CN105463243A - Sliding bearing alloy material and manufacturing method thereof - Google Patents
Sliding bearing alloy material and manufacturing method thereof Download PDFInfo
- Publication number
- CN105463243A CN105463243A CN201510821150.3A CN201510821150A CN105463243A CN 105463243 A CN105463243 A CN 105463243A CN 201510821150 A CN201510821150 A CN 201510821150A CN 105463243 A CN105463243 A CN 105463243A
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- Prior art keywords
- powder
- lubricator
- melting
- preparation
- metal material
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- 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
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- 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
- F16C33/121—Use of special materials
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- 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
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- 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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
- F16C2202/52—Graphite
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- 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
- F16C2204/10—Alloys based on copper
Abstract
The invention discloses a sliding bearing alloy material and a manufacturing method thereof. The sliding bearing alloy material comprises 4.6-5.4% of Sn, 53-68% of Cu, 0.8-2.3% of Co, 0.3-1.2% of Ni, 0.2-0.6% of B, 0.1-0.5% of rare earth metal, 5-7% of first lubricant, 1-2% of second lubricant and the balance Al. The manufacturing method of the sliding bearing alloy material includes the steps that part of Al powder, Sn powder and the second lubricant are subjected to ball grinding according to a ratio and then are subjected to smelting with Cu, Co, Ni and rare earth metal, and then an intermediate alloy bar is manufactured; and the rest of the Al powder, the first lubricant and the intermediate alloy bar are put into a furnace at the same time to be heated and smelted, then cooling begins, B begins to be added for stirring, and then the temperature is raised to the casting temperature for casting and molding. The sliding bearing alloy material has higher tensile strength, and abrasion resistance and fatigue resistance of a sliding bearing can be improved. The technology is simple and is suitable for industrial production.
Description
Technical field
The present invention relates to field of alloy material, particularly relate to a kind of antifriction metal material and preparation method thereof.
Background technology
The material of bearing shell and bearing liner is referred to as bearing materials.The requirement of bearing materials performance is determined by bearing failure form.Antifriction quality, wear resistance and the anti-bite viscosity antifriction quality good to the requirement of bearing materials performance refer to that material pair has low frictional coefficient.Wear resistance refers to abrasion resistance (usually representing with wear rate).Anti-bite viscosity refers to thermotolerance and the Adhesion Resistance of material.Good friction conformability, imbedibility and running-in ability friction conformability refers to that material compensates the bad ability of bearing sliding surface initial engagement by top layer plastoelastic deformation.Imbedibility refers to that material holds hard particles and embeds, thus alleviates the performance that scratch or abrasive wear occur in bearing slip.Running-in ability refers to that bearing shell and journal surface are after short-term light running, is easy to form the surfaceness of mutually coincideing.Enough intensity and resistance to corrosion.Good thermal conductivity, manufacturability, economy etc.
Bearing materials divides three major types: 1) metallic substance, as bearing metal, copper alloy, aluminum base alloy and cast iron etc.; 2) Porous metallic substance; 3) non-metallic material, as engineering plastics, carbon-graphite etc.Select its main person below slightly to introduce.Bearing metal (common name Babbitt metal or white metal).
Bearing metal is the alloy of tin, lead, antimony, copper, and it makes matrix with tin or lead, the hard crystal grain containing antimony tin (Sb-Sn), copper tin (Cu-Sn) in it.Hard crystal grain plays wear-resistant effect, and soft matrix then increases the plasticity of material.The Young's modulus of bearing metal and elastic limit are all very low, in all bearing materialss, its imbedibility and friction conformability best, be easy to and axle journal break-in, also not easily with axle journal generation seizure.But the intensity of bearing metal is very low, bearing shell can not be made separately, can only be attached on bronze, steel or cast iron bearing shell and make bearing liner.Bearing metal is applicable to heavy duty, high speed occasion, and price is more expensive.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of antifriction metal material and preparation method thereof, and this antifriction metal has better ultimate compression strength, can improve wear resistance and the anti-fatigue performance of sliding surface bearing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of antifriction metal material, each component in this alloy material formation is by mass percentage: Sn4.6 ~ 5.4%, Cu53 ~ 68%, Co0.8 ~ 2.3%, Ni0.3 ~ 1.2%, B0.2 ~ 0.6%, rare earth metal 0.1 ~ 0.5%, the first lubricator 5 ~ 7%, second lubricator 1 ~ 2%, surplus is Al.
In a preferred embodiment of the present invention, the first described lubricator is Bi.
In a preferred embodiment of the present invention, the second described lubricator is C.
In a preferred embodiment of the present invention, described rare earth metal is one or more in Ce, La, Pr and Nd.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of preparation method method providing antifriction metal material, comprises the following steps:
(1) part Al powder, Sn powder and the second lubricator are put into ball mill according to proportioning and carry out ball milling, and then put into vacuum melting furnace melting with Cu, Co, Ni and rare earth metal, at 1500 ~ 1550 DEG C of melting 12 ~ 18min after all melting, fusion process stirs 3 ~ 5 times, mix completely to reach, then cast, air cooling obtain master alloy rod;
(2) residue Al powder, the first lubricator and master alloy rod are put into stove simultaneously add hot smelting, after whole fusing, at 1500 ~ 1550 DEG C of melting 8 ~ 15min, start cooling subsequently, when temperature is down to 1300 ~ 1350 DEG C, start to add B to stir, rise to pouring temperature 1500 DEG C insulation 8 ~ 15min subsequently and start casting, shaping.
In a preferred embodiment of the present invention, the Al powder in step (1), Sn powder and C powder, under argon shield, carry out ball milling and obtain Al-Sn-C powdered alloy in ball mill.
In a preferred embodiment of the present invention, in step (1), drum's speed of rotation is 260 ~ 300rpm, and Ball-milling Time is 15 ~ 20min.
In a preferred embodiment of the present invention, the vacuum in the vacuum melting furnace in step (1) is evacuated to 0.007Pa.
In a preferred embodiment of the present invention, the weight proportion of the Al powder added in the Al powder added in step (1) and step (2) is 1 ~ 2:1.
The invention has the beneficial effects as follows: the present invention has better ultimate compression strength, wear resistance and the anti-fatigue performance of sliding surface bearing can be improved; Technique is simple, is suitable for suitability for industrialized production.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
A kind of antifriction metal material, the formation by mass percentage of each component in this alloy material is: Sn5.4%, Cu53%, Co2.3%, Ni0.3%, B0.2%, Ce0.5%, Bi5%, C1.5%, Al31.8%.
Its preparation method method, specifically comprises the following steps:
(1) the Al powder of 2/3, Sn powder and C are put into ball mill according to proportioning, under argon shield, carry out ball milling, drum's speed of rotation is 260rpm, and Ball-milling Time is 20min; And then put into vacuum melting furnace melting with Cu, Co, Ni and Ce, vacuum in vacuum melting furnace is evacuated to 0.007Pa, and at 1500 DEG C of melting 18min after all melting, fusion process stirs 3 times, mix completely to reach, then cast, air cooling obtain master alloy rod;
(2) residue 1/3Al powder, Bi and master alloy rod are put into stove simultaneously add hot smelting, all after fusing, at 1550 DEG C of melting 8min, start cooling subsequently, when temperature is down to 1350 DEG C, start to add B and stir, rise to pouring temperature 1500 DEG C insulation 15min subsequently and start casting, shaping.
Embodiment 2
A kind of antifriction metal material, the formation by mass percentage of each component in this alloy material is: Sn4.6%, Cu68%, Co0.8%, Ni1.2%, B0.4%, Pr0.3%, Bi7%, C2%, Al15.7%.
Its preparation method method, specifically comprises the following steps:
(1) 1/2Al powder, Sn powder and C are put into ball mill according to proportioning, under argon shield, carry out ball milling, drum's speed of rotation is 300rpm, and Ball-milling Time is 15min; And then put into vacuum melting furnace melting with Cu, Co, Ni and Pr, vacuum in vacuum melting furnace is evacuated to 0.007Pa, and at 1550 DEG C of melting 12min after all melting, fusion process stirs 4 times, mix completely to reach, then cast, air cooling obtain master alloy rod;
(2) residue 1/2Al powder, Bi and master alloy rod are put into stove simultaneously add hot smelting, all after fusing, at 1500 DEG C of melting 15min, start cooling subsequently, when temperature is down to 1300 DEG C, start to add B and stir, rise to pouring temperature 1500 DEG C insulation 12min subsequently and start casting, shaping.
Embodiment 3
A kind of antifriction metal material, the formation by mass percentage of each component in this alloy material is: Sn5.0%, Cu60%, Co1.5%, Ni0.8%, B0.6%, Nd0.1%, Bi6%, C1%, Al25%.
Its preparation method method, specifically comprises the following steps:
(1) 1/2Al powder, Sn powder and C are put into ball mill according to proportioning, under argon shield, carry out ball milling, drum's speed of rotation is 280rpm, and Ball-milling Time is 17min; And then put into vacuum melting furnace melting with Cu, Co, Ni and Nd, vacuum in vacuum melting furnace is evacuated to 0.007Pa, and at 1530 DEG C of melting 15min after all melting, fusion process stirs 5 times, mix completely to reach, then cast, air cooling obtain master alloy rod;
(2) residue 1/2Al powder, Bi and master alloy rod are put into stove simultaneously add hot smelting, all after fusing, at 1530 DEG C of melting 12min, start cooling subsequently, when temperature is down to 1320 DEG C, start to add B and stir, rise to pouring temperature 1500 DEG C insulation 8min subsequently and start casting, shaping.
The beneficial effect of antifriction metal material of the present invention and preparation method thereof is: the present invention has better ultimate compression strength, can improve wear resistance and the anti-fatigue performance of sliding surface bearing; Technique is simple, is suitable for suitability for industrialized production.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. an antifriction metal material, it is characterized in that, each component in this alloy material formation is by mass percentage: Sn4.6 ~ 5.4%, Cu53 ~ 68%, Co0.8 ~ 2.3%, Ni0.3 ~ 1.2%, B0.2 ~ 0.6%, rare earth metal 0.1 ~ 0.5%, the first lubricator 5 ~ 7%, second lubricator 1 ~ 2%, surplus is Al.
2. antifriction metal material according to claim 1, is characterized in that, the first described lubricator is Bi.
3. antifriction metal material according to claim 1, is characterized in that, the second described lubricator is C.
4. antifriction metal material according to claim 1, is characterized in that, described rare earth metal is one or more in Ce, La, Pr and Nd.
5. the preparation method method of antifriction metal material according to claim 1, is characterized in that, comprise the following steps:
(1) part Al powder, Sn powder and the second lubricator are put into ball mill according to proportioning and carry out ball milling, and then put into vacuum melting furnace melting with Cu, Co, Ni and rare earth metal, at 1500 ~ 1550 DEG C of melting 12 ~ 18min after all melting, fusion process stirs 3 ~ 5 times, mix completely to reach, then cast, air cooling obtain master alloy rod;
(2) residue Al powder, the first lubricator and master alloy rod are put into stove simultaneously add hot smelting, after whole fusing, at 1500 ~ 1550 DEG C of melting 8 ~ 15min, start cooling subsequently, when temperature is down to 1300 ~ 1350 DEG C, start to add B to stir, rise to pouring temperature 1500 DEG C insulation 8 ~ 15min subsequently and start casting, shaping.
6. preparation method method according to claim 5, is characterized in that, the Al powder in step (1), Sn powder and C powder, under argon shield, carry out ball milling and obtain Al-Sn-C powdered alloy in ball mill.
7. preparation method method according to claim 5, is characterized in that, in step (1), drum's speed of rotation is 260 ~ 300rpm, and Ball-milling Time is 15 ~ 20min.
8. preparation method method according to claim 5, is characterized in that, the vacuum in the vacuum melting furnace in step (1) is evacuated to 0.007Pa.
9. preparation method method according to claim 5, is characterized in that, the weight proportion of the Al powder added in the Al powder added in step (1) and step (2) is 1 ~ 2:1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821150.3A CN105463243A (en) | 2015-11-24 | 2015-11-24 | Sliding bearing alloy material and manufacturing method thereof |
| PCT/CN2015/096237 WO2017088200A1 (en) | 2015-11-24 | 2015-12-03 | Sliding bearing alloy material and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821150.3A CN105463243A (en) | 2015-11-24 | 2015-11-24 | Sliding bearing alloy material and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105463243A true CN105463243A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510821150.3A Pending CN105463243A (en) | 2015-11-24 | 2015-11-24 | Sliding bearing alloy material and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105463243A (en) |
| WO (1) | WO2017088200A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001220630A (en) * | 2000-02-08 | 2001-08-14 | Daido Metal Co Ltd | Copper series sliding material |
| CN102197150A (en) * | 2008-10-23 | 2011-09-21 | 斗山英维高株式会社 | Sliding bearing with improved wear resistance and method of manufacturing same |
| CN103849794A (en) * | 2014-03-07 | 2014-06-11 | 镇江金鑫有色合金有限公司 | Environmental self-lubricating wear-resistant copper alloy and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001240925A (en) * | 2000-02-29 | 2001-09-04 | Daido Metal Co Ltd | Copper series sliding material |
| JP3939931B2 (en) * | 2001-03-23 | 2007-07-04 | 大同メタル工業株式会社 | Copper-based multi-layer sliding material |
| CN103909270B (en) * | 2013-12-19 | 2016-01-20 | 浙江中达精密部件股份有限公司 | High-performance powder metallurgy oiliness bearing and preparation method thereof |
-
2015
- 2015-11-24 CN CN201510821150.3A patent/CN105463243A/en active Pending
- 2015-12-03 WO PCT/CN2015/096237 patent/WO2017088200A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001220630A (en) * | 2000-02-08 | 2001-08-14 | Daido Metal Co Ltd | Copper series sliding material |
| CN102197150A (en) * | 2008-10-23 | 2011-09-21 | 斗山英维高株式会社 | Sliding bearing with improved wear resistance and method of manufacturing same |
| CN103849794A (en) * | 2014-03-07 | 2014-06-11 | 镇江金鑫有色合金有限公司 | Environmental self-lubricating wear-resistant copper alloy and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| WO2017088200A1 (en) | 2017-06-01 |
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Application publication date: 20160406 |