CN106931036A - Titanium alloy oscillating bearing and its processing method - Google Patents
Titanium alloy oscillating bearing and its processing method Download PDFInfo
- Publication number
- CN106931036A CN106931036A CN201710198042.4A CN201710198042A CN106931036A CN 106931036 A CN106931036 A CN 106931036A CN 201710198042 A CN201710198042 A CN 201710198042A CN 106931036 A CN106931036 A CN 106931036A
- Authority
- CN
- China
- Prior art keywords
- bearing
- titanium alloy
- outer ring
- inner race
- self
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- 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
- 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
- F16C33/06—Sliding surface mainly made of metal
-
- 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
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
-
- 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
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention provides a kind of titanium alloy oscillating bearing and its processing method, it includes bearing outer ring, bearing inner race and self-lubricating layer, the bearing outer ring is nested in the outside of bearing inner race, the self-lubricating layer be arranged between bearing outer ring and bearing inner race and bearing inner race inner side, the bearing outer ring and bearing inner race are made by titanium alloy, and the processing method is:Shaping is processed to bearing inner race;Processing bearing outer ring semi-finished product;In the inner surface setting self-lubricating layer of the bearing outer ring semi-finished product, bearing inner race is arranged at the surface of self-lubricating layer, after bearing outer layer and bearing internal layer is fitted by the method for extrusion forming, the surface to bearing outer ring semi-finished product is processed, and obtains the titanium alloy oscillating bearing.The present invention is designed and applied by titanium alloy selection, meets product lightweight and corrosion proof requirement, expands the scope of application of bearing, it is satisfied with more working conditions.
Description
Technical field
The present invention relates to a kind of titanium alloy oscillating bearing and its processing method, it is adaptable to Aeronautics and Astronautics, ship, automobile etc.
The association area required to lightweight and decay resistance.
Background technology
" low oil consumption " is the focus of the competition of current Field of Aviation Manufacturing, and how much oil consumption directly represent aircraft and its engine
The economy of service life phase and the quality of the feature of environmental protection;Meanwhile, with the requirement increasingly reduced with energy-saving and emission-reduction of international energy,
Therefore lightweight requirements are all the time the emphasis that the high-end manufacturing industry such as Aeronautics and Astronautics, ship and automobile needs to capture for a long time
One of direction.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of titanium alloy oscillating bearing and its processing side
Method.
The present invention is achieved by the following technical solutions:
In a first aspect, the invention provides a kind of titanium alloy oscillating bearing, it includes bearing outer ring, bearing inner race and Zi Run
Slip layer, the bearing outer ring is nested in the outside of bearing inner race, the self-lubricating layer be arranged at bearing outer ring and bearing inner race it
Between and bearing inner race inner side, the bearing outer ring and bearing inner race be made by titanium alloy, and the self-lubricating layer is by solid
Self-lubricating material is constituted.
Preferably, the side wall of the bearing outer ring is provided with axially disposed flange groove.
Preferably, the self-lubricating material is including in compound fabric, copper wire gasket, molybdenum bisuphide and tungsten carbide
It is at least one.
Preferably, the bearing inner race is processed by surface modifying method.
Preferably, the modified method in the surface includes nitriding process, anodizing or micro-arc oxidation.
Preferably, the method for the nitriding is specially:Using the method for glow discharge nitriding, its nitriding temperature >=400
DEG C, soaking time >=20 hour, depth of penetration >=2 μm.
Preferably, the method for the anodic oxidation is specially:Using the method for electrochemical oxidation, oxide thickness is
1~30 μm.
Preferably, the method for the differential arc oxidation is specially:Using micro plasma oxidation, oxide thickness is
1~30 μm.
Preferably, the titanium alloy material used by the bearing inner race is alpha-beta Type Titanium Alloy or beta titanium alloy;Institute
It is alpha titanium alloy or alpha-beta Type Titanium Alloy to state the titanium alloy material used by bearing outer ring;The alpha-beta Type Titanium Alloy is closed for TC4 titaniums
Gold, the alpha titanium alloy is TA18 titanium alloys, and the beta titanium alloy is TB8 titanium alloys.
Second aspect, the invention provides a kind of processing method of titanium alloy oscillating bearing as the aforementioned, it includes as follows
Step:
Shaping is processed to bearing inner race;
Processing bearing outer ring semi-finished product;
In the inner surface setting self-lubricating layer of the bearing outer ring semi-finished product, bearing inner race is arranged at the table of self-lubricating layer
Face, after bearing outer layer and bearing internal layer is fitted by the method for extrusion forming, the surface to bearing outer ring semi-finished product is carried out
Treatment, obtains the titanium alloy oscillating bearing.
Bearing inner race selects alpha-beta Type Titanium Alloy or β-Type Titanium Alloy, such as titanium alloy material of the middle and high intensity of TC4, TB8,
Its tensile strength >=1100MPa, can avoid the bearing inner race caused during bearing extrusion forming from deforming, and can meet design
The requirement of size and tolerance.
Bearing outer ring select alpha titanium alloy or alpha-beta Type Titanium Alloy, the titanium alloy material of intensity such as in TA18, TC4, its
Tensile strength≤1000MPa, it is possible to resolve inner ring deform or be broken, and outer ring extrusion forming it is not in place the problems such as.
Bearing inner race is selected in the parameter area with the tensile strength of bearing outer ring, can either ensure the performance of product
(such as quiet bearing capacity and service life), has also had the process industrial art performance of bearing concurrently.If being less than this scope, can not be same
When have above-mentioned performance concurrently, and then influence the performance of product.
Compared with prior art, the present invention has following beneficial effect:
The present invention is designed and applied by titanium alloy selection, meets product lightweight and corrosion proof requirement, is expanded
The scope of application of bearing, makes it be satisfied with more working conditions.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural representation of the titanium alloy oscillating bearing of the offer of embodiment 1 in the present invention;
Fig. 2 is the structural representation of the titanium alloy oscillating bearing of the offer of embodiment 2 in the present invention;
Fig. 3 is the structural representation of the titanium alloy oscillating bearing of the offer of embodiment 3 in the present invention;
Fig. 4 is the structural representation of the titanium alloy oscillating bearing of the offer of embodiment 4 in the present invention;
In figure:1st, bearing outer ring;2nd, bearing inner race;3rd, self-lubricating layer;11st, flange groove.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
As shown in figure 1, present embodiments providing a kind of titanium alloy oscillating bearing, it includes bearing outer ring 1, bearing inner race 2
With self-lubricating layer 3, bearing outer ring 1 is nested in the outside of bearing inner race 2, and self-lubricating layer 3 is arranged at bearing outer ring 1 and bearing inner race
Between 2, bearing outer ring 1 and bearing inner race 2 are made by titanium alloy, and self-lubricating layer 3 is made up of solid self lubricant material.
Embodiment 2
As shown in Fig. 2 present embodiments providing a kind of titanium alloy oscillating bearing, it includes bearing outer ring 1, bearing inner race 2
With self-lubricating layer 3, bearing outer ring 1 is nested in the outside of bearing inner race 2, and self-lubricating layer 3 is arranged at bearing outer ring 1 and bearing inner race
Between 2 and bearing inner race 2 inner side, bearing outer ring 1 and bearing inner race 2 be made by titanium alloy, self-lubricating layer 3 by solid from
Lubriation material is constituted.
Embodiment 3
As shown in figure 3, present embodiments providing a kind of titanium alloy oscillating bearing, it includes bearing outer ring 1, bearing inner race 2
With self-lubricating layer 3, bearing outer ring 1 is nested in the outside of bearing inner race 2, and self-lubricating layer 3 is arranged at bearing outer ring 1 and bearing inner race
Between 2, the side wall of bearing outer ring 1 is provided with axially disposed flange groove 11, and bearing outer ring 1 and bearing inner race 2 are by titanium alloy
It is made, self-lubricating layer 3 is made up of solid self lubricant material.
Embodiment, 4
As shown in figure 4, present embodiments providing a kind of titanium alloy oscillating bearing, it includes bearing outer ring 1, bearing inner race 2
With self-lubricating layer 3, bearing outer ring 1 is nested in the outside of bearing inner race 2, and self-lubricating layer 3 is arranged at bearing outer ring 1 and bearing inner race
Between 2 and bearing inner race 2 inner side, the side wall of bearing outer ring 1 is provided with axially disposed flange groove 11, the He of bearing outer ring 1
Bearing inner race 2 is made by titanium alloy, and self-lubricating layer 3 is made up of solid self lubricant material.
The preparation method of any one titanium alloy oscillating bearing is as follows in embodiment 1~4:
The first step, designs a kind of titanium alloy oscillating bearing, and its bearing inner race and bearing outer ring use titanium alloy material;Axle
It is self-lubricating layer to hold between inner ring and bearing outer ring, and self-lubricating layer can be compound fabric, copper wire gasket, molybdenum bisuphide or carbonization
Tungsten etc. arbitrarily possesses the material of self-lubricating solid function;
Second step, bearing inner race is that the means such as machining, heat treatment, grinding, attrition process and polishing are processed into
Type;
3rd step, bearing outer ring is machined to semi-finished product by means such as machining, heat treatment and grindings;
4th step, self-lubricating layer is coated or pastes on bearing outer ring surface, is solidified if necessary;
5th step, makes it be fitted with bearing inner race spherical outside surface bearing outer ring by way of extrusion forming;
6th step, turning or grinding bearing plane of outer ring and external diameter are to finished size.
The bearing inner race can use alpha-beta Type Titanium Alloy (such as TC4) or beta titanium alloy (such as TB8), its tensile strength >=
1100MPa。
The bearing outer ring can use alpha titanium alloy (such as TA18) or alpha-beta Type Titanium Alloy (such as TC4), its tensile strength
≤1000MPa。
The present invention is designed and applied by titanium alloy selection, meets product lightweight and corrosion proof requirement, is expanded
The scope of application of bearing, makes it be satisfied with more working conditions.
Specific embodiment of the invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various deformations or amendments, this not shadow
Sound substance of the invention.
Claims (10)
1. a kind of titanium alloy oscillating bearing, it is characterised in that including bearing outer ring, bearing inner race and self-lubricating layer, the bearing
Outer ring is nested in the outside of bearing inner race, and the self-lubricating layer is arranged between bearing outer ring and bearing inner race and bearing inner race
Inner side, the bearing outer ring and bearing inner race be made by titanium alloy, and the self-lubricating layer is made up of solid self lubricant material.
2. titanium alloy oscillating bearing as claimed in claim 1, it is characterised in that the side wall of the bearing outer ring is provided with vertically
The flange groove of setting.
3. titanium alloy oscillating bearing as claimed in claim 1, it is characterised in that the solid self lubricant material includes compound knitting
At least one in thing, copper wire gasket, molybdenum bisuphide and polytetrafluoroethylene (PTFE).
4. titanium alloy oscillating bearing as claimed in claim 1, it is characterised in that the bearing inner race passes through surface modifying method
Treatment.
5. titanium alloy oscillating bearing as claimed in claim 4, it is characterised in that the modified method in the surface includes nitriding
Method, anodizing or micro-arc oxidation.
6. titanium alloy oscillating bearing as claimed in claim 5, it is characterised in that the method for the nitriding is specially:Using from
The method of sub- nitriding, its nitriding temperature >=400 DEG C, soaking time >=20 hour, depth of penetration >=2 μm.
7. titanium alloy oscillating bearing as claimed in claim 5, it is characterised in that the method for the anodic oxidation is specially:Adopt
With the method for electrochemical oxidation, oxidation depth is 1~30 μm.
8. titanium alloy oscillating bearing as claimed in claim 5, it is characterised in that the method for the differential arc oxidation is specially:Adopt
With micro plasma oxidation, oxidation depth is 1~30 μm.
9. titanium alloy oscillating bearing as claimed in claim 1, it is characterised in that the titanium alloy material used by the bearing inner race
It is alpha-beta Type Titanium Alloy or beta titanium alloy;Titanium alloy material used by the bearing outer ring is that alpha titanium alloy or alpha-beta type titanium are closed
Gold;The alpha-beta Type Titanium Alloy is TC4 titanium alloys, and the alpha titanium alloy is TA18 titanium alloys, and the beta titanium alloy is TB8 titaniums
Alloy.
10. the processing method of a kind of titanium alloy oscillating bearing as described in any one in claim 1~9, it is characterised in that
Comprise the following steps:
Shaping is processed to bearing inner race;
Processing bearing outer ring semi-finished product;
In the inner surface setting self-lubricating layer of the bearing outer ring semi-finished product, bearing inner race is arranged at the surface of self-lubricating layer,
After bearing outer layer and bearing internal layer is fitted by the method for extrusion forming, at the surface of bearing outer ring semi-finished product
Reason, obtains the titanium alloy oscillating bearing.
Priority Applications (1)
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CN201710198042.4A CN106931036A (en) | 2017-03-29 | 2017-03-29 | Titanium alloy oscillating bearing and its processing method |
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CN201710198042.4A CN106931036A (en) | 2017-03-29 | 2017-03-29 | Titanium alloy oscillating bearing and its processing method |
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CN201710198042.4A Pending CN106931036A (en) | 2017-03-29 | 2017-03-29 | Titanium alloy oscillating bearing and its processing method |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108223569A (en) * | 2017-11-21 | 2018-06-29 | 上海市轴承技术研究所 | Marmem bearing and its assembly method |
CN109058299A (en) * | 2018-10-12 | 2018-12-21 | 福建翰达流体控制设备有限公司 | A kind of high-performance abrasion-proof bearing and its manufacture craft |
CN109139705A (en) * | 2018-10-31 | 2019-01-04 | 福建龙溪轴承(集团)股份有限公司 | A kind of bearing inner race and its preparation process and self-lubricating knuckle bearing |
CN111136278A (en) * | 2020-01-02 | 2020-05-12 | 沈阳中钛装备制造有限公司 | Titanium alloy self-lubricating coating and preparation method thereof |
CN112483549A (en) * | 2020-11-30 | 2021-03-12 | 江苏希西维轴承有限公司 | Light self-lubricating wear-resistant joint bearing and preparation method thereof |
CN112963443A (en) * | 2021-02-09 | 2021-06-15 | 福建龙溪轴承(集团)股份有限公司 | Titanium alloy knuckle bearing friction pair, manufacturing method and lubricating use method |
CN112975299A (en) * | 2021-03-22 | 2021-06-18 | 张俊杰 | Precision machining process for preparing high-precision pure titanium spherical part |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108223569A (en) * | 2017-11-21 | 2018-06-29 | 上海市轴承技术研究所 | Marmem bearing and its assembly method |
CN109058299A (en) * | 2018-10-12 | 2018-12-21 | 福建翰达流体控制设备有限公司 | A kind of high-performance abrasion-proof bearing and its manufacture craft |
CN109058299B (en) * | 2018-10-12 | 2024-04-05 | 福建翰达流体控制设备有限公司 | High-performance wear-resistant bearing and manufacturing process thereof |
CN109139705A (en) * | 2018-10-31 | 2019-01-04 | 福建龙溪轴承(集团)股份有限公司 | A kind of bearing inner race and its preparation process and self-lubricating knuckle bearing |
CN111136278A (en) * | 2020-01-02 | 2020-05-12 | 沈阳中钛装备制造有限公司 | Titanium alloy self-lubricating coating and preparation method thereof |
CN111136278B (en) * | 2020-01-02 | 2022-06-17 | 沈阳中钛装备制造有限公司 | Titanium alloy self-lubricating coating and preparation method thereof |
CN112483549A (en) * | 2020-11-30 | 2021-03-12 | 江苏希西维轴承有限公司 | Light self-lubricating wear-resistant joint bearing and preparation method thereof |
CN112963443A (en) * | 2021-02-09 | 2021-06-15 | 福建龙溪轴承(集团)股份有限公司 | Titanium alloy knuckle bearing friction pair, manufacturing method and lubricating use method |
CN112975299A (en) * | 2021-03-22 | 2021-06-18 | 张俊杰 | Precision machining process for preparing high-precision pure titanium spherical part |
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