CN118188703A - Thrust bearing with fixed tile and processing method thereof - Google Patents
Thrust bearing with fixed tile and processing method thereof Download PDFInfo
- Publication number
- CN118188703A CN118188703A CN202410279753.4A CN202410279753A CN118188703A CN 118188703 A CN118188703 A CN 118188703A CN 202410279753 A CN202410279753 A CN 202410279753A CN 118188703 A CN118188703 A CN 118188703A
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- fixed
- tile
- bearing
- thrust bearing
- material layer
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- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000011265 semifinished product Substances 0.000 claims abstract description 19
- 238000007514 turning Methods 0.000 claims abstract description 13
- 239000000047 product Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 230000001154 acute effect Effects 0.000 claims description 9
- 238000003801 milling Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 7
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 6
- 229920002530 polyetherether ketone Polymers 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- -1 Polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/208—Methods of manufacture, e.g. shaping, applying coatings
-
- 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
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
- F16C2208/32—Polytetrafluorethylene [PTFE]
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/36—Polyarylene ether ketones [PAEK], e.g. PEK, PEEK
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/40—Imides, e.g. polyimide [PI], polyetherimide [PEI]
-
- 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
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
-
- 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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/62—Shaping by removing material, e.g. machining by turning, boring, drilling
-
- 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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/66—Shaping by removing material, e.g. machining by milling
-
- 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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/70—Shaping by removing material, e.g. machining by grinding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a fixed-shoe thrust bearing and a processing method thereof, wherein the processing method of the fixed-shoe thrust bearing comprises the following steps: firstly, processing a semi-finished product of a bearing base with a positioning structure and a plurality of tile matrixes with fixed groove structures on two sides by adopting SUS303 materials; then forming a composite material layer on the surface of a tile substrate in an injection molding mode, finely turning to process all assembly sizes, and finally obtaining a fixed tile thrust bearing finished product through grinding, wherein the fixed tile thrust bearing comprises a fixed tile bearing base and a composite material layer, the fixed tile bearing base comprises a fixed seat and a plurality of truncated fan-shaped fixed tiles on the fixed seat, a circle of radial concave fixed groove structure is formed between a positioning boss and the surface of the fixed tile through setting the positioning boss on the fixed tile, and the composite material layer is coated on the outer side of the positioning boss and is fixed with the fixed tile.
Description
Technical Field
The invention relates to a bearing pad, in particular to a fixed-pad thrust bearing and a processing method thereof.
Background
At present, the manufacturing of the fixed-bush thrust bearing at home and abroad is realized by adopting a copper alloy (ZYTCu-10, ZQSn 10-1) bar stock or a casting blank to be manufactured by a numerical control lathe, a numerical control milling machine or a turning and milling composite all-machine. The cost of single copper alloy is higher, and the bearing made of copper alloy has severe requirements on working and assembly environments, if the working medium or the cavity is provided with iron slag or other hard sundries, the percentage of the bearing can be damaged, the service life of the bearing can be very short, and unnecessary economic loss can be caused.
Disclosure of Invention
In order to overcome the defects, the invention provides the fixed-shoe thrust bearing and the processing method thereof, the processing method of the fixed-shoe thrust bearing reduces the cost of products, and the fixed-shoe thrust bearing processed by the method has high stability and reliability and long service life.
The invention adopts the technical scheme for solving the technical problems: a processing method of a fixed tile thrust bearing comprises the following specific steps:
The first step: processing a bearing base semi-finished product with an integrated structure, forming a positioning structure for positioning on a die on one side of the bearing base semi-finished product, forming a plurality of tile matrixes on the other side of the bearing base semi-finished product, and forming a fixed groove structure on the surface of each tile matrix;
And a second step of: placing the processed semi-finished bearing base into a mould for positioning, injecting a composite material into the mould, covering the surface of each tile matrix by the composite material to form a composite material layer, and forming embedded fixed positioning by the composite material layer and a fixed groove structure on the surface of each tile matrix to obtain a bearing blank;
and a third step of: finish turning is carried out on the bearing blank with the injected composite material layer to obtain all assembly sizes, and a semi-finished bearing product is obtained;
fourth step: and grinding the machined bearing semi-finished product to obtain a fixed-tile thrust bearing finished product.
As a further improvement of the present invention, the bearing base semi-finished product is SUS303 material.
As a further improvement of the invention, the semi-finished product of the bearing base is SUS303 bar stock or SUS303 casting blank, and is formed by turning, milling or turning and milling.
As a further improvement of the invention, the composite material is selected from polyether ether ketone (PEEK) modified polymer, polyimide Polymer (PAI) or soluble Polytetrafluoroethylene (PFA).
The utility model provides a fixed tile footstep bearing, includes fixed tile bearing base and combined material layer, fixed tile bearing base includes fixing base and fixed tile, and on the even spaced of a plurality of truncated sectorial fixed tile was located fixing base axial one side surface, form the circular space just right with the coaxial shaft hole in fixing base on each fixed tile, be formed with the location boss on each fixed tile back fixing base one side surface, form the fixed slot structure of round radial indent between location boss and the fixed tile surface, combined material layer closely cladding in the location boss outside, combined material layer edge is formed with radial inward protruding structure, the radial inward protruding structure at combined material layer edge is fixed to be inserted and is located in the fixed slot structure, combined material layer circumference lateral surface with fixed tile circumference outside face is aligned and is linked.
As a further improvement of the invention, the positioning boss is an inverted cone structure, the radial dimension of one end connected with the fixed tile is smaller than that of one end far away from the fixed tile, and the radial cross section of the fixed groove structure is an acute angle groove.
As a further improvement of the invention, the acute angle of the acute groove is 45 °.
As a further improvement of the invention, a circle of radial grooves are formed on one end of the fixed pad towards the fixed seat in the circumferential direction.
The beneficial effects of the invention are as follows: according to the invention, a composite material layer is fixedly compounded on a tile substrate in an injection molding mode, then finish turning machining and grinding machining are carried out to form a fixed tile thrust bearing finished product, the composite material layer is covered on the surface of a fixed tile of the fixed tile thrust bearing machined by the method, when the fixed tile thrust bearing is used, if hard impurities exist in a bearing working cavity, the hard impurities can be embedded into the composite material layer, the bearing can not be damaged when the bearing continues to work, the fixed tile bearing base of the fixed tile thrust bearing is made of SUS303 material, and the material has good tensile strength phase and excellent rust resistance and corrosion resistance, and SUS303 has high heat conduction efficiency, good machining performance and low price, and the machined fixed tile bearing has more excellent performance, longer service life, lower requirements on the use environment and half production cost.
Drawings
FIG. 1 is a first perspective view of a bearing base half-product of the present invention;
FIG. 2 is a second perspective view of the bearing base half product of the present invention;
FIG. 3 is a front view of a semi-finished bearing base of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a perspective view of a fixed shoe thrust bearing of the present invention;
FIG. 7 is a front view of a fixed shoe thrust bearing of the present invention;
Fig. 8 is a cross-sectional view taken along line C-C of fig. 7.
Detailed Description
Examples: a processing method of a fixed tile thrust bearing comprises the following specific steps:
the first step: a bearing base semi-finished product with an integrated structure is processed, one side of the bearing base semi-finished product is provided with a positioning structure 1 used for positioning on a die, the other side of the bearing base semi-finished product is provided with a plurality of tile matrixes 2, and the surface of each tile matrix 2 is provided with a fixed groove structure 3;
And a second step of: placing the processed semi-finished bearing base into a mould for positioning, injecting a composite material into the mould, covering the surface of each tile matrix 2 by the composite material to form a composite material layer 4, and forming embedded fixed positioning by the composite material layer 4 and the fixed groove structures 3 on the surface of each tile matrix 2 to obtain a bearing blank;
and a third step of: finish turning is carried out on the bearing blank with the injected composite material layer 4 to obtain all assembly sizes, and a semi-finished bearing product is obtained;
fourth step: and grinding the machined bearing semi-finished product to obtain a fixed-tile thrust bearing finished product.
The manufacturing cost of the fixed-tile thrust bearing processed by the method is only half compared with that of a fixed-tile bearing integrally processed by copper alloy on the market. And the performance is more excellent, and the service life is more durable. If hard impurities exist in the bearing working cavity, the impurities can be embedded into the composite material surface to continue working without damaging the bearing.
The semi-finished product of the bearing base is made of SUS303 material. The shoe block for fixing the shoe thrust bearing is fixed on the bearing base, and oil wedges are generated by the tiny deformation of the shoe block and the bearing base to form dynamic pressure. Therefore, the rigidity of the material needs to be considered in the selection of the material, and the heat dissipation problem caused by sliding friction needs to be considered. SUS303 and copper alloy are close in tensile strength, excellent in rust resistance and corrosion resistance without treatment, applicable in heat conduction efficiency, and excellent in machining property as compared with metals such as SUS 304. The easy-cutting property can well solve the problem of burrs after turning and milling.
The semi-finished product of the bearing base is SUS303 bar stock or SUS303 casting blank, and is formed by turning, milling or turning and milling.
The composite material is selected from polyether ether ketone (PEEK) modified polymer, polyimide Polymer (PAI) or soluble Polytetrafluoroethylene (PFA). The fixed tile thrust bearing is usually used under the working condition of low load, and the composite material has lower friction coefficient and better heat resistance.
The utility model provides a fixed tile thrust bearing, includes fixed tile bearing base and combined material layer 4, fixed tile bearing base includes fixing base 5 and fixed tile 6, on the even spaced of fixed tile 6 of a plurality of truncated fan-shaped locates fixing base 5 axial one side surface, form the coaxial just right circular space with the central shaft hole 7 on the fixing base 5 between each fixed tile 6, be formed with location boss 8 on each fixed tile 6 back to fixing base 5 one side surface, form round radial concave fixed slot structure 3 between location boss 8 and the fixed tile 6 surface, combined material layer 4 closely cladding in the location boss 8 outside, combined material layer 4 edge is formed with radial inward protruding structure 9, combined material layer 4 edge's radial inward protruding structure 9 fixed the inserting is located in the fixed slot structure 3, combined material layer 4 circumference lateral surface with fixed tile 6 circumference outside face alignment links up.
The positioning boss 8 is an inverted cone table structure with the radial dimension of one end connected with the fixed tile 6 being smaller than the radial dimension of one end far away from the fixed tile 6, and the radial cross section of the fixed groove structure 3 is an acute angle groove.
The acute included angle of the acute groove is 45 degrees.
The fixed tile 6 is formed with a circle of radial grooves 10 towards one end of the fixed seat 5 in the circumferential direction.
Claims (8)
1. A processing method of a fixed tile thrust bearing is characterized in that: the method comprises the following specific steps:
the first step: a bearing base semi-finished product with an integrated structure is processed, one side of the bearing base semi-finished product is provided with a positioning structure (1) used for positioning on a die, the other side of the bearing base semi-finished product is provided with a plurality of tile matrixes (2), and the surfaces of the tile matrixes are provided with fixed groove structures (3);
And a second step of: placing the processed semi-finished bearing base into a mould for positioning, injecting a composite material into the mould, covering the surface of each tile matrix by the composite material to form a composite material layer (4), and forming embedded fixed positioning by the composite material layer and a fixed groove structure on the surface of each tile matrix to obtain a bearing blank;
and a third step of: finish turning is carried out on the bearing blank with the injected composite material layer to obtain all assembly sizes, and a semi-finished bearing product is obtained;
fourth step: and grinding the machined bearing semi-finished product to obtain a fixed-tile thrust bearing finished product.
2. The method of machining a fixed shoe thrust bearing of claim 1, wherein: the semi-finished product of the bearing base is made of SUS303 material.
3. The method of machining a fixed shoe thrust bearing of claim 2, wherein: the semi-finished product of the bearing base is SUS303 bar stock or SUS303 casting blank, and is formed by turning, milling or turning and milling.
4. The method of machining a fixed shoe thrust bearing of claim 1, wherein: the composite material is selected from polyether ether ketone (PEEK) modified polymer, polyimide Polymer (PAI) or soluble Polytetrafluoroethylene (PFA).
5. A fixed-shoe thrust bearing manufactured by the method for manufacturing a fixed-shoe thrust bearing according to claim 1, characterized in that: including fixed tile bearing base and combined material layer, fixed tile bearing base includes fixing base (5) and fixed tile (6), and on the even spaced locating fixing base axial one side surface of a plurality of truncated sectorial fixed tile, form between each fixed tile with the coaxial just right circular space of center shaft hole (7) on the fixing base, each fixed tile is formed with location boss (8) on the surface of fixing base one side dorsad, form round radial concave fixed slot structure between location boss and the fixed tile surface, combined material layer closely cladding in the location boss outside, combined material layer edge is formed with radial inward protruding structure (9), the radial inward protruding structure at combined material layer edge is fixed to be inserted and is located in the fixed slot structure, combined material layer circumference lateral surface with fixed tile circumference outside face is faced and is linked.
6. The fixed shoe thrust bearing of claim 5 wherein: the positioning boss is of an inverted cone table structure, the radial dimension of one end connected with the fixed tile is smaller than that of one end far away from the fixed tile, and the radial cross section of the fixed groove structure is an acute angle groove.
7. The fixed shoe thrust bearing of claim 6 wherein: the acute included angle of the acute groove is 45 degrees.
8. The fixed shoe thrust bearing of claim 5 wherein: a circle of radial grooves (10) are circumferentially formed in one end, facing the fixed seat, of the fixed shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410279753.4A CN118188703A (en) | 2024-03-12 | 2024-03-12 | Thrust bearing with fixed tile and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410279753.4A CN118188703A (en) | 2024-03-12 | 2024-03-12 | Thrust bearing with fixed tile and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118188703A true CN118188703A (en) | 2024-06-14 |
Family
ID=91406026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410279753.4A Pending CN118188703A (en) | 2024-03-12 | 2024-03-12 | Thrust bearing with fixed tile and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118188703A (en) |
-
2024
- 2024-03-12 CN CN202410279753.4A patent/CN118188703A/en active Pending
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