CN112837882A - Magnetorheological gel flexible grinding wheel - Google Patents
Magnetorheological gel flexible grinding wheel Download PDFInfo
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- CN112837882A CN112837882A CN202110015778.XA CN202110015778A CN112837882A CN 112837882 A CN112837882 A CN 112837882A CN 202110015778 A CN202110015778 A CN 202110015778A CN 112837882 A CN112837882 A CN 112837882A
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- magnetorheological
- magnetorheological gel
- grinding
- gel
- grinding wheel
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- 238000000227 grinding Methods 0.000 title claims abstract description 73
- 239000011159 matrix material Substances 0.000 claims abstract description 9
- 239000006249 magnetic particle Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 33
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 16
- 239000004359 castor oil Substances 0.000 claims description 16
- 235000019438 castor oil Nutrition 0.000 claims description 16
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 14
- 229920002635 polyurethane Polymers 0.000 claims description 13
- 239000004814 polyurethane Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 10
- 230000005284 excitation Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000004014 plasticizer Substances 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 18
- 239000013078 crystal Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 11
- 229910052759 nickel Inorganic materials 0.000 abstract description 9
- 229910000601 superalloy Inorganic materials 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000006866 deterioration Effects 0.000 abstract description 3
- 239000000499 gel Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 11
- 239000004970 Chain extender Substances 0.000 description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000005498 phthalate group Chemical group 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
- H01F1/447—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
Abstract
The invention discloses a magnetorheological gel flexible grinding wheel, belongs to a new application mode of magnetorheological gel, uses magnetorheological gel with controllable viscoelasticity as a force control medium for grinding of the grinding wheel, and belongs to the field of application and grinding processing of magnetorheological intelligent materials. The magnetorheological gel is composed of a matrix and magnetic particles. The magnetorheological gel flexible grinding wheel comprises a magnetic field generating device, a magnetorheological gel container, a clamping device and a grinding part. The magnetorheological gel flexible grinding wheel provided by the invention can generate a controllable magnetic field along with the change of external current, and the purpose of controlling the grinding force is achieved through the influence of the magnetic field on the magnetorheological gel. The flexible grinding wheel provided by the invention aims to solve the problems of large grinding force, high grinding temperature, large thickness of a grinding deterioration layer and the like in the process of grinding the nickel-based single crystal superalloy.
Description
Technical Field
The invention belongs to the field of grinding processing assisted by intelligent materials and grinding wheel manufacturing, and particularly relates to preparation of polyurethane magnetorheological gel and design of a magnetorheological gel flexible grinding wheel.
Background
The nickel-based single crystal superalloy has more excellent high-temperature creep and fatigue properties compared with the traditional superalloy, and has become a key material for manufacturing the turbine blade of the aerospace engine in recent years. At present, the nickel-based single crystal blade is processed by adopting the traditional manual grinding and abrasive belt grinding and polishing, and has low processing efficiency and poor consistency of processing quality. It is difficult to meet the requirements of high quality and high efficiency of modern industry. However, due to the material particularity, the single crystal blade machined by the existing ultra-precision grinding machining method has the problems of low yield, poor surface quality of a workpiece and difficult machining.
In the process of processing the nickel-based single crystal superalloy by using the traditional grinding technology, the traditional rigid grinding wheel is used for grinding the nickel-based single crystal superalloy, so that the high grinding force is generated, the excessively high grinding temperature is realized, the thickness of a grinding metamorphic layer of the material is large, recrystallization is easy to occur in a high-temperature environment, a crystal boundary is generated, and cracks are easy to generate on the nickel-based single crystal hollow blade with the generated crystal boundary under the service condition.
The magnetorheological material is a novel intelligent material, can generate rapid, continuous and reversible changes under the action of a magnetic field, and can serve as a good force control medium according to the viscoelastic controllable principle.
Therefore, aiming at the defects of the existing rigid grinding method and the viscoelasticity controllable characteristic of the magnetofluid intelligent material, the invention provides the polyurethane magnetorheological gel flexible grinding wheel and the preparation method thereof, which are used for reducing the grinding temperature and the grinding force of the nickel-based single crystal superalloy in the process of grinding the nickel-based single crystal superalloy and reducing the thickness of a grinding deterioration layer of the nickel-based single crystal superalloy.
Disclosure of Invention
The invention provides a magnetorheological gel with high relative magnetorheological effect, good magnetic sensitivity, stable performance and good sedimentation stability, a magnetorheological gel flexible grinding wheel with controllable grinding force and a preparation method thereof. The grinding temperature is too high, and the thickness of a grinding deterioration layer is large.
The invention provides a preparation method of magnetorheological gel, wherein the magnetorheological gel consists of a polyurethane matrix and magnetic particles.
The composition of the magnetorheological gel provided by the invention is further set as follows: the polyurethane matrix is synthesized by mixing 4, 4-diphenylmethane diisocyanate (MDI) and Castor Oil (CO) according to a certain proportion and adding a proper amount of chain extender, plasticizer and catalyst. The magnetic particles are carbonyl iron powder with a certain mass fraction.
Preferably, the molar ratio of MDI to CO is between 3:1 and 2: 1;
the mass fraction of the carbonyl iron powder is preferably 40 to 70 wt%.
The chain extender, the plasticizer and the catalyst during the synthesis of the magnetorheological gel are respectively 1, 4-butanediol, phthalate and stannous octoate.
The invention provides a preparation process of polyurethane magnetorheological gel, which comprises the following process steps:
pouring CO into a 200ml beaker, placing the beaker into a vacuum drying oven, drying the beaker at 110 ℃ for 1 hour, removing excess water for later use, heating the weighed MDI to 80 ℃, dripping the MDI into the CO after the MDI is completely melted, and stirring the mixture in a constant-temperature oil bath box at 80 ℃ for 30 minutes by using a stirrer. Then, a proper amount of chain extender, plasticizer and catalyst are dripped into the beaker, the temperature is kept at 80 ℃ in the whole reaction process, the mechanical stirring speed is moderately increased, and the stirring is carried out for 30 minutes. Then, adding carbonyl iron powder with the mass fraction of 60 wt% into the mixture, properly increasing the rotating speed of a stirrer, stirring for one hour, placing the mixture in a vacuum drying oven with the temperature of 80 ℃ for vacuumizing, placing the mixture for 15 minutes, taking out the mixture, continuing to stir the mixture for 30 minutes, repeating the steps for a plurality of times, and deeply vulcanizing the mixture for 3 days at room temperature to obtain a finished product.
The invention provides a magnetorheological gel flexible grinding wheel which further comprises a magnetorheological gel container, a magnetic field generator, a clamping device and a grinding part.
The magnetorheological gel container includes a base serving as a base; the magnetic conduction plate plays a role in supporting and magnetic conduction; the rubber outer ring is bonded with the grinding part and transmits grinding force; the cavity formed by the three components is filled with magnetic rheological gel.
Preferably, the base is made of resin materials by using a 3D printing technology, and the manufactured finished product has certain rigidity and supporting force and is economical, convenient and quick to manufacture.
Preferably, the rubber outer ring is made of silicone rubber having good oil resistance and high softness.
The magnetic field generator comprises a cylindrical base iron and an excitation coil for generating a magnetic field, and also comprises a metal disc and a magnetic conduction plate.
The metal plate is provided with fine and dense small holes for heat dissipation and a wire inlet and outlet of the excitation coil; in the grinding wheel, the magnetic conduction function is realized, the magnetic leakage is reduced, and the effect of fastening other parts of the grinding wheel is realized under the effect of the clamping device.
Preferably, the magnetic field generator further comprises a rotary electric connector, the rotary electric connector base being connected to the connecting rod for external connection to a power source.
Preferably, the magnetic field generator further comprises a lead, one end of the lead passes through the wire inlet and outlet hole of the metal disc to be connected with the excitation coil, and the other end of the lead is connected with the rotary electric connector to supply power to the excitation coil.
The clamping device mainly comprises a flange plate and a connecting rod, and the magnetorheological gel flexible grinding wheel provided by the invention is connected with the surface grinding machine through the flange plate and is connected with the rotary electric connector through the connecting rod.
The grinding part is mainly ground by using an abrasive belt, and the abrasive belt is adhered to the rubber outer ring of the magnetorheological gel container.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is a half sectional view of the overall structure of the present invention;
FIG. 4 is an overall schematic view of a magnetorheological gel container in accordance with the invention;
FIG. 5 is a cross-sectional view of a magnetorheological gel container in accordance with the invention;
FIG. 6 is a schematic view of a magnetic circuit line according to the present invention;
in the figure: 1. a metal disc; 101. a wire guide hole; 102. heat dissipation holes; 2. a cylindrical base iron; 3. a field coil; 4. a copper sleeve; 5. a copper ring; 6. a magnetorheological gel container; 601. a cavity; 602. a rubber outer ring; 603. a rubber stopper; 604. a magnetic conductive plate; 605. a base; 7. a flange plate; 701. fastening a flange; 702. a flange; 8. fastening a nut; 9. a connecting rod; 10. rotating the electrical connector; 11. an abrasive belt;
Detailed Description
In order to make the technical problems solved by the present invention and the technical solutions adopted in the present invention more clear, the technical solutions of the present invention are further described below by the following detailed description with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative and descriptive of the invention and not restrictive. It should be noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., the connection may be a fixed connection or a removable connection; specific meanings thereof within the present invention will be specifically understood as specific cases by those skilled in the art.
All the preparation raw materials of the invention have no special limitation on the sources, can be purchased in the market or prepared by the personnel skilled in the art, have no special requirements on the purity of the preparation raw materials, and are preferably analytically pure.
The invention provides a magnetorheological gel flexible grinding wheel, which comprises: a magnetic field generator for providing a desired magnetic field; the clamping device is used for connecting the grinding wheel and the surface grinding machine; the magnetorheological gel container is used for containing magnetorheological gel and transmitting grinding force; and a grinding portion for grinding the workpiece.
The magnetic field generator comprises a cylindrical base iron (2), an excitation coil (3), a metal disc (1), a rotary electric connector (10) and a magnetic conduction plate (604). The preferable cylindrical base iron (2) is made of magnetic permeability materials such as soft magnetic ferrite or pure iron; preferably, a connecting port is processed in the center of the cylindrical base iron (2) and is connected with the copper sleeve; the excitation coil (3) is preferably an enameled wire and is wound on the outer circle of the cylindrical base iron (2); the metal plate (1) is preferably low-carbon steel with better magnetic conductivity; preferably, a wire guide hole (101) and a heat dissipation hole (102) for the magnet exciting coil (3) to enter and exit are machined in the metal disc (1).
The rotary electric connector (10) is connected with the magnet exciting coil (3) through a lead and is externally connected with a power supply; the inner ring is connected with the connecting rod (9), and the outer ring does not rotate along with the grinding wheel.
Preferably, the external power supply of the rotary electric connector (10) is a controllable variable power supply, and provides controllable variable current to enable the magnetic field generator to generate a controllable variable magnetic field, and the grinding force is controlled according to the controllable principle of the viscoelasticity of the magnetic fluid.
The connecting rod (9) is connected with the fastening nut (8) and the rotary electric connector (10).
The clamping device comprises a pair of flanges (701) (702) and a fastening screw (8). Preferably, the inner conical surface of the flange plate (702) is attached to the main shaft of the surface grinding machine; preferably, a hole is processed in the fastening nut (8) and is connected with the connecting rod (9).
The magnetorheological gel container (6) comprises a cavity (601) for filling magnetorheological gel; a rubber outer ring (602) connected to the grinding portion for transmitting a grinding force; preferably, the rubber outer ring (602) is made of silica gel with good oil resistance and higher softness; the magnetic conduction plate (604) is used for transmitting the magnetic circuit and playing a supporting role; preferably, the magnetic conductive plate is provided with an injection hole for injecting the polyurethane magnetorheological gel; a rubber stopper (603) for blocking the injection hole; the base (605) is used for supporting the container (6) and is a base of the magnetorheological gel container (6); preferably, the base is made of resin materials and is manufactured by using a 3D printing technology, and the base is convenient, quick and economical.
Preferably, the grinding part is ground by using an abrasive belt, the abrasive belt has good flexibility and can be externally attached to a rubber outer ring; preferably, the abrasive belt is a CBN abrasive belt.
The invention provides magnetorheological gel, which is preferable, and has good magnetorheological effect, good mechanical property and high stability.
The invention provides a magnetorheological gel which is composed of a high-viscosity polymer matrix and magnetic particles.
Preferably, the polymer matrix is polyurethane colloid; preferably, the polyurethane colloid is prepared by the reaction of polyol and isocyanate and the addition of additives; preferably, Castor Oil (CO) is used as the polyol of the present invention, and 4, 4-diphenylmethane diisocyanate (MDI) is used as the isocyanate.
Preferably, the additives are generally chain extenders, plasticizers, catalysts; preferably, the chain extender is 1, 4-butanediol; preferably, the plasticizer is phthalate; preferably, the catalyst is stannous octoate.
Preferably, the magnetic particles are carbonyl iron powder; the carbonyl iron powder preferably has a particle size of 3 to 8 μm, more preferably an average particle size of 4.5. mu.m.
The proportion of the raw materials is not particularly limited, and the mol ratio of CO to MDI is preferably 3:1 to 2: 1; the mass fraction of the carbonyl iron powder is preferably 40 to 70 wt%.
The invention also provides a preparation method of the polyurethane magnetorheological gel, which comprises the following steps:
pouring CO into a 200ml beaker, placing the beaker into a vacuum drying oven, drying the beaker at 110 ℃ for 1 hour, removing excess water for later use, heating the weighed MDI to 80 ℃, dripping the MDI into the CO after the MDI is completely melted, and stirring the mixture in a constant-temperature oil bath box at 80 ℃ for 30 minutes by using a stirrer. Then, a proper amount of chain extender, plasticizer and catalyst are dripped into the beaker, the temperature is kept at 80 ℃ in the whole reaction process, the mechanical stirring speed is moderately increased, and the stirring is carried out for 30 minutes. Then adding carbonyl iron powder into the mixture, properly increasing the rotation speed of a stirrer, stirring for one hour, putting the mixture into a vacuum drying box at 80 ℃, vacuumizing, standing for 15 minutes, taking out, continuing to stir for 30 minutes, repeating for several times, and deeply vulcanizing at room temperature for 3 days to obtain a finished product.
Claims (12)
1. The magnetorheological gel is characterized by comprising a high-viscosity polymer matrix and magnetic particles.
2. The magnetorheological gel of claim 1, wherein the high viscosity polymer matrix is polyurethane and the magnetic particles are carbonyl iron powder.
3. The magnetorheological gel of claim 1, wherein the polyurethane matrix is comprised of 4, 4-diphenylmethane diisocyanate (MDI) and Castor Oil (CO); the magnetic particles are carbonyl iron powder with the average particle size of 4.5 mu m.
4. The magnetorheological gel of claim 1, wherein the polyurethane matrix is synthesized from CO and MDI in a molar ratio of 3:2 at 80 ℃ with heating and stirring and with the addition of a catalyst, a chain agent, and a plasticizer.
5. The magnetorheological gel of claim 1, wherein the carbonyl iron powder is present in the magnetorheological gel in an amount of about 60 wt.%.
6. The magnetorheological gel of claim 1, wherein the ratio of the total amount of the components according to CO: the magnetorheological gel prepared with MDI molar ratio of 3:1 to 2:1 and carbonyl iron particle mass fraction of 40-70 wt% has good mechanical property and good sedimentation stability.
7. The magnetorheological gel flexible grinding wheel is characterized by further comprising: the magnetorheological fluid grinding device comprises a magnetic field generating device, a magnetorheological gel container and a grinding area.
8. The magnetorheological gel flexible grinding wheel according to claim 7, wherein the magnetic field generator comprises a cylindrical base iron, an excitation coil, a metal disc, a magnetic conductive plate, a copper sleeve and a large copper ring.
9. The magnetorheological gel flexible grinding wheel according to claim 7, wherein the magnetorheological gel container comprises a magnetorheological gel filling area, a rubber outer ring, a rubber plug, a magnetic conducting plate and a base.
10. The magnetorheological gel flexible grinding wheel according to claim 7, wherein the grinding zone consists essentially of a CBN sanding belt adhered to a rubber outer ring.
11. The preparation method of the magnetorheological gel flexible grinding wheel is characterized by comprising the following steps:
firstly, processing raw materials for synthesizing polyurethane, heating the raw materials to 110 ℃ by using a vacuum drying oven, removing water possibly existing in CO, and melting solid MDI in the vacuum drying oven at 80 ℃; and then adding CO and MDI (diphenyl-methane-diisocyanate) according to a certain proportion in an 80 ℃ oil bath thermostat, mechanically stirring for half an hour by using a stirrer, adding carbonyl iron powder, properly increasing the rotating speed of the stirrer, stirring for one hour, placing in a vacuum drying oven for vacuumizing, setting the temperature to 80 ℃, placing for 15 minutes, taking out, stirring for 30 minutes, repeating for 3 times, and placing at room temperature for deep vulcanization for 3 days to obtain a finished product.
Two, magnetic field generator's preparation, excitation coil use 0.5 mm's enameled copper line, and cylindrical base iron is encircleed to excitation coil, and the magnetic circuit line moves towards: the magnetic-rheological magnetic.
Preparing a magnetorheological gel container and a grinding area, wherein the magnetorheological gel container is formed by bonding a rubber outer ring, a base and two magnetic conduction plates; the base is tightly attached to the large copper ring, and the CBN abrasive belt with the same size is bonded to the outer rubber ring to serve as a grinding area.
12. The magnetorheological gel flexible grinding wheel is characterized in that the grinding wheel is ground by a grinding area under the magnetic field generated by the magnetic field generating device of claim 7 by using the magnetorheological gel of claim 1; the magnetorheological gel flexible grinding wheel is connected with the main shaft of the high-precision numerical control surface grinding machine through a flange plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015778.XA CN112837882A (en) | 2021-01-07 | 2021-01-07 | Magnetorheological gel flexible grinding wheel |
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| CN202110015778.XA CN112837882A (en) | 2021-01-07 | 2021-01-07 | Magnetorheological gel flexible grinding wheel |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085645A (en) * | 2010-11-17 | 2011-06-08 | 湖南大学 | Method for producing magnetic control sand wheel |
| CN104788938A (en) * | 2015-04-13 | 2015-07-22 | 重庆大学 | High-damping and high-strength magneto-rheological elastomer and preparation method thereof |
| CN105058255A (en) * | 2015-07-07 | 2015-11-18 | 湖南大学 | Device preparing magnetic abrasive particle orderly assigned grinding wheel and grinding wheel preparation method |
| KR20170021948A (en) * | 2015-08-18 | 2017-03-02 | 인하대학교 산학협력단 | Glass edge grinding apparatus by using magneto-rheological fluids |
| CN106863027A (en) * | 2017-04-13 | 2017-06-20 | 南京航空航天大学 | A kind of noncontact rotary ultrasonic wheel grinding device |
| CN110000619A (en) * | 2019-03-12 | 2019-07-12 | 湘潭大学 | Micro- texture flexible abrasive wheel of magnetorheological glue and preparation method thereof and grinding attachment |
| CN110076703A (en) * | 2019-03-12 | 2019-08-02 | 湘潭大学 | A kind of hydraulic grinding wheel of magnetic fluid and its controllable type polishing processing method |
| CN110223816A (en) * | 2019-06-27 | 2019-09-10 | 中国人民解放军陆军勤务学院 | A kind of magnetorheological fluid and preparation method thereof based on magnetic organogel |
-
2021
- 2021-01-07 CN CN202110015778.XA patent/CN112837882A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085645A (en) * | 2010-11-17 | 2011-06-08 | 湖南大学 | Method for producing magnetic control sand wheel |
| CN104788938A (en) * | 2015-04-13 | 2015-07-22 | 重庆大学 | High-damping and high-strength magneto-rheological elastomer and preparation method thereof |
| CN105058255A (en) * | 2015-07-07 | 2015-11-18 | 湖南大学 | Device preparing magnetic abrasive particle orderly assigned grinding wheel and grinding wheel preparation method |
| KR20170021948A (en) * | 2015-08-18 | 2017-03-02 | 인하대학교 산학협력단 | Glass edge grinding apparatus by using magneto-rheological fluids |
| CN106863027A (en) * | 2017-04-13 | 2017-06-20 | 南京航空航天大学 | A kind of noncontact rotary ultrasonic wheel grinding device |
| CN110000619A (en) * | 2019-03-12 | 2019-07-12 | 湘潭大学 | Micro- texture flexible abrasive wheel of magnetorheological glue and preparation method thereof and grinding attachment |
| CN110076703A (en) * | 2019-03-12 | 2019-08-02 | 湘潭大学 | A kind of hydraulic grinding wheel of magnetic fluid and its controllable type polishing processing method |
| CN110223816A (en) * | 2019-06-27 | 2019-09-10 | 中国人民解放军陆军勤务学院 | A kind of magnetorheological fluid and preparation method thereof based on magnetic organogel |
Non-Patent Citations (1)
| Title |
|---|
| 刘术志 等: "聚氨酯基磁流变胶磁控电阻特性研究", 《功能材料》, pages 07066 - 07069 * |
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Application publication date: 20210525 |