CN101839323B - Resin pulley of tensioning wheel and idle wheel of automobile engine - Google Patents
Resin pulley of tensioning wheel and idle wheel of automobile engine Download PDFInfo
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- CN101839323B CN101839323B CN 201010127627 CN201010127627A CN101839323B CN 101839323 B CN101839323 B CN 101839323B CN 201010127627 CN201010127627 CN 201010127627 CN 201010127627 A CN201010127627 A CN 201010127627A CN 101839323 B CN101839323 B CN 101839323B
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- 229920005989 resin Polymers 0.000 title claims abstract description 78
- 239000011347 resin Substances 0.000 title claims abstract description 78
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 50
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 50
- 239000011342 resin composition Substances 0.000 claims abstract description 35
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims description 36
- 239000012752 auxiliary agent Substances 0.000 claims description 22
- 239000008041 oiling agent Substances 0.000 claims description 20
- 239000000654 additive Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 15
- 239000003365 glass fiber Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 229920000578 graft copolymer Polymers 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 239000013049 sediment Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 150000001299 aldehydes Chemical class 0.000 abstract description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 abstract description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract description 3
- 150000002148 esters Chemical class 0.000 abstract description 3
- 150000002576 ketones Chemical class 0.000 abstract description 3
- 150000007522 mineralic acids Chemical class 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 1
- -1 alkalis Chemical class 0.000 abstract 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 abstract 1
- 150000002989 phenols Chemical class 0.000 abstract 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 10
- 229920002302 Nylon 6,6 Polymers 0.000 description 10
- 229920001568 phenolic resin Polymers 0.000 description 10
- 239000005011 phenolic resin Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000002585 base Substances 0.000 description 6
- 239000012320 chlorinating reagent Substances 0.000 description 5
- 239000000306 component Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
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- 208000037656 Respiratory Sounds Diseases 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 3
- 239000011499 joint compound Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 208000001840 Dandruff Diseases 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 239000008358 core component Substances 0.000 description 1
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- 238000002425 crystallisation Methods 0.000 description 1
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- 238000000354 decomposition reaction Methods 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
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- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Images
Abstract
The invention discloses a resin pulley of a tensioning wheel and an idle wheel of an automobile engine, which is formed by injecting a modified polyphenylene sulfide resin composition on the outer ring of a bearing. The composition consists of 20 to 40 weight percent of reinforcing fiber, 4.5 to 10.5 weight percent of annexing agent, and the balance of polyphenylene sulfide resin; and the resin pulley has the advantages of high tensile strength, good temperature resistance and impact resistance, high heat deflection temperature, high surface hardness, low water and oil absorption rates, and high strength, rigidity and dimension stability at a high temperature, has outstanding fatigue resistance and anti-creep performance, solves the problem that the abrasive resistance of the pulley is weak under the conditions of high temperature and high humidity and in dust and sediment environment, has a good chemical resistance, is stable to most of acids, esters, ketones, aldehydes, phenols, aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons and the like, and has strong resistance to inorganic acids, alkalis, salts and chlorinated agents. The polyphenylene sulfide resin pulley meets the requirements on light weights of the auto parts, and overcomes the limitation of the service conditions of the conventional resin pulley.
Description
Technical field
The present invention relates to the resin pulley of motor car engine belt drive system, exactly is the resin pulley of a kind of motor car engine Idle wheel and idle pulley.
Background technique
The core component of motor car engine Idle wheel and idle pulley is bearing and belt pulley, the belt pulley material of prior art is divided into the metal wheel of turning, punch process substantially, the powder metallurgy of compacting wheel and the casting resin wheel take phenolic resin, polyamide 66 resin as representative etc.The applying working condition of motor car engine Idle wheel and idle pulley is generally: rotating speed 800～15000r/min, load is usually below 3000N, can reach 4000N individually, ambient temperature-40 ℃～150 ℃, the Idle wheel in the auxiliary system and idle pulley will be operated in mud, water, sand and dust even exist in the environment of corrosive deposit toward contact.In recent years, development along with automotive industry, to working life of auto parts and components, noise, lightweight and under bad working environments the requirement of property retention more and more higher, engineering plastics because of its quality is light, corrosion-resistant, the injection molding method is simple, can make economically comparatively complicated part, can impact-absorbing and vibration, the advantage such as noise is low and driving power is little, obtain using more and more widely at the following Idle wheel of load 2000N and idle pulley.
The Chinese invention patent application of publication number CN 1488869A disclose a kind of with phenolic resin as base resin, also contain simultaneously the technology that resin composition that Mohs hardness forms in inorganic powder 15～50 % by weight more than 6.5, reinforcing fiber 20～40 % by weight and oiling agent 1～5 % by weight is made belt pulley.The Chinese invention patent application of publication number CN 101351662A disclose a kind of as phenolic resin 35～55 quality % of base resin, more than the ABS rubber 1 quality %, inorfil 10～25 quality % and inorganic powder 3～15 quality % but also the resin composition that is added with polyester acrylate is made the technology of resin pulley.In addition, adopt in addition polyamide 66 resin, the inorganic reinforcing fiber and the inorganic powder that add weight ratio 20%～30% form the technology report that resin composition is made Idle wheel and idle pulley belt pulley.But there are following defective in above-mentioned phenolic resin and polyamide 66 resin composition belt pulley:
(1) above-mentioned resin pulley has all added inorganic powder, and when working in Sand Dust Environment, the inorganic powder that comes off has aggravated the wearing and tearing of belt pulley with sand and dust, and the wear resistance of belt pulley is reduced.
(2) phenolic resin and polyamide 66 resin are at 120 ℃ below the ambient temperature, keep higher strength and stiffness, but in hot environment more than 120 ℃, intensity and rigidity suppression ratio are larger, abrasive resistance also descends thereupon, along with the raising that the motor car engine ambient temperature requires, the engine belt pulley that these resin compositions are made uses the upper larger narrow limitation that exists.
(3) polyamide 66 resin has larger hygroscopicity, is generally 0.8～1.5%, and its degree depends on composition, part wall thickness and the environmental conditions of material.In a single day the Idle wheel of higher water absorption and idle pulley have been operated in water smoke, dust, the sediment environment, and more than 120 ℃ in the situation, intensity and the wear resistance of belt pulley sharply descend in temperature, cause the belt pulley abrasion to be accelerated, and Idle wheel and idle pulley life-span reduce greatly.
(4) phenolic resin, although polyamide 66 resin has non-fusibility to many solvents, to acid and the resistivity of some other chlorinating agent a little less than.
Therefore be used for the resin pulley of motor car engine Idle wheel and idle pulley in the prior art, can not satisfy at many torrents and wet, ambient temperature reaches more than 120 ℃, and many dust, silt have the technical performance index requirement of working in acidity or the chlorinating agent operating mode.
Summary of the invention
The present invention will solve existing motor car engine Idle wheel and the idle pulley resin pulley can not satisfy at many torrents wet, ambient temperature reaches more than 120 ℃, many dust, silt, the technical problem that has the technical performance index of working in acidity or the chlorinating agent operating mode to require, propose a kind of strong to dust, silt adaptability for working condition, be suitable for the stronger motor car engine Idle wheel of higher temperature and humidity, decay resistance and the resin pulley of idle pulley.
The technological scheme that the present invention takes is: the resin pulley of a kind of motor car engine Idle wheel and idle pulley, adopt the modified polyphenylene sulfide resin composition to be injection-moulded on the outer ring of bearing and moulding, this modified polyphenylene sulfide resin composition is that 30%～40% reinforcing fiber, weight portion are that the polyphenylene sulfide that 4.5%～8.6% additive and weight portion are surplus forms by weight portion.
The density of modified polyphenylene sulfide resin is 1.50～1.70g/cm
3Be about 1/5th of steel, can satisfy the light-weighted requirement of auto parts and components, resistance to heat is improved, and fusing point can reach 275～290 ℃, tensile strength reaches more than the 120Mpa, and have good heatproof impact, heat distortion temperature can reach 260 ℃ after glass fibre or carbon fiber enhancing, and decomposition temperature is 400 ℃, can be in 200 ℃ of lower long-term uses, tough and hard wear resistant.The more important thing is that modified polyphenylene sulfide resin absorbs water, oil absorbency is extremely low, generally only have about 0.03%, under super-humid conditions, have high strength, high rigidity and dimensional stability, and have outstanding fatigue performance and creep-resistant property, solved belt pulley wear resistance problem under the hot and humid condition.Modified polyphenylene sulfide resin has excellent creep resistant and fatigue resistance, and surface hardness is high, and Rockwell hardness＞100HR makes its wear resistance high, has solved the wear resistance problem in the dust sediment environment.In addition, the polyphenylene sulfide chemical resistance is fabulous, stable to large polyacid, ester, ketone, aldehyde, phenol and aliphatic hydrocarbon, aromatic hydrocarbon, chlorohydrocarbon etc., not yet finding at present can be at the solvent of the polyphenylene sulfide of dissolving below 200 ℃, extremely strong to the repellence of inorganic acid, alkali, salt and chlorinating agent.Total amount with respect to polyphenyl thioether resin composition, the weight ratio of reinforcing fiber is controlled at 20%～40%, if the weight ratio less than 20% of reinforcing fiber just can not play the effect that obtains to improve dimensional stability, intensity and wear resistance by adding reinforcing fiber; When the weight ratio of reinforcing fiber surpassed 40%, the characteristic of polyphenylene sulfide base resin can not get demonstrating fully, and easy belt injury to contacting with resin pulley.
Additive is the compatible auxiliary agent of fiber; Or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 3.5%～5.5% fiber and weight portion are 1%～5% oiling agent; Or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 2%～3% fiber, weight portion are that 1%～5% oiling agent and weight portion are that 1.5%～2.5% look female.The compatible auxiliary agent of fiber can improve the compatibility of reinforcing fiber and polyphenylene sulfide, improves stretching, impact and the scurf resistance of resin composition, improves the rheological characteristic of processing, improves surface finishment.Oiling agent makes resin pulley obtain lubrication effect, because oiling agent than polyphenylene sulfide poor heat resistance, with respect to the modified polyphenylene sulfide resin total composition, when the weight ratio of oiling agent surpasses 5%, can cause the heat resistance of resin pulley to reduce.Look female, and for example black masterbatch is colorant.
Preferred modified polyphenylene sulfide resin composition is that 30%～35% reinforcing fiber, weight portion are that the polyphenylene sulfide that 6.8%～8.6% additive and weight portion are surplus forms by weight portion.
Preferred additive is that the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 2.5%～2.8% fiber, weight portion are that 2.5%～3.5% oiling agent and weight portion are that 1.8%～2.3% look female.
Reinforcing fiber be glass fibre, carbon fiber, boron fiber, silicon carbide fiber, alumina fibre and inorganic be whisker.
Glass fibre, carbon fiber, boron fiber, silicon carbide fiber, alumina fibre and inorganic be that whisker is average diameter 5～20um, the chopped strand of average fiber length 1～5mm.The glass fibre of above-mentioned specification limit, carbon fiber, boron fiber, silicon carbide fiber, alumina fibre and inorganic be that whisker can prevent that resin composition from occuring in the phenomenon of molten state current downflow reduction.
Reinforcing fiber is glass fibre preferably.Glass fibre is made easily and is bought, and cheap, and its fiber reinforcement effect is good.
The compatible auxiliary agent of fiber is maleic anhydride graft copolymer.
Oiling agent is fluororesin and molybdenum disulfide.
Bearing has outer ring, rolling element, inner ring, retainer and seal ring.
The resin pulley resin composition of a kind of motor car engine Idle wheel and idle pulley, this resin composition adopt polyphenylene sulfide as base resin, add weight portion again and be 30%～40% reinforcing fiber and weight portion and be 4.5%～8.6% additive; Additive is the compatible auxiliary agent of fiber, or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 3.5%～5.5% fiber and weight portion are 1%～5% oiling agent, or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 2%～3% fiber, weight portion are that 1%～5% oiling agent and weight portion are that 1.5%～2.5% look female.
Preferably: this resin composition adopts polyphenylene sulfide as base resin, and adding weight portion is that 30%～35% reinforcing fiber and weight portion are 6.8%～8.6% additive again; Reinforcing fiber is glass fibre; Additive is that the weight portion that accounts for the resin composition total amount is that the compatible auxiliary agent of 2.5%～2.8% fiber, weight portion are that 2.5%～3.5% oiling agent and weight portion are that 1.8%～2.3% look female; The compatible auxiliary agent of fiber is maleic anhydride graft copolymer; Oiling agent is fluororesin or molybdenum disulfide.
By using above-mentioned modified polyphenylene sulfide resin, can be used for molding and forming, heating is become in the die cavity of the belt pulley mould that hangs with bearing on the resin injection fuse of molten state, can access the resin pulley of needed motor car engine Idle wheel and idle pulley behind the cooling forming.
Advantage of the present invention is: owing to adopted the modified polyphenylene sulfide resin composition, make the resin pulley of motor car engine Idle wheel and idle pulley through molding and forming, so its tensile strength is high, the heatproof impact is strong, heat distortion temperature is high, surface hardness is high, suction and oil absorbency is extremely low, have high strength, high rigidity and dimensional stability under super-humid conditions; And have outstanding fatigue performance and creep-resistant property, solved under the hot and humid condition and the belt pulley wear resistance problem in the dust sediment environment; Chemical resistance is good, and is stable to large polyacid, ester, ketone, aldehyde, phenol and aliphatic hydrocarbon, aromatic hydrocarbon, chlorohydrocarbon etc., strong to the repellence of inorganic acid, alkali, salt and chlorinating agent.Can satisfy the light-weighted requirement of auto parts and components, overcome the narrow limitation of existing resin pulley applying working condition.
Description of drawings
The structural representation of the modified polyphenylene sulfide resin composition belt pulley of a kind of motor car engine Idle wheel of the present invention.
Embodiment
As shown in the figure, modified polyphenylene sulfide resin composition 2 is injection-moulded in the outer ring 11 top moulding of bearing 1, makes modified polyphenylene sulfide resin composition belt pulley 21, and bearing 1 comprises outer ring 11, rolling element 12, inner ring 13, retainer 14 and seal ring 15.Modified polyphenylene sulfide resin composition 2 constituent contents, performance parameter and characteristic in the modified polyphenylene sulfide resin composition belt pulley 21 see the following form.Reinforcing fiber average diameter 5～20um wherein, average fiber length 1～5mm.According to proportional arrangement component among the embodiment; each component is carried out mixing under molten state; pulverize with tablet machine; again this resin composition is placed on and carries out in the drying oven adding in the hopper of injection machine after dry the processing; to have the mold heated with the corresponding die cavity of made belt pulley shape; bearing 1 preheating of injection moulding will be treated; hang on the fuse in the die cavity by the endoporus of bearing 1; inject the resin composition of molten state in the backward mould nest of matched moulds; in other words can be with above-mentioned resin composition; with the outer ring 11 of bearing 1 as metal core; integrated by the method and the pulley body that embed molding and forming, namely by with the integrated outer ring 11 of resin pulley, rolling element 12; inner ring 13, retainer 14 and seal ring 15 consist of modified polyphenylene sulfide resin belt pulley 21.
Table:
As the base resin-polyphenylene sulfide of resin composition, its structure of molecule is fairly simple, and molecular backbone is by phenyl ring and sulphur atom alternative arrangement, a large amount of phenyl ring is given polyphenylene sulfide with rigidity, and a large amount of thioether bonds provides again flexibility, and structure of molecule is symmetrical, be easy to crystallization, nonpolarity, good electrical property, do not absorb water, have excellent heat resistance, flame retarding, its intensity and hardness are all higher, mechanical property is good, the good stability of the dimension of goods, available multiple processing molding method processing, but and precise forming.The compatibility of polyphenylene sulfide and mineral filler, reinforcing fiber and good with the compatibility of other macromolecular materials has guaranteed the stability of resin combination amount of substance.
The resin pulley characteristic test is carried out according to following testing regulations:
Resistance to sudden heating test is the resin pulley of embodiment 1-5 to be put into-40 ℃ household freezer 2 hours, then put into rapidly 150 ℃ baking oven 2 hours, like this as 1 circulation, it is repeated to observe whether crackle occurs in the belt pulley resin body after 100 circulations, with be evaluated as good (zero) of crackle does not occur fully, being evaluated as of crackle bad (*) appears.
The high temperature wear test is that the resin pulley of embodiment 1-5 is packed in the durability-testing machines, the belt pulley cylindrical contacts with belt, utilize belt to drive the belt pulley rotation, the rotating speed of belt pulley is 6500r/min, radial load 1000N, 150 ℃ of ambient temperatures, the belt of employing same structure turns round and measures the diametric wear extent of resin pulley external diameter after 400 hours.
The dust atmosphere wear test is that the resin pulley of embodiment 1-5 is packed in the dust-proof test machine, and the belt pulley cylindrical contacts with belt, utilizes belt to drive the belt pulley rotation, and the rotating speed of belt pulley is 3000r/min, radial load 1000N, dust density 3g/m
3, dust size≤10um, ambient temperature is normal temperature, adopts the belt of same structure, turns round to measure the diametric wear extent of resin pulley external diameter after 200 hours.
The slurry environment wear test is that the resin pulley of embodiment 1-5 is packed in the waterproof tester, the belt pulley cylindrical contacts with belt, utilize the belt of same structure to drive the belt pulley rotation, the rotating speed of belt pulley is 1200r/min, radial load 1000N, and mud forms 0.3%NaCl, 5% clay, all the other are water, its medium clay soil hydrous alumino silicates, and 80% particle is less than 10um.The mud injection direction is belt pulley cylindrical and belt contacting point, and injection flow is 1L/min, and jet pressure is 0.5-0.7Bar, ambient temperature is normal temperature, injection cycle is 6S/6Min, and the diametric wear extent of resin pulley external diameter is measured in totally 1000 circulations after the running.
In the above described manner modified polyphenylene sulfide resin composition 2 and existing polyamide 66 resin and phenolic resin belt pulley are tested, the water absorption rate of acetonideexample 1-5 modified polyphenylene sulfide resin composition 2 is at 0.020-0.025%, and existing polyamide 66 resin and phenolic resin belt pulley water absorption rate are at 0.8-1.5%; Modified polyphenylene sulfide resin composition 2 compares with modified polyamide 66 resins and the phenol-formaldehyde resin modified of existing resin pulley, and fusing point is high more than 30 ℃, and heat distortion temperature is high more than 40 ℃.Modified polyamide 66 resins of existing resin pulley and the high temperature wear of phenol-formaldehyde resin modified are more than 0.1mm, and the dust atmosphere abrasiveness is more than 0.25mm, and the slurry environment abrasiveness is more than 0.30mm, apparently higher than modified polyphenylene sulfide resin composition 2.
Claims (10)
1. the resin pulley of a motor car engine Idle wheel and idle pulley, on the outer ring that it is characterized in that adopting the modified polyphenylene sulfide resin composition to be injection-moulded in bearing and moulding, this modified polyphenylene sulfide resin composition is that 30%～40% reinforcing fiber, weight portion are that the polyphenylene sulfide that 4.5%～8.6% additive and weight portion are surplus forms by weight portion, and described additive is the compatible auxiliary agent of fiber; Or the compatible auxiliary agent of fiber and oiling agent; Or the compatible auxiliary agent of fiber, oiling agent and look female.
2. the resin pulley of a kind of motor car engine Idle wheel according to claim 1 and idle pulley is characterized in that additive is the compatible auxiliary agent of fiber; Or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 3.5%～5.5% fiber and weight portion are 1%～5% oiling agent; Or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 2%～3% fiber, weight portion are that 1%～5% oiling agent and weight portion are that 1.5%～2.5% look female.
3. the resin pulley of a kind of motor car engine Idle wheel according to claim 1 and idle pulley is characterized in that the modified polyphenylene sulfide resin composition is that 30%～35% reinforcing fiber, weight portion are that the polyphenylene sulfide that 6.8%～8.6% additive and weight portion are surplus forms by weight portion.
4. the resin pulley of a kind of motor car engine Idle wheel according to claim 3 and idle pulley is characterized in that additive is that the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 2.5%～2.8% fiber, weight portion are that 2.5%～3.5% oiling agent and weight portion are that 1.8%～2.3% look female.
5. according to claim 1 or the resin pulley of 3 described a kind of motor car engine Idle wheels and idle pulley, it is characterized in that reinforcing fiber be glass fibre, carbon fiber, boron fiber, silicon carbide fiber, alumina fibre and inorganic be whisker.
6. the resin pulley of a kind of motor car engine Idle wheel according to claim 5 and idle pulley, it is characterized in that glass fibre, carbon fiber, boron fiber, silicon carbide fiber, alumina fibre and inorganic be that whisker is average diameter 5～20um, the chopped strand of average fiber length 1～5mm.
7. the resin pulley of a kind of motor car engine Idle wheel according to claim 1 and idle pulley is characterized in that reinforcing fiber is glass fibre.
8. the resin pulley of a kind of motor car engine Idle wheel according to claim 4 and idle pulley is characterized in that the compatible auxiliary agent of fiber is maleic anhydride graft copolymer; Oiling agent is fluororesin and molybdenum disulfide.
9. the resin pulley of a kind of motor car engine Idle wheel according to claim 1 and idle pulley is characterized in that bearing has outer ring, rolling element, inner ring, retainer and seal ring.
10. the resin pulley resin composition of a motor car engine Idle wheel and idle pulley, it is characterized in that this resin composition adopts polyphenylene sulfide as base resin, add again weight portion and be 30%～40% reinforcing fiber and weight portion and be 4.5%～8.6% additive; Additive is the compatible auxiliary agent of fiber, or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 3.5%～5.5% fiber and weight portion are 1%～5% oiling agent, or the weight portion that accounts for the modified polyphenylene sulfide resin total composition is that the compatible auxiliary agent of 2%～3% fiber, weight portion are that 1%～5% oiling agent and weight portion are that 1.5%～2.5% look female.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010127627 CN101839323B (en) | 2010-03-19 | 2010-03-19 | Resin pulley of tensioning wheel and idle wheel of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010127627 CN101839323B (en) | 2010-03-19 | 2010-03-19 | Resin pulley of tensioning wheel and idle wheel of automobile engine |
Publications (2)
| Publication Number | Publication Date |
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| CN101839323A CN101839323A (en) | 2010-09-22 |
| CN101839323B true CN101839323B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010127627 Active CN101839323B (en) | 2010-03-19 | 2010-03-19 | Resin pulley of tensioning wheel and idle wheel of automobile engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2017032096A (en) * | 2015-08-04 | 2017-02-09 | Ntn株式会社 | Resin pulley |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002286118A (en) * | 2001-03-26 | 2002-10-03 | Calsonic Kansei Corp | Resin pulley |
| CN1488869A (en) * | 2002-08-29 | 2004-04-14 | 光洋精工株式会社 | Resin pulley |
| CN1528819A (en) * | 2003-10-09 | 2004-09-15 | 林良云 | PTFE modified polyphenylene sulfide composite material and pelleting process thereof |
| JP2007032739A (en) * | 2005-07-28 | 2007-02-08 | Bando Chem Ind Ltd | Resin pulley |
| JP2009138766A (en) * | 2007-12-03 | 2009-06-25 | Ntn Corp | Bearing with plastic pulley |
| JP2009191900A (en) * | 2008-02-13 | 2009-08-27 | Ntn Corp | Bearing with resin pulley |
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2010
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002286118A (en) * | 2001-03-26 | 2002-10-03 | Calsonic Kansei Corp | Resin pulley |
| CN1488869A (en) * | 2002-08-29 | 2004-04-14 | 光洋精工株式会社 | Resin pulley |
| CN1528819A (en) * | 2003-10-09 | 2004-09-15 | 林良云 | PTFE modified polyphenylene sulfide composite material and pelleting process thereof |
| JP2007032739A (en) * | 2005-07-28 | 2007-02-08 | Bando Chem Ind Ltd | Resin pulley |
| JP2009138766A (en) * | 2007-12-03 | 2009-06-25 | Ntn Corp | Bearing with plastic pulley |
| JP2009191900A (en) * | 2008-02-13 | 2009-08-27 | Ntn Corp | Bearing with resin pulley |
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| CN101839323A (en) | 2010-09-22 |
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