CN106168254B - A kind of motor bearings - Google Patents

A kind of motor bearings Download PDF

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Publication number
CN106168254B
CN106168254B CN201610706799.5A CN201610706799A CN106168254B CN 106168254 B CN106168254 B CN 106168254B CN 201610706799 A CN201610706799 A CN 201610706799A CN 106168254 B CN106168254 B CN 106168254B
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China
Prior art keywords
parts
outer ring
inner race
bearing inner
nickel alloy
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Expired - Fee Related
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CN201610706799.5A
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Chinese (zh)
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CN106168254A (en
Inventor
宋震天
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Standard Electric Machinery Zhuhai Co Ltd
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Xinchang Diligent Trading Co Ltd
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Priority to CN201711388260.0A priority Critical patent/CN107939829B/en
Priority to CN201610706799.5A priority patent/CN106168254B/en
Publication of CN106168254A publication Critical patent/CN106168254A/en
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Publication of CN106168254B publication Critical patent/CN106168254B/en
Expired - Fee Related legal-status Critical Current
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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, the retainer is located between nickel alloy bearing outer ring and nickel alloy bearing inner race, the roller is 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, 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 bearing technology field.
Background technology
Bearing（Bearing）It is a kind of important spare part in contemporary plant equipment.Its major function is support machinery rotation Swivel, reduces the coefficient of friction in its motion process, and ensure its rotating accuracy.By the difference of motor element frictional property, axle Hold normalized, seriation, but as mechanical shrewdness requires more and more 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 located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is 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, lubricating grease is filled with the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Retainer raw material forms：Polyether-ether-ketone 120-130 parts, polyimides 20-25 parts, polyphenylene sulfide 10- 12 parts, carborundum 5-6 parts, graphite 3-4 parts, after weighing above-mentioned raw materials mixing by weight, made after being preheated using extruder Grain；Mold temperature is in 200 DEG C of preheatings afterwards；Particle is heated to forming melt, injection pressure 50-60MPa after granulation：Inject mould In, keep 40-50MPa pressure to continue 30 seconds,
Lubricating grease parts by weight include：Mineral oil 40-50 parts, lithium hydroxide 8-10 parts, ten dihydroxystearic acid 5-6 parts, fat Fatty acid methyl esters 2-3 parts, sodium citrate 2-3 parts, alkyl phosphate 1-2 parts, sodium molybdate 1-2 parts,
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 needed for bearing inner race and bearing outer ring Nickel alloy is stocked up respectively, and material base is forged using forging press, and it is 1120 DEG C just to forge temperature, by the vertical jumping-up of material base, pressure Power machine often depresses 20-25mm pause 6s, 910 DEG C of final forging temperature, is manufactured respectively outside bearing inner race blank and bearing after conducting forging processing Blank is enclosed, by bearing inner race blank and bearing outer ring blank heating, temperature control is squeezed after being incubated 20 minutes at 950-960 DEG C Pressure, it is punched out to obtain precast hollow spinning blank after being incubated 3 hours at 750-760 DEG C afterwards, is carried out afterwards on spinning machine Rotary pressing processing, first passage spinning amount of feeding 0.5mm/r, temperature are maintained at 930-940 DEG C；Reduction 30-40 ﹪, first passage spinning Blank is controlled afterwards and is incubated 0.5 hour at 660-670 DEG C, carries out two passage spinning afterwards, temperature is maintained at 870-880 DEG C；Subtract Thin rate 40-50 ﹪, amount of feeding 0.7mm/r, respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching afterwards, Hardening heat is 720-730 DEG C, carries out temper afterwards, and temperature is 320-330 DEG C, tempering time 2 hours, is air-cooled to Room temperature；Bearing inner race and bearing outer ring carry out being machined chamfering and grease trough；Bearing inner race and bearing outer ring are entered afterwards Row grinding, the precision after grinding are Ra0.1.
A kind of described motor bearings, blank heating is incubated 0.5 hour to 660 DEG C after first passage spinning.
A kind of described motor bearings, blank heating is incubated 0.5 hour to 670 DEG C after first passage spinning.
A kind of described motor bearings, blank heating is incubated 0.5 hour to 665 DEG C after first passage spinning.
A kind of described 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 described 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 described 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 described 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 described 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 described 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 the rolling element that can make to rotate at a high speed absorbs 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 located 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, it 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 are located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is 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, 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 ﹪, 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 For Ni, stocked up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base is forged using forging press, just forging Temperature is 1120 DEG C, and by the vertical jumping-up of material base, forcing press often depresses 20-25mm pause 6s, 910 DEG C of final forging temperature, conducting forging processing Bearing inner race blank and bearing outer ring blank are manufactured respectively afterwards, by bearing inner race blank and bearing outer ring blank heating, temperature control System is extruded after 20 minutes in 950-960 DEG C of insulation, is punched out to obtain after 3 hours in 750-760 DEG C of insulation afterwards prefabricated Hollow spinning blank, carries out rotary pressing processing, first passage spinning amount of feeding 0.5mm/r on spinning machine afterwards, and temperature is maintained at 930-940℃；Reduction 30-40 ﹪, blank control is incubated 0.5 hour at 660-670 DEG C after first passage spinning, carried out afterwards Two passage spinning, temperature are 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, Water Quenching is carried out afterwards, hardening heat is 720-730 DEG C, carries out temper, temperature afterwards For 320-330 DEG C, tempering time 2 hours, room temperature is air-cooled to；Bearing inner race and bearing outer ring carry out being machined chamfering and lubrication Fat groove；Grinding is carried out to bearing inner race and bearing outer ring afterwards, the precision after grinding is Ra0.1,
Lubricating grease parts by weight include：40 parts of mineral oil, 8 parts of lithium hydroxide, 5 parts of ten dihydroxystearic acid, fatty acid methyl ester 2 Part, 2 parts of sodium citrate, 1 part of alkyl phosphate, 1 part of sodium molybdate,
Retainer raw material forms：120 parts of polyether-ether-ketone, 20 parts of polyimides, 10 parts of polyphenylene sulfide, carborundum 5 parts, 3 parts of graphite, after weighing above-mentioned raw materials mixing by weight, it is granulated after being preheated using extruder；Mold temperature afterwards 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.
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, the retainer are located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is 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, 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 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 For Ni, stocked up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base is forged using forging press, just forging Temperature is 1120 DEG C, and by the vertical jumping-up of material base, forcing press often depresses 20-25mm pause 6s, 910 DEG C of final forging temperature, conducting forging processing Bearing inner race blank and bearing outer ring blank are manufactured respectively afterwards, by bearing inner race blank and bearing outer ring blank heating, temperature control System is extruded after 20 minutes in 950-960 DEG C of insulation, is punched out to obtain after 3 hours in 750-760 DEG C of insulation afterwards prefabricated Hollow spinning blank, carries out rotary pressing processing, first passage spinning amount of feeding 0.5mm/r on spinning machine afterwards, and temperature is maintained at 930-940℃；Reduction 30-40 ﹪, blank control is incubated 0.5 hour at 660-670 DEG C after first passage spinning, carried out afterwards Two passage spinning, temperature are 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, Water Quenching is carried out afterwards, hardening heat is 720-730 DEG C, carries out temper, temperature afterwards For 320-330 DEG C, tempering time 2 hours, room temperature is air-cooled to；Bearing inner race and bearing outer ring carry out being machined chamfering and lubrication Fat groove；Grinding is carried out to bearing inner race and bearing outer ring afterwards, the precision after grinding is Ra0.1,
Lubricating grease parts by weight include：50 parts of mineral oil, 10 parts of lithium hydroxide, 6 parts of ten dihydroxystearic acid, fatty acid methyl ester 3 parts, 3 parts of sodium citrate, 2 parts of alkyl phosphate, 2 parts of sodium molybdate,
Retainer raw material forms：130 parts of polyether-ether-ketone, 25 parts of polyimides, 12 parts of polyphenylene sulfide, carborundum 6 parts, 4 parts of graphite, after weighing above-mentioned raw materials mixing by weight, it is granulated after being preheated using extruder；Mold temperature afterwards 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.
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, the retainer are located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is 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, 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 7.5 ﹪, 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 Ni, are stocked up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base Forged using forging press, 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, 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 axle Bearing outer-ring blank heating, temperature control are extruded after being incubated 20 minutes at 950-960 DEG C, small in 750-760 DEG C of insulation 3 afterwards When after be punched out to obtain precast hollow spinning blank, rotary pressing processing, the first passage spinning amount of feeding are carried out on spinning machine afterwards 0.5mm/r, temperature are maintained at 930-940 DEG C；Reduction 30-40 ﹪, by blank control in 660-670 DEG C of guarantor after first passage spinning Temperature 0.5 hour, carries out two passage spinning, temperature is maintained at 870-880 DEG C afterwards；Reduction 40-50 ﹪, amount of feeding 0.7mm/r, Respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching afterwards, hardening heat is 720-730 DEG C, it is laggard Row temper, temperature are 320-330 DEG C, tempering time 2 hours, are air-cooled to room temperature；Bearing inner race and bearing outer ring enter Row machining chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring afterwards, the precision after grinding is Ra0.1,
Lubricating grease parts by weight include：45 parts of mineral oil, 9 parts of lithium hydroxide, 5.5 parts of ten dihydroxystearic acid, fatty acid methyl 2.5 parts of ester, 2.5 parts of sodium citrate, 1.5 parts of alkyl phosphate, 1.5 parts of sodium molybdate,
Retainer raw material forms：125 parts of polyether-ether-ketone, 23 parts of polyimides, 11 parts of polyphenylene sulfide, carborundum 5.5 parts, 3.5 parts of graphite, after weighing above-mentioned raw materials mixing by weight, it 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.
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, the retainer are located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is 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, 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, are stocked up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base Forged using forging press, 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, 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 axle Bearing outer-ring blank heating, temperature control are extruded after being incubated 20 minutes at 950-960 DEG C, small in 750-760 DEG C of insulation 3 afterwards When after be punched out to obtain precast hollow spinning blank, rotary pressing processing, the first passage spinning amount of feeding are carried out on spinning machine afterwards 0.5mm/r, temperature are maintained at 930-940 DEG C；Reduction 30-40 ﹪, by blank control in 660-670 DEG C of guarantor after first passage spinning Temperature 0.5 hour, carries out two passage spinning, temperature is maintained at 870-880 DEG C afterwards；Reduction 40-50 ﹪, amount of feeding 0.7mm/r, Respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching afterwards, hardening heat is 720-730 DEG C, it is laggard Row temper, temperature are 320-330 DEG C, tempering time 2 hours, are air-cooled to room temperature；Bearing inner race and bearing outer ring enter Row machining chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring afterwards, the 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, aliphatic acid 2.7 parts of methyl esters, 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, carbonization 5.3 parts of silicon, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, it is granulated after being preheated using extruder；Rear mold Has temperature 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.
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, the retainer are located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is 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, 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 7.2 ﹪, 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 Ni, are stocked up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base Forged using forging press, 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, 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 axle Bearing outer-ring blank heating, temperature control are extruded after being incubated 20 minutes at 950-960 DEG C, small in 750-760 DEG C of insulation 3 afterwards When after be punched out to obtain precast hollow spinning blank, rotary pressing processing, the first passage spinning amount of feeding are carried out on spinning machine afterwards 0.5mm/r, temperature are maintained at 930-940 DEG C；Reduction 30-40 ﹪, by blank control in 660-670 DEG C of guarantor after first passage spinning Temperature 0.5 hour, carries out two passage spinning, temperature is maintained at 870-880 DEG C afterwards；Reduction 40-50 ﹪, amount of feeding 0.7mm/r, Respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching afterwards, hardening heat is 720-730 DEG C, it is laggard Row temper, temperature are 320-330 DEG C, tempering time 2 hours, are air-cooled to room temperature；Bearing inner race and bearing outer ring enter Row machining chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring afterwards, the precision after grinding is Ra0.1,
Lubricating grease parts by weight include：47 parts of mineral oil, 9.6 parts of lithium hydroxide, 5.2 parts of ten dihydroxystearic acid, aliphatic acid 2.3 parts of methyl esters, 2.8 parts of sodium citrate, 1.6 parts of alkyl phosphate, 1.8 parts of sodium molybdate,
Retainer raw material forms：128 parts of polyether-ether-ketone, 24 parts of polyimides, 11.6 parts of polyphenylene sulfide, carbonization 5.7 parts of silicon, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, it is granulated after being preheated using extruder；Rear mold Has temperature 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 (1)

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 located between nickel alloy bearing outer ring and nickel alloy bearing inner race, and on retainer, nickel closes the roller 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, lubricating grease is filled with the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Retainer raw material forms：Polyether-ether-ketone 120-130 parts, polyimides 20-25 parts, polyphenylene sulfide 10-12 parts, Carborundum 5-6 parts, graphite 3-4 parts, after weighing above-mentioned raw materials mixing by weight, it 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：Mineral oil 40-50 parts, lithium hydroxide 8-10 parts, ten dihydroxystearic acid 5-6 parts, aliphatic acid Methyl esters 2-3 parts, sodium citrate 2-3 parts, alkyl phosphate 1-2 parts, sodium molybdate 1-2 parts,
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 Stocked 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, 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 control is extruded after being incubated 20 minutes at 950-960 DEG C, afterwards It is punched out to obtain precast hollow spinning blank after being incubated 3 hours at 750-760 DEG C, 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 is incubated 0.5 hour at 660-670 DEG C, carries out two passage spinning afterwards, temperature is maintained at 870-880 DEG C；Reduction 40- 50 ﹪, amount of feeding 0.7mm/r, bearing inner race and bearing outer ring prefabricated component are respectively obtained, carry out Water Quenching, hardening heat afterwards For 720-730 DEG C, temper is carried out afterwards, and temperature is 320-330 DEG C, tempering time 2 hours, is air-cooled to room temperature；Axle Hold inner ring and bearing outer ring carries out being machined chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring afterwards to add Work, the precision after grinding are Ra0.1.
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