CN108119549A - The manufacturing process of composite self-lubricating bearing - Google Patents
The manufacturing process of composite self-lubricating bearing Download PDFInfo
- Publication number
- CN108119549A CN108119549A CN201711429337.4A CN201711429337A CN108119549A CN 108119549 A CN108119549 A CN 108119549A CN 201711429337 A CN201711429337 A CN 201711429337A CN 108119549 A CN108119549 A CN 108119549A
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- China
- Prior art keywords
- bearing
- manufacturing process
- composite self
- lubricant
- metal powder
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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
- F16C33/14—Special methods of manufacture; Running-in
- F16C33/145—Special methods of manufacture; Running-in of sintered porous 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
- F16C33/06—Sliding surface mainly made of metal
- F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
-
- 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
-
- 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
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/128—Porous bearings, e.g. bushes of sintered alloy
-
- 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
- F16C2220/20—Shaping by sintering pulverised material, e.g. powder metallurgy
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The present invention provides a kind of manufacturing process of composite self-lubricating bearing, belong to field of mechanical technique.It solves the problems, such as that the prior art is complicated there is product structure.The manufacturing process of this composite self-lubricating bearing comprises the following steps：A, stock up：Prepare in spherical metal powder, prepare resin material and lubricant is spare；B, it is sintered：Above-mentioned metal powder is fitted into mold, sintering temperature is slightly below the fusing point of metal powder, sintered metal powder is mutually bonded together, and by it by splitting out to obtain bearing blank in mold after cooling, pore structure is formed between adjacent metal powder in bearing blank；C, it is compound：It is filled in by way of vacuumizing by resin material and lubricant at the pore structure of bearing blank, obtains semi-finished product bearing；D, machine.The manufacturing process of this composite self-lubricating bearing is easy to implement and product structure is simple.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of manufacturing process of composite self-lubricating bearing.
Background technology
Composite material self-lubricating bearing has the features such as bearing capacity is high, impact resistance, high temperature resistant, self-lubricating capacities are strong, special
Not Shi Yongyu heavy duty, low speed is reciprocal or the occasion that is difficult to lubricate and be formed oil film such as swing, also punching not afraid of water and other acid solutions
It etch and washes away.Product has been widely used in metallurgy conticaster, rolls firm equipment, mining machinery, mold, hoisting machinery, weaving loom
In tool, wind-powered electricity generation power generation, ship, steam turbine, the hydraulic turbine, injection molding machine and equipment production line.Wearability is the one of common axle sleeve
Times.
But existing composite self-lubricating bearing generally includes bearing body and the self-lubricating set being located within the body.It can be with
Find out, it is complicated, once and use during self-lubricating set can be easily separated with body, cause its stability than relatively low.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, provide a kind of stability high composite self-lubricating
The manufacturing process of bearing.
The purpose of the present invention can be realized by following technical proposal：
A kind of manufacturing process of composite self-lubricating bearing, the technique comprise the following steps：
A, stock up：Prepare in spherical metal powder, prepare resin material and lubricant is spare；
B, it is sintered：Above-mentioned metal powder is fitted into mold, sintering temperature is slightly below the fusing point of metal powder, after sintering
Metal powder be mutually bonded together, it is adjacent in bearing blank by it by splitting out to obtain bearing blank in mold after cooling
Pore structure is formed between metal powder；
C, it is compound：Resin material and lubricant are being filled in the pore structure of bearing blank by way of vacuumizing
Place, resin and lubricant obtain semi-finished product bearing after curing；
D, machine：Turnery processing is carried out by existing double of bearing finished products of machining mode, is obtained after removing surplus
Composite self-lubricating bearing.
For metal powder after sintering, the fusing of metal powder part so can make adjacent metal powder bond together, and
And the pore structure of hollow out is formed between adjacent metal powder.
Resin material and lubricant stable is filled at above-mentioned pore structure after evacuated.Finally by machining,
The composite self-lubricating bearing of finished product is obtained after excision remainder punching.
In the manufacturing process of above-mentioned composite self-lubricating bearing, the metal powder in the step A is copper alloy powder
Or Al alloy powder.
In the manufacturing process of above-mentioned composite self-lubricating bearing, the metal powder is brass.
In the manufacturing process of above-mentioned composite self-lubricating bearing, the resin in the step A is epoxy resin, phenolic aldehyde tree
One or more in fat and unsaturated-resin.
In the manufacturing process of above-mentioned composite self-lubricating bearing, the lubricant in the step A is polytetrafluoroethylene (PTFE), stone
One or more in ink, molybdenum disulfide, carbon fiber etc..
In the manufacturing process of above-mentioned composite self-lubricating bearing, when the sintering time in the step B is 1-3 small.
In the manufacturing process of above-mentioned composite self-lubricating bearing, the mold in the step B is for graphite material and in mould
Tool is internal to have the forming cavity to match with composite self-lubricating bearing.
In the manufacturing process of above-mentioned composite self-lubricating bearing, in room temperature or heating solidify afterwards after the step C.
In the manufacturing process of above-mentioned composite self-lubricating bearing, the step C is by existing vaccum-pumping equipment to axis
It holds and applies negative pressure inside blank, resin material and lubricant stable are filled in the hole of bearing blank under the action of vaccum-pumping equipment
At gap structure.
In the manufacturing process of above-mentioned composite self-lubricating bearing, the quality of resin material and lubricant in the step C
Than for 1：0.2—0.3.
In the manufacturing process of above-mentioned composite self-lubricating bearing, resinous wood is made by room temperature or heating after the step C
Material and lubricant rapid curing form semi-finished product bearing blank, and above-mentioned heating temperature is 50-180 DEG C.
Compared with prior art, since the formation after metal powder sintered is strong in the manufacturing process of this composite self-lubricating bearing
The very high blank of degree can make it possess good self-lubricating property at the pore structure of blank after potting resin and lubricant,
Therefore, the self-lubricating bearing made is compact-sized, and stability is high.
Meanwhile this technique only needs substantially three steps can be completed：Sintering, compound and machining, therefore, technique letter
Just, there is very high practical value.
Specific embodiment
Embodiment one
The manufacturing process of this composite self-lubricating bearing, the technique comprise the following steps：
A, stock up：Prepare in spherical metal powder, prepare resin material and lubricant is spare；
Metal powder is copper alloy powder or Al alloy powder.In the present embodiment, metal powder is brass.
Resin is epoxy resin, and according to actual conditions, resin is also feasible for unsaturated polyester resin or phenolic resin
's.Certainly, above-mentioned resin material can be that a variety of in single or three are mixed.
Lubricant is the one or more in polytetrafluoroethylene (PTFE), graphite, molybdenum disulfide, carbon fiber etc..
B, it is sintered：Above-mentioned metal powder is fitted into mold, sintering temperature is slightly below the fusing point of metal powder, after sintering
Metal powder be mutually bonded together, it is adjacent in bearing blank by it by splitting out to obtain bearing blank in mold after cooling
Pore structure is formed between metal powder；
When sintering time is 1 small.
In the present embodiment, mold is for graphite material and in mould inside with the shaping to match with composite self-lubricating bearing
Chamber.
C, it is compound：Resin material and lubricant are being filled in the pore structure of bearing blank by way of vacuumizing
Place, resin and lubricant obtain semi-finished product bearing after curing；
Negative pressure, the resinous wood under the action of vaccum-pumping equipment are applied to bearing blank inside by existing vaccum-pumping equipment
Material and lubricant stable are filled at the pore structure of bearing blank.
The mass ratio of resin material and lubricant is 1：0.2.
There are two types of schemes for resin solidification：
One, at room temperature after 1 time, resin solidification.
Secondly, by heating resin material and lubricant rapid curing is made to form semi-finished product bearing blank, above-mentioned heating
Temperature is 90 DEG C, and the quick-setting time is 10 minutes.
D, machine：Turnery processing is carried out by existing double of bearing finished products of machining mode, is obtained after removing surplus
Composite self-lubricating bearing.
Its rear parameter is the composite self-lubricating bearing that the present embodiment makes after tested：
Embodiment two
The manufacturing process of this composite self-lubricating bearing, the technique comprise the following steps：
A, stock up：Prepare in spherical metal powder, prepare resin material and lubricant is spare；
Metal powder is copper alloy powder or Al alloy powder.In the present embodiment, metal powder is brass.
Resin is epoxy resin, and according to actual conditions, resin is also feasible for unsaturated polyester resin or phenolic resin
's.Certainly, above-mentioned resin material can be that a variety of in single or three are mixed.
Lubricant is the one or more in polytetrafluoroethylene (PTFE), graphite, molybdenum disulfide, carbon fiber etc..
B, it is sintered：Above-mentioned metal powder is fitted into mold, sintering temperature is slightly below the fusing point of metal powder, after sintering
Metal powder be mutually bonded together, it is adjacent in bearing blank by it by splitting out to obtain bearing blank in mold after cooling
Pore structure is formed between metal powder；
When sintering time is 3 small.
In the present embodiment, mold is for graphite material and in mould inside with the shaping to match with composite self-lubricating bearing
Chamber.
C, it is compound：Resin material and lubricant are being filled in the pore structure of bearing blank by way of vacuumizing
Place, resin and lubricant obtain semi-finished product bearing after curing；
Negative pressure, the resinous wood under the action of vaccum-pumping equipment are applied to bearing blank inside by existing vaccum-pumping equipment
Material and lubricant stable are filled at the pore structure of bearing blank.
The mass ratio of resin material and lubricant is 1：0.3.
There are two types of schemes for resin solidification：
One, at room temperature after 3 times, resin solidification.
Secondly, by heating resin material and lubricant rapid curing is made to form semi-finished product bearing blank, above-mentioned heating
Temperature is 110 DEG C, and the quick-setting time is 25 minutes.
D, machine：Turnery processing is carried out by existing double of bearing finished products of machining mode, is obtained after removing surplus
Composite self-lubricating bearing.
Its rear parameter is the composite self-lubricating bearing that the present embodiment makes after tested：
Embodiment three
The manufacturing process of this composite self-lubricating bearing, the technique comprise the following steps：
A, stock up：Prepare in spherical metal powder, prepare resin material and lubricant is spare；
Metal powder is copper alloy powder or Al alloy powder.In the present embodiment, metal powder is brass.
Resin is epoxy resin, and according to actual conditions, resin is also feasible for unsaturated polyester resin or phenolic resin
's.Certainly, above-mentioned resin material can be that a variety of in single or three are mixed.
Lubricant is the one or more in polytetrafluoroethylene (PTFE), graphite, molybdenum disulfide, carbon fiber etc..
B, it is sintered：Above-mentioned metal powder is fitted into mold, sintering temperature is slightly below the fusing point of metal powder, after sintering
Metal powder be mutually bonded together, it is adjacent in bearing blank by it by splitting out to obtain bearing blank in mold after cooling
Pore structure is formed between metal powder；
When sintering time is 2 small.
In the present embodiment, mold is for graphite material and in mould inside with the shaping to match with composite self-lubricating bearing
Chamber.
C, it is compound：Resin material and lubricant are being filled in the pore structure of bearing blank by way of vacuumizing
Place, resin and lubricant obtain semi-finished product bearing after curing；
Negative pressure, the resinous wood under the action of vaccum-pumping equipment are applied to bearing blank inside by existing vaccum-pumping equipment
Material and lubricant stable are filled at the pore structure of bearing blank.
The mass ratio of resin material and lubricant is 1：0.25.
There are two types of schemes for resin solidification：
One, at room temperature after 2 times, resin solidification.
Secondly, by heating resin material and lubricant rapid curing is made to form semi-finished product bearing blank, above-mentioned heating
Temperature is 100 DEG C, and the quick-setting time is 20 minutes.
D, machine：Turnery processing is carried out by existing double of bearing finished products of machining mode, is obtained after removing surplus
Composite self-lubricating bearing.
Its rear parameter is the composite self-lubricating bearing that the present embodiment makes after tested：
Claims (7)
1. a kind of manufacturing process of composite self-lubricating bearing, the technique comprise the following steps：
A, stock up：Prepare in spherical metal powder, prepare resin material and lubricant is spare；
B, it is sintered：Above-mentioned metal powder is fitted into mold, sintering temperature is slightly below the fusing point of metal powder, sintered gold
Belong to powder to be mutually bonded together, by it by splitting out to obtain bearing blank in mold after cooling, adjacent metal in bearing blank
Pore structure is formed between powder；
C, it is compound：It is filled at the pore structure of bearing blank, set by resin material and lubricant by way of vacuumizing
Fat and lubricant obtain semi-finished product bearing after curing；
D, machine：Turnery processing is carried out by existing double of bearing finished products of machining mode, is obtained after removal surplus compound
Self-lubricating bearing.
2. the manufacturing process of composite self-lubricating bearing according to claim 1, which is characterized in that the gold in the step A
It is copper alloy powder or Al alloy powder to belong to powder.
3. the manufacturing process of composite self-lubricating bearing according to claim 1, which is characterized in that the tree in the step A
Fat is one kind in epoxy resin, phenolic resin and unsaturated-resin.
4. the manufacturing process of composite self-lubricating bearing according to claim 1, which is characterized in that the profit in the step A
Lubrication prescription is the one or more in polytetrafluoroethylene (PTFE), graphite, molybdenum disulfide, carbon fiber etc..
5. the manufacturing process of composite self-lubricating bearing according to claim 1, which is characterized in that in room after the step C
Temperature or heating solidify afterwards.
6. the manufacturing process of composite self-lubricating bearing according to claim 1, which is characterized in that pass through in the step C
Existing vaccum-pumping equipment applies negative pressure to bearing blank inside, and resin material and lubricant are steady under the action of vaccum-pumping equipment
Surely it is filled at the pore structure of bearing blank.
7. the manufacturing process of composite self-lubricating bearing according to claim 1, which is characterized in that pass through after the step C
Room temperature or heating make resin material and lubricant rapid curing form semi-finished product bearing blank, above-mentioned heating temperature for 50-
180℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429337.4A CN108119549A (en) | 2017-12-26 | 2017-12-26 | The manufacturing process of composite self-lubricating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429337.4A CN108119549A (en) | 2017-12-26 | 2017-12-26 | The manufacturing process of composite self-lubricating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108119549A true CN108119549A (en) | 2018-06-05 |
Family
ID=62231680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711429337.4A Pending CN108119549A (en) | 2017-12-26 | 2017-12-26 | The manufacturing process of composite self-lubricating bearing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027006A (en) * | 2018-08-06 | 2018-12-18 | 长沙理工大学 | A kind of composite sliding bearing and preparation method thereof |
| CN109482872A (en) * | 2018-12-28 | 2019-03-19 | 江西洪达自润滑轴承有限公司 | A kind of oil-free plane sliding bearing and preparation method thereof with extremely low coefficient of friction |
| CN110293221A (en) * | 2019-08-09 | 2019-10-01 | 黄威豪 | A kind of manufacturing method of novel oil-free bearing |
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| CN102899550A (en) * | 2012-09-24 | 2013-01-30 | 江苏利达不锈钢有限公司 | High temperature resistant self-lubricating bearing material and preparation method thereof |
| CN103282681A (en) * | 2010-11-29 | 2013-09-04 | 现代制铁株式会社 | Sintered bearing and preparation method thereof |
| CN105650120A (en) * | 2016-04-12 | 2016-06-08 | 浙江长盛滑动轴承股份有限公司 | Integrated type metal-base three-layered composite self-lubricating bearing and manufacturing method thereof |
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| JPS5594403A (en) * | 1979-01-09 | 1980-07-17 | Agency Of Ind Science & Technol | Solid lubricating composite material friction part and production thereof |
| US4582368A (en) * | 1985-05-06 | 1986-04-15 | Ndc Company, Ltd. | Dry bearing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027006A (en) * | 2018-08-06 | 2018-12-18 | 长沙理工大学 | A kind of composite sliding bearing and preparation method thereof |
| CN109482872A (en) * | 2018-12-28 | 2019-03-19 | 江西洪达自润滑轴承有限公司 | A kind of oil-free plane sliding bearing and preparation method thereof with extremely low coefficient of friction |
| CN109482872B (en) * | 2018-12-28 | 2019-12-24 | 江西洪达自润滑轴承有限公司 | Oil-free plane sliding bearing with extremely low friction coefficient and preparation method thereof |
| CN110293221A (en) * | 2019-08-09 | 2019-10-01 | 黄威豪 | A kind of manufacturing method of novel oil-free bearing |
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Application publication date: 20180605 |