CN115625207B - Isothermal vibration auxiliary rolling device for preparing TiAl alloy plate and rolling method thereof - Google Patents
Isothermal vibration auxiliary rolling device for preparing TiAl alloy plate and rolling method thereof Download PDFInfo
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- CN115625207B CN115625207B CN202211351490.0A CN202211351490A CN115625207B CN 115625207 B CN115625207 B CN 115625207B CN 202211351490 A CN202211351490 A CN 202211351490A CN 115625207 B CN115625207 B CN 115625207B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 75
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 50
- 239000000956 alloy Substances 0.000 title claims abstract description 50
- 229910010038 TiAl Inorganic materials 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000012544 monitoring process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000010104 thermoplastic forming Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 11
- 238000009826 distribution Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910006281 γ-TiAl Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
- B21B27/106—Heating the rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention belongs to the technical field related to the preparation of TiAl alloy plates, and discloses an isothermal vibration auxiliary rolling device for preparing the TiAl alloy plates and a rolling method thereof, wherein the device comprises the following steps: an L-shaped frame; the upper roller and the lower roller with opposite rotation directions are arranged at the vertical part of the L-shaped rack up and down through bearing blocks, and the outlet ends of the upper roller and the lower roller face the horizontal part of the L-shaped rack; the inlet ends of the upper roller and the lower roller are respectively provided with a roller surface heating unit, the bearing seat of the lower roller is arranged on a linear heavy-load bearing, and the linear heavy-load bearing is arranged at the lower part of the L-shaped frame; the roller system vibration unit is positioned at the horizontal part of the L-shaped rack and is connected with the bearing seat of the lower roller so as to drive the lower roller to vibrate back and forth in the horizontal plane. The thermoplastic forming capability and mechanical property of the TiAl alloy can be synchronously improved through vibration.
Description
Technical Field
The invention belongs to the technical field related to preparation of TiAl alloy plates, and particularly relates to an isothermal vibration auxiliary rolling device for preparing a TiAl alloy plate and a rolling method thereof.
Background
The TiAl alloy is an ideal material for high-temperature structural members for aerospace because of low density and excellent high-temperature strength, creep resistance, oxidation resistance and combustion supporting performance. The light high-temperature-resistant TiAl alloy plate has great application potential when applied to structures such as aircraft skins, integral wallboard members, wing rudders and the like, and can effectively improve the comprehensive performance of the aircraft. However, the TiAl alloy has extremely strong intrinsic brittleness as an intermetallic compound, and the problems of uneven temperature distribution, uneven coordinated deformation, large plane strain, high plane stress and residual stress and the like caused by plate temperature drop exist in the rolling process of the large-size TiAl alloy plate, so that cracking is extremely easy to occur, and great challenges are brought to the preparation of the large-size TiAl alloy plate.
Chinese patent CN107267902A, CN2015100281620 et al realized the preparation of TiAl alloy sheet by adopting a new design scheme of β/γ TiAl alloy composition, but the manner of adding β phase stabilizing element and increasing β ratio, while improving the thermoplastic forming ability of TiAl alloy, would decrease the room temperature plasticity and high temperature strength of the material. Therefore, there is a need to design a device or method for forming TiAl alloy sheet materials to solve the above technical problems.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides an isothermal vibration auxiliary rolling device for preparing a TiAl alloy plate and a rolling method thereof, wherein the thermoplastic forming capability of the TiAl alloy can be improved through vibration, the stress distribution of a rolling plastic deformation area is changed through the reciprocating rubbing and rolling action brought by vibration, the cracking risk is reduced, the material performance is improved, the problem of uneven temperature distribution caused by plate surface temperature drop is solved through roller surface heating, and the equipment and the method for preparing the high-quality TiAl alloy plate, which can effectively get rid of the problem of cracking, are provided.
To achieve the above object, according to one aspect of the present invention, there is provided an isothermal vibration assisted rolling device for preparing a TiAl alloy sheet, the device comprising: an L-shaped frame; the upper roller and the lower roller with opposite rotation directions are arranged on the vertical part of the L-shaped rack up and down through bearing blocks, and the outlet ends of the upper roller and the lower roller face the horizontal part of the L-shaped rack; the inlet ends of the upper roller and the lower roller are respectively provided with a roller surface heating unit, the bearing seat of the lower roller is arranged on a linear heavy-duty linear bearing, and the heavy-duty linear bearing is arranged at the lower part of the L-shaped rack; and the roller system vibration unit is positioned at the horizontal part of the L-shaped rack and is connected with the bearing seat of the lower roller so as to drive the lower roller to vibrate back and forth in the horizontal plane.
Preferably, the roll system vibration unit further comprises a plurality of roll vibration guide posts, the vibration table of the roll system vibration unit is fixed on the bearing seat of the lower roll, one end of the roll vibration guide post is fixed on the bearing seat or the vibration table of the lower roll, and the other end of the roll vibration guide post is fixed on the horizontal part of the L-shaped frame or the substrate of the roll system vibration unit and is parallel to the rolling direction.
Preferably, the device further comprises a rolling mill pressing mechanism and a rolling mill balancing mechanism, wherein the rolling mill pressing mechanism is connected with the upper roller so as to drive the upper roller to perform pressing action, the upper end of the rolling mill balancing mechanism is fixed on the cross beam of the L-shaped rack, and the lower end of the rolling mill balancing mechanism is connected with the upper roller so as to lift the upper roller to keep the upper roller in contact with the rolling mill pressing mechanism at any time.
Preferably, the vibration applying mode of the roller system vibration unit is vibration caused by an eccentric mechanism, vibration driven by a hydraulic mechanism or vibration caused by magnetic attraction-ejection, a vibration frequency regulating and controlling interval is 0-3000 Hz, a vibration amplitude regulating and controlling interval is 0-2 mm, and a vibration waveform is in a sine form, a half sine form, a square form or a pulse form.
Preferably, the roller surface heating unit comprises a heating module, and the heating mode of the heat relieving module is one or more of electromagnetic induction heating, resistance wire heating, silicon carbide rod heating or silicon molybdenum rod heating.
Preferably, the roller surface heating unit further comprises a temperature measuring module and a control module, wherein the temperature measuring module is used for detecting the temperature of the roller surface and feeding the temperature back to the control module, and the control module controls the heating temperature of the heating module according to the temperature.
Preferably, the shaft heads at the two ends of the upper roller and the lower roller are respectively provided with a cooling device so as to avoid bearing jam caused by the fact that the temperature of the roller surface is transmitted to the shaft heads.
Preferably, the apparatus further comprises a plate thickness monitoring system for monitoring the plate thickness and adjusting the gap between the upper roll and the lower roll.
In another aspect, the present application provides a rolling method of the isothermal vibration assisted rolling device for preparing a TiAl alloy sheet, where the method includes: s1: adjusting the gap between the upper roller and the lower roller to obtain a plate with a target thickness; s2: starting a roller surface heating unit to enable the roller surface temperature to reach a preset temperature; s3: starting a roller system vibration unit, and setting vibration frequency, vibration amplitude and vibration waveform to drive the lower roller to horizontally vibrate on the heavy-duty linear bearing; s4: the TiAl alloy plate heated to the rolling temperature is sent into a roller gap and is bitten by a roller, the TiAl alloy plate is rolled, a lower roller system in the gap horizontally vibrates, a reciprocating rubbing effect is formed on the rolled TiAl alloy plate, and a bidirectional shearing force is applied to the rolled TiAl alloy plate.
In general, compared with the prior art, the isothermal vibration auxiliary rolling device for preparing the TiAl alloy plate and the rolling method thereof mainly have the following beneficial effects:
1. according to the method, the thermoplastic forming capacity of the TiAl alloy can be improved through vibration and the reciprocating rubbing and rolling effect brought by the vibration, the stress distribution of a rolling plastic deformation area is changed, so that the risk of crack initiation of materials in the rolling process is effectively reduced, the dynamic recrystallization degree in the deformation process is effectively improved through the vibration, the grains are refined, and the product strip performance is improved.
2. The problem of uneven temperature distribution caused by plate surface temperature drop can be solved through roller surface heating, and generation of cracks is further restrained. The plastic deformation capacity of the TiAl alloy is greatly improved by heating and vibration coupling, stress concentration is avoided, and the alloy plate with uniform performance is obtained.
3. Vibration mode and heating mode are various in this application, can realize different rolling demands through different combination modes to improve the thermoplasticity of TiAl alloy through the mode of technology means rather than adjustment composition, and solve the roll surface temperature simultaneously and fall the problem, thereby realize the preparation of the TiAl alloy panel of various compositions, application scope is wide.
Drawings
FIG. 1 is a front view of an isothermal vibratory auxiliary rolling device for preparing TiAl alloy sheets according to an embodiment of the present application;
FIG. 2 is an oblique view of an isothermal vibratory auxiliary rolling device for preparing TiAl alloy sheets according to an embodiment of the present application.
The same reference numbers are used throughout the drawings to reference like elements or structures, wherein:
a 1-L-shaped frame; 2-upper rollers; 3-lower rollers; 4-heavy-duty linear bearings; 5-a roll system vibration unit; 6, vibrating the guide post by a roller; 7-a rolling mill pressing mechanism; 8-a rolling mill balancing mechanism; 9-a roller surface heating unit; 10-side baffles; 11-cross beam.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The invention provides an isothermal vibration auxiliary rolling device for preparing TiAl alloy plates, which comprises the following structures.
An L-shaped frame 1, the L-shaped frame 1 comprising a vertical portion and a horizontal portion.
The upper roller 2 and the lower roller 3 are opposite in rotation direction, and the upper roller 2 and the lower roller 3 are arranged on the vertical part of the L-shaped frame up and down through bearing blocks. The bearings of the upper roller 2 and the lower roller 3 are matched with shaft sleeves, bearing seats, bearing seat end covers and the like. The bearing pedestal is arranged on the L-shaped frame.
The rolling outlet ends of the upper roller 2 and the lower roller 3 face the horizontal part of the L-shaped rack, and the inlet ends of the upper roller 2 and the lower roller 3 are provided with roller surface heating units 9 so as to heat the roller surfaces of the upper roller 2 and the lower roller 3, thereby reducing the temperature reduction of the plate caused by heat exchange between the roller surfaces and the plate in the rolling process.
The bearing seat of the lower roller 3 is arranged on a linear heavy-duty bearing 4, the linear heavy-duty bearing 4 is arranged at the lower part of the L-shaped frame, the heavy-duty linear bearing 4 is arranged below the bearing seat of the lower roller shaft and is fixed on the inner side frame of the L-shaped frame, and the friction between the bearing seat of the lower roller and the L-shaped frame in a vibration state is reduced.
The roller system vibration unit 5 is located at the horizontal part of the L-shaped frame and connected with the bearing seat of the lower roller to drive the lower roller 3 to vibrate back and forth in the horizontal plane.
In a further preferred embodiment, the roller vibration unit 5 further includes a plurality of roller vibration guide posts 6, the vibration table of the roller vibration unit 5 is fixed on the bearing seat of the lower roller, one end of the roller vibration guide post 6 is fixed on the bearing seat or the vibration table of the lower roller, and the other end is fixed on the horizontal part of the L-shaped frame or the substrate of the roller vibration unit 5, and is parallel to the rolling direction, so as to avoid unbalanced load under the vibration condition.
In a further preferred scheme, the device also comprises a rolling mill pressing mechanism 7 and a rolling mill balancing mechanism 8, wherein the rolling mill pressing mechanism 7 is connected with the upper roller 2 so as to drive the upper roller 2 to perform pressing action, the upper end of the rolling mill balancing mechanism 8 is fixed on a cross beam 11 of the L-shaped frame 1, and the lower end of the rolling mill balancing mechanism 8 is connected with the upper roller 2 so as to lift the upper roller 2 to keep the upper roller 2 in contact with the rolling mill pressing mechanism 7 all the time.
The apparatus further includes a support roller, which may be provided at the front and/or rear of the upper and lower rolls.
The device also comprises a side baffle 10, wherein the side baffle 10 is fixed on the outer side surface of the L-shaped frame, the inner plane of the side baffle is positioned on the same plane with the outer side surface of the L-shaped frame, and the bearing blocks of the upper roller 2 and the lower roller 3 are prevented from being separated from the frame of the L-shaped frame 1 in the vibration process.
In a further preferred embodiment, the vibration application mode of the roller system vibration unit 5 is vibration caused by an eccentric mechanism, vibration caused by driving of a hydraulic mechanism or vibration caused by magnetic attraction-ejection, and the like, the vibration frequency regulation and control interval is 0-3000 Hz, the vibration amplitude regulation and control interval is 0-2 mm, and the vibration waveform is in a sine form, a half sine form, a square form, a pulse form, or the like.
In a further preferred embodiment, the roller surface heating unit 9 includes a heating module, where the heating mode of the heating module is one or more of electromagnetic induction heating, resistance wire heating, silicon carbide rod heating, or silicon molybdenum rod heating, and is not limited to the above manner. The roller surface heating unit 9 further comprises a temperature measuring module and a control module, wherein the temperature measuring module is used for detecting the temperature of the roller surface and feeding the temperature back to the control module, and the control module controls the heating temperature of the heating module according to the temperature.
In a further preferred solution, the two end shaft heads of the upper roller 2 and the lower roller 3 are provided with cooling devices, so as to avoid the temperature from being transferred from the roller surface to the shaft heads and the bearings assembled at the shaft head positions to be blocked.
In a further preferred embodiment, the apparatus further comprises a plate thickness monitoring system for monitoring the plate thickness and adjusting the gap between the upper roll 2 and the lower roll 3, specifically the width of the rolling gap by the rolling mill reduction mechanism 7, so as to avoid the plate thickness error caused by the expansion of the roll surface due to heating.
In another aspect, the present application provides a rolling method of the isothermal vibration assisted rolling device for preparing a TiAl alloy sheet, the method comprising the following steps S1 to S4, wherein:
s1: adjusting the gap between the upper roll 2 and the lower roll 3 to obtain a plate of a target thickness;
s2: the roller surface heating unit 9 is started to enable the roller surface temperature to reach a preset temperature;
s3: starting a roller system vibration unit 5, and setting vibration frequency, vibration amplitude and vibration waveform to drive the lower roller 3 to horizontally vibrate on the heavy-duty linear bearing 4;
s4: the TiAl alloy plate heated to the rolling temperature is sent into a roller gap and is bitten by a roller, the TiAl alloy plate is rolled, a roller system 4 positioned at the lower position between the roller system and the roller gap horizontally vibrates, a reciprocating rubbing effect is formed on the rolled TiAl alloy plate, and a bidirectional shearing force is applied to the rolled TiAl alloy plate.
Examples
The rolling material is TiAl alloy with the composition of Ti-43A1-9V-0.1Y prepared by a powder metallurgy method. The size of the ingot blank before shaping is 15mm thick, 500mm wide and the target size of shaping is 5mm thick sheet. In the embodiment, a two-high rolling mill is selected as a rolling mill mode, the sizes of the upper roller 2 and the lower roller 3 are 500mm in roller diameter and 600mm in roller width, and vibration caused by an eccentric mechanism is selected as a vibration application mode of the roller system vibration unit 5, and the vibration waveform is in a sine mode. The heating mode of the roller surface heating unit 9 is electromagnetic induction heating, and cooling water is filled in shaft heads at two sides of the rollers in the upper roller 2 and the lower roller 3. And a plate thickness monitoring system is additionally arranged at the outlet position of the rolling mill plate.
The position of the upper roll 2 was adjusted by the rolling mill reduction mechanism 7 to adjust the roll gap to 5mm. And starting a roller transmission motor to enable the roller to rotate at the rotation speed of 25m/min. And (3) opening cooling water valves, and introducing cooling water to shaft heads at two sides of the rollers in the upper roller 2 and the lower roller 3. The roll surface heating unit 9 was turned on to heat the roll surface to 500 ℃. The vibration unit 5 of the roller system is started, the vibration frequency is set to be 25Hz, the vibration amplitude is 0.1mm, and the lower roller 3 is driven by the vibration unit 5 of the roller system to vibrate in the horizontal direction on the heavy-duty linear bearing 4. The TiAl alloy plate heated to 1000 ℃ is sent into a roll gap of a roll, is bitten by the roll, rolls the TiAl alloy plate, horizontally vibrates under the lower roll 3, forms a reciprocating rubbing effect on the rolled TiAl alloy plate, and applies bidirectional shearing force to the rolled TiAl alloy plate. The thickness of the rolled plate is 4.92mm due to the thermal expansion of the roller generated by heating the roller surface, plate thickness data are collected by a plate thickness monitoring system positioned at a rolling outlet and fed back to a rolling mill pressing mechanism 7, the top of the rolling mill pressing mechanism moves up by 0.08mm, and a rolling mill balancing mechanism 8 drives an upper roller 2 to synchronously move up by 0.08mm, so that the plate thickness is returned to 5mm again until the rolling of the plate is completed.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. An isothermal vibration assisted rolling device for preparing a TiAl alloy sheet, the device comprising:
an L-shaped frame (1);
an upper roller (2) and a lower roller (3) with opposite rotation directions, wherein the upper roller (2) and the lower roller (3) are arranged on the vertical part of the L-shaped rack (1) up and down through bearing blocks, and the outlet ends of the upper roller (2) and the lower roller (3) face the horizontal part of the L-shaped rack (1); the inlet ends of the upper roller (2) and the lower roller (3) are respectively provided with a roller surface heating unit (9), a bearing seat of the lower roller (3) is arranged on a heavy-load linear bearing (4), and the heavy-load linear bearing (4) is arranged at the lower part of the L-shaped frame (1);
the roller system vibration unit (5) is positioned at the horizontal part of the L-shaped rack (1) and is connected with the bearing seat of the lower roller (3) so as to drive the lower roller (3) to vibrate back and forth in a horizontal plane;
the roller system vibration unit (5) further comprises a plurality of roller vibration guide posts (6), the vibration table of the roller system vibration unit (5) is fixed on the bearing seat of the lower roller, one end of the roller vibration guide post (6) is fixed on the bearing seat or the vibration table of the lower roller, and the other end of the roller vibration guide post is fixed on the horizontal part of the L-shaped frame (1) or the substrate of the roller system vibration unit (5) and is parallel to the rolling direction.
2. Isothermal vibration assisted rolling device according to claim 1, characterized in that the two end heads of the upper roll (2) and the lower roll (3) are provided with cooling means to avoid bearing seizing caused by the temperature of the roll surface being transferred to the heads.
3. Isothermal vibration assisted rolling device according to claim 1, characterized in that it further comprises a rolling mill reduction mechanism (7) and a rolling mill balancing mechanism (8), the rolling mill reduction mechanism (7) being connected to the upper roll (2) for driving the upper roll (2) to perform a reduction action, the rolling mill balancing mechanism (8) being fixed at its upper end to the cross beam of the L-shaped frame (1) and at its lower end to the upper roll (2) for lifting the upper roll (2) for keeping the upper roll (2) in contact with the rolling mill reduction mechanism (7) at all times.
4. Isothermal vibration assisted rolling device according to claim 1 or 2, characterized in that the vibration application mode of the roller system vibration unit (5) is vibration caused by an eccentric mechanism, vibration driven by a hydraulic mechanism or vibration caused by magnetic attraction-ejection, the vibration frequency regulation and control interval is 0-3000 Hz, the vibration amplitude regulation and control interval is 0-2 mm, and the vibration waveform is in a sine form, a half sine form, a square form or a pulse form.
5. Isothermal vibration assisted rolling device according to claim 1, characterized in that the roll surface heating unit (9) comprises a heating module in the form of one or more of electromagnetic induction heating, resistance wire heating, silicon carbide rod heating or silicon molybdenum rod heating.
6. Isothermal vibration assisted rolling device according to claim 5, characterized in that the roll surface heating unit (9) further comprises a temperature measuring module for detecting the temperature of the roll surface and feeding back the temperature to the control module, which controls the heating temperature of the heating module depending on the temperature.
7. An isothermal vibration assisted rolling device according to claim 1 or 3, characterized in that the device further comprises a plate thickness monitoring system for monitoring the plate thickness and adjusting the gap between the upper roll (2) and the lower roll (3).
8. A rolling method of the isothermal vibration assisted rolling device for preparing TiAl alloy sheet material according to any one of claims 1 to 7, characterized in that the method comprises:
s1: adjusting the gap between the upper roller (2) and the lower roller (3) to obtain a plate with a target thickness;
s2: starting a roller surface heating unit (9) to enable the roller surface temperature to reach a preset temperature;
s3: starting a roller system vibration unit (5), and setting vibration frequency, vibration amplitude and vibration waveform to drive the lower roller (3) to horizontally vibrate on the heavy-duty linear bearing (4);
s4: the TiAl alloy plate heated to the rolling temperature is sent into a roller gap and is bitten by a roller, the TiAl alloy plate is rolled, a lower roller system in the gap horizontally vibrates, a reciprocating rubbing effect is formed on the rolled TiAl alloy plate, and a bidirectional shearing force is applied to the rolled TiAl alloy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211351490.0A CN115625207B (en) | 2022-10-31 | 2022-10-31 | Isothermal vibration auxiliary rolling device for preparing TiAl alloy plate and rolling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211351490.0A CN115625207B (en) | 2022-10-31 | 2022-10-31 | Isothermal vibration auxiliary rolling device for preparing TiAl alloy plate and rolling method thereof |
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| Publication Number | Publication Date |
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| CN115625207A CN115625207A (en) | 2023-01-20 |
| CN115625207B true CN115625207B (en) | 2024-03-19 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3096672A (en) * | 1960-07-28 | 1963-07-09 | Aeroprojects Inc | Vibrating roll and method |
| CN101181719A (en) * | 2007-12-07 | 2008-05-21 | 燕山大学 | Oscillatory type double roll strip casting mill |
| CN106475417A (en) * | 2015-08-28 | 2017-03-08 | 宝山钢铁股份有限公司 | A kind of device and method for being heated to roll |
| CN106825044A (en) * | 2017-03-27 | 2017-06-13 | 北京国网富达科技发展有限责任公司 | A kind of TiAl alloy plate hot rolling device and hot-rolling method |
| CN112642861A (en) * | 2020-12-30 | 2021-04-13 | 飞马智科信息技术股份有限公司 | Control method for roll gap position and upper roll balance of roll system |
| CN113787095A (en) * | 2021-09-03 | 2021-12-14 | 太原理工大学 | Metal composite plate rolling device capable of applying horizontal vibration |
| CN114082787A (en) * | 2021-11-18 | 2022-02-25 | 燕山大学 | Roller end temperature control device and method based on semiconductor refrigeration principle |
-
2022
- 2022-10-31 CN CN202211351490.0A patent/CN115625207B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3096672A (en) * | 1960-07-28 | 1963-07-09 | Aeroprojects Inc | Vibrating roll and method |
| CN101181719A (en) * | 2007-12-07 | 2008-05-21 | 燕山大学 | Oscillatory type double roll strip casting mill |
| CN106475417A (en) * | 2015-08-28 | 2017-03-08 | 宝山钢铁股份有限公司 | A kind of device and method for being heated to roll |
| CN106825044A (en) * | 2017-03-27 | 2017-06-13 | 北京国网富达科技发展有限责任公司 | A kind of TiAl alloy plate hot rolling device and hot-rolling method |
| CN112642861A (en) * | 2020-12-30 | 2021-04-13 | 飞马智科信息技术股份有限公司 | Control method for roll gap position and upper roll balance of roll system |
| CN113787095A (en) * | 2021-09-03 | 2021-12-14 | 太原理工大学 | Metal composite plate rolling device capable of applying horizontal vibration |
| CN114082787A (en) * | 2021-11-18 | 2022-02-25 | 燕山大学 | Roller end temperature control device and method based on semiconductor refrigeration principle |
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