CN108331838A - A kind of self-lubricating internal combustion engine bearing - Google Patents

A kind of self-lubricating internal combustion engine bearing Download PDF

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Publication number
CN108331838A
CN108331838A CN201810152376.2A CN201810152376A CN108331838A CN 108331838 A CN108331838 A CN 108331838A CN 201810152376 A CN201810152376 A CN 201810152376A CN 108331838 A CN108331838 A CN 108331838A
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China
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self
bearing
ball
lubricating
internal combustion
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CN201810152376.2A
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杨帆
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Individual
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Priority to CN201810152376.2A priority Critical patent/CN108331838A/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
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/14—Special methods of manufacture; Running-in
    • 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
    • F16C33/32—Balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F2003/145—Both compacting and sintering simultaneously by warm compacting, below debindering temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
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    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C10M2207/0225—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups used as base material
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
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  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
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  • Inorganic Chemistry (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

A kind of self-lubricating internal combustion engine bearing, including self-lubricating bearing inner ring, self-lubricating bearing outer ring and with the ceramic bearing ball of retainer, above-mentioned ceramic bearing ball is equipped between the self-lubricating bearing inner ring and self-lubricating bearing outer ring, preferably material can be made to radiate faster in conjunction with the self-lubricating material of the present invention using the grinding fluid of the present invention and reach Even Grinding effect, and improve the efficiency of grinding process.

Description

A kind of self-lubricating internal combustion engine bearing
Technical field
The present invention relates to a kind of self-lubricating internal combustion engine bearing, belongs to technical field of internal combustion engines.
Background technology
It is presently used for the bearing generally use aluminum alloy materials of internal combustion engine.With the development of auto industry, the property of internal combustion engine It can significantly improve, develop the output of bigger and faster rotating speed.Therefore bearing is needed to have in terms of sliding capability remarkably Performance, especially in terms of initial adaptability (initialconfomability) and seizure resistance and durability and lubrication Aspect.
Invention content
A kind of internal combustion engine bearing, including self-lubricating bearing inner ring, self-lubricating bearing outer ring and the ceramic shaft with retainer Ball is held, above-mentioned ceramic bearing ball is equipped between the self-lubricating bearing inner ring and self-lubricating bearing outer ring,
Self-lubricating bearing inner ring and self-lubricating bearing outer ring include basis material and lubriation material, basis material atomic percent For：Fe 6-7 ﹪, Mn 3-4 ﹪, Nb 1-2 ﹪, Mg 0.8-0.9 ﹪, Cr 0.5-0.6 ﹪, Si 0.3-0.4 ﹪, Mo 0.3- 0.4 ﹪, Zr 0.07-0.08 ﹪, Bi 0.07-0.08 ﹪, V 0.04-0.05 ﹪, W 0.03-0.04 ﹪, Ti 0.01- 0.02 ﹪, surplus Cu, lubriation material molar ratio are：50-55 parts of graphite, 40-45 parts of calcirm-fluoride, 10-15 parts of boron carbide, matrix Material is with lubriation material molar ratio：3：2, basis material alloy powder is proportionally uniformly mixed with lubriation material powder Afterwards, ball milling, ball material mass ratio 12 are carried out：1, Ball-milling Time 7 hours, after powder drying, progress is hot-forming, respectively obtains bearing Inner ring blank and bearing inner race blank carry out grinding, grinding process to bearing inner race blank and bearing outer ring blank later Using grinding fluid, precision after grinding is Ra0.1, obtains final bearing inner race and bearing outer ring, grinding fluid mass percent group Become：Glycerine 5-6%, disodium hydrogen phosphate 4-5%, sodium carbonate 1-2%, potassium hydroxide 1-2%, monobutyl ether 2-3%, sodium molybdate 1- 3%, surplus is water,
Ceramic bearing ball raw material includes：1 part of aluminium oxide, 0.8-0.9 parts of zirconium oxide, 0.7-0.8 parts of silicon carbide, silicon nitride 0.7- 0.8 part, above-mentioned raw materials are uniformly mixed by 0.4-0.5 parts of sintering aid by above-mentioned weight ratio, sieving, by the powder after sieving Material is placed in ball milling in ball mill, and Ball-milling Time is 3 hours, ball milling temperature 45 C, and grain size reaches 15-25 microns after ball milling；Gained Powder is placed in mold, and spherical shape, pressure 80-85MPa are pressed into using the method for isostatic cool pressing；Later under normal pressure, it is burning It is heated to 1240-1270 DEG C in freezing of a furnace, keeps the temperature 2 hours, temperature is increased to 1380-1410 DEG C later, keeps the temperature 2 hours, Zhi Housui Stove is cooled to room temperature；Gained ceramics ball surface is ground and is polished, 0.01-0.03 microns of surface roughness Ra；Thermal conductivity For 120-123W/（m·K）.
A kind of internal combustion engine bearing, grinding fluid mass percentage composition are：Glycerine 5%, disodium hydrogen phosphate 4%, carbon Sour sodium 1%, potassium hydroxide 1%, monobutyl ether 2%, sodium molybdate 1%, surplus are water.
A kind of internal combustion engine bearing, grinding fluid mass percentage composition are：Glycerine 6%, disodium hydrogen phosphate 5%, carbon Sour sodium 2%, potassium hydroxide 2%, monobutyl ether 3%, sodium molybdate 3%, surplus are water.
A kind of internal combustion engine bearing, grinding fluid mass percentage composition are：Glycerine 5.5%, disodium hydrogen phosphate 4.5%, sodium carbonate 1.5%, potassium hydroxide 1.5%, monobutyl ether 2.5%, sodium molybdate 1.5%, surplus is water.
A kind of internal combustion engine bearing, ceramic bearing ball raw material include：1 part of aluminium oxide, 0.8 part of zirconium oxide, silicon carbide 0.7 part, 0.7 part of silicon nitride, 0.4 part of sintering aid.
A kind of internal combustion engine bearing, ceramic bearing ball raw material include：1 part of aluminium oxide, 0.9 part of zirconium oxide, silicon carbide 0.8 part, 0.8 part of silicon nitride, 0.5 part of sintering aid.
A kind of internal combustion engine bearing, ceramic bearing ball raw material include：1 part of aluminium oxide, 0.85 part of zirconium oxide, silicon carbide 0.75 part, 0.75 part of silicon nitride, 0.45 part of sintering aid.
A kind of internal combustion engine bearing keeps the temperature 2 hours in sintering furnace in 1240 DEG C, and temperature is increased to 1380 DEG C later, Heat preservation 2 hours.
A kind of internal combustion engine bearing keeps the temperature 2 hours in sintering furnace in 1270 DEG C, and temperature is increased to 1410 DEG C later, Heat preservation 2 hours.
A kind of internal combustion engine bearing keeps the temperature 2 hours in sintering furnace in 1250 DEG C, and temperature is increased to 1390 DEG C later, Heat preservation 2 hours.
Copper alloy matrix material of the present invention does not add lubriation material tensile strength and reaches 534MPa, copper alloy matrix material Vickers hardness is 121（HV）, wear rate reaches 0.27 × 10-4 mm3N-1m-1, after copper alloy matrix material adds lubriation material, Its tensile strength reaches 512MPa, Vickers hardness 130（HV）, wear rate reaches 0.20 × 10-4 mm3N-1m-1, self-lubricating axis It holds inner ring and the processing of self-lubricating bearing outer ring is simple, the service life of material improves, and wearability improves.Use the grinding of the present invention Liquid preferably can make material radiate faster and reach Even Grinding effect in conjunction with the self-lubricating material of the present invention, and improve The efficiency of grinding process.
0.01-0.03 microns of the surface roughness Ra of Ceramic Balls；Thermal conductivity is 120-123W/（m·K）It can more block By heat transfer, hot-spot is avoided to bring damage, Ceramic Balls to be matched with self-lubricating material inner ring and outer ring to bearing surface So that the wear extent between them reduces, service life is improved.
Description of the drawings
Fig. 1 is internal combustion engine bearing schematic cross-section.
Specific implementation mode
A kind of self-lubricating internal combustion engine bearing as described in Figure 1, including self-lubricating bearing inner ring 1, self-lubricating bearing outer ring 2 and band There is the ceramic bearing ball 4 of retainer 3, above-mentioned ceramic shaft is equipped between the self-lubricating bearing inner ring and self-lubricating bearing outer ring Hold ball.
Embodiment 1
A kind of self-lubricating internal combustion engine bearing, including self-lubricating bearing inner ring, self-lubricating bearing outer ring and the ceramics with retainer Bearing ball is equipped with above-mentioned ceramic bearing ball between the self-lubricating bearing inner ring and self-lubricating bearing outer ring,
Self-lubricating bearing inner ring and self-lubricating bearing outer ring include basis material and lubriation material, basis material atomic percent For：Fe 6.2 ﹪, Mn 3.3 ﹪, Nb 1.2 ﹪, Mg 0.87 ﹪, Cr 0.54 ﹪, Si 0.34 ﹪, Mo 0.38 ﹪, Zr 0.072 ﹪, Bi 0.073 ﹪, V 0.044 ﹪, W 0.034 ﹪, Ti 0.012 ﹪, surplus Cu, lubriation material molar ratio are： 51 parts of graphite, 42 parts of calcirm-fluoride, 11 parts of boron carbide, basis material are with lubriation material molar ratio：3：2, by basis material alloy Powder and lubriation material powder proportionally after mixing, carry out ball milling, ball material mass ratio 12：1, Ball-milling Time 7 hours, powder After the drying of end, carry out hot-forming, respectively obtain bearing inner race blank and bearing inner race blank, later to bearing inner race blank and Bearing outer ring blank carries out grinding, and it is Ra0.1 that grinding process, which uses grinding fluid, precision after grinding, obtains final bearing Inner ring and bearing outer ring, grinding fluid mass percentage composition are：Glycerine 5.2%, disodium hydrogen phosphate 4.3%, sodium carbonate 1.4%, Potassium hydroxide 1.7%, monobutyl ether 2.3%, sodium molybdate 1.2%, surplus are water,
Ceramic bearing ball raw material includes：1 part of aluminium oxide, 0.81 part of zirconium oxide, 0.72 part of silicon carbide, 0.73 part of silicon nitride, sintering Above-mentioned raw materials are uniformly mixed by 0.47 part of auxiliary agent by above-mentioned weight ratio, and the powder after sieving is placed in ball mill by sieving Ball milling, Ball-milling Time are 3 hours, ball milling temperature 45 C, and grain size reaches 15-25 microns after ball milling；Gained powder is placed in mold, Spherical shape, pressure 80-85MPa are pressed into using the method for isostatic cool pressing；Later under normal pressure, it is heated in sintering furnace 1240-1270 DEG C, 2 hours are kept the temperature, temperature is increased to 1380-1410 DEG C later, keeps the temperature 2 hours, cools to room temperature with the furnace later； Gained ceramics ball surface is ground and is polished, 0.01-0.03 microns of surface roughness Ra；Thermal conductivity is 120-123W/ （m·K）.

Claims (3)

1. a kind of self-lubricating internal combustion engine bearing, including self-lubricating bearing inner ring, self-lubricating bearing outer ring and the pottery with retainer Porcelain bearing ball is equipped with above-mentioned ceramic bearing ball between the self-lubricating bearing inner ring and self-lubricating bearing outer ring,
Self-lubricating bearing inner ring and self-lubricating bearing outer ring include basis material and lubriation material, basis material atomic percent For：Fe 6.2 ﹪, Mn 3.3 ﹪, Nb 1.2 ﹪, Mg 0.87 ﹪, Cr 0.54 ﹪, Si 0.34 ﹪, Mo 0.38 ﹪, Zr 0.072 ﹪, Bi 0.073 ﹪, V 0.044 ﹪, W 0.034 ﹪, Ti 0.012 ﹪, surplus Cu, lubriation material molar ratio are： 51 parts of graphite, 42 parts of calcirm-fluoride, 11 parts of boron carbide, basis material are with lubriation material molar ratio：3：2, by basis material alloy Powder and lubriation material powder proportionally after mixing, carry out ball milling, ball material mass ratio 12：1, Ball-milling Time 7 hours, powder After the drying of end, carry out hot-forming, respectively obtain bearing inner race blank and bearing inner race blank, later to bearing inner race blank and Bearing outer ring blank carries out grinding, and it is Ra0.1 that grinding process, which uses grinding fluid, precision after grinding, obtains final bearing Inner ring and bearing outer ring, grinding fluid mass percentage composition are：Glycerine 5.2%, disodium hydrogen phosphate 4.3%, sodium carbonate 1.4%, Potassium hydroxide 1.7%, monobutyl ether 2.3%, sodium molybdate 1.2%, surplus are water,
Ceramic bearing ball raw material includes：1 part of aluminium oxide, 0.81 part of zirconium oxide, 0.72 part of silicon carbide, 0.73 part of silicon nitride, sintering Above-mentioned raw materials are uniformly mixed by 0.47 part of auxiliary agent by above-mentioned weight ratio, and the powder after sieving is placed in ball mill by sieving Ball milling, Ball-milling Time are 3 hours, ball milling temperature 45 C, and grain size reaches 15-25 microns after ball milling；Gained powder is placed in mold, Spherical shape, pressure 80-85MPa are pressed into using the method for isostatic cool pressing；Later under normal pressure, it is heated in sintering furnace 1240-1270 DEG C, 2 hours are kept the temperature, temperature is increased to 1380-1410 DEG C later, keeps the temperature 2 hours, cools to room temperature with the furnace later； Gained ceramics ball surface is ground and is polished, 0.01-0.03 microns of surface roughness Ra；Thermal conductivity is 120-123W/ （m·K）.
2. a kind of internal combustion engine bearing as claimed in claim 2, grinding fluid mass percentage composition are：Glycerine 5%, phosphoric acid hydrogen two Sodium 4%, sodium carbonate 1%, potassium hydroxide 1%, monobutyl ether 2%, sodium molybdate 1%, surplus are water.
3. a kind of internal combustion engine bearing as claimed in claim 2, grinding fluid mass percentage composition are：Glycerine 6%, phosphoric acid hydrogen two Sodium 5%, sodium carbonate 2%, potassium hydroxide 2%, monobutyl ether 3%, sodium molybdate 3%, surplus are water.
CN201810152376.2A 2016-08-26 2016-08-26 A kind of self-lubricating internal combustion engine bearing Pending CN108331838A (en)

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