CN106168254A - A kind of motor bearings - Google Patents

A kind of motor bearings Download PDF

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Publication number
CN106168254A
CN106168254A CN201610706799.5A CN201610706799A CN106168254A CN 106168254 A CN106168254 A CN 106168254A CN 201610706799 A CN201610706799 A CN 201610706799A CN 106168254 A CN106168254 A CN 106168254A
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CN
China
Prior art keywords
parts
outer ring
inner race
bearing outer
nickel alloy
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Granted
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CN201610706799.5A
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Chinese (zh)
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CN106168254B (en
Inventor
宋震天
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Standard Electric Machinery Zhuhai Co Ltd
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Individual
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Priority to CN201610706799.5A priority Critical patent/CN106168254B/en
Priority to CN201711388260.0A priority patent/CN107939829B/en
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Publication of CN106168254B publication Critical patent/CN106168254B/en
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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
    • 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]

Abstract

A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller, described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, described roller is located 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 cross section semicircular in shape, it is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer, nickel-base alloy tensile strength reaches 672MPa, and wear rate reaches 0.26 × 10‑4 mm3N‑1m‑1, nickel-base alloy 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.

Description

A kind of motor bearings
Technical field
The present invention relates to a kind of motor bearings, belongs to motor bearings technical field.
Background technology
Bearing (Bearing) is a kind of important spare part in plant equipment in the present age.Its major function is to support machinery rotation Turn, reduce the coefficient of friction in its motor process, and ensure its rotating accuracy.By the difference of motor element frictional property, axle Holding the most normalized, seriation, but require along with machinery is astute more and more higher, to bear vibration and noise, relatively and cost has relatively High request.
Summary 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, described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller is located 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 cross section is semicircle Shape, is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer,
Retainer raw material consists of: polyether-ether-ketone 120-130 part, polyimides 20-25 part, polyphenylene sulfide 10-12 part, Carborundum 5-6 part, graphite 3-4 part, after weighing above-mentioned raw materials mixing by weight, after preheating, utilize extruder pelletize；It Rear mold temperature is 200 DEG C of preheatings；After pelletize, granule is heated to forming melt, injection pressure 50-60MPa: inject in mould, 40-50MPa pressure is kept to continue 30 seconds,
Grease weight portion includes: mineral oil 40-50 part, Lithium hydrate 8-10 part, ten dihydroxystearic acid 5-6 parts, fatty acid Methyl ester 2-3 part, sodium citrate 2-3 part, alkyl phosphate 1-2 part, sodium molybdate 1-2 part,
Bearing inner race and bearing outer ring nickel alloy element weight percentage be: 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 is Ni, according to nickel alloy needed for bearing inner race and bearing outer ring Getting the raw materials ready respectively, material base uses forging press to forge, and just forging temperature is 1120 DEG C, and by vertical for material base jumping-up, forcing press is every Pressure 20-25mm pause 6s, final forging temperature 910 DEG C, manufacture bearing inner race blank and bearing outer ring blank after conducting forging processing respectively, By bearing inner race blank and bearing outer ring blank heating, temperature extrudes, afterwards after controlling to be incubated 20 minutes at 950-960 DEG C It is punched out obtaining precast hollow spinning blank after being incubated 3 hours at 750-760 DEG C, on spinning machine, carries out spinning afterwards add Work, first passage spinning amount of feeding 0.5mm/r, temperature is maintained at 930-940 DEG C；Reduction 30-40, by base after first passage spinning Material controls to be incubated 0.5 hour at 660-670 DEG C, carries out two passage spinning afterwards, and temperature is maintained at 870-880 DEG C；Reduction 40- 50, amount of feeding 0.7mm/r, respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching, hardening heat afterwards For 720-730 DEG C, carrying out temper afterwards, temperature is 320-330 DEG C, and tempering time 2 hours, air cooling is to room temperature；Axle Hold inner ring and bearing outer ring carries out machining chamfering and grease trough；Afterwards bearing inner race and bearing outer ring are carried out grinding to add Work, the precision after grinding is Ra0.1.
Described a kind of motor bearings, is incubated 0.5 hour by blank heating to 660 DEG C after first passage spinning.
Described a kind of motor bearings, is incubated 0.5 hour by blank heating to 670 DEG C after first passage spinning.
Described a kind of motor bearings, is incubated 0.5 hour by blank heating to 665 DEG C after first passage spinning.
Described a kind of motor bearings, grease includes: 40 parts of mineral oil, Lithium hydrate 8 parts, ten dihydroxystearic acids 5 Part, fatty acid methyl ester 2 parts, sodium citrate 2 parts, alkyl phosphate 1 part, sodium molybdate 1 part.
Described a kind of motor bearings, grease includes: 50 parts of mineral oil, Lithium hydrate 10 parts, ten dihydroxystearic acids 6 Part, fatty acid methyl ester 3 parts, sodium citrate 3 parts, alkyl phosphate 2 parts, sodium molybdate 2 parts.
Described a kind of motor bearings, grease includes: 45 parts of mineral oil, Lithium hydrate 9 parts, ten dihydroxystearic acids 5.5 parts, fatty acid methyl ester 2.5 parts, sodium citrate 2.5 parts, alkyl phosphate 1.5 parts, sodium molybdate 1.5 parts.
Described a kind of motor bearings, retainer raw material consists of: polyether-ether-ketone 120 parts, polyimides 20 parts, polyphenylene sulfide 10 parts of ether, carborundum 5 parts, 3 parts of graphite.
Described a kind of motor bearings, retainer raw material consists of: polyether-ether-ketone 130 parts, polyimides 25 parts, polyphenylene sulfide 12 parts of ether, carborundum 6 parts, 4 parts of graphite.
Described a kind of motor bearings, retainer raw material consists of: polyether-ether-ketone 125 parts, polyimides 23 parts, polyphenylene sulfide 11 parts of ether, carborundum 5.5 parts, 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 The retainer that polyether-ether-ketone composite material is made has the most elastic and intensity, it is possible to make the rolling element of high speed rotating absorb one Portion of energy reduces vibration and noise, and grease makes to obtain between bearing inner race and bearing outer ring and rolling element sufficient lubrication, And grease trough cross section semicircular in shape provides sufficient heat-dissipating space, it is to avoid localized hyperthermia's impact on bearing.
Accompanying drawing explanation
Fig. 1 is motor bearings schematic cross-section.
Detailed description of the invention
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, described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller sets 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 in the running clearance between roller and bearing outer ring, bearing inner race on described retainer 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, Described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller is located 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 cross section semicircular in shape, It is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage be: Mg 7, Cr 2, Co 1, Al 0.8, Ti 0.5, Nb 0.4, Ca 0.1, Mo 0.07, Ag 0.06, C 0.03, La 0.03, surplus is Ni, root Getting the raw materials ready respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base uses forging press to forge, and just forging temperature is 1120 DEG C, by vertical for material base jumping-up, forcing press often depresses 20-25mm pause 6s, final forging temperature 910 DEG C, difference after conducting forging processing Manufacturing bearing inner race blank and bearing outer ring blank, by bearing inner race blank and bearing outer ring blank heating, temperature controls 950-960 DEG C insulation 20 minutes after extrude, afterwards 750-760 DEG C insulation 3 hours after be punched out obtaining precast hollow Spinning blank, carries out rotary pressing processing afterwards on spinning machine, and first passage spinning amount of feeding 0.5mm/r, temperature is maintained at 930-940 ℃；Reduction 30-40, controls blank after first passage spinning to be incubated 0.5 hour at 660-670 DEG C, carries out two passages afterwards Spinning, temperature is maintained at 870-880 DEG C；Reduction 40-50, amount of feeding 0.7mm/r, respectively obtain outside bearing inner race and bearing Circle prefabricated component, carries out Water Quenching afterwards, and hardening heat is 720-730 DEG C, carries out temper afterwards, and temperature is 320- 330 DEG C, tempering time 2 hours, air cooling is to room temperature；Bearing inner race and bearing outer ring carry out machining chamfering and grease trough； Afterwards bearing inner race and bearing outer ring being carried out grinding, the precision after grinding is Ra0.1,
Grease weight portion includes: 40 parts of mineral oil, Lithium hydrate 8 parts, ten dihydroxystearic acid 5 parts, fatty acid methyl ester 2 parts, Sodium citrate 2 parts, alkyl phosphate 1 part, sodium molybdate 1 part,
Retainer raw material consists of: polyether-ether-ketone 120 parts, polyimides 20 parts, polyphenylene sulfide 10 parts, carborundum 5 parts, 3 parts of graphite, after weighing above-mentioned raw materials mixing by weight, utilizes extruder pelletize after preheating；Mold temperature is 200 afterwards DEG C preheating；After pelletize, granule is heated to forming melt, injection pressure 50-60MPa: injects in mould, keeps 40-50MPa pressure Continue 30 seconds.
Embodiment 2
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller, Described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller is located 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 cross section semicircular in shape, It is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage be: Mg 8, Cr 3, Co 2, Al 0.9, Ti 0.6, Nb 0.5, Ca 0.2, Mo 0.08, Ag 0.07, C 0.04, La 0.04, surplus is Ni, root Getting the raw materials ready respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base uses forging press to forge, and just forging temperature is 1120 DEG C, by vertical for material base jumping-up, forcing press often depresses 20-25mm pause 6s, final forging temperature 910 DEG C, difference after conducting forging processing Manufacturing bearing inner race blank and bearing outer ring blank, by bearing inner race blank and bearing outer ring blank heating, temperature controls 950-960 DEG C insulation 20 minutes after extrude, afterwards 750-760 DEG C insulation 3 hours after be punched out obtaining precast hollow Spinning blank, carries out rotary pressing processing afterwards on spinning machine, and first passage spinning amount of feeding 0.5mm/r, temperature is maintained at 930-940 ℃；Reduction 30-40, controls blank after first passage spinning to be incubated 0.5 hour at 660-670 DEG C, carries out two passages afterwards Spinning, temperature is maintained at 870-880 DEG C；Reduction 40-50, amount of feeding 0.7mm/r, respectively obtain outside bearing inner race and bearing Circle prefabricated component, carries out Water Quenching afterwards, and hardening heat is 720-730 DEG C, carries out temper afterwards, and temperature is 320- 330 DEG C, tempering time 2 hours, air cooling is to room temperature；Bearing inner race and bearing outer ring carry out machining chamfering and grease trough； Afterwards bearing inner race and bearing outer ring being carried out grinding, the precision after grinding is Ra0.1,
Grease weight portion includes: 50 parts of mineral oil, Lithium hydrate 10 parts, ten dihydroxystearic acid 6 parts, fatty acid methyl ester 3 parts, Sodium citrate 3 parts, alkyl phosphate 2 parts, sodium molybdate 2 parts,
Retainer raw material consists of: polyether-ether-ketone 130 parts, polyimides 25 parts, polyphenylene sulfide 12 parts, carborundum 6 parts, 4 parts of graphite, after weighing above-mentioned raw materials mixing by weight, utilizes extruder pelletize after preheating；Mold temperature is 200 afterwards DEG C preheating；After pelletize, granule is heated to forming melt, injection pressure 50-60MPa: injects in mould, keeps 40-50MPa pressure Continue 30 seconds.
Embodiment 3
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller, Described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller is located 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 cross section semicircular in shape, It is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage be: Mg 7.5, Cr 2.5, Co 1.5, Al 0.85, Ti 0.55, Nb 0.45, Ca 0.15, Mo 0.075, Ag 0.065, C 0.035, La 0.035, surplus is Ni, gets the raw materials ready respectively according to nickel alloy needed for bearing inner race and bearing outer ring, and material base uses forging press Forging, just forging temperature is 1120 DEG C, and by vertical for material base jumping-up, forcing press often depresses 20-25mm pause 6s, final forging temperature 910 DEG C, after conducting forging processing, manufacture bearing inner race blank and bearing outer ring blank respectively, by bearing inner race blank and bearing outer ring base Material heating, temperature extrudes after controlling to be incubated 20 minutes at 950-960 DEG C, carries out after being incubated 3 hours at 750-760 DEG C afterwards Punching obtains precast hollow spinning blank, carries out rotary pressing processing afterwards on spinning machine, first passage spinning amount of feeding 0.5mm/r, Temperature is maintained at 930-940 DEG C；Reduction 30-40, controls 660-670 DEG C of insulation 0.5 little by blank after first passage spinning Time, carrying out two passage spinning afterwards, 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, carrying out Water Quenching afterwards, hardening heat is 720-730 DEG C, is tempered afterwards Processing, temperature is 320-330 DEG C, and tempering time 2 hours, air cooling is to room temperature；Bearing inner race and bearing outer ring carry out machinery Chamfering and grease trough；Afterwards bearing inner race and bearing outer ring being carried out grinding, the precision after grinding is Ra0.1,
Grease weight portion includes: 45 parts of mineral oil, Lithium hydrate 9 parts, ten dihydroxystearic acid 5.5 parts, fatty acid methyl ester 2.5 Part, sodium citrate 2.5 parts, alkyl phosphate 1.5 parts, sodium molybdate 1.5 parts,
Retainer raw material consists of: polyether-ether-ketone 125 parts, polyimides 23 parts, polyphenylene sulfide 11 parts, carborundum 5.5 Part, 3.5 parts of graphite, after weighing above-mentioned raw materials mixing by weight, after preheating, utilize extruder pelletize；Mold temperature afterwards 200 DEG C of preheatings；After pelletize, granule is heated to forming melt, injection pressure 50-60MPa: injects in mould, keeps 40- 50MPa pressure continues 30 seconds.
Embodiment 4
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller, Described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller is located 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 cross section semicircular in shape, It is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage be: 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 is Ni, gets the raw materials ready respectively according to nickel alloy needed for bearing inner race and bearing outer ring, and material base uses forging press Forging, just forging temperature is 1120 DEG C, and by vertical for material base jumping-up, forcing press often depresses 20-25mm pause 6s, final forging temperature 910 DEG C, after conducting forging processing, manufacture bearing inner race blank and bearing outer ring blank respectively, by bearing inner race blank and bearing outer ring base Material heating, temperature extrudes after controlling to be incubated 20 minutes at 950-960 DEG C, carries out after being incubated 3 hours at 750-760 DEG C afterwards Punching obtains precast hollow spinning blank, carries out rotary pressing processing afterwards on spinning machine, first passage spinning amount of feeding 0.5mm/r, Temperature is maintained at 930-940 DEG C；Reduction 30-40, controls 660-670 DEG C of insulation 0.5 little by blank after first passage spinning Time, carrying out two passage spinning afterwards, 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, carrying out Water Quenching afterwards, hardening heat is 720-730 DEG C, is tempered afterwards Processing, temperature is 320-330 DEG C, and tempering time 2 hours, air cooling is to room temperature；Bearing inner race and bearing outer ring carry out machinery Chamfering and grease trough；Afterwards bearing inner race and bearing outer ring being carried out grinding, the precision after grinding is Ra0.1,
Grease weight portion includes: 43 parts of mineral oil, Lithium hydrate 8.7 parts, ten dihydroxystearic acid 5.3 parts, fatty acid methyl ester 2.7 parts, sodium citrate 2.8 parts, alkyl phosphate 1.3 parts, sodium molybdate 1.2 parts,
Retainer raw material consists of: polyether-ether-ketone 123 parts, polyimides 21 parts, polyphenylene sulfide 10.2 parts, carborundum 5.3 parts, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, after preheating, utilize extruder pelletize；Rear mold Temperature is 200 DEG C of preheatings；After pelletize, granule is heated to forming melt, injection pressure 50-60MPa: injects in mould, keeps 40- 50MPa pressure continues 30 seconds.
Embodiment 5
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller, Described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller is located 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 cross section semicircular in shape, It is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage be: Mg 7.2, Cr 2.9, Co 1.8, Al 0.86, Ti 0.58, Nb 0.49, Ca 0.13, Mo 0.074, Ag 0.068, C 0.036, La 0.038, surplus is Ni, gets the raw materials ready respectively according to nickel alloy needed for bearing inner race and bearing outer ring, and material base uses forging press Forging, just forging temperature is 1120 DEG C, and by vertical for material base jumping-up, forcing press often depresses 20-25mm pause 6s, final forging temperature 910 DEG C, after conducting forging processing, manufacture bearing inner race blank and bearing outer ring blank respectively, by bearing inner race blank and bearing outer ring base Material heating, temperature extrudes after controlling to be incubated 20 minutes at 950-960 DEG C, carries out after being incubated 3 hours at 750-760 DEG C afterwards Punching obtains precast hollow spinning blank, carries out rotary pressing processing afterwards on spinning machine, first passage spinning amount of feeding 0.5mm/r, Temperature is maintained at 930-940 DEG C；Reduction 30-40, controls 660-670 DEG C of insulation 0.5 little by blank after first passage spinning Time, carrying out two passage spinning afterwards, 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, carrying out Water Quenching afterwards, hardening heat is 720-730 DEG C, is tempered afterwards Processing, temperature is 320-330 DEG C, and tempering time 2 hours, air cooling is to room temperature；Bearing inner race and bearing outer ring carry out machinery Chamfering and grease trough；Afterwards bearing inner race and bearing outer ring being carried out grinding, the precision after grinding is Ra0.1,
Grease weight portion includes: 47 parts of mineral oil, Lithium hydrate 9.6 parts, ten dihydroxystearic acid 5.2 parts, fatty acid methyl ester 2.3 parts, sodium citrate 2.8 parts, alkyl phosphate 1.6 parts, sodium molybdate 1.8 parts,
Retainer raw material consists of: polyether-ether-ketone 128 parts, polyimides 24 parts, polyphenylene sulfide 11.6 parts, carborundum 5.7 parts, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, after preheating, utilize extruder pelletize；Rear mold Temperature is 200 DEG C of preheatings；After pelletize, granule is heated to forming melt, injection pressure 50-60MPa: injects in mould, keeps 40- 50MPa pressure continues 30 seconds.

Claims (10)

1. a motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, rolling Son, described retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and described roller is located on retainer, and nickel closes Gold bearing outer ring inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant fat groove, and grease trough cross section is semicircle Shape, is filled with grease in the running clearance between roller and bearing outer ring, bearing inner race on described retainer,
Retainer raw material consists of: polyether-ether-ketone 120-130 part, polyimides 20-25 part, polyphenylene sulfide 10-12 part, Carborundum 5-6 part, graphite 3-4 part, after weighing above-mentioned raw materials mixing by weight, after preheating, utilize extruder pelletize；It Rear mold temperature is 200 DEG C of preheatings；After pelletize, granule is heated to forming melt, injection pressure 50-60MPa: inject in mould, 40-50MPa pressure is kept to continue 30 seconds,
Grease weight portion includes: mineral oil 40-50 part, Lithium hydrate 8-10 part, ten dihydroxystearic acid 5-6 parts, fatty acid Methyl ester 2-3 part, sodium citrate 2-3 part, alkyl phosphate 1-2 part, sodium molybdate 1-2 part,
Bearing inner race and bearing outer ring nickel alloy element weight percentage be: 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 is Ni, according to nickel alloy needed for bearing inner race and bearing outer ring Getting the raw materials ready respectively, material base uses forging press to forge, and just forging temperature is 1120 DEG C, and by vertical for material base jumping-up, forcing press is every Pressure 20-25mm pause 6s, final forging temperature 910 DEG C, manufacture bearing inner race blank and bearing outer ring blank after conducting forging processing respectively, By bearing inner race blank and bearing outer ring blank heating, temperature extrudes, afterwards after controlling to be incubated 20 minutes at 950-960 DEG C It is punched out obtaining precast hollow spinning blank after being incubated 3 hours at 750-760 DEG C, on spinning machine, carries out spinning afterwards add Work, first passage spinning amount of feeding 0.5mm/r, temperature is maintained at 930-940 DEG C；Reduction 30-40, by base after first passage spinning Material controls to be incubated 0.5 hour at 660-670 DEG C, carries out two passage spinning afterwards, and temperature is maintained at 870-880 DEG C；Reduction 40- 50, amount of feeding 0.7mm/r, respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching, hardening heat afterwards For 720-730 DEG C, carrying out temper afterwards, temperature is 320-330 DEG C, and tempering time 2 hours, air cooling is to room temperature；Axle Hold inner ring and bearing outer ring carries out machining chamfering and grease trough；Afterwards bearing inner race and bearing outer ring are carried out grinding to add Work, the precision after grinding is Ra0.1.
2. a kind of motor bearings as claimed in claim 1, is incubated 0.5 hour by blank heating to 660 DEG C after first passage spinning.
3. a kind of motor bearings as claimed in claim 1, is incubated 0.5 hour by blank heating to 670 DEG C after first passage spinning.
4. a kind of motor bearings as described in claim 1-3, by little for blank heating to 665 DEG C insulation 0.5 after first passage spinning Time.
5. a kind of motor bearings as described in claim 1-3, grease includes: 40 parts of mineral oil, Lithium hydrate 8 parts, 12 Hydroxy stearic acid 5 parts, fatty acid methyl ester 2 parts, sodium citrate 2 parts, alkyl phosphate 1 part, sodium molybdate 1 part.
6. a kind of motor bearings as claimed in claim 1, grease includes: 50 parts of mineral oil, Lithium hydrate 10 parts, ten dihydroxies Base stearic acid 6 parts, fatty acid methyl ester 3 parts, sodium citrate 3 parts, alkyl phosphate 2 parts, sodium molybdate 2 parts.
7. a kind of motor bearings as claimed in claim 1, grease includes: 45 parts of mineral oil, Lithium hydrate 9 parts, ten dihydroxies Base stearic acid 5.5 parts, fatty acid methyl ester 2.5 parts, sodium citrate 2.5 parts, alkyl phosphate 1.5 parts, sodium molybdate 1.5 parts.
8. a kind of motor bearings as claimed in claim 1, retainer raw material consists of: polyether-ether-ketone 120 parts, polyimides 20 Part, polyphenylene sulfide 10 parts, carborundum 5 parts, 3 parts of graphite.
9. a kind of motor bearings as claimed in claim 1, retainer raw material consists of: polyether-ether-ketone 130 parts, polyimides 25 Part, polyphenylene sulfide 12 parts, carborundum 6 parts, 4 parts of graphite.
10. a kind of motor bearings as claimed in claim 1, retainer raw material consists of: polyether-ether-ketone 125 parts, polyimides 23 parts, polyphenylene sulfide 11 parts, carborundum 5.5 parts, 3.5 parts of graphite.
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