CN107442713A - Two kinds of different aluminum alloys combination rollings are the method for an annular element - Google Patents
Two kinds of different aluminum alloys combination rollings are the method for an annular element Download PDFInfo
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- CN107442713A CN107442713A CN201710704366.0A CN201710704366A CN107442713A CN 107442713 A CN107442713 A CN 107442713A CN 201710704366 A CN201710704366 A CN 201710704366A CN 107442713 A CN107442713 A CN 107442713A
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- Prior art keywords
- rolling
- alloys
- ring
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- alloy
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- 238000005096 rolling process Methods 0.000 title claims abstract description 48
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004080 punching Methods 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims description 68
- 229910045601 alloy Inorganic materials 0.000 claims description 65
- 238000009413 insulation Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052729 chemical element Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Method the invention discloses a kind of two kinds of different aluminum alloys combination rolling for an annular element, its step are：First respectively by two kinds of rods and bars of aluminium alloy jumping-ups, punching, pre-rolling into small one and large one, two aluminium alloy ring billets, the outside that big aluminium alloy ring billet is enclosed on to small aluminium alloy ring billet is placed on looping mill and rolled together, obtains the bimetallic ring of two kinds of aluminium alloys.This method derives rolling deformation drag ratio by bimetallic rolling ratio, determines rolling deformation temperature, carries out roll forming so as to be heated separately to corresponding temperature, obtains the good bimetallic ring of performance, size.This method is used for bimetallic ring parts rolling forming.
Description
Technical field
The present invention relates to a kind of looping mill rolling roll-forming method, is one more particularly to two kinds of different aluminum alloys combination rollings
The method of individual annular element.
Background technology
Bimetallic ring is the compound ring being made up of two kinds of different metals, passes through various modifications and connection skill between ring
Art is combined closely, and inside and outside ring will not separate under external force.Compared with single ferrule piece, bimetallic ring can be abundant
Two kinds of respective optimum performances of metal are played, not only with combination properties such as excellent physics, chemistry, mechanics, can also be saved
A large amount of precious metals, reduce production cost, thus bimetallic ring be widely used in machinery, automobile, train, ship, metallurgy,
The industrial circles such as chemical industry, the energy, Aero-Space.At present, the main manufacture methods of bimetallic ring are to first pass through ring rolling work
Skill distinguishes two monometallic rings of roll forming, then two monometallic ring combinations are assembled into bimetallic ring.Due to two
Monometallic ring separates roll forming, causes this method process more, wastes time and energy, low production efficiency.And two of roll forming
When monometallic ring is combined assembling, elastic deformation or small plastic deformation only occur for ring contact interface, so as to cause the party
The bimetallic ring interracial contact of method manufacture is of poor quality, and bonding strength is low, it is impossible to meets high performance double metal ring military service performance
With the requirement of service life.
Bimetallic ring rolling, which refers to two kinds of metal ring billets being nested together, to be rolled, in the operation of rolling, due to metal
The factor such as characteristic of the resistance of deformation with temperature and material in itself it is relevant, it is easy to cause deformation uneven, and cause rolling to be lost
Lose.
The content of the invention
The technical problem to be solved in the present invention is to provide it is a kind of using control deformation process in metal material deformation temperature,
The roll forming of bimetallic ring is realized, obtains the good bimetallic ring of performance, size.
In order to solve the above technical problems, side of the two kinds of different aluminum alloys combination rolling of the present invention for an annular element
Method, its technical scheme comprise the following steps：
Two kinds of aluminum alloy materials of 2A70 and 2A50 are taken, are cutting into bar by certain specification respectively, then by jumping-up, punching
Hole, pre-rolling are equal to the outer of 2A50 alloy ring billets into 2A70 alloys ring billet and 2A50 alloy ring billets, the internal diameter of 2A70 alloy ring billets
Footpath；2A70 alloy ring billets are heated to 420 ± 10 DEG C of insulations respectively, 2A50 alloy ring billets are heated to 400 ± 10 DEG C of insulations；Will
The outside that 2A70 alloy ring billets are enclosed on 2A50 alloy ring billets is placed on looping mill and rolled together, obtains the double of two kinds of aluminium alloys
Ferrule piece, wherein, the rolling of 2A70 alloy rings is compared for K1, 2A50 alloy rings rolling compare for K2；K1/K2=σs/σs',
In formula, σsFor, 2A70 alloy ring billet rolling deformation drags, σs' it is 2A50 alloy ring billet rolling deformation drags.
The 2A70 alloys ring billet rolling deformation drag is σs=n σ0, wherein, n is 2A70 alloys in rolling corresponding deformation temperature
Thermal parameter coefficient under degree, σ0For the resistance of deformation of 2A70 alloys at normal temperatures.
The 2A50 alloys ring billet rolling deformation drag is σs'=n ' σ0', wherein, n ' is that 2A50 alloys mutually strain in rolling
Thermal parameter coefficient at a temperature of shape, σ0' it is the resistance of deformation of 2A50 alloys at normal temperatures.
Compared with prior art, beneficial effects of the present invention are as follows：
Two kinds of different aluminum alloys combination rolling of the present invention is the method for an annular element, first according to two kinds of aluminium alloys
The final size of ring, 2A70 alloys ring billet and 2A50 alloy ring billets are designed, and determine that 2A70 alloy rings and 2A50 are closed respectively
K is compared in the rolling of golden ring1、K2, further according to K1/K2=σs/σs' determine 2A70 alloys ring billet and 2A50 alloy rolling deformation drags
σs、σs', so that it is determined that the heating-up temperature of 2A70 alloy rings and 2A50 alloy rings.At the corresponding temperature, by 2A70 alloy hoops
Base and 2A50 alloy ring billets are nested together rolling, so as to obtain the bimetallic ring of two kinds of good aluminium alloys of performance, size.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is bi-metal rolling process schematic.
Embodiment
Implement two kinds of different aluminum alloys combination rolling of the present invention needs to provide forging for the method for an annular element
The equipment such as heating furnace, forcing press, manipulator.Its embodiment：
The main chemical elements content (percentage by weight) of the 2A70 alloys is：Amount containing Mn≤0.2%, si content≤
0.35%th, ni content 0.9%~1.5%, amount containing Ti 0.02%~0.1%, amount containing Cu 1.9%~2.5%, amount containing Fe 0.9%
~1.5%, amount containing Mg 1.4%~1.8%, amount containing Zn≤0.3%, surplus Al.
The main chemical elements content (percentage by weight) of the 2A50 alloys is：Si content 0.7%~1.2%, amount containing Fe
≤ 0.70%, amount containing Co 1.8%~2.6%, amount containing Mn 0.40%~0.80%, amount containing Mg 0.40%~0.80%, ni content
≤ 0.10%, amount containing Zn≤0.30%, containing (Fe+Ni) amount≤0.70%, amount containing Ti≤0.15%, surplus Al.
The step of this method, is as follows：
Two kinds of aluminum alloy materials of 2A70 and 2A50 are taken, are cutting into bar by certain specification respectively, then by jumping-up, punching
Hole, pre-rolling are equal to 2A50 alloys ring billet 5 into 2A70 alloys ring billet 4 and 2A50 alloys ring billet 5, the internal diameter of 2A70 alloys ring billet 4
External diameter；2A70 alloys ring billet 4 is heated to 420 ± 10 DEG C of insulations respectively, 2A50 alloys ring billet 5 is heated to 400 ± 10 DEG C
Insulation；The outside that 2A70 alloys 4 are enclosed on to 2A50 alloys ring billet 5 is placed on looping mill and rolled together, obtains two kinds of aluminium and closes
The bimetallic ring of gold, wherein, the rolling of 2A70 alloy rings is compared for K1, 2A50 alloy rings rolling compare for K2；K1/K2=
σs/σs', in formula, σsFor, 2A70 alloy ring billet rolling deformation drags, σs' it is 2A50 alloy ring billet rolling deformation drags.
The rolling deformation drag of 2A70 alloys ring billet 4 is σs=n σ0, wherein, n is 2A70 alloys in rolling corresponding deformation
At a temperature of thermal parameter coefficient, σ0For the resistance of deformation of 2A70 alloys at normal temperatures.
The rolling deformation drag of 2A50 alloys ring billet 5 is σs'=n ' σ0', wherein, n ' is that 2A50 alloys are corresponding in rolling
Thermal parameter coefficient under deformation temperature, σ0' it is the resistance of deformation of 2A50 alloys at normal temperatures.
Claims (3)
1. a kind of two kinds of different aluminum alloys combination rolling is the method for an annular element, it is characterised in that is comprised the following steps：
Two kinds of aluminum alloy materials of 2A70 and 2A50 are taken, are cutting into bar by certain specification respectively, then by jumping-up, punching, pre-
2A70 alloys ring billet and 2A50 alloy ring billets are rolled into, the internal diameter of 2A70 alloy ring billets is equal to the external diameter of 2A50 alloy ring billets；Point
2A70 alloy ring billets are not heated to 420 ± 10 DEG C of insulations, 2A50 alloy ring billets are heated to 400 ± 10 DEG C of insulations；By 2A70
The outside that alloy ring billet is enclosed on 2A50 alloy ring billets is placed on looping mill and rolled together, obtains the bimetallic of two kinds of aluminium alloys
Ring, wherein, the rolling of 2A70 alloy rings is compared for K1, 2A50 alloy rings rolling compare for K2；K1/K2=σs/σs', in formula,
σsFor, 2A70 alloy ring billet rolling deformation drags, σs' it is 2A50 alloy ring billet rolling deformation drags.
2. two kinds of different aluminum alloys combination rolling according to claim 1 is the method for an annular element, it is characterised in that
The 2A70 alloys ring billet rolling deformation drag is σs=n σ0, wherein, n is heat of the 2A70 alloys at a temperature of corresponding deformation is rolled
Force parameter coefficient, σ0For the resistance of deformation of 2A70 alloys at normal temperatures.
3. two kinds of different aluminum alloys combination rolling according to claim 1 is the method for an annular element, it is characterised in that
The 2A50 alloys ring billet rolling deformation drag is σs'=n ' σ0', wherein, n ' is 2A50 alloys at a temperature of corresponding deformation is rolled
Thermal parameter coefficient, σ0' it is the resistance of deformation of 2A50 alloys at normal temperatures.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016110937077 | 2016-12-01 | ||
| CN201611093707 | 2016-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107442713A true CN107442713A (en) | 2017-12-08 |
Family
ID=60492722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710704366.0A Pending CN107442713A (en) | 2016-12-01 | 2017-08-16 | Two kinds of different aluminum alloys combination rollings are the method for an annular element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107442713A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54102278A (en) * | 1978-01-31 | 1979-08-11 | Mitsubishi Heavy Ind Ltd | Composite working device for ring body |
| SU822960A1 (en) * | 1979-07-04 | 1981-04-23 | Предприятие П/Я Г-4585 | Method of expanding shaped rings |
| CN1586754A (en) * | 2004-09-21 | 2005-03-02 | 武汉理工大学 | Process for rolling and forming external step section ring piece |
| CN101829745A (en) * | 2010-04-23 | 2010-09-15 | 武汉理工大学 | Cold ring rolling forming method for double-flute section ring |
| CN102125972A (en) * | 2010-12-10 | 2011-07-20 | 贵州安大航空锻造有限责任公司 | Method for rolling and shaping structural steel high cylindrical ring forged piece |
| CN103042142A (en) * | 2013-01-15 | 2013-04-17 | 武汉理工大学 | Precise roll forming method for bimetallic rings |
| CN103111564A (en) * | 2013-02-06 | 2013-05-22 | 武汉理工大学 | Precise roll forming method of bimetal tubular part |
| CN105195714A (en) * | 2015-09-23 | 2015-12-30 | 太原科技大学 | Method for casting, rolling and forming inner layer Q345B and outer layer 40 chromium (Cr) composite rings |
-
2017
- 2017-08-16 CN CN201710704366.0A patent/CN107442713A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54102278A (en) * | 1978-01-31 | 1979-08-11 | Mitsubishi Heavy Ind Ltd | Composite working device for ring body |
| SU822960A1 (en) * | 1979-07-04 | 1981-04-23 | Предприятие П/Я Г-4585 | Method of expanding shaped rings |
| CN1586754A (en) * | 2004-09-21 | 2005-03-02 | 武汉理工大学 | Process for rolling and forming external step section ring piece |
| CN101829745A (en) * | 2010-04-23 | 2010-09-15 | 武汉理工大学 | Cold ring rolling forming method for double-flute section ring |
| CN102125972A (en) * | 2010-12-10 | 2011-07-20 | 贵州安大航空锻造有限责任公司 | Method for rolling and shaping structural steel high cylindrical ring forged piece |
| CN103042142A (en) * | 2013-01-15 | 2013-04-17 | 武汉理工大学 | Precise roll forming method for bimetallic rings |
| CN103111564A (en) * | 2013-02-06 | 2013-05-22 | 武汉理工大学 | Precise roll forming method of bimetal tubular part |
| CN105195714A (en) * | 2015-09-23 | 2015-12-30 | 太原科技大学 | Method for casting, rolling and forming inner layer Q345B and outer layer 40 chromium (Cr) composite rings |
Non-Patent Citations (2)
| Title |
|---|
| 程懿麒: "轧制变形抗力的计算", 《科技资讯》 * |
| 贺毓辛等: "《轧制理论若干问题》", 31 January 1983 * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |
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