CN107939829A - A kind of motor bearings - Google Patents
A kind of motor bearings Download PDFInfo
- Publication number
- CN107939829A CN107939829A CN201711388260.0A CN201711388260A CN107939829A CN 107939829 A CN107939829 A CN 107939829A CN 201711388260 A CN201711388260 A CN 201711388260A CN 107939829 A CN107939829 A CN 107939829A
- Authority
- CN
- China
- Prior art keywords
- parts
- outer ring
- inner race
- nickel alloy
- bearing inner
- Prior art date
- 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.)
- Granted
Links
- 229910000990 Ni alloy Inorganic materials 0.000 claims abstract description 35
- 239000004519 grease Substances 0.000 claims abstract description 22
- 230000001050 lubricating effect Effects 0.000 claims abstract description 13
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 12
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000009987 spinning Methods 0.000 claims description 21
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000005242 forging Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- SXNBVULTHKFMNO-UHFFFAOYSA-N 2,2-dihydroxyoctadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)(O)C(O)=O SXNBVULTHKFMNO-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 6
- -1 alkyl phosphate Chemical compound 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002480 mineral oil Substances 0.000 claims description 6
- 235000010446 mineral oil Nutrition 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 239000001509 sodium citrate Substances 0.000 claims description 6
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 6
- 239000011684 sodium molybdate Substances 0.000 claims description 6
- 235000015393 sodium molybdate Nutrition 0.000 claims description 6
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 6
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000005461 lubrication Methods 0.000 abstract description 3
- 206010020843 Hyperthermia Diseases 0.000 abstract description 2
- 230000036031 hyperthermia Effects 0.000 abstract description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
- F16C19/361—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with cylindrical rollers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/56—Selection of substances
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/52—Polyphenylene sulphide [PPS]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
- Lubricants (AREA)
Abstract
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller, the retainer is arranged between nickel alloy bearing outer ring and nickel alloy bearing inner race, the roller is arranged on retainer, nickel alloy bearing outer ring inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant fat groove, grease trough section semicircular in shape, roller and bearing outer ring on the retainer, lubricating grease is filled with running clearance between bearing inner race, lubricating grease to obtain sufficient lubrication between bearing inner race and bearing outer ring and rolling element, and grease trough section semicircular in shape provides sufficient heat-dissipating space, avoid influence of the localized hyperthermia to bearing.
Description
Technical field
The present invention relates to a kind of motor bearings, belongs to motor bearing technology field.
Background technology
Bearing（Bearing）It is a kind of important spare part in contemporary mechanical equipment.Its major function is support machinery rotation
Swivel, reduces the friction coefficient in its motion process, and ensure its rotating accuracy.By the difference of motor element frictional property, axis
Hold normalized, seriation, but with mechanical shrewdness require it is higher and higher, to bear vibration and noise compared with and cost have compared with
High request.
The content of the invention
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder,
Roller, the retainer are arranged between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is arranged on retainer, nickel
Alloy bearing inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant fat groove, and grease trough section is in semicircle
Shape, is filled with lubricating grease in the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Retainer raw material forms：120-130 parts of polyether-ether-ketone, 20-25 parts of polyimides, 10-12 parts of polyphenylene sulfide,
5-6 parts of carborundum, 3-4 parts of graphite, after weighing above-mentioned raw materials mixing by weight, is granulated after being preheated using extruder；It
Rear mold temperature is in 200 DEG C of preheatings；Particle is heated to forming melt, injection pressure 50-60MPa after granulation：Inject in mould,
40-50MPa pressure is kept to continue 30 seconds,
Lubricating grease parts by weight include：40-50 parts of mineral oil, 8-10 parts of lithium hydroxide, 5-6 parts of ten dihydroxystearic acid, aliphatic acid
2-3 parts of methyl esters, 2-3 parts of sodium citrate, 1-2 parts of alkyl phosphate, 1-2 parts of sodium molybdate,
Bearing inner race and bearing outer ring nickel alloy element weight percentage are：Mg 7-8 ﹪, Cr 2-3 ﹪, Co 1-2 ﹪, Al
0.8-0.9 ﹪, Ti 0.5-0.6 ﹪, Nb 0.4-0.5 ﹪, Ca 0.1-0.2 ﹪, Mo 0.07-0.08 ﹪, Ag 0.06-
0.07 ﹪, C 0.03-0.04 ﹪, La 0.03-0.04 ﹪, surplus Ni, according to nickel alloy needed for bearing inner race and bearing outer ring
Stock up respectively, material base is forged using forging press, and it is 1120 DEG C just to forge temperature, and the vertical jumping-up of material base, forcing press is every
20-25mm pause 6s are depressed, 910 DEG C of final forging temperature, manufactures bearing inner race blank and bearing outer ring blank respectively after conducting forging processing,
By bearing inner race blank and bearing outer ring blank heating, temperature control is extruded after twenty minutes in 950-960 DEG C of insulation, afterwards
It is punched out to obtain precast hollow spinning blank after when 750-760 DEG C of insulation 3 is small, carrying out spinning on spinning machine afterwards adds
Work, first passage spinning amount of feeding 0.5mm/r, temperature are maintained at 930-940 DEG C；Reduction 30-40 ﹪, by base after first passage spinning
Material control carries out two passage spinning, temperature is maintained at 870-880 DEG C afterwards when 660-670 DEG C of insulation 0.5 is small；Reduction 40-
50 ﹪, amount of feeding 0.7mm/r, respectively obtains bearing inner race and bearing outer ring prefabricated component, carries out Water Quenching, hardening heat afterwards
For 720-730 DEG C, temper is carried out afterwards, and temperature is 320-330 DEG C, when tempering time 2 is small, is air-cooled to room temperature；Axis
Hold inner ring and bearing outer ring carries out mechanical processing chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring afterwards to add
Work, precision after grinding are Ra0.1.
A kind of motor bearings, after first passage spinning by blank heating to 660 DEG C of insulations 0.5 it is small when.
A kind of motor bearings, after first passage spinning by blank heating to 670 DEG C of insulations 0.5 it is small when.
A kind of motor bearings, after first passage spinning by blank heating to 665 DEG C of insulations 0.5 it is small when.
A kind of motor bearings, lubricating grease include：40 parts of mineral oil, 8 parts of lithium hydroxide, ten dihydroxystearic acids 5
Part, 2 parts of fatty acid methyl ester, 2 parts of sodium citrate, 1 part of alkyl phosphate, 1 part of sodium molybdate.
A kind of motor bearings, lubricating grease include：50 parts of mineral oil, 10 parts of lithium hydroxide, ten dihydroxystearic acids 6
Part, 3 parts of fatty acid methyl ester, 3 parts of sodium citrate, 2 parts of alkyl phosphate, 2 parts of sodium molybdate.
A kind of motor bearings, lubricating grease include：45 parts of mineral oil, 9 parts of lithium hydroxide, ten dihydroxystearic acids
5.5 parts, 2.5 parts of fatty acid methyl ester, 2.5 parts of sodium citrate, 1.5 parts of alkyl phosphate, 1.5 parts of sodium molybdate.
A kind of motor bearings, retainer raw material composition are：120 parts of polyether-ether-ketone, 20 parts of polyimides, polyphenylene sulfide
10 parts of ether, 5 parts of carborundum, 3 parts of graphite.
A kind of motor bearings, retainer raw material composition are：130 parts of polyether-ether-ketone, 25 parts of polyimides, polyphenylene sulfide
12 parts of ether, 6 parts of carborundum, 4 parts of graphite.
A kind of motor bearings, retainer raw material composition are：125 parts of polyether-ether-ketone, 23 parts of polyimides, polyphenylene sulfide
11 parts of ether, 5.5 parts of carborundum, 3.5 parts of graphite.
Nickel-base alloy tensile strength of the present invention reaches 672MPa, and wear rate reaches 0.26 × 10-4 mm3N-1m-1, Ni-based conjunction
Gold meets the requirement of the mechanical performance of bearing inner race and bearing outer ring, and the service life of material improves, and wearability is higher.Use
Retainer made of polyether-ether-ketone composite material has preferably elasticity and intensity, and high-speed rotating rolling element can be made to absorb one
Portion of energy reduces vibration and noise, lubricating grease to obtain sufficient lubrication between bearing inner race and bearing outer ring and rolling element,
And grease trough section semicircular in shape provides sufficient heat-dissipating space, avoids influence of the localized hyperthermia to bearing.
Brief description of the drawings
Fig. 1 is motor bearings schematic cross-section.
Embodiment
A kind of motor bearings as described in Figure 1, including nickel alloy bearing outer ring 1, nickel alloy bearing inner race 2, polyether-ether-ketone base
Composite holder 3, roller 4, the retainer are arranged between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is set
In on retainer, nickel alloy bearing outer ring inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant fat groove 5, lubrication
Fat slot cross-section semicircular in shape, is filled with the running clearance between roller and bearing outer ring, bearing inner race on the retainer
Lubricating grease,
Embodiment 1
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller,
The retainer is arranged between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is arranged on retainer, nickel alloy
Bearing outer ring inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant fat groove, grease trough section semicircular in shape,
Lubricating grease is filled with the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage are：Mg 7.3 ﹪, Cr 2.2 ﹪, Co 1.3 ﹪, Al
0.81 ﹪, Ti 0.56 ﹪, Nb 0.47 ﹪, Ca 0.18 ﹪, Mo 0.076 ﹪, Ag 0.068 ﹪, C 0.039 ﹪, La
0.036 ﹪, surplus Ni, stock up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, and material base uses forging press
Forged, it is 1120 DEG C just to forge temperature, and by the vertical jumping-up of material base, forcing press often depresses 20-25mm pause 6s, final forging temperature
910 DEG C, bearing inner race blank and bearing outer ring blank are manufactured after conducting forging processing respectively, by bearing inner race blank and bearing outer ring base
Material heating, temperature control extruded after twenty minutes in 950-960 DEG C of insulation, afterwards 750-760 DEG C keep the temperature 3 it is small when after carry out
Punching obtains precast hollow spinning blank, carries out rotary pressing processing on spinning machine afterwards, first passage spinning amount of feeding 0.5mm/r,
Temperature is maintained at 930-940 DEG C；Reduction 30-40 ﹪ are small in 660-670 DEG C of insulation 0.5 by blank control after first passage spinning
When, two passage spinning are carried out afterwards, and temperature is maintained at 870-880 DEG C；Reduction 40-50 ﹪, amount of feeding 0.7mm/r, respectively
To bearing inner race and bearing outer ring prefabricated component, Water Quenching is carried out afterwards, and hardening heat is 720-730 DEG C, is tempered afterwards
Processing, temperature are 320-330 DEG C, when tempering time 2 is small, are air-cooled to room temperature；Bearing inner race and bearing outer ring carry out machinery
Process chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring afterwards, precision after grinding is Ra0.1,
Lubricating grease parts by weight include：43 parts of mineral oil, 8.7 parts of lithium hydroxide, 5.3 parts of ten dihydroxystearic acid, fatty acid methyl ester
2.7 parts, 2.8 parts of sodium citrate, 1.3 parts of alkyl phosphate, 1.2 parts of sodium molybdate,
Retainer raw material forms：123 parts of polyether-ether-ketone, 21 parts of polyimides, 10.2 parts of polyphenylene sulfide, carborundum
5.3 parts, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, is granulated after being preheated using extruder；Rear mold
Temperature is in 200 DEG C of preheatings；Particle is heated to forming melt, injection pressure 50-60MPa after granulation：Inject in mould, keep 40-
50MPa pressure continues 30 seconds.
Claims (3)
1. a kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, rolling
Son, the retainer are arranged between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is arranged on retainer, and nickel closes
Golden bearing outer ring inner surface and nickel alloy bearing inner race outer surface is provided with annular lubricant fat groove, and grease trough section is in semicircle
Shape, is filled with lubricating grease in the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage are：Mg 7.3 ﹪, Cr 2.2 ﹪, Co 1.3 ﹪, Al
0.81 ﹪, Ti 0.56 ﹪, Nb 0.47 ﹪, Ca 0.18 ﹪, Mo 0.076 ﹪, Ag 0.068 ﹪, C 0.039 ﹪, La
0.036 ﹪, surplus Ni, stock up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, and material base uses forging press
Forged, it is 1120 DEG C just to forge temperature, and by the vertical jumping-up of material base, forcing press often depresses 20-25mm pause 6s, final forging temperature
910 DEG C, bearing inner race blank and bearing outer ring blank are manufactured after conducting forging processing respectively, by bearing inner race blank and bearing outer ring base
Material heating, temperature control extruded after twenty minutes in 950-960 DEG C of insulation, afterwards 750-760 DEG C keep the temperature 3 it is small when after carry out
Punching obtains precast hollow spinning blank, carries out rotary pressing processing on spinning machine afterwards, first passage spinning amount of feeding 0.5mm/r,
Temperature is maintained at 930-940 DEG C；Reduction 30-40 ﹪ are small in 660-670 DEG C of insulation 0.5 by blank control after first passage spinning
When, two passage spinning are carried out afterwards, and temperature is maintained at 870-880 DEG C；Reduction 40-50 ﹪, amount of feeding 0.7mm/r, respectively
To bearing inner race and bearing outer ring prefabricated component, Water Quenching is carried out afterwards, and hardening heat is 720-730 DEG C, is tempered afterwards
Processing, temperature are 320-330 DEG C, when tempering time 2 is small, are air-cooled to room temperature；Bearing inner race and bearing outer ring carry out machinery
Process chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring afterwards, precision after grinding is Ra0.1,
Lubricating grease parts by weight include：43 parts of mineral oil, 8.7 parts of lithium hydroxide, 5.3 parts of ten dihydroxystearic acid, fatty acid methyl ester
2.7 parts, 2.8 parts of sodium citrate, 1.3 parts of alkyl phosphate, 1.2 parts of sodium molybdate,
Retainer raw material forms：123 parts of polyether-ether-ketone, 21 parts of polyimides, 10.2 parts of polyphenylene sulfide, carborundum
5.3 parts, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, is granulated after being preheated using extruder；Rear mold
Temperature is in 200 DEG C of preheatings；Particle is heated to forming melt, injection pressure 50-60MPa after granulation：Inject in mould, keep 40-
50MPa pressure continues 30 seconds.
2. a kind of motor bearings as claimed in claim 1, first passage spinning amount of feeding 0.5mm/r, temperature are maintained at 930-940
℃。
3. a kind of motor bearings as claimed in claim 3, carries out two passage spinning, temperature is maintained at 870-880 DEG C；Reduction
40-50 ﹪.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388260.0A CN107939829B (en) | 2016-08-23 | 2016-08-23 | A kind of motor bearings |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610706799.5A CN106168254B (en) | 2016-08-23 | 2016-08-23 | A kind of motor bearings |
| CN201711388260.0A CN107939829B (en) | 2016-08-23 | 2016-08-23 | A kind of motor bearings |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610706799.5A Division CN106168254B (en) | 2016-08-23 | 2016-08-23 | A kind of motor bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939829A true CN107939829A (en) | 2018-04-20 |
| CN107939829B CN107939829B (en) | 2019-05-17 |
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| CN201711388260.0A Active CN107939829B (en) | 2016-08-23 | 2016-08-23 | A kind of motor bearings |
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| CN201610706799.5A Expired - Fee Related CN106168254B (en) | 2016-08-23 | 2016-08-23 | A kind of motor bearings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411160A (en) * | 2018-03-28 | 2018-08-17 | 清华大学 | Self-lubricating bearing and preparation method thereof with adaptive characteristic |
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| JP2000154825A (en) * | 1998-11-19 | 2000-06-06 | Koyo Seiko Co Ltd | Rolling bearing |
| CN1993560A (en) * | 2005-01-31 | 2007-07-04 | 日本精工株式会社 | Thin-wall bearing |
| CN102239337A (en) * | 2008-12-02 | 2011-11-09 | Skf公司 | Bearing unit |
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| CN203702847U (en) * | 2013-12-27 | 2014-07-09 | 宁波达尔轴承有限公司 | Galvanized nickel alloy motor bearing |
| CN203784102U (en) * | 2014-03-28 | 2014-08-20 | 上海东培企业有限公司 | Ball bearing for high-speed motor |
| CN204985349U (en) * | 2015-09-24 | 2016-01-20 | 浙江宁帆轴承有限公司 | Tow bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411160A (en) * | 2018-03-28 | 2018-08-17 | 清华大学 | Self-lubricating bearing and preparation method thereof with adaptive characteristic |
| CN108411160B (en) * | 2018-03-28 | 2020-09-29 | 清华大学 | Self-lubricating bearing with self-adaptive characteristic and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107939829B (en) | 2019-05-17 |
| CN106168254B (en) | 2018-03-16 |
| CN106168254A (en) | 2016-11-30 |
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Effective date of registration: 20190411 Address after: 225200 Yingtai Industrial Park, Xiaoji Town, Jiangdu District, Yangzhou City, Jiangsu Province Applicant after: Yangzhou Yingtai Machinery Co., Ltd. Address before: 561005 Unit 104, Building 1, Jinxia Garden, Xixiu District, Anshun City, Guizhou Province Applicant before: Song Zhentian |
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