CN108506344A - A kind of magnetic fluid sliding bearing - Google Patents
A kind of magnetic fluid sliding bearing Download PDFInfo
- Publication number
- CN108506344A CN108506344A CN201810312388.7A CN201810312388A CN108506344A CN 108506344 A CN108506344 A CN 108506344A CN 201810312388 A CN201810312388 A CN 201810312388A CN 108506344 A CN108506344 A CN 108506344A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- coil
- cylinder barrel
- conductive axis
- sliding bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/0633—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being retained in a gap
- F16C32/0637—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being retained in a gap by a magnetic field, e.g. ferrofluid bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2270/00—Controlling
- F16N2270/50—Condition
- F16N2270/52—Viscosity
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
Abstract
A kind of magnetic fluid sliding bearing, belongs to field of bearings, including magnetic conductive axis and the seal casinghousing that is coaxially set on magnetic conductive axis, is additionally provided in seal casinghousing：Coil cylinder barrel, it is coaxial with magnetic conductive axis and adjacent；Coil rack, coaxial with magnetic conductive axis, outer ring is fixed in the madial wall of coil cylinder barrel；A circle excitation coil is wound on coil rack；Short-range missile magnetic sleeve and long magnetic conduction cylinder barrel；Magnetorheological fluid deflector hole is used to inject magnetic fluid into seal casinghousing；And it is also filled with magnetic fluid in the gap between coil cylinder barrel, coil rack and magnetic conductive axis；Magnetic conductive axis is rotated relative to coil cylinder barrel, coil rack, after excitation coil power supply, generates axial magnetic field, magnetic induction line passes perpendicularly through magnetic fluid and enters short-range missile magnetic sleeve；Enter magnetic conductive axis one closed circuit of formation by passing perpendicularly through magnetic fluid after short-range missile magnetic sleeve again.The magnetic field of the magnetic fluid sliding bearing of the present invention is non-uniform magnetic field, so as to so that the different location on magnetic conductive axis has different ability to bears.
Description
Technical field
The present invention relates to field of bearings, and in particular to a kind of magnetic fluid sliding axle controllable for the damping in machine driving
It holds.
Background technology
In actual use, the power carried needed for the different piece of bearing sometimes is different, but prior art axis
The bearing capacity for holding each section be it is identical, this allow for a certain of bearing partially due to the carrying of long-term excess load and damage, into
And shorten the service life of entire bearing.
Invention content
The object of the present invention is to provide a kind of magnetic fluid sliding bearing, with solve certain part of prior art middle (center) bearing by
The problem of carrying and damage in long-term excess load, and then shortening the service life of entire bearing；Magnetic fluid sliding is also solved simultaneously
The sealing problem of bearing.
Technical scheme is as follows：A kind of magnetic fluid sliding bearing, it is characterised in that：Including a magnetic conductive axis and coaxially
The seal casinghousing being set on magnetic conductive axis is additionally provided in the seal casinghousing：Coil cylinder barrel, it is coaxial with the magnetic conductive axis,
And it is adjacent with the magnetic conductive axis；Coil rack, coaxial with the magnetic conductive axis, the coil rack outer ring is fixed on the coil
In the madial wall of cylinder barrel；It is wound with excitation coil on the coil rack so that the excitation coil is enclosed around the magnetic conductive axis one
Setting；Short-range missile magnetic sleeve and long magnetic conduction cylinder barrel, the short-range missile magnetic sleeve is adjacent with the one side of coil cylinder barrel, the coil
The another side and outer ring of cylinder barrel are adjacent with the long magnetic conduction cylinder barrel, and the short-range missile magnetic sleeve is connected with the magnetic conductive axis；Magnetic
Rheology liquid deflector hole is the stepped hole being opened on long magnetic conduction cylinder barrel, close to the magnetic conductive axis side diameter it is small, be used for
Magnetic fluid is injected in seal casinghousing；And it is also filled in the gap between the coil cylinder barrel, the coil rack and the magnetic conductive axis
There is magnetic fluid；The magnetic conductive axis is rotated relative to the coil cylinder barrel, coil rack, after the excitation coil power supply, generates axis
To magnetic field, magnetic induction line passes perpendicularly through magnetic fluid and enters short-range missile magnetic sleeve；By after short-range missile magnetic sleeve again pass perpendicularly through magnetic fluid into
Enter magnetic conductive axis and forms a closed circuit.
Seal casinghousing both sides outer end face is provided with bearing (ball) cover, and the bearing (ball) cover passes through spiral shell with the seal casinghousing
Bolt is detachably connected.
Sealing structure is additionally provided in the seal casinghousing, the sealing structure includes two FB type lip-shaped sealed rings, institute
It states two FB types lip-shaped sealed rings to be coaxially set on magnetic conductive axis, medial surface is adjacent with the magnetic conductive axis；One FB type lip
Type sealing ring is arranged between a bearing (ball) cover and the short-range missile magnetic sleeve, lateral surface and the long magnetic conduction cylinder barrel phase
Neighbour, another FB type lip-shaped sealed ring are arranged between another described bearing (ball) cover and the long magnetic conduction cylinder barrel.
The making material of the FB types lip-shaped sealed ring is polytetrafluoroethylene (PTFE).
Sealing ring gasket is set between the FB types lip-shaped sealed ring and the short-range missile magnetic sleeve.
Wire guide is additionally provided in the seal casinghousing, the wire guide passes through seal casinghousing, is opened in the long magnetic guiding jar
On cylinder, and L-shaped cabling, the wire guide corresponding with the coil rack in the upright position of the long magnetic conduction cylinder barrel
For realizing the connection of the excitation coil and external power supply.
The coil cylinder barrel and the short-range missile magnetic sleeve, are connected through a screw thread.
The outer ring of the magnetic conductive axis is provided with eddy current sensor.
The magnetic fluid sliding bearing is connect with the plain bearing housing.
The magnetic circuit of the magnetic fluid sliding bearing is internal magnetic type magnetic circuit.
It is compared with the prior art, beneficial effects of the present invention are as follows：
First, a kind of magnetic fluid sliding bearing of the invention uses magnetorheological fluid to replace traditional lubricating oil, passes through
Apply externally-applied magnetic field to carry out effectively active control to its lubricating film, it is big to adjust damping by changing the size of externally-applied magnetic field
It is small.When the bearing load changes greatly, the size of electric current is adjusted, so that the size that coil generates magnetic field is changed correspondingly, in turn
Change the viscosity of magnetorheological fluid, viscosity, which becomes larger, offsets impact caused by load, and grinding for controllable sliding bearing is damped to realize
System.
Second, the design of sealing, the present invention devises a kind of forge piece of step type structure, is used for controllable damping magnetic fluid sliding bearing
Sealing, change the direction of sealing leak, so that it is become radial from longitudinal, while selecting benefit of the lip-type seal as Fluid Sealing
It fills.
Third, of the invention proposes a kind of novel internal magnetic type magnetic circuit for magnetic fluid sliding bearing, the magnetic circuit
Trend is easy to be guided, and then can play the performance of magnetic circuit completely.
4th, the Magnetic field inhomogeneity of magnetic fluid sliding bearing of the invention, so as to so that different location on magnetic conductive axis
There is different ability to bears.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of magnetic fluid sliding bearing.
Fig. 2 is a kind of magnetic Circuit Design figure of magnetic fluid sliding bearing.
Wherein：1- plain bearing housings, 2- bearing (ball) covers, 3-FB lip-shaped sealed rings, 4- sealing rings gasket, 5- short-range missile magnetosheaths
Cylinder, 6- coil gaskets, 7- wire guides, 8- coil racks, 9- magnetorheological fluids deflector hole, 10- long magnetic conductions cylinder barrel, 11- magnetic conductive axis.
Specific implementation mode
Referring to Fig.1, the present invention provides a kind of magnetic fluid sliding bearing, including bearing (ball) cover 2 and seal casinghousing, capsuls
In vivo containing magnetorheological fluid deflector hole 9, coil cylinder barrel, coil rack 8, wire guide 7, FB types lip-shaped sealed ring 3, sealing ring gasket
4, magnetic conductive axis 11, short-range missile magnetic sleeve 5, excitation coil, long magnetic conduction cylinder barrel 10, standard bolt etc..
Coil cylinder barrel, it is coaxial with the magnetic conductive axis 11 and adjacent with the magnetic conductive axis 11；Coil rack 8, and it is described
Magnetic conductive axis 11 is coaxial, and 8 outer ring of the coil rack is fixed in the madial wall of the coil cylinder barrel；It is twined on the coil rack 8
It is wound with excitation coil so that the excitation coil is enclosed around the magnetic conductive axis 11 1 to be arranged.
Short-range missile magnetic sleeve 5 and long magnetic conduction cylinder barrel 10, the short-range missile magnetic sleeve 5 is adjacent with the one side of coil cylinder barrel,
The another side and outer ring of the coil cylinder barrel are adjacent with the long magnetic conduction cylinder barrel 10, and the short-range missile magnetic sleeve 5 is led with described
Magnetic axis 11 is connected.
It is provided with magnetorheological fluid deflector hole 9 on long magnetic conduction cylinder barrel 10.It is stepped hole, close to the side of the magnetic conductive axis 11
Diameter is small, is used to inject magnetic fluid into seal casinghousing；And the coil cylinder barrel, the coil rack 8 and the magnetic conductive axis
It is also filled with magnetic fluid in gap between 11.
8 side of coil rack is short-range missile magnetic sleeve 5, and external screw thread is matched with 5 threaded hole of short-range missile magnetic sleeve screw-in on shell thereon
It closes；In whole work process, plain bearing housing 1 is fixed, and internal other parts are all fixed in addition to magnetic conductive axis 11.Magnetic conductive axis 11
It is rotated relative to coil rack 8 and other component, the rotating speed of magnetic conductive axis is by AC Serve Motor Controls.
Wire guide 7 is provided on long magnetic conduction cylinder barrel 10, specific wire guide 7 sequentially passes through shell, L-shaped cabling.Coil
It is wrapped over copper coil on skeleton 8, the conducting wire for winding completion is pierced by by wire guide 7, the insulation colloid covering of conducting wire exposed portion,
The other end of conducting wire is connect with packaged type adjustable type power supply, is powered to excitation coil by power supply, the size and electric current of voltage
Size can intuitively reflect, facilitate record with adjust.
Bearing (ball) cover 2 is detachably connected with long magnetic conduction cylinder barrel 10 (seal casinghousing) by bolt at both ends.
Sealing structure has long magnetic conduction cylinder barrel 10 and 11 coaxial mounted FB types lip-type packing 3 of magnetic conductive axis, short-range missile magnetic sleeve
5, coil rack 8.These parts constitute the confined space of an accommodating fluid with bearing (ball) cover 2；
Two FB types lip-shaped sealed rings 3 are coaxially set on magnetic conductive axis 11, and medial surface is adjacent with the magnetic conductive axis 11；
One FB types lip-shaped sealed ring 3 is arranged between a bearing (ball) cover 2 and the short-range missile magnetic sleeve 5, lateral surface and institute
It is adjacent to state long magnetic conduction cylinder barrel 10, another FB types lip-shaped sealed ring 3 is arranged in another described bearing (ball) cover 2 and the long magnetic conduction
Between cylinder barrel 10.The making material of the FB types lip-shaped sealed ring is preferably polytetrafluoroethylene (PTFE), or rubber or leather.
Sealing ring gasket 4 is set between the FB types lip-shaped sealed ring 3 and the short-range missile magnetic sleeve 5.On the one hand, with short-range missile magnetic sleeve
5 precession can generate pressure, to be pressed together on the wall on the right to the coil rack 8 on the right；On the other hand, short-range missile magnetic
The left side of sleeve 5 is bonded with lip-shaped sealed ring 3, this FB types lip-shaped sealed ring 3 can effectively prevent the leakage of magnetorheological fluid.This
The sealing structure of embodiment has changed the direction for becoming sealing leak, it is made to become radial from longitudinal.
The magnetic fluid is a kind of novel functional material, its not only mobility with liquid but also with solid magnetic material
The magnetism of material.It is the magnetic retention particle, base load liquid (being also medium) and boundary by a diameter of nanometer scale (10 nanometers or less)
A kind of colloidal liquid for stabilization that face activating agent three mixes.
The magnetic fluid sliding bearing is connect with the plain bearing housing 1.
The magnetic conductive axis 11 is rotated relative to the coil cylinder barrel, coil rack 8, after the excitation coil power supply, is generated
Axial magnetic field, magnetic induction line pass perpendicularly through magnetic fluid and enter short-range missile magnetic sleeve 5；By passing perpendicularly through magnetic current again after short-range missile magnetic sleeve 5
Body enters magnetic conductive axis 11 and forms a closed circuit.
In the example of the present invention, the magnetic Circuit Design of magnetic fluid sliding bearing, which is also part and parcel, an electromagnetic circuit, is
Finger passes to exciting current by excitation coil and generates a magnetic field, and the magnetic field of generation is formed magnetizing there are the medium in coil
Electromagnetic circuit.Since magnetic fluid magnetic saturation intensity is low, this example uses internal magnetic type magnetic circuit.One advantage of internal magnetic type magnetic circuit
It is the trend for being easy guiding magnetic circuit, to make the performance of magnetic circuit bring into play completely.Excitation coil is fixed on bearing block, axis
Be conducive to coil energization when high speed rotation.Consider quality, is designed to magnetic circuit as shown in Figure 2.
11 both ends of the magnetic conductive axis are stretched out, and being connected with electric machine main shaft by shaft coupling facilitates the performance for carrying out next step to survey
Examination.
There are two electric vortex type displacement sensors on the magnetic conductive axis 11, for testing the vibration displacement of magnetic conductive axis 11 simultaneously
Collect data.
The Magnetic field inhomogeneity of the magnetic fluid sliding bearing of the present invention, so as to so that the different location on magnetic conductive axis is different
Ability to bear, so as to avoid the long-term excess load carrying of certain part and caused by bearing damage.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation includes within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of magnetic fluid sliding bearing, it is characterised in that：Including a magnetic conductive axis and the capsul being coaxially set on magnetic conductive axis
Body is additionally provided in the seal casinghousing：
Coil cylinder barrel, it is coaxial with the magnetic conductive axis and adjacent with the magnetic conductive axis；
Coil rack, coaxial with the magnetic conductive axis, the coil rack outer ring is fixed in the madial wall of the coil cylinder barrel；
Excitation coil is wound on the coil rack, the excitation coil is enclosed around the magnetic conductive axis one to be arranged；
Short-range missile magnetic sleeve and long magnetic conduction cylinder barrel, the short-range missile magnetic sleeve is adjacent with the one side of coil cylinder barrel, the coil
The another side and outer ring of cylinder barrel are adjacent with the long magnetic conduction cylinder barrel, and the short-range missile magnetic sleeve is connected with the magnetic conductive axis；
Magnetorheological fluid deflector hole is the stepped hole being opened on long magnetic conduction cylinder barrel, and the side diameter close to the magnetic conductive axis is small,
For injecting magnetic fluid into seal casinghousing；And the gap between the coil cylinder barrel, the coil rack and the magnetic conductive axis
Inside it is also filled with magnetic fluid；
The magnetic conductive axis is rotated relative to the coil cylinder barrel, coil rack, after the excitation coil power supply, generates axial magnetic
, magnetic induction line passes perpendicularly through magnetic fluid and enters short-range missile magnetic sleeve；It is led by passing perpendicularly through magnetic fluid entrance after short-range missile magnetic sleeve again
Magnetic axis forms a closed circuit.
2. magnetic fluid sliding bearing according to claim 1, it is characterised in that：Seal casinghousing both sides outer end face setting
There are bearing (ball) cover, the bearing (ball) cover to be detachably connected by bolt with the seal casinghousing.
3. magnetic fluid sliding bearing according to claim 2, it is characterised in that：Sealing is additionally provided in the seal casinghousing
Structure, the sealing structure include two FB type lip-shaped sealed rings, and described two FB types lip-shaped sealed rings, which are coaxially set in, leads
On magnetic axis, medial surface is adjacent with the magnetic conductive axis；One FB type lip-shaped sealed ring is arranged in a bearing (ball) cover and institute
Between stating short-range missile magnetic sleeve, lateral surface is adjacent with the long magnetic conduction cylinder barrel, another FB type lip-shaped sealed ring is arranged another
Between a bearing (ball) cover and the long magnetic conduction cylinder barrel.
4. magnetic fluid sliding bearing according to claim 3, it is characterised in that：The making material of the FB types lip-shaped sealed ring
Material is polytetrafluoroethylene (PTFE).
5. magnetic fluid sliding bearing according to claim 4, it is characterised in that：The FB types lip-shaped sealed ring with it is described short
Sealing ring gasket is set between magnetic conduction sleeve.
6. magnetic fluid sliding bearing according to claim 5, it is characterised in that：It is additionally provided with conducting wire in the seal casinghousing
Hole, the wire guide pass through seal casinghousing, are opened on the long magnetic conduction cylinder barrel, and L-shaped cabling, in the long magnetic conduction cylinder barrel
Upright position it is corresponding with the coil rack, the wire guide for realizing the excitation coil and external power supply company
It connects.
7. magnetic fluid sliding bearing according to claim 6, it is characterised in that：The coil cylinder barrel and the short-range missile magnetosheath
Cylinder, is connected through a screw thread.
8. magnetic fluid sliding bearing according to claim 7, it is characterised in that：The outer ring of the magnetic conductive axis is provided with electric whirlpool
Streaming sensor.
9. magnetic fluid sliding bearing according to claim 8, it is characterised in that：The magnetic fluid sliding bearing and the cunning
Moving axis bearing connects.
10. magnetic fluid sliding bearing according to claim 9, it is characterised in that：The magnetic circuit of the magnetic fluid sliding bearing
For internal magnetic type magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312388.7A CN108506344A (en) | 2018-04-09 | 2018-04-09 | A kind of magnetic fluid sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312388.7A CN108506344A (en) | 2018-04-09 | 2018-04-09 | A kind of magnetic fluid sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506344A true CN108506344A (en) | 2018-09-07 |
Family
ID=63381051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810312388.7A Pending CN108506344A (en) | 2018-04-09 | 2018-04-09 | A kind of magnetic fluid sliding bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594288A (en) * | 2019-09-29 | 2019-12-20 | 中国矿业大学 | Magnetic control flexible tile thrust sliding bearing based on nano magnetic liquid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09133135A (en) * | 1995-11-08 | 1997-05-20 | Sankyo Seiki Mfg Co Ltd | Dynamic pressure bearing device and manufacture thereof |
| CN203362831U (en) * | 2013-06-25 | 2013-12-25 | 安阳市福沃德机械有限责任公司 | High-speed hydrostatic-dynamic permanent magnet electric spindle |
| US20140072250A1 (en) * | 2012-09-12 | 2014-03-13 | Aktiebolaget Skf | Bearing assembly, fan, and method for guiding a shaft |
| CN106678177A (en) * | 2017-01-05 | 2017-05-17 | 上海应用技术大学 | Controllable compound damping and active vibration reducing magnetofluid bearing |
| CN106969033A (en) * | 2017-04-21 | 2017-07-21 | 燕山大学 | A kind of journal bearing of the dual suspension of electromagnetism static pressure |
-
2018
- 2018-04-09 CN CN201810312388.7A patent/CN108506344A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09133135A (en) * | 1995-11-08 | 1997-05-20 | Sankyo Seiki Mfg Co Ltd | Dynamic pressure bearing device and manufacture thereof |
| US20140072250A1 (en) * | 2012-09-12 | 2014-03-13 | Aktiebolaget Skf | Bearing assembly, fan, and method for guiding a shaft |
| CN203362831U (en) * | 2013-06-25 | 2013-12-25 | 安阳市福沃德机械有限责任公司 | High-speed hydrostatic-dynamic permanent magnet electric spindle |
| CN106678177A (en) * | 2017-01-05 | 2017-05-17 | 上海应用技术大学 | Controllable compound damping and active vibration reducing magnetofluid bearing |
| CN106969033A (en) * | 2017-04-21 | 2017-07-21 | 燕山大学 | A kind of journal bearing of the dual suspension of electromagnetism static pressure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594288A (en) * | 2019-09-29 | 2019-12-20 | 中国矿业大学 | Magnetic control flexible tile thrust sliding bearing based on nano magnetic liquid |
| CN110594288B (en) * | 2019-09-29 | 2024-03-08 | 中国矿业大学 | Magnetic control flexible tile thrust sliding bearing based on nano magnetic liquid |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180907 |