipe, the envelope stemming length controlling mouth of pipe place zinc is 30mm, be cooled to after room temperature until irony hollow pipe and carry out inflation leak detection, after qualified, irony hollow pipe is become 10 ° with pipe middle bent, obtain the bend pipe of mouth of pipe shutoff;
(2) composite plate blanks: plied timber material and parent metal material are carried out surface treatment with conventional mechanical methods respectively clean to combination interface, by stacked for two blocks of plied timber materials, and isolated material is added in the middle of stacked two blocks of plied timber materials, be put in afterwards, go to a grassroots level between metal material, to upper, the surrounding of metal material of going to a grassroots level carries out welding formation four sidewalls, and make the surrounding of plied timber material wherein reserve rolling extension space, obtain composite billet, and hole is opened on the head end and tail end sidewall of composite billet, high-melting-point material hollow straight pipe is inserted in the through hole of head end sidewall, the inner of high-melting-point material hollow straight pipe is communicated with rolling extension space, and outer end is connected with vavuum pump, the straight tube end of inserting step (1) gained bend pipe in the through hole of tail end sidewall, and communicate with rolling extension space, and the bend pipe of mouth of pipe shutoff is outside, and elbow is down, the sweep of this bend pipe and the angle of composite billet tail end sidewall are 170 °, and carry out welded seal between Kong Yuguan,
(3) vacuumize: by the irony hollow straight pipe of step (2) ,-1 × 10 are evacuated to composite plate blanks inside
-2~-1 × 10
-3pa, and pressurize is after 3 hours, the port of shutoff irony hollow straight pipe, obtains vacuum composite plate base;
(4) rolling: step (3) gained vacuum composite plate base is sent in hot-rolling heating furnace, carry out conventional heating, when composite billet is heated to the fusion temperature of low-melting-point metal or alloy in stove, low-melting-point metal or alloy melting also flow out along decurved elbow port, make the port no longer shutoff of bend pipe, afterwards with head end front, the posterior position of tail end, send on conventional rolling mill and be rolled, because the elbow port of composite billet tail end is opened, thus in rolling roller compaction process, enable residual gas in base discharge from the elbow port of opening, finally obtain laminated metallic compound roll bending.
Embodiment 4
Select steel alloy Q345B to make parent metal material, commercial titanium plate TA2 makes plied timber material:
(1) prepare the bend pipe of mouth of pipe shutoff: be 200mm by length, bore is that the mouth of pipe of the SUS304 material hollow pipe of 25mm polishes, and mechanically clears up to cleaning inside pipe wall, then by fixing for SUS304 material hollow pipe in the horizontal plane; Then after making it be melted into liquid terne metal heating, slowly import from one end of SUS304 material hollow pipe, terne metal fluid is met at SUS304 material hollow tube end and coldly to be solidified gradually, shutoff plug closely can be formed at the mouth of pipe, the envelope stemming length controlling mouth of pipe place terne metal is 10mm, be cooled to after room temperature until SUS304 material hollow pipe and carry out inflation leak detection, after qualified, SUS304 material hollow pipe is become 30 ° with pipe middle bent, obtain the bend pipe of mouth of pipe shutoff;
(2) composite plate blanks: plied timber material and parent metal material are carried out surface treatment with conventional mechanical methods respectively clean to combination interface, by stacked for two blocks of plied timber materials, and isolated material is added in the middle of stacked two blocks of plied timber materials, be put in afterwards, go to a grassroots level between metal material, to upper, the surrounding of metal material of going to a grassroots level carries out welding formation four sidewalls, and make the surrounding of plied timber material wherein reserve rolling extension space, obtain composite billet, and hole is opened on the head end and tail end sidewall of composite billet, high-melting-point material hollow straight pipe is inserted in the through hole of head end sidewall, the inner of high-melting-point material hollow straight pipe is communicated with rolling extension space, and outer end is connected with vavuum pump, the straight tube end of inserting step (1) gained bend pipe in the through hole of tail end sidewall, and communicate with rolling extension space, and the bend pipe of mouth of pipe shutoff is outside, and elbow is down, the sweep of this bend pipe and the angle of composite billet tail end sidewall are 150 °, and carry out welded seal between Kong Yuguan,
(3) vacuumize: by the SUS304 material hollow straight pipe of step (2) ,-1 × 10 are evacuated to composite plate blanks inside
-2~-1 × 10
-3pa, and pressurize is after 2 hours, the port of shutoff SUS304 material hollow straight pipe, obtains vacuum composite plate base;
(4) rolling: step (3) gained vacuum composite plate base is sent in hot-rolling heating furnace, carry out conventional heating, when composite billet is heated to the fusion temperature of low-melting-point metal or alloy in stove, low-melting-point metal or alloy melting also flow out along decurved elbow port, make the port no longer shutoff of bend pipe, afterwards with head end front, the posterior position of tail end, send on conventional rolling mill and be rolled, because the elbow port of composite billet tail end is opened, thus in rolling roller compaction process, enable residual gas in base discharge from the elbow port of opening, finally obtain laminated metallic compound roll bending.
Embodiment 5
With embodiment 1, only low-melting-point metal or alloy aluminum are replaced with red brass, isolated material magnesia replaces with boron nitride.
Embodiment 6
With embodiment 1, only low-melting-point metal or alloy tin are replaced with bismuth alloy.
Claims (10)
1. a production method for laminated metallic compound roll bending, is characterized in that through following each step:
(1) bend pipe of ferrule is prepared: mechanically clear up the inside pipe wall of high-melting-point material hollow pipe to cleaning; Low-melting-point metal or the alloy of liquid will be melted into, slowly import from one end of high-melting-point material hollow pipe, low-melting-point metal or alloy fluid are freezed in this end and forms shutoff plug, controlling this envelope stemming length is 5 ~ 30mm, after being cooled to room temperature, high-melting-point material hollow pipe is bent to 10 ~ 90 °, obtains the bend pipe of mouth of pipe shutoff;
(2) composite plate blanks: plied timber material and parent metal material are carried out surface treatment with conventional mechanical methods respectively clean to combination interface, by stacked for two blocks of plied timber materials, and isolated material is added in the middle of stacked two blocks of plied timber materials, be put in afterwards, go to a grassroots level between metal material, to upper, the surrounding of metal material of going to a grassroots level carries out welding formation four sidewalls, and make the surrounding of plied timber material wherein reserve rolling extension space, obtain composite billet, and hole is opened on the head end and tail end sidewall of composite billet, high-melting-point material hollow straight pipe is inserted in the through hole of head end sidewall, the inner of high-melting-point material hollow straight pipe is communicated with rolling extension space, and outer end is connected with vavuum pump, the straight tube end of inserting step (1) gained bend pipe in the through hole of tail end sidewall, and communicate with rolling extension space, and the bend pipe of mouth of pipe shutoff is outside, and elbow is down, the sweep of this bend pipe and the angle of composite billet tail end sidewall are 90 ~ 170 °,
(3) vacuumize: by the high-melting-point material hollow straight pipe of step (2) ,-1 × 10 are evacuated to composite plate blanks inside
-2~-1 × 10
-3pa, and pressurize is after 2 ~ 3 hours, the external port of shutoff high-melting-point material hollow straight pipe, obtains vacuum composite plate base;
(4) rolling: sent into by step (3) gained vacuum composite plate base in hot-rolling heating furnace, after carrying out conventional heating, with head end front, the posterior position of tail end, sends on conventional rolling mill and is rolled, namely obtain laminated metallic compound roll bending.
2. production method according to claim 1, it is characterized in that: the high-melting-point material hollow pipe of described step (1) and (2) refers to that the material of this hollow pipe and composite billet base material have good welds, and the maximum heating temperature of its fusing point when heating higher than composite plate blanks rolling, ensure that high-melting-point material hollow pipe is not melted in composite plate blanks heating rolling process, high-melting-point material is irony, SUS201 material or SUS304.
3. production method according to claim 1, is characterized in that: the length of the high-melting-point material hollow pipe of described step (1) and (2) is 150 ~ 300mm, and bore is 10 ~ 25mm.
4. production method according to claim 1, is characterized in that: the low-melting-point metal of described step (1) or alloy are zinc, tin, aluminium, terne metal, red brass or bismuth alloy.
5. production method according to claim 1, is characterized in that: the parent metal material of described step (2) is carbon steel or steel alloy.
6. production method according to claim 1, is characterized in that: the plied timber material of described step (2) is stainless steel or titanium steel.
7. production method according to claim 1, is characterized in that: the isolated material of described step (2) is magnesia, aluminium oxide, graphite, molybdenum bisuphide or boron nitride.
8. production method according to claim 1, is characterized in that: the thickness of the isolated material of described step (2) is 0.2 ~ 0.4mm.
9. production method according to claim 1, is characterized in that: the perforate of described step (2) on head end and tail end sidewall, offers at least one hole according to the width of composite plate blanks.
10. production method according to claim 1, is characterized in that: the termination of the shutoff end of described step (2) is higher than the base of composite plate blanks.
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| CN106607668A (en) * | 2016-02-04 | 2017-05-03 | 太原科技大学 | Manufacturing method for stainless steel clad plates allowing coating sides to be easily welded |
| CN106624610A (en) * | 2016-02-04 | 2017-05-10 | 太原科技大学 | Manufacturing method for stainless steel composite plates with spread edges being easily welded |
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| CN109693073A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | A kind of production method of clad steel plate |
| CN109692872A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | A kind of rolling mill sliding plate clad steel plate and its production method |
| CN110961455A (en) * | 2019-11-28 | 2020-04-07 | 湖南湘投金天钛金属股份有限公司 | Preparation process of titanium steel composite coil |
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