CN105840658A - Low-wear aluminum-magnesium-nickel alloy bearing and preparation method thereof - Google Patents
Low-wear aluminum-magnesium-nickel alloy bearing and preparation method thereof Download PDFInfo
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- CN105840658A CN105840658A CN201610216443.3A CN201610216443A CN105840658A CN 105840658 A CN105840658 A CN 105840658A CN 201610216443 A CN201610216443 A CN 201610216443A CN 105840658 A CN105840658 A CN 105840658A
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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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
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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
- F16C2204/00—Metallic materials; Alloys
- F16C2204/20—Alloys based on aluminium
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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
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/06—Shaping by casting in situ casting or moulding
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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
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/10—Hardening, e.g. carburizing, carbo-nitriding
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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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/43—Aeroplanes; Helicopters
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/47—Cosmonautic vehicles, i.e. bearings adapted for use in outer-space
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a low-wear aluminum-magnesium-nickel alloy bearing. The low-wear aluminum-magnesium-nickel alloy bearing is prepared from, by weight, 45-60 parts of aluminum ingots, 26-34 parts of nickel ingots, 21-30 parts of magnesium ingots, 8-15 parts of titanium powder, 3-10 parts of glass fiber, 5-11 parts of huntite, 9-14 parts of cobaltous sulfate, 2.5-6 parts of lithium vanadate, 1.7-4.2 parts of niobium carbide, 0.4-3 parts of terbium iodide, 4-9 parts of iron slag, 2-6 parts of coal ash, 3-5.8 parts of ammonium fluorozirconate, 1-2.5 parts of crystallite biotite, 0.3-2 parts of thulium trinitrate and 1-3.5 parts of gallium oxide. The invention further discloses a preparation method of the low-wear aluminum-magnesium-nickel alloy bearing. The alloy bearing prepared through the preparation method is good in abrasion resistance, low in thermal expansion coefficient, long in service life, and good in apparent hardness and apparent hardness and has wide application prospects in the field of bearings.
Description
Technical field
The invention belongs to alloy bearing technical field, be specifically related to a kind of low abrasion magnalium nickel alloy bearing and preparation method thereof.
Background technology
Bearing is a kind of important spare part in plant equipment, and its major function is to support machinery rotary body, reduces the coefficient of friction in its motor process, and ensures its rotating accuracy.Operation principle according to bearing can be divided into rolling bearing and sliding bearing.Matrix material according to bearing can be divided into the bearings such as cuprio, iron-based, aluminum base, copper iron-based.Wherein, aluminum-based bearing, owing to having intensity heat conduction high, high, corrosion-resistant and low cost and other advantages, is widely used in antifriction fields such as machine-building, auto industry and Aero-Space.But aluminum-based bearing self there is also coefficient of expansion restriction relatively greatly and in manufacturing process and cannot preferably be applied；Secondly, traditional aluminum-based bearing also cannot meet the environment such as the application demand become increasingly complex now with severe rugged environment, such as long high load capacity, high abrasion and high temperature.Thus, prepare a kind of low abrasion, little and preparation technology simple possible the aluminum-based bearing material of the coefficient of expansion has become an important research direction.
Summary of the invention
At least one of present invention prior art problem to be solved, it is provided that a kind of low abrasion magnalium nickel alloy bearing and preparation method thereof.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
The invention discloses a kind of low abrasion magnalium nickel alloy bearing, the composition of following parts by weight be prepared: aluminium ingot 45-60 part, nickel ingot 26-34 part, magnesium ingot 21-30 part, titanium valve 8-15 part, glass fibre 3-10 part, huntite 5-11 part, cobaltous sulfate 9-14 part, lithium vanadate 2.5-6 part, niobium carbide 1.7-4.2 part, iodate terbium 0.4-3 part, scum 4-9 part, flyash 2-6 part, ammonium fluozirconate 3-5.8 part, crystallite biotite 1.2-5 part, thulium nitrate 0.3-2 part, Digallium trioxide 1-3.5 part.
Preferably, described low abrasion magnalium nickel alloy bearing, is prepared by the composition of following parts by weight: aluminium ingot 48 parts, 28 parts of nickel ingot, magnesium ingot 23 parts, titanium valve 11 parts, glass fibre 5.9 parts, huntite 6 parts, cobaltous sulfate 12 parts, lithium vanadate 3.8 parts, niobium carbide 2.5 parts, iodate terbium 1.8 parts, scum 6 parts, 4.5 parts of flyash, ammonium fluozirconate 4 parts, crystallite biotite 3.2 parts, thulium nitrate 1.5 parts, Digallium trioxide 1.6 parts.
Preferably, described low abrasion magnalium nickel alloy bearing, is prepared by the composition of following parts by weight: aluminium ingot 51 parts, 29 parts of nickel ingot, magnesium ingot 26 parts, titanium valve 9 parts, glass fibre 7.5 parts, huntite 8.2 parts, cobaltous sulfate 9.5 parts, lithium vanadate 4.2 parts, niobium carbide 2.8 parts, iodate terbium 0.9 part, scum 6.5 parts, 3.6 parts of flyash, ammonium fluozirconate 4.2 parts, crystallite biotite 1.9 parts, thulium nitrate 1.2 parts, Digallium trioxide 2.7 parts.
The present invention also provides for the preparation method of a kind of low abrasion magnalium nickel alloy bearing described above, including following preparation process:
1) weigh material according to above-mentioned weight；
2) by melting after above-mentioned material mix homogeneously of weighing and be incubated 45-120 minute, melting thing is obtained standby；
3) watering rapidly to cast from by above-mentioned warm melting thing and obtain cast in casting die, the temperature of its casting die is 60-100 DEG C；
4) treating that the temperature of cast is reduced to rapidly 145-175 DEG C and is placed in tempering furnace and carries out temper, its furnace temperature is set to 196-220 DEG C, and temperature retention time is 3-6 hour；
5) treat that the cast of tempered process naturally cools to room temperature, obtain required low abrasion magnalium nickel alloy bearing.
Preferably, described step 2) in melting and be incubated 75 minutes.
The temperature of the casting die in described step 3) is 87 DEG C.
Treating in described step 4) that the temperature of cast is reduced to rapidly 162 DEG C by the cooling rate of 25 DEG C/min and is placed in tempering furnace and carries out temper, its furnace temperature is set to 210 DEG C, and temperature retention time is 4 hours.
Owing to have employed above technical scheme, the present invention compared with prior art has the advantages that
It is 1.6-3.5um that its wear extent is tested in 2000 hours of alloy bearing prepared by the present invention, and thermal coefficient of expansion is 1.89-2.21 × 10-7K-1Service life is more than 4500 hours, apparent hardness is 37-44HB, crushing strength is 222-238MPa, the alloy bearing prepared has good wearability, relatively low thermal coefficient of expansion, longer service life, and good apparent hardness and crushing strength, have broad application prospects in field of bearings.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Embodiment 1
A kind of preparation method of low abrasion magnalium nickel alloy bearing, including following preparation process:
1) weigh material according to above-mentioned weight: aluminium ingot 45 parts, 26 parts of nickel ingot, magnesium ingot 21 parts, titanium valve 8 parts, glass fibre 3 parts, huntite 5 parts, cobaltous sulfate 9 parts, lithium vanadate 2.5 parts, niobium carbide 1.7 parts, iodate terbium 0.4 part, scum 4 parts, 2 parts of flyash, ammonium fluozirconate 3 parts, crystallite biotite 1.2 parts, thulium nitrate 0.3 part, Digallium trioxide 1 part；
2) by melting after above-mentioned material mix homogeneously of weighing and be incubated 45 minutes, melting thing is obtained standby；
3) watering rapidly to cast from by above-mentioned warm melting thing and obtain cast in casting die, the temperature of its casting die is 60 DEG C；
4) treating that the temperature of cast is reduced to rapidly 145 DEG C by the cooling rate of 25 DEG C/min and is placed in tempering furnace and carries out temper, its furnace temperature is set to 196 DEG C, and temperature retention time is 3 hours；
5) treat that the cast of tempered process naturally cools to room temperature, obtain required low abrasion magnalium nickel alloy bearing.
Embodiment 2
A kind of preparation method of low abrasion magnalium nickel alloy bearing, including following preparation process:
1) weigh material according to above-mentioned weight: aluminium ingot 60 parts, 34 parts of nickel ingot, magnesium ingot 30 parts, titanium valve 15 parts, glass fibre 10 parts, huntite 11 parts, cobaltous sulfate 14 parts, lithium vanadate 6 parts, niobium carbide 4.2 parts, iodate terbium 3 parts, scum 9 parts, 6 parts of flyash, ammonium fluozirconate 5.8 parts, crystallite biotite 5 parts, thulium nitrate 2 parts, Digallium trioxide 3.5 parts；
2) by melting after above-mentioned material mix homogeneously of weighing and be incubated 120 minutes, melting thing is obtained standby；
3) watering rapidly to cast from by above-mentioned warm melting thing and obtain cast in casting die, the temperature of its casting die is 100 DEG C；
4) treating that the temperature of cast is reduced to rapidly 175 DEG C by the cooling rate of 25 DEG C/min and is placed in tempering furnace and carries out temper, its furnace temperature is set to 220 DEG C, and temperature retention time is 6 hours；
5) treat that the cast of tempered process naturally cools to room temperature, obtain required low abrasion magnalium nickel alloy bearing.
Embodiment 3
A kind of preparation method of low abrasion magnalium nickel alloy bearing, including following preparation process:
1) weigh material according to above-mentioned weight: aluminium ingot 52 parts, 30 parts of nickel ingot, magnesium ingot 25 parts, titanium valve 11 parts, glass fibre 6 parts, huntite 8 parts, cobaltous sulfate 11 parts, lithium vanadate 4.2 parts, niobium carbide 3 parts, iodate terbium 1.7 parts, scum 6 parts, 4 parts of flyash, ammonium fluozirconate 4.4 parts, crystallite biotite 3.1 parts, thulium nitrate 1.6 parts, Digallium trioxide 2.2 parts；
2) by melting after above-mentioned material mix homogeneously of weighing and be incubated 82 minutes, melting thing is obtained standby；
3) watering rapidly to cast from by above-mentioned warm melting thing and obtain cast in casting die, the temperature of its casting die is 80 DEG C；
4) treating that the temperature of cast is reduced to rapidly 160 DEG C by the cooling rate of 25 DEG C/min and is placed in tempering furnace and carries out temper, its furnace temperature is set to 209 DEG C, and temperature retention time is 4.5 hours；
5) treat that the cast of tempered process naturally cools to room temperature, obtain required low abrasion magnalium nickel alloy bearing.
Embodiment 4
A kind of preparation method of low abrasion magnalium nickel alloy bearing, including following preparation process:
1) weigh material according to above-mentioned weight: aluminium ingot 48 parts, 28 parts of nickel ingot, magnesium ingot 23 parts, titanium valve 11 parts, glass fibre 5.9 parts, huntite 6 parts, cobaltous sulfate 12 parts, lithium vanadate 3.8 parts, niobium carbide 2.5 parts, iodate terbium 1.8 parts, scum 6 parts, 4.5 parts of flyash, ammonium fluozirconate 4 parts, crystallite biotite 3.2 parts, thulium nitrate 1.5 parts, Digallium trioxide 1.6 parts；
2) by melting after above-mentioned material mix homogeneously of weighing and be incubated 75 minutes, melting thing is obtained standby；
3) watering rapidly to cast from by above-mentioned warm melting thing and obtain cast in casting die, the temperature of its casting die is 87 DEG C；
4) treating that the temperature of cast is reduced to rapidly 162 DEG C by the cooling rate of 25 DEG C/min and is placed in tempering furnace and carries out temper, its furnace temperature is set to 210 DEG C, and temperature retention time is 4 hours；
5) treat that the cast of tempered process naturally cools to room temperature, obtain required low abrasion magnalium nickel alloy bearing.
Embodiment 5
A kind of preparation method of low abrasion magnalium nickel alloy bearing, including following preparation process:
1) weigh material according to above-mentioned weight: aluminium ingot 51 parts, 29 parts of nickel ingot, magnesium ingot 26 parts, titanium valve 9 parts, glass fibre 7.5 parts, huntite 8.2 parts, cobaltous sulfate 9.5 parts, lithium vanadate 4.2 parts, niobium carbide 2.8 parts, iodate terbium 0.9 part, scum 6.5 parts, 3.6 parts of flyash, ammonium fluozirconate 4.2 parts, crystallite biotite 1.9 parts, thulium nitrate 1.2 parts, Digallium trioxide 2.7 parts；
2) by melting after above-mentioned material mix homogeneously of weighing and be incubated 75 minutes, melting thing is obtained standby；
3) watering rapidly to cast from by above-mentioned warm melting thing and obtain cast in casting die, the temperature of its casting die is 87 DEG C；
4) treating that the temperature of cast is reduced to rapidly 162 DEG C by the cooling rate of 25 DEG C/min and is placed in tempering furnace and carries out temper, its furnace temperature is set to 210 DEG C, and temperature retention time is 4 hours；
5) treat that the cast of tempered process naturally cools to room temperature, obtain required low abrasion magnalium nickel alloy bearing.
Comparative example 1
This comparative example is with the difference of embodiment 2: do not comprise iodate terbium, thulium nitrate and niobium carbide.
Comparative example 2
This comparative example is with the difference of embodiment 2: without flyash and lithium vanadate.
Performance test
The wearability of bearing prepared by the alloy bearing prepared the present invention below and comparative example, thermal coefficient of expansion, service life and its forces associated performance are tested, and test result is shown in Table 1:
The performance test results of bearing prepared by each embodiment of table 1 and comparative example
As seen from the above table, it is 1.6-3.5um that its wear extent is tested in 2000 hours of alloy bearing prepared by the present invention, and thermal coefficient of expansion is 1.89-2.21 × 10-7K-1Service life is more than 4500 hours, apparent hardness is 37-44HB, crushing strength is 222-238MPa, the alloy bearing prepared has good wearability, relatively low thermal coefficient of expansion, longer service life, and good apparent hardness and crushing strength, have broad application prospects in field of bearings.
Comparing and embodiment 2, the property indices of the bearing prepared by comparative example 1 and comparative example 2 has declined, and so illustrates iodate terbium, thulium nitrate and niobium carbide, and flyash and lithium vanadate all produce certain impact to the combination property of bearing.
Claims (7)
1. one kind low abrasion magnalium nickel alloy bearing, it is characterized in that, the composition of following parts by weight be prepared: aluminium ingot 45-60 part, nickel ingot 26-34 part, magnesium ingot 21-30 part, titanium valve 8-15 part, glass fibre 3-10 part, huntite 5-11 part, cobaltous sulfate 9-14 part, lithium vanadate 2.5-6 part, niobium carbide 1.7-4.2 part, iodate terbium 0.4-3 part, scum 4-9 part, flyash 2-6 part, ammonium fluozirconate 3-5.8 part, crystallite biotite 1.2-5 part, thulium nitrate 0.3-2 part, Digallium trioxide 1-3.5 part.
Low abrasion magnalium nickel alloy bearing the most according to claim 1, it is characterized in that, the composition of following parts by weight be prepared: aluminium ingot 48 parts, 28 parts of nickel ingot, magnesium ingot 23 parts, titanium valve 11 parts, glass fibre 5.9 parts, huntite 6 parts, cobaltous sulfate 12 parts, lithium vanadate 3.8 parts, niobium carbide 2.5 parts, iodate terbium 1.8 parts, scum 6 parts, 4.5 parts of flyash, ammonium fluozirconate 4 parts, crystallite biotite 3.2 parts, thulium nitrate 1.5 parts, Digallium trioxide 1.6 parts.
Low abrasion magnalium nickel alloy bearing the most according to claim 1, it is characterized in that, the composition of following parts by weight be prepared: aluminium ingot 51 parts, 29 parts of nickel ingot, magnesium ingot 26 parts, titanium valve 9 parts, glass fibre 7.5 parts, huntite 8.2 parts, cobaltous sulfate 9.5 parts, lithium vanadate 4.2 parts, niobium carbide 2.8 parts, iodate terbium 0.9 part, scum 6.5 parts, 3.6 parts of flyash, ammonium fluozirconate 4.2 parts, crystallite biotite 1.9 parts, thulium nitrate 1.2 parts, Digallium trioxide 2.7 parts.
4. the preparation method of the low abrasion magnalium nickel alloy bearing as described in any one of claim 1-3, it is characterised in that include following preparation process:
1) weigh material according to above-mentioned weight；
2) by melting after above-mentioned material mix homogeneously of weighing and be incubated 45-120 minute, melting thing is obtained standby；
3) watering rapidly to cast from by above-mentioned warm melting thing and obtain cast in casting die, the temperature of its casting die is 60-100 DEG C；
4) treating that the temperature of cast is reduced to rapidly 145-175 DEG C and is placed in tempering furnace and carries out temper, its furnace temperature is set to 196-220 DEG C, and temperature retention time is 3-6 hour；
5) treat that the cast of tempered process naturally cools to room temperature, obtain required low abrasion magnalium nickel alloy bearing.
The preparation method of low abrasion magnalium nickel alloy bearing the most according to claim 4, it is characterised in that described step 2) in melting and be incubated 75 minutes.
The preparation method of low abrasion magnalium nickel alloy bearing the most according to claim 4, it is characterised in that the temperature of the casting die in described step 3) is 87 DEG C.
The preparation method of low abrasion magnalium nickel alloy bearing the most according to claim 4, it is characterized in that, described step 4) being treated, the temperature of cast is reduced to rapidly 162 DEG C by the cooling rate of 25 DEG C/min and is placed in tempering furnace and carries out temper, its furnace temperature is set to 210 DEG C, and temperature retention time is 4 hours.
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| CN201610216443.3A CN105840658A (en) | 2016-04-08 | 2016-04-08 | Low-wear aluminum-magnesium-nickel alloy bearing and preparation method thereof |
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| CN201610216443.3A CN105840658A (en) | 2016-04-08 | 2016-04-08 | Low-wear aluminum-magnesium-nickel alloy bearing and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1281955A (en) * | 2000-09-05 | 2001-01-31 | 海安县鹰球集团有限公司 | Powder metallurgy rare-earth iron bronze alloy oil-impregnated bearing and its manufacturing method |
| JP2009174016A (en) * | 2008-01-25 | 2009-08-06 | Muroran Institute Of Technology | Method for producing porous sintered compact for air bearing, and porous sintered compact for air bearing |
| CN104084587A (en) * | 2014-06-06 | 2014-10-08 | 马鞍山市恒毅机械制造有限公司 | Manufacturing method of powder metallurgical hub bearing unit |
| CN104213040A (en) * | 2014-08-27 | 2014-12-17 | 南京创贝高速传动机械有限公司 | Special steel material for high-strength bearing and machining process of high-strength bearing |
| CN104372250A (en) * | 2014-11-07 | 2015-02-25 | 江苏天舜金属材料集团有限公司 | Bearing ring blank and casting-rolling composite process thereof |
| CN105441735A (en) * | 2015-11-16 | 2016-03-30 | 利辛县江淮扬天汽车有限公司 | Aluminum-based composite bearing material high in adhesion resistance |
-
2016
- 2016-04-08 CN CN201610216443.3A patent/CN105840658A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281955A (en) * | 2000-09-05 | 2001-01-31 | 海安县鹰球集团有限公司 | Powder metallurgy rare-earth iron bronze alloy oil-impregnated bearing and its manufacturing method |
| JP2009174016A (en) * | 2008-01-25 | 2009-08-06 | Muroran Institute Of Technology | Method for producing porous sintered compact for air bearing, and porous sintered compact for air bearing |
| CN104084587A (en) * | 2014-06-06 | 2014-10-08 | 马鞍山市恒毅机械制造有限公司 | Manufacturing method of powder metallurgical hub bearing unit |
| CN104213040A (en) * | 2014-08-27 | 2014-12-17 | 南京创贝高速传动机械有限公司 | Special steel material for high-strength bearing and machining process of high-strength bearing |
| CN104372250A (en) * | 2014-11-07 | 2015-02-25 | 江苏天舜金属材料集团有限公司 | Bearing ring blank and casting-rolling composite process thereof |
| CN105441735A (en) * | 2015-11-16 | 2016-03-30 | 利辛县江淮扬天汽车有限公司 | Aluminum-based composite bearing material high in adhesion resistance |
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Application publication date: 20160810 |