CN108150538A - A kind of static pressure cone bearing - Google Patents
A kind of static pressure cone bearing Download PDFInfo
- Publication number
- CN108150538A CN108150538A CN201711402571.8A CN201711402571A CN108150538A CN 108150538 A CN108150538 A CN 108150538A CN 201711402571 A CN201711402571 A CN 201711402571A CN 108150538 A CN108150538 A CN 108150538A
- Authority
- CN
- China
- Prior art keywords
- conical surface
- cavity
- support base
- indent
- static pressure
- 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.)
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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
-
- 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
- F16C32/0662—Details of hydrostatic bearings independent of fluid supply or direction of load
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Static pressure cone bearing according to the present invention, including support base, receiving member and rotating member, receiving member has the indent conical surface and outer surface, receiving member also has multiple channels being used for through fluid, channel is arranged in the inner wall of receiving member and penetrates through the indent conical surface and outer surface, channel includes being arranged on the first cavity to concave on the indent conical surface and the first duct for connecting the first cavity and outer surface, multiple first cavitys are arranged on along at least one plane of arrangement on the indent conical surface, plane of arrangement is the plane perpendicular to pivot centre line, support base has the support base inner cavity to match with the outer surface of receiving member, receiving member is arranged on intracavitary in support base and is interference fitted with support base inner cavity, at least one support base channel being connected with the first duct is provided on support base.The static pressure cone bearing of the present invention, during working condition, convex cone is not in contact with each other when rotating with concave cone face, therefore use gas or Liquid Static-Press Technique can improve the dynamic rotary precision of cone bearing upper rotary shaft.
Description
Technical field
The invention belongs to machinery fields, and in particular to a kind of static pressure cone bearing.
Background technology
It is contact condition when the revolute pair of the prior art rotates mostly, rotation precision and efficiency is not high.
The bearing combined using gas or Liquid Static-Press Technique with cone structure is that current raising main shaft running accuracy is effective
One of approach.
According to gas (air) or liquid (fluid) static pressure technology basic principle, liquid or gas with certain pressure are allowed
Medium, in the multiple chambers for having respectively entered the cone axis concave conical surface, by have outside flow controller can adjust fluid pressure and
Flow.Due to there is certain gap between the concave, convex conical surface, convex cone floats, in contactless state during rotation, but the cone bearing
Concave cone face and chamber requirement on machining accuracy it is high, processing cost is big.
Invention content
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of smart to concave cone face and chamber process
It spends of less demanding, the static pressure cone bearing of processing cost can be reduced.
The present invention provides a kind of static pressure cone bearings, have the feature that, including support base；And revolute pair, packet
Receiving member and rotating member are included, wherein, receiving member has the indent conical surface and outer surface, and rotating member is outer with matching with the indent conical surface
Convex cone face, receiving member also have multiple for by the channel of fluid, channel to be arranged in the inner wall of receiving member and penetrates through indent
The conical surface and outer surface, channel include being arranged on the first cavity for concaving on the indent conical surface and connect the first cavity and outer surface
First duct, multiple first cavitys are arranged on along at least one plane of arrangement on the indent conical surface, and plane of arrangement is perpendicular to rotation
The plane of part rotation axis, support base have the support base inner cavity to match with the outer surface of receiving member, and receiving member is arranged on support
It intracavitary and is interference fitted in seat with support base inner cavity, is provided at least one support base being connected with the first duct on support base
Channel.
In static pressure cone bearing provided by the invention, it can also have the feature that：Wherein, the quantity of the first cavity
At least 3.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, the first cavity
Mouthful shape be round, ellipse, square, rectangle and it is trapezoidal in any one.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, the first cavity
It is cylindrical.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, the first cavity
Indent depth for 0.5-5mm, the total surface area of the first cavity accounts for the 40-60% of indent conical surface total surface area.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, the indent conical surface
On be also evenly arranged with a plurality of isolation channel, isolation channel between two adjacent the first cavitys, hand over by the elongated end of isolation channel
It is compiled on the rotation axis of revolving member, the groove width of isolation channel is 2-4mm, depth 2-5mm.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, support base leads to
Road includes the second duct that a plurality of external world is connected with the first duct.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, support base leads to
Road includes at least one second duct and annular groove, and annular groove is arranged on support base inner cavity table along at least one plane of arrangement indent
Match on face and with the first duct, the one end in the second duct is connected with annular groove, and the other end is in communication with the outside.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, the indent conical surface
Corrosion-inhibiting coating is both provided with the surface of convex conical surface.
In addition, in static pressure cone bearing provided by the invention, can also have the feature that：Wherein, rotating member
Convex conical surface upper edge plane of arrangement is provided with and the rotation annular groove of the corresponding indent of the first cavity or the swivel becket band of evagination.
The effect of invention
According to static pressure cone bearing according to the present invention, including support base, receiving member and rotating member, wherein, receiving member
With the indent conical surface and outer surface, rotating member has the convex conical surface to match with the indent conical surface, and receiving member also has multiple be used for
By the channel of fluid, channel is arranged in the inner wall of receiving member and penetrates through the indent conical surface and outer surface, and channel includes being arranged on
The first cavity to concave on the indent conical surface and the first duct for connecting the first cavity and outer surface, multiple first cavitys are along at least
One plane of arrangement is arranged on the indent conical surface, and plane of arrangement is the plane perpendicular to pivot centre line, and support base has
The support base inner cavity to match with the outer surface of receiving member, receiving member are arranged on intracavitary in support base and match with the interference of support base inner cavity
It closes, at least one support base channel being connected with the first duct is provided on support base.
According to static pressure cone bearing according to the present invention, during working condition, concave-convex coning is not in contact with each other when turning, and locates always
In gas or state of liquid friction, in this way, the rotation center jerk value and the foozle of bumps cone when convex cone rotates be not straight
Relationship is connect, i.e., convex cone jerk value is not equal to concave-convex cone deviation from circular from amount, and according to actual measurement, jerk value when convex cone rotates is concave-convex cone
The 1/5-1/10 of deviation from circular from amount, relative to static pressure cylinder bearing, static pressure cone bearing has better concentric fit degree, because
This dynamic rotary precision that revolute pair upper rotary shaft can be improved using gas or Liquid Static-Press Technique reaches 0.1-1.0 μm.
Description of the drawings
Fig. 1 is static pressure cone bearing schematic diagram in the embodiment of the present invention；
Fig. 2 is receiving member sectional view in the embodiment of the present invention；
Fig. 3 is the enlarged drawing of A in Fig. 2；
Fig. 4 is B direction views in Fig. 2；
Fig. 5 is static pressure cone revolute pair schematic diagram in the embodiment of the present invention two；
Fig. 6 is the enlarged drawing of C in Fig. 5；And
Fig. 7 is the sectional view of support base.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
It applies example combination attached drawing the static pressure cone axis of the present invention is made and is specifically described.
Embodiment one
As shown in Figure 1, static pressure cone bearing 100 includes accommodating component 10, rotating member 20 and support base 30.
In the present embodiment, receiving component 10 be receiving member 11 as shown in Figure 2, including the indent conical surface 111, outer surface 112,
Multiple channels 113 and through-hole 114.
And some do not need to axis by occasion, receiving member 11 can be not provided with through-hole 114.In the present embodiment, accommodate
Part 11 interior 111 center of concave cone face it is horizontally arranged be useful for axis by through-hole 114, receiving member 10 use made of metal
Into.
As shown in Figure 2 and Figure 3, channel 113 is arranged in the inner wall of receiving member 11 and penetrates through the indent conical surface 111 and outer surface
112, channel 113 include being arranged on the first cavity 113a for concaving on the indent conical surface 111 and connect the first cavity 113a with outside
The first duct 113b on surface 112, channel 113 are used for through fluid, the first duct that external high-pressure fluid passes through outer surface
113b enters concave cone face 111.In the present embodiment, which is liquid oil.
As shown in Figure 2, Figure 4 shows, multiple first cavity 113a are arranged on along at least one plane of arrangement on the indent conical surface 111,
Plane of arrangement is the plane perpendicular to 20 rotation axis of rotating member, and in embodiment, 20 rotation axis of rotating member is horizontal line, arrangement
Plane is two, and the quantity of the first cavity 113a is 16, and the first cavity 113a in each plane of arrangement is 8, and first is recessed
Chamber 113a is cylindrical, the shapes of the first cavity 113a accents is round, ellipse, square, rectangle and it is trapezoidal in it is arbitrary
One kind, the depth of the indent of the first cavity 113a is 0.5-5mm, and the total surface area of the first cavity 113a accounts for indent cylinder summary table
The 40-60% of area.In the present embodiment, the shape of the first cavity 113a accents is oval, the depth of the first cavity 113a indents
It spends for 2mm, the first cavity 113a total surface areas account for the 45% of 111 total surface area of the indent conical surface.
As shown in Figure 1, rotating member 20 has convex conical surface 21, convex conical surface 21 and 111 phase of the indent conical surface of rotating member 20
Match, have certain gap between the concave, convex conical surface, rotating member 20 is rotated around horizontal line in interior concave cone face 111, when external high pressure
When liquid oil enters concave cone face 111 by the duct 113b of outer surface, rotating member 20 floats, and contactless state is in during rotation.
The cooperation taper between component 10 and rotating member 20 is accommodated, it is true according to the size of outer radial load and axial load
It is fixed.The taper of the indent conical surface is 60-150 degree, and the taper of convex conical surface is 60-150 degree.The cone of the indent conical surface 111 in this example
Degree and the taper of convex conical surface 21 are 90 degree.
In embodiment, rotating member 20 be provided in the horizontal direction with through-hole 114 match for axis by through-hole.
Support base 30 has the support base inner cavity to match with the outer surface 112 of receiving member 11, and receiving member 11 is arranged on support
Seat in intracavitary and with support base inner cavity be interference fitted.
At least one support base channel 31 being connected with the first duct 113b is provided on support base 30.
As shown in fig. 7, support base channel 31 includes multiple second ducts 311 and annular groove 312, annular groove 312 is along at least one
A plane of arrangement indent is arranged on support base surface of internal cavity and matches with the first duct 113b, the one end in the second duct 311
It is connected with annular groove 312, the other end is in communication with the outside.In embodiment, the quantity in the second duct 311 is 2, the quantity of annular groove 312
It is 2.
Embodiment two
As shown in figure 5, the present embodiment other structures are identical with embodiment one, the difference is that accommodating component 10 includes receiving member
11 and multiple bushings 12.
As shown in figure 5, receiving member 11 includes the indent conical surface 111, outer surface 112, multiple channels 113 and through-hole 114.
And some do not need to axis by occasion, receiving member 11 can be not provided with through-hole 114.In the present embodiment, accommodate
Part 11 interior 111 center of concave cone face it is horizontally arranged be useful for axis by through-hole 114, receiving member 11 use made of metal
Into.
Channel 113 is arranged in the inner wall of receiving member 11 and penetrates through the indent conical surface 111 and outer surface 112, and channel 113 includes
It is arranged on the first cavity 113a of indent on the indent conical surface 111 and the first duct for connecting the first cavity 113a and outer surface 112
113b, channel 113 are used for through fluid, and external high-pressure fluid enters concave cone face 111 by the first duct 113b of outer surface.
In the present embodiment, which is liquid oil.
As shown in fig. 6, bushing 12 has cylindrical bushing cavity 121, bushing 12 is arranged on opening for the first cavity 113a
At mouthful and the opening of bushing cavity 113a is towards the indent conical surface 111, and the bottom of bushing cavity 121 is connected with the first cavity 113a
It is logical.
Multiple bushings 12 are arranged on along at least one plane of arrangement on the indent conical surface 111, and plane of arrangement is perpendicular to rotation
The plane of 20 rotation axis of part, in embodiment, 20 rotation axis of rotating member is horizontal line, and plane of arrangement is two, bushing 12
Quantity is 16, and the bushing quantity in each plane of arrangement is 8.
Embodiment three
The present embodiment other structures are identical with embodiment two, the difference is that the shape of 121 mouthfuls of bushing cavity is round, oval
Shape, square, rectangle and it is trapezoidal in any one.
The shape of 121 mouthfuls of bushing cavity is ellipse in embodiment three.
Example IV
The present embodiment other structures are identical with embodiment three, the difference is that the depth of the indent of bushing cavity 121 is 0.5-
5mm, 121 total surface area of bushing cavity account for the 40-60% of indent conical surface total surface area.
The depth of the indent of bushing cavity 121 is 2mm in example IV, and 121 total surface area of bushing cavity accounts for the indent conical surface
The 40% of 111 total surface areas.
Embodiment five
The present embodiment other structures are identical with example IV, and the top end face of bushing 12 is the arc coincideing with the indent conical surface
Face, unlike bushing 12 top end face higher than the indent conical surface 111, the top end face of bushing 12 and the distance of the indent conical surface 11 according to
Bearing capacity, fluid viscosity and liner size size etc. determine.
In embodiment five, the top end face of bushing 12 is 0.5mm higher than the distance of the indent conical surface 11.
12 axial section of bushing can be stairstepping.
Embodiment six
As shown in fig. 6, the present embodiment other structures are identical with example IV, unlike bushing 12 top end face be with it is interior
It arcwall face that concave cone face coincide and matches with the indent conical surface.
Embodiment seven
The other structures of the present embodiment are identical with embodiment six, the difference is that 12 and first cavity 113a of bushing connects to be fixed
It connects.
Bushing 12 and the first cavity 113a are the mode that is fixedly connected using Nian Jie or be interference fitted, bushing in embodiment six
12 with the first cavity 113a be the mode that is fixedly connected using Nian Jie.
Embodiment eight
The other structures of the present embodiment are identical with embodiment six, the difference is that 12 and first cavity 113a of bushing is detachable
Connection.
Bushing 12 is that the mode being fixedly connected is connect using screw with the first cavity 113a in embodiment eight.
Embodiment nine
The other structures of the present embodiment are identical with embodiment eight, the difference is that being provided with corrosion-inhibiting coating on the indent conical surface 111.
Corrosion-inhibiting coating in embodiment nine is nano ceramics.
Embodiment ten
As shown in figure 4, the other structures of the present embodiment are identical with embodiment six, the difference is that also equal on the indent conical surface 111
Even to be provided with a plurality of isolation channel 115, isolation channel 115 is between two adjacent the first cavity 113a, the extension of isolation channel 115
End is intersected on the rotation axis of revolving member, and the groove width of isolation channel 14 is 2-4mm, depth 2-5mm.
The groove width of isolation channel 115 is 2.5mm in embodiment ten, and depth 2mm, quantity is 8.
Embodiment 11
The other structures of the present embodiment are identical with embodiment five, the difference is that the 21 upper edge cloth of convex conical surface of revolving member 20
Horizontalization face is provided with two annular grooves 211 with 121 corresponding indent of bushing cavity.
Embodiment 12
The other structures of the present embodiment are identical with embodiment five, the difference is that the 21 upper edge cloth of convex conical surface of revolving member 20
Horizontalization face is provided with two annulus 212 with 121 corresponding evagination of bushing cavity.
Embodiment 13
The other structures of the present embodiment are identical with embodiment 12, the difference is that support base channel 31 connects respectively including a plurality of
Logical first duct 113b and the second extraneous duct 311, but there is no annular groove 312, in the present embodiment, the quantity in the second duct is 16
It is a.
Embodiment 14
The other structures of the present embodiment are identical with embodiment eight, the difference is that being provided with corrosion-inhibiting coating in convex conical surface 21.
Corrosion-inhibiting coating in embodiment 14 is anti-decaying paint.
The effect of embodiment
Static pressure cone bearing according to involved by the present embodiment, during working condition, convex cone does not connect mutually when rotating with concave cone face
It touches, is in gas or state of liquid friction always, in this way, the manufacture of rotation center jerk value when convex cone rotates and concave-convex cone misses
Difference is not directly dependent upon, i.e., convex cone jerk value is not equal to concave-convex cone deviation from circular from amount, according to actual measurement, jerk value when convex cone rotates
It is the 1/5-1/10 of concave-convex cone deviation from circular from amount, therefore main shaft dynamic rotary essence can be improved using gas or Liquid Static-Press Technique
Degree.
In addition, bushing is arranged on after being on the indent conical surface, the difficulty of processing of bushing cavity requires to substantially reduce, so as to carry
The high working efficiency of bushing cavity processing, reduces processing cost.
Further, the top of bushing is higher than the indent conical surface, and the requirement on machining accuracy of the indent conical surface is not high, has and improves work
Make efficiency, reduce the effect of indent cone face process cost.
Further, bushing is connect with receiving component to be adhesively fixed, and is had the characteristics that easy to process.
Further, the convex conical surface upper edge plane of arrangement of revolving member is provided with the ring with the corresponding evagination of bushing
Band substantially reduces the requirement on machining accuracy of convex conical surface, so as to improve work efficiency, reduces processing cost.
Preferred case of the above embodiment for the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. a kind of static pressure cone bearing, which is characterized in that including：
Support base；And
Revolute pair, including receiving member and rotating member,
Wherein, the receiving member has the indent conical surface and outer surface,
The rotating member has the convex conical surface to match with the indent conical surface, is arranged in the indent conical surface,
The receiving member also have it is multiple be used for through the channel of fluid, the channel be arranged in the inner wall of the receiving member and
The indent conical surface and the outer surface are penetrated through,
The channel includes being arranged on the first cavity for concaving on the indent conical surface and connects first cavity and described
First duct of outer surface,
Multiple first cavitys are arranged on along at least one plane of arrangement on the indent conical surface, and the plane of arrangement is vertical
In the plane of the pivot centre line,
The support base has the support base inner cavity to match with the outer surface of the receiving member, and the receiving member is arranged on the branch
It supports intracavitary in seat and is interference fitted with the support base inner cavity,
At least one support base channel being connected with first duct is provided on the support base.
2. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, the taper of the indent conical surface is 60-150 degree, and the taper of the convex conical surface is 60-150 degree,
The quantity of first cavity is at least 3.
3. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, the shape of the first cavity accent be round, ellipse, square, rectangle and it is trapezoidal in any one.
4. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, first cavity is cylindrical.
5. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, the depth of the indent of first cavity is 0.5-5mm, and the total surface area of first cavity accounts for the indent
The 40-60% of conical surface total surface area.
6. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, also it is evenly arranged with a plurality of isolation channel on the indent conical surface, the isolation channel is located at adjacent two described the
Between one cavity, the elongated end of the isolation channel is intersected on the rotation axis of the revolving member,
The groove width of the isolation channel is 2-4mm, depth 2-5mm.
7. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, the support base channel includes the second duct that a plurality of external world is connected with first duct.
8. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, the support base channel includes at least one second duct and annular groove,
The annular groove is arranged on the support base surface of internal cavity and along at least one plane of arrangement indent with described
One duct matches,
The one end in second duct is connected with the annular groove, and the other end is in communication with the outside.
9. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, the surface of the indent conical surface and the convex conical surface is both provided with corrosion-inhibiting coating.
10. static pressure cone bearing according to claim 1, it is characterised in that：
Wherein, plane of arrangement described in the convex conical surface upper edge of the rotating member is provided with and the corresponding indent of the first cavity
Rotation annular groove or evagination swivel becket band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402571.8A CN108150538A (en) | 2017-12-22 | 2017-12-22 | A kind of static pressure cone bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402571.8A CN108150538A (en) | 2017-12-22 | 2017-12-22 | A kind of static pressure cone bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150538A true CN108150538A (en) | 2018-06-12 |
Family
ID=62464967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711402571.8A Withdrawn CN108150538A (en) | 2017-12-22 | 2017-12-22 | A kind of static pressure cone bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150538A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB151905A (en) * | 1916-05-04 | 1920-10-07 | William George Abbott Junior | Improvements in gas lubricated bearings |
| DE2738400A1 (en) * | 1977-08-25 | 1979-03-01 | Hohenzollern Huettenverwalt | MACHINE TOOL WITH HYDROSTATICALLY MOUNTED FINE TURNING SPINDLE |
| DE3337776A1 (en) * | 1983-10-18 | 1985-04-25 | Kugler Feinmechanik und Optik, 7777 Salem | Air bearing spindle comprising a conical rotor and a freely levelling flat plate |
| CN102418742A (en) * | 2011-08-22 | 2012-04-18 | 郑州大学 | High-speed conical deep-shallow cavity hybrid dynamic-static floating ring bearing |
| CN202479959U (en) * | 2012-03-14 | 2012-10-10 | 吴怀超 | Hybrid bearing of high-speed roll grinder wheelhead |
| CN103047290A (en) * | 2012-12-31 | 2013-04-17 | 浙江工业大学 | Cone-shaped friction-free rotary air supply air floatation device |
| EP2829752A2 (en) * | 2013-07-24 | 2015-01-28 | ess-micromechanik GmbH | Aerostatic bearing |
-
2017
- 2017-12-22 CN CN201711402571.8A patent/CN108150538A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB151905A (en) * | 1916-05-04 | 1920-10-07 | William George Abbott Junior | Improvements in gas lubricated bearings |
| DE2738400A1 (en) * | 1977-08-25 | 1979-03-01 | Hohenzollern Huettenverwalt | MACHINE TOOL WITH HYDROSTATICALLY MOUNTED FINE TURNING SPINDLE |
| DE3337776A1 (en) * | 1983-10-18 | 1985-04-25 | Kugler Feinmechanik und Optik, 7777 Salem | Air bearing spindle comprising a conical rotor and a freely levelling flat plate |
| CN102418742A (en) * | 2011-08-22 | 2012-04-18 | 郑州大学 | High-speed conical deep-shallow cavity hybrid dynamic-static floating ring bearing |
| CN202479959U (en) * | 2012-03-14 | 2012-10-10 | 吴怀超 | Hybrid bearing of high-speed roll grinder wheelhead |
| CN103047290A (en) * | 2012-12-31 | 2013-04-17 | 浙江工业大学 | Cone-shaped friction-free rotary air supply air floatation device |
| EP2829752A2 (en) * | 2013-07-24 | 2015-01-28 | ess-micromechanik GmbH | Aerostatic bearing |
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Application publication date: 20180612 |