WO2005116468A1 - 高精度すべり軸受 - Google Patents
高精度すべり軸受 Download PDFInfo
- Publication number
- WO2005116468A1 WO2005116468A1 PCT/JP2005/009411 JP2005009411W WO2005116468A1 WO 2005116468 A1 WO2005116468 A1 WO 2005116468A1 JP 2005009411 W JP2005009411 W JP 2005009411W WO 2005116468 A1 WO2005116468 A1 WO 2005116468A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- resin layer
- resin
- sliding
- precision
- Prior art date
Links
- 229920005989 resin Polymers 0.000 claims abstract description 89
- 239000011347 resin Substances 0.000 claims abstract description 89
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 33
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 229920013716 polyethylene resin Polymers 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 23
- 239000010410 layer Substances 0.000 description 42
- 239000003921 oil Substances 0.000 description 16
- 238000000465 moulding Methods 0.000 description 12
- 239000000835 fiber Substances 0.000 description 10
- 230000002159 abnormal effect Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- -1 polytetrafluoroethylene Polymers 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 230000013011 mating Effects 0.000 description 7
- 239000011342 resin composition Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 229920006026 co-polymeric resin Polymers 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000531908 Aramides Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910002549 Fe–Cu Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 101001012040 Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) Immunomodulating metalloprotease Proteins 0.000 description 1
- 239000012494 Quartz wool Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 description 1
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 235000021466 carotenoid Nutrition 0.000 description 1
- 150000001747 carotenoids Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920006259 thermoplastic polyimide Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000010723 turbine oil Substances 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- 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
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- 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
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14598—Coating tubular articles
- B29C45/14622—Lining the inner or outer surface of tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
Definitions
- the present invention relates to a high-precision plain bearing.
- a sliding bearing having high rotation accuracy a sliding bearing in which porous sintered metal is impregnated with oil has been known.
- a plain bearing is used by impregnating oil into a sintered metal-based porous material, it is possible to continuously supply oil to the sliding interface. it can.
- the mating material of the sliding bearing is of the same metal material as that of the sliding bearing, and there is no fear of swelling, detachment, and the like due to the difference in linear expansion that is often large.
- this metal material can improve the processing accuracy and is suitable for use in places where rotation accuracy is required.
- a plain bearing having self-lubricating properties includes a resin mixed with a solid lubricant such as polytetrafluoroethylene, graphite, molybdenum disulfide, etc., or a compounded lubricant or lubricating oil. It has been known.
- a metal is used for the outer peripheral portion of the bearing, a resin material is insert-molded in a sliding portion of the outer peripheral portion of the bearing to form a resin layer, and at least the surface of the outer peripheral portion of the bearing is formed.
- a fine force and a concave portion are provided on the outer surface of the bearing in contact with the resin layer, and (the coefficient of linear expansion of the resin material) X (the thickness of the resin layer) in the resin layer is set to 0.15 or less.
- the total of the four areas of the visual acuity occupied by the concave part is determined by the A high-precision plain bearing having an area of 25 to 95% is known (see Patent Document 1).
- the high-precision plain bearing has excellent lubricity while having high accuracy, because dimensional change due to temperature change of the resin layer is suppressed.
- a resin layer is formed on the sliding portion, it is possible to prevent a soft counterpart material from being attacked or to generate abnormal noise.
- the resin layer enters into the fine recesses, there is a feature that the adhesion between the outer peripheral portion of the bearing and the resin layer is improved by the anchor effect.
- gate marks during injection molding may adversely affect bearing performance.
- the processing of gate marks increases the number of production steps, and may lower productivity.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-239976
- the present invention has been made to address such a problem, and has high precision and excellent mechanical strength without processing gate marks, and has high productivity and excellent productivity.
- the purpose is to provide plain bearings.
- a sintered metal is used as an outer peripheral portion of a bearing, and a resin material is insert-molded in a sliding portion of the outer peripheral portion of the bearing to form a resin layer.
- the resin layer is insert-molded through a tunnel gate, and the coefficient of linear expansion of the resin material in the present invention represents an average coefficient of linear expansion at a temperature of 25 ° C to 75 ° C. .
- the resin layer of the high-precision plain bearing has a plurality of grooves on a bearing sliding surface, and has a gate mark of a tunnel gate at a bottom position of the groove.
- the plurality of grooves are formed on one of the radial sliding surface and the thrust sliding surface of the cylindrical bearing.
- the plurality of grooves are composed of a groove A having a gate mark and a groove B having no gate mark, and the grooves B are formed so that the distance on both sides of the groove A on the bearing sliding surface is equal. Is placed It is characterized by having.
- the resin material is characterized in that polyethylene resin is mixed with porous silica, and at least one of the resin layer and the sintered metal is impregnated with lubricating oil.
- the high-precision sliding bearing of the present invention is excellent in productivity because it is not necessary to treat gate marks since the resin layer is a resin layer formed by insert molding through a tunnel gate.
- the tunnel gate is located at the bottom of the plurality of grooves formed on the bearing sliding surface, it is formed on one of the radial sliding surface and the thrust sliding surface of the cylindrical bearing. Since it is located at the bottom of the groove, the gate mark remains on the sliding surface, and the wear powder generated by sliding escapes into this groove and does not remain on the sliding surface. As a result, a high-precision plain bearing can be obtained.
- the plurality of grooves are composed of a groove A having a gate mark and a groove B having no gate mark, and the grooves B are formed so that the distance on both sides of the groove A on the bearing sliding surface is equal. Are arranged, the weld occurrence position is formed in the groove B. Therefore, no weld portion is formed on the sliding surface, and a high-precision plain bearing having excellent mechanical strength can be obtained.
- FIG. 1 is a view showing a high-precision plain bearing.
- FIG. 2 is a view showing insert molding.
- FIG. 3 is a perspective view of a high-precision plain bearing in which grooves are provided on both radial and thrust sliding surfaces.
- FIG. 4 is a cross-sectional view illustrating a sliding surface of a bearing outer peripheral portion.
- FIG. 1 shows a high-precision plain bearing of the present invention.
- FIG. 1 (a) shows a perspective view
- FIG. 1 (b) shows an AA sectional view.
- the outer peripheral portion 2 of the bearing is formed of a sintered metal, and a resin layer 3 is insert-molded on a sliding portion of the outer peripheral portion 2 of the bearing via a tunnel gate.
- the resin layer 3 has a plurality of grooves 4 on the bearing sliding surface, and a gate mark 5 is formed at the bottom of the groove 4.
- the plurality of grooves 4 are formed as axial grooves 4A and 4B on the radial sliding surface of the cylindrical bearing, and a gate mark 5 is formed at the bottom of the axial groove 4A to form an axial groove. Gate mark 5 is formed on 4B.
- the plurality of grooves 4 can be provided on the radial sliding surface, the thrust sliding surface, or both the radial sliding surface and the thrust sliding surface of the cylindrical bearing.
- Fig. 3 shows an example in which both the radial sliding surface and the thrust sliding surface are provided.
- FIG. 3 is a perspective view of a high-precision plain bearing.
- the axial groove force formed on the radial sliding surface S is formed in communication with the thrust sliding surface as radial grooves 4A and 4B.
- a gate mark 5 is formed at the bottom of the radial groove 4A formed on the thrust sliding surface, and no gate mark 5 is formed on the radial groove 4B.
- FIG. 2 (a) shows a state in which a sintered metal body is arranged in a cavity of a mold
- FIG. 2 (b) is a partially enlarged view showing a state in which resin is filled.
- reference numeral 6 denotes a stationary mold plate, the molten resin being supplied to a central portion thereof.
- a sprue 7 is formed.
- the movable mold plate 8 is abutted against the fixed mold plate 6.
- the movable mold plate 8 is provided with a runner 9 communicating with the sprue 7, and a cavity 10 is formed in a portion adjacent to the runner 9.
- the sintered metal body 2 is inserted and arranged in the cavity 10.
- the portion forming the bottom of the groove on the inner peripheral surface serving as the radial sliding surface of the slide bearing is connected to the runner 9 by a tunnel gate (submarine gate) 12, and the protruding pin 11 is provided at the bottom of the cavity 10.
- Movable fitting is arranged.
- the above-mentioned fixed-side mold plate 6, movable-side mold plate 8, and projecting pin 11 are subjected to mold clamping (abutment), mold opening, and the like by a hydraulic cylinder (not shown) or the like.
- the molding of a high-precision plain bearing using this mold is performed as follows. As shown in FIG. 2 (a), after inserting the sintered metal body 2 into the cavity 10, the fixed mold plate 6 and the movable mold plate 8 are clamped by a hydraulic cylinder or the like (not shown). , And abut each parting surface.
- the sintered metal body 2 is preferably preheated and inserted and arranged.
- the resin composition 3a in a molten state is supplied from the sprue 7, the resin composition 3a is supplied to the cavity 10 via the runner 9 and the tunnel gate 12.
- the movable mold plate 8 is opened with a hydraulic cylinder (not shown) or the like. At this time, the die force molded body is taken out by the protruding pin 11, and the gate mark 5 (FIG. 1 (a)) is automatically cut off. According to the method, the high-precision plain bearing 1 of the present invention can be obtained.
- the high-precision sliding bearing 1 has a plurality of axial grooves 4 formed on the surface of a resin layer constituting the inner peripheral surface of the bearing, and has a gate mark 5 of the tunnel gate at a bottom position of the groove ( Figure 1 (a)).
- the high-precision plain bearing 1 can reduce the gap between the bearing and the shaft in order to improve the rotational accuracy of the shaft. At this time, if abrasion powder is generated by sliding, the abrasion powder may intervene in the gap. In this case, the rotational torque may be increased, or the abrasion powder may act as an abrasive, causing abnormal wear of the shaft or bearing.
- the axial groove 4 is arranged in parallel with the center axis of the inner diameter of the bearing because the die can be easily removed.
- the apparent area per one of the plurality of axial grooves 4 is preferably 0.5 to 10% of the total inner diameter surface area.
- the total force of the apparent area of the groove 4 is preferably 0.5 to 30% of the total inner diameter surface area. If it is less than 0.5%, the axial groove does not have sufficient volume, which may hinder long-term operation. On the other hand, if it exceeds 30%, the area receiving the load decreases and the surface pressure becomes excessive, which may cause abnormal wear.
- the plurality of axial grooves 4 include a groove 4A having a tunnel gate mark and a groove 4B having no tunnel gate mark.
- the grooves 4A are arranged so that the distance from the force on both sides of the groove 4A to the groove 4B on the bearing sliding surface is equal.
- the same number of grooves A and grooves B are formed at equal intervals. With this arrangement, a weld portion during injection molding is formed in the groove B.
- the outer peripheral portion 2 of the bearing is a cylindrical member that constitutes the outer peripheral portion of the slide bearing, and has a sliding portion.
- the sliding portion refers to the sliding portion on the inner diameter side for supporting the load in the radial direction.
- the end surface sliding portion can be connected only with the internal sliding portion. Including moving parts.
- the sintered metal forming the bearing outer peripheral portion 2 includes Fe-based sintered metal, Cu-based sintered metal, Fe-Cu-based sintered metal and the like, and may include C, Zn, Sn and the like as components. In addition, a small amount of noinder may be added to improve moldability and mold release properties. Further, an aluminum-based material containing Cu, Mg, Si, or the like, or a metal-synthetic resin in which iron powder is bonded with an epoxy-based synthetic resin may be used. Furthermore, in order to improve the adhesiveness with the resin layer, it is possible to perform a surface treatment or use an adhesive or the like as long as the molding does not hinder the molding.
- Fe-based sintered metal In order to obtain a plain bearing having high mechanical strength and durability as well as high dimensional accuracy and rotational accuracy, Fe-based sintered metal is preferable.
- Fe-based means that the content of Fe is 90% or more by weight. As long as this condition is satisfied, other components such as Cu, Sn, Zn, and C may be contained.
- Fe also includes stainless steel.
- a raw metal powder containing Fe in the above-mentioned content (a small amount of a binder may be added to improve moldability and mold release properties) is formed into a predetermined shape.
- the sintered body obtained by degreased and fired can be formed by performing post-processing such as sizing as necessary.
- the inside of the sintered metal has a large number of internal pores formed by a porous structure, and the surface of the sintered metal has a large number of surface openings formed by opening the internal pores to the outside. Inside pore Can be impregnated with oil, for example by vacuum impregnation.
- a resin layer 3 is insert-formed through a tunnel gate at a sliding portion of a bearing outer peripheral portion 2 made of a sintered metal to form a bearing surface that slides with a shaft member.
- the molten resin that forms the resin layer enters the internal pores of the surface layer and solidifies, and the resin layer firmly adheres to the base body surface by a kind of anchor effect. For this reason, high durability can be obtained, in which the resin layer is not easily peeled or dropped due to sliding with the shaft member.
- the surface porosity of the surface on which the sintered metal resin layer is formed is preferably 20 to 50%. If the surface porosity is less than 20%, a sufficient anchor effect on the resin layer cannot be obtained, and if the surface porosity exceeds 50%, dimensional accuracy and mechanical strength may not be maintained.
- the “surface porosity” is the ratio (area ratio) of the total area of surface porosity per unit area of the surface.
- the resin material forming the resin layer is preferably a material having excellent slidability when formed into a resin layer, and a solid lubricant or a lubricating oil may be blended.
- the resin material is not particularly limited as long as it is a synthetic resin which can be formed by injection molding and can be used as a sliding material.
- polyethylene resin such as low-density polyethylene, high-density polyethylene, ultra-high-molecular-weight polyethylene, modified polyethylene resin, water-crosslinked polyolefin resin, polyamide resin, polystyrene resin, polypropylene resin, urethane resin, black mouth trifle Polyethylene resin, tetrafluoroethylene'hexafluoropropylene copolymer resin, tetrafluoroethylene / perfluoroalkylbutyl ether copolymer resin, bifluoridene fluoride resin, ethylene ' Tetrafluoroethylene copolymer resin, polyacetal resin, polyethylene terephthalate resin, polybutylene terephthalate resin, polyphenylene ether resin, polycarbonate resin, aliphatic polyketone resin, polyphenylene sulfide resin, , Polyethersulfone fat, polyet Teruimido ⁇ , polyamideimide ⁇ , polyether ketone
- the resin material that can provide the lowest friction is polyethylene resin, and it can be said that polyethylene resin containing an ultrahigh molecular weight component is the most preferable synthetic resin from the viewpoint of abrasion resistance.
- the solid lubricant and lubricating oil include common solid lubricants such as polytetrafluoroethylene, graphite, disulfide molybdenum, boron nitride, disulfide tungsten, spindle oil, and refrigerating machine oil.
- Oils such as commonly used lubricating oils, such as mineral oils such as turbine oil, machine oil, and dynamo oil; synthetic oils such as hydrocarbons, esters, polyglycols, silicone oils, and fluorinated oils. It is also possible to impregnate these bearing oils into the outer periphery of the sintered metal bearing and to lubricate the sliding surfaces through the resin layer by oozing out the sliding surfaces. The impregnation can be performed by a method such as vacuum impregnation.
- an appropriate filler can be added in order to improve friction and wear characteristics and to reduce the coefficient of linear expansion.
- examples include glass fiber, carbon fiber, pitch carbon fiber, PAN carbon fiber, aramide fiber, alumina fiber, polyester fiber, boron fiber, silicon carbide fiber, boron nitride fiber, silicon nitride fiber, metal fiber, asbestos, Fibers such as quartz wool, or those obtained by knitting them into a cloth, minerals such as calcium carbonate, talc, silicic acid, clay, and mai force; aluminum borate whiskers; inorganic whiskers such as potassium titanate whiskers; carbon black And various heat-resistant resins such as graphite, polyimide resin and polybenzoimidazole.
- carbon fibers, metal fibers, graphite powder, zinc oxide, etc. may be added for the purpose of improving the thermal conductivity of the lubricating composition.
- carbonates such as lithium carbonate and calcium carbonate
- phosphates such as lithium phosphate and calcium phosphate may be blended.
- a carotenoid that can be widely applied to general synthetic resins may be used in combination with a compounding amount that does not impair the effects of the present invention.
- industrial additives such as a release agent, a flame retardant, an antistatic agent, a weather resistance improving agent, an antioxidant, and a coloring agent may be appropriately added. Absent.
- the resin composition that can be used in the present invention includes a resin composition in which a filler having communication holes is mixed with the above resin material.
- the filler having the communicating holes examples include a porous powder such as porous silica.
- Preferred as the porous silica is a powder mainly composed of amorphous silicon dioxide.
- sedimentable silica as an aggregate of fine particles having a primary particle diameter of 15 nm or more, an alkali silicate aqueous solution containing an alkali metal salt or an alkaline earth metal salt disclosed in JP-A-2000-143228, etc.
- a spherical porous silica which is an aggregate of primary fine particles having a particle diameter of 38 nm obtained by emulsifying in a solvent and gelling with carbon dioxide, may be mentioned.
- the present invention it is particularly preferable because it has a porous silica force communication hole in which primary fine particles having a particle diameter of 38 nm are aggregated to form spherical silica particles.
- the average particle diameter of the spherical silica particles is preferably from 0.5 to: LOO / zm. In view of ease of handling and imparting of sliding properties, 120 m is particularly preferable.
- Examples of such a spherical porous silica include Asahi Glass; Sunsphere, Suzuki Yushi Kogyo; and Godball.
- Examples of the porous silica are microids manufactured by Tokai Chemical Industry Co., Ltd.
- Spherical silica particles in which primary fine particles having a particle diameter of 38 nm are aggregated have a specific surface area of 200
- It preferably has the following characteristics: 900 m 2 Zg, preferably 300 800 m 2 Zg, pore volume of 13.5 ml Zg, pore diameter of 5 30 preferably 20 30 nm, oil absorption capacity of 150 400 ml Zl00 g, preferably 300 400 ml Zl00 g. Further, even if the film is dried again after being immersed in water, it is preferable that the pore volume and the oil absorption are maintained at 90% or more before immersion.
- the above specific surface area and pore volume are values measured by a nitrogen adsorption method in accordance with the oil absorption amount, ie, according to IS K5101.
- the inside and the outside surface of the spherical silica particles are covered with silanol (Si-OH) V, because the lubricant can be easily held inside.
- the porous silica can be subjected to an organic or inorganic surface treatment suitable for the base material.
- the shape of the porous silica is not particularly limited, and non-spherical porous silica can be used as long as the average particle diameter, specific surface area, oil absorption, etc. are within the range of the true spherical silica particles. .
- spherical and true spherical particles are more preferable from the viewpoint of aggressiveness to the sliding partner material and kneading properties.
- the term “spherical” refers to a sphere having a ratio of the minor axis to the major axis of 0.81.0, and the term “spherical” refers to a sphere closer to a true sphere than the above-mentioned sphere.
- the coefficient of linear expansion of the resin material (unit: 1Z ° C) X (the thickness of the resin layer (unit: m)) is preferably 0.15 or less. The following is preferred: 0.10 or less is more preferred.If the above value is larger than 0.15, the thickness or expansion of the resin portion also increases, and the outer diameter side of the resin portion is made of metal.
- the metal cannot expand beyond the expansion of the metal, but expands to the inner diameter side and the inner diameter decreases, resulting in a decrease in the clearance with the shaft and, depending on the initial clearance setting, a rise in temperature. Shaking of the shaft may occur, and excessive fluctuations in the clearance may cause torque fluctuations. , Excessive gap fluctuations may occur.
- the thickness of the moldable resin layer is about 50 m, and if it is smaller than this, it will be difficult to form. Therefore, the resin expansion coefficient X thickness needs to be 0.003 or more, preferably 0.01 or more, more preferably 0.015 or more.
- an optimal bearing shape can be selected according to the shape of the sliding portion, such as a radial type or a bush with a flange.
- the place where the resin layer is insert-molded into the outer peripheral portion of the bearing is not particularly limited as long as it is a sliding portion of the outer peripheral portion of the bearing.
- FIGS. 4 (a) and 4 (e) show a resin layer 3 formed on the radially inner side radial sliding surface of the bearing outer peripheral portion 2 in order to support a load in the radial direction.
- Fig. 4 (b), (c), and (d) show the resin layer 3 on the radial radial sliding surface and the thrust sliding surface of the bearing outer peripheral part 2 to support loads in the radial and thrust directions. It was formed.
- a resin layer may be provided on the outer diameter portion of the bearing as necessary.
- FIGS. 4 (c) and (e) a resin layer having a hooked portion so that the outer peripheral portion of the bearing and the resin layer are not peeled off is adopted.
- a plurality of grooves formed in the sliding portion are radial sliding surfaces, thrust sliding surfaces, or radial sliding surfaces and thrust surfaces of a not-shown force cylindrical bearing. It is preferable to provide a plurality of grooves on both of the sliding surfaces.
- the high-precision plain bearing of the present invention has high accuracy, excellent sliding characteristics, and does not attack soft mating materials such as aluminum shafts.
- the above high precision plain bearings Can be used for photosensitive drums of office machines, such as copiers and printers, as well as supporting bearings and the like that require rotational accuracy, such as developing units and Z or fixing units. By using them, generation of abnormal noise can be suppressed.
- the high-precision slide bearing can be used as a carriage bearing.
- Sintered metal is used for the carriage material of the above-mentioned carriage bearings, and it has excellent slidability.However, since sliding occurs between the mating shaft and the metal, if the lubrication condition deteriorates, abnormal noise is generated. May be. When a resin is used for the carriage, no abnormal noise is generated, but it is difficult to maintain accuracy. On the other hand, when the high-precision sliding bearing of the present invention is used as a carriage bearing, the occurrence of abnormal noise can be suppressed because the sliding is performed with the resin layer while maintaining high accuracy.
- Base resin polyethylene (Mitsui Petrochemical: Lubmar L5000)
- Filler silicone oil (Shin-Etsu Silicone: KF96H)
- Porous silica manufactured by Asahi Glass Co., Ltd .: Sunsphere H33.
- a mixture having a mixing ratio of porous silica and silicone oil of 1: 2.76 (weight conversion) was obtained, and 31.6% by weight of this mixture and 68.4% by weight of polyethylene resin were melted by a twin screw extruder. The mixture was melt-kneaded to produce pellets.
- the linear expansion coefficient of this resin composition was 0.0013Z ° C. Since the thickness of the resin layer is 250 m, (the coefficient of linear expansion of the resin material) X ( ⁇ Thickness) is 0.0325.
- a sintered metal having a predetermined shape was fixed in a mold, and insert molding was performed through a tunnel gate using oil-containing pellets.
- the outer diameter side of the plain bearing was constrained with sintered metal so that the dimensions could be changed only on the inner diameter side.
- the degree of change in the method was measured (based on the dimensions at 20 ° C, the dimensional changes at 10 ° C and 60 ° C were determined).
- the gap was less than 25 ⁇ m.
- the gap between the resin layer and the interpolated A5056 axis was measured at -10 ° C and 60 ° C. The results were 17. and 11., respectively.
- the initial gap was set to 15 / zm.
- the dimensional change of the shaft was -5.2111 (at -10) and 7111 (at 60 ° C) (the coefficient of linear expansion of the shaft material was 2.2 X 10V ° O o
- the high-precision plain bearing of the present invention has a resin layer that is insert-molded through a tunnel gate, so that gate processing is not required in the molding process. For this reason, mass production becomes possible while having high accuracy. Therefore, it can be used in place of rolling bearings for office machines and general-purpose equipment.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05743567A EP1752670B1 (en) | 2004-05-27 | 2005-05-24 | High precision sliding bearing |
US11/596,530 US7785013B2 (en) | 2004-05-27 | 2005-05-24 | High-accuracy sliding bearing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-157156 | 2004-05-27 | ||
JP2004157156A JP4515824B2 (ja) | 2004-05-27 | 2004-05-27 | 高精度すべり軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005116468A1 true WO2005116468A1 (ja) | 2005-12-08 |
Family
ID=35450957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/009411 WO2005116468A1 (ja) | 2004-05-27 | 2005-05-24 | 高精度すべり軸受 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7785013B2 (ja) |
EP (1) | EP1752670B1 (ja) |
JP (1) | JP4515824B2 (ja) |
CN (1) | CN100439070C (ja) |
WO (1) | WO2005116468A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104321550A (zh) * | 2012-03-27 | 2015-01-28 | Ntn株式会社 | 复合滑动轴承、托架引导件以及滑动螺母 |
JP2015016596A (ja) * | 2013-07-10 | 2015-01-29 | 三井化学株式会社 | 金属/樹脂複合構造体 |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200804697A (en) * | 2006-07-04 | 2008-01-16 | Yun-Ru Chen | A self-lubricating bearing and manufacturing method thereof |
JP4908140B2 (ja) * | 2006-10-06 | 2012-04-04 | 有限会社愛和ライト | 遊技機部品 |
US8038351B2 (en) | 2007-03-30 | 2011-10-18 | Roller Bearing Company Of America, Inc. | Self-lubricated bearing assembly |
JP5352978B2 (ja) * | 2007-09-11 | 2013-11-27 | 株式会社ダイヤメット | 焼結軸受の製造方法 |
JP2009099224A (ja) * | 2007-10-18 | 2009-05-07 | Nippon Densan Corp | チャッキング装置、モータユニットおよびディスク駆動装置 |
US20090245934A1 (en) * | 2008-03-26 | 2009-10-01 | Chin-Lung Han | Bushing structure for sheathing a shaft of a toner supply member |
EP2274525B1 (en) * | 2008-04-09 | 2018-09-12 | Saint-Gobain Performance Plastics Corporation | Bearings |
US9222511B2 (en) * | 2008-12-05 | 2015-12-29 | Doosan Infracore Co., Ltd. | Sliding bearing and sliding bearing assembly |
JP5339978B2 (ja) * | 2009-03-19 | 2013-11-13 | 大同メタル工業株式会社 | 冷凍機用圧縮機の軸受装置 |
JP2011038560A (ja) * | 2009-08-07 | 2011-02-24 | Jtekt Corp | スプライン伸縮軸及びその製造方法並びに車両用操舵装置 |
JP5335621B2 (ja) * | 2009-08-28 | 2013-11-06 | Ntn株式会社 | すべり軸受およびこれを備えるすべり軸受ユニット、並びにこの軸受ユニットを備えるモータ |
DE202010006089U1 (de) * | 2010-04-27 | 2011-09-01 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Gleitlager |
JP5635352B2 (ja) | 2010-09-30 | 2014-12-03 | Ntn株式会社 | 複合滑り軸受 |
US9121442B2 (en) * | 2010-11-11 | 2015-09-01 | Solvay Specialty Polymers Usa, Llc | Polymeric bearing articles for use in ultra-high pressure and velocity environments |
WO2012132639A1 (ja) * | 2011-03-25 | 2012-10-04 | 宇部興産株式会社 | 金属と熱可塑性樹脂の複合体 |
DE202011100921U1 (de) * | 2011-05-19 | 2012-08-22 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Elektromotor mit Gleitlageranordnung aus Kunststoff |
CN102261374B (zh) * | 2011-06-15 | 2014-04-09 | 罗立峰 | 动压气体止推陶瓷轴承 |
CN103182808A (zh) | 2011-12-28 | 2013-07-03 | 圣戈班高功能塑料集团 | 一种包括含氟聚合物表面层以及非氟聚合物过渡层的多层复合物 |
FR2985215B1 (fr) | 2011-12-28 | 2014-09-19 | Saint Gobain Performance Plast | Revetements polymeres deposes sur des substrats par des techniques de projection thermique |
CN103185130B (zh) * | 2011-12-31 | 2017-10-24 | 德昌电机(深圳)有限公司 | 驱动装置及其齿轮 |
JP2013185659A (ja) * | 2012-03-08 | 2013-09-19 | Ntn Corp | 球面間座、軸受、直動装置および球面間座の製造方法 |
WO2014001524A1 (en) | 2012-06-29 | 2014-01-03 | Saint-Gobain Performance Plastics Pampus Gmbh | Slide bearing comprising a primer system as adhesion promoter |
EP2901031B1 (en) * | 2012-09-28 | 2022-02-23 | Saint-Gobain Performance Plastics Pampus GmbH | Maintenance-free slide bearing with a combined adhesive sliding layer |
GB2508915A (en) | 2012-12-14 | 2014-06-18 | Mahle Int Gmbh | A thrust washer for a sliding bearing |
GB2508914A (en) | 2012-12-14 | 2014-06-18 | Mahle Int Gmbh | A thrust washer for a sliding bearing |
CN103075427A (zh) * | 2012-12-27 | 2013-05-01 | 贵州西南工具(集团)有限公司 | 一种彩棉机摘锭滑动轴承套材料及其制备方法 |
JP6214158B2 (ja) * | 2012-12-28 | 2017-10-18 | Ntn株式会社 | 転がり軸受 |
CN103133535A (zh) * | 2013-03-06 | 2013-06-05 | 北京工业大学 | 一种水压柱塞泵滑动轴承及其加工方法 |
US10536048B2 (en) * | 2013-03-25 | 2020-01-14 | Ntn Corporation | Method for manufacturing sintered bearing, sintered bearing, and vibration motor equipped with same |
CN104235174B (zh) * | 2013-06-17 | 2018-06-05 | 博世汽车部件(长沙)有限公司 | 滑动轴承以及具有所述滑动轴承的 abs 电机 |
KR101406161B1 (ko) * | 2013-06-27 | 2014-06-12 | 국방과학연구소 | 복합재료 베어링 부품 제조 방법 |
JP6422443B2 (ja) * | 2013-12-27 | 2018-11-14 | 株式会社荏原製作所 | すべり軸受装置 |
JP6266986B2 (ja) * | 2014-01-15 | 2018-01-24 | 大豊工業株式会社 | すべり軸受 |
CN105980723A (zh) * | 2014-02-06 | 2016-09-28 | Ntn株式会社 | 滑动轴承 |
JP2015148285A (ja) * | 2014-02-06 | 2015-08-20 | Ntn株式会社 | すべり軸受 |
JP6416577B2 (ja) * | 2014-10-06 | 2018-10-31 | Ntn株式会社 | 樹脂滑り軸受および美容器 |
CN104552797B (zh) * | 2014-12-24 | 2017-02-01 | 苏州工业园区协利塑胶有限公司 | 一种环形注塑件保内圆圆度的加工模具 |
KR101639517B1 (ko) | 2015-01-26 | 2016-07-14 | 부경대학교 산학협력단 | 무윤활 고속 베어링 및 그 제조방법 |
JP6382147B2 (ja) * | 2015-04-24 | 2018-08-29 | 株式会社荏原製作所 | すべり軸受装置及びこれを備えたポンプ |
JP2016223562A (ja) * | 2015-06-01 | 2016-12-28 | 大豊工業株式会社 | 内燃機関用軸受および内燃機関用軸受の製造方法 |
JP6617451B2 (ja) * | 2015-07-03 | 2019-12-11 | 中西金属工業株式会社 | 芯金入り樹脂歯車の製造方法 |
CN108026969B (zh) * | 2015-09-15 | 2020-09-01 | 本田技研工业株式会社 | 轴承构件以及使用其的振动衰减装置 |
TW201716699A (zh) * | 2015-11-05 | 2017-05-16 | 祥瑩有限公司 | 滑動軸承組件 |
JP6779755B2 (ja) * | 2015-11-26 | 2020-11-04 | 東洋紡フイルムソリューション株式会社 | 金属板貼合せ成形加工用着色二軸延伸ポリエステルフィルム |
DE102016203625B3 (de) | 2016-03-07 | 2017-03-30 | Thyssenkrupp Ag | Verfahren zur Herstellung einer längenveränderbaren Lenkwelle und Spritzgießvorrichtung zur Durchführung des Verfahrens |
TWI644029B (zh) * | 2016-06-30 | 2018-12-11 | 祥瑩有限公司 | 雙層滑動軸承 |
CN109863323B (zh) * | 2016-10-24 | 2020-11-10 | Ntn株式会社 | 滑动轴承 |
WO2018079542A1 (ja) * | 2016-10-24 | 2018-05-03 | Ntn株式会社 | 滑り軸受 |
US20190308351A1 (en) * | 2016-12-08 | 2019-10-10 | Ntn Corporation | Synthetic resin thrust plate and method for manufacturing the same |
CN106855082A (zh) * | 2017-01-22 | 2017-06-16 | 珠海市静润轴承科技有限公司 | 长寿命复合轴承及其制造方法以及电机、风扇 |
CN107255116A (zh) * | 2017-06-07 | 2017-10-17 | 赵红平 | 一种高密封性能的托辊专用轴承 |
JP6994194B2 (ja) * | 2017-11-30 | 2022-01-14 | 株式会社荏原製作所 | すべり軸受装置及びこれを備えたポンプ |
WO2019142843A1 (ja) * | 2018-01-17 | 2019-07-25 | Ntn株式会社 | 滑り軸受、軸受装置、および画像形成装置 |
JP7332299B2 (ja) * | 2018-01-17 | 2023-08-23 | Ntn株式会社 | 滑り軸受、軸受装置、および画像形成装置 |
JP7335179B2 (ja) * | 2020-02-06 | 2023-08-29 | 大同メタル工業株式会社 | 摺動部材 |
EP4130497B1 (en) | 2021-08-06 | 2023-12-20 | Rolls-Royce plc | Journal bearing |
CN114294324A (zh) * | 2021-12-30 | 2022-04-08 | 上海涟屹轴承科技有限公司 | 一种储油式直线滑动轴承及其精铸方法和机铸方法 |
CN114321172A (zh) * | 2021-12-30 | 2022-04-12 | 上海涟屹轴承科技有限公司 | 一种存油式直线滑动轴承及其精铸方法和机铸方法 |
DE102022122725A1 (de) | 2022-09-07 | 2024-03-07 | Schunk Kohlenstofftechnik Gmbh | Verfahren zur Herstellung einer Gleitlagerbuchse und Gleitlagerbuchse |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5568169A (en) * | 1978-11-14 | 1980-05-22 | Ricoh Co Ltd | Production of split type plain bearing |
JPH07276428A (ja) * | 1994-04-12 | 1995-10-24 | Nissha Printing Co Ltd | 図柄付成形品の製造方法 |
JP2000143228A (ja) | 1998-11-02 | 2000-05-23 | Dokai Chemical Industries Co Ltd | 高吸油量シリカゲルおよびその製造方法 |
JP2000266047A (ja) * | 1999-03-12 | 2000-09-26 | Eagle Ind Co Ltd | 軸受及びその製造方法 |
JP2003239976A (ja) | 2001-12-12 | 2003-08-27 | Ntn Corp | 高精度すべり軸受 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1236511A (en) * | 1913-05-26 | 1917-08-14 | Crocker Wheeler Co | Bearing-surface for machinery. |
US3023059A (en) * | 1957-08-16 | 1962-02-27 | Borg Warner | Marine bearing |
US4748862A (en) * | 1987-03-17 | 1988-06-07 | General Motors Corporation | Starter drive having a contaminant collecting bushing |
JPH0619175B2 (ja) * | 1989-03-15 | 1994-03-16 | 光洋精工株式会社 | 軸受ブシュ、射出成形用型および軸受ブシュの製造方法 |
JPH0571540A (ja) * | 1991-09-13 | 1993-03-23 | Nippon Seiko Kk | すべり軸受 |
JP3035116B2 (ja) * | 1993-05-14 | 2000-04-17 | 株式会社松井製作所 | ユニバーサルジョイント用スラストワッシャの製造方法 |
CN1072333C (zh) * | 1995-07-14 | 2001-10-03 | 株式会社Ntn | 轴承装置 |
JPH0976371A (ja) * | 1995-09-12 | 1997-03-25 | Mitsubishi Electric Corp | 多孔質プラスチック軸受およびその製造方法 |
JP3365719B2 (ja) * | 1996-12-27 | 2003-01-14 | 株式会社エンプラス | 歯車及び歯車の製造方法 |
JP3168538B2 (ja) * | 1997-04-19 | 2001-05-21 | チャン リー ウー | 滑りベアリング及びその製造方法 |
CA2311096C (en) * | 2000-06-02 | 2010-02-16 | Peter T. Markovitch | Bearing and bushing assembly |
JP4021607B2 (ja) * | 2000-08-15 | 2007-12-12 | 大豊工業株式会社 | すべり軸受 |
JP3532547B2 (ja) * | 2000-11-30 | 2004-05-31 | 本田技研工業株式会社 | シール一体型セパレータの製造方法 |
JP3571687B2 (ja) * | 2000-12-07 | 2004-09-29 | 本田技研工業株式会社 | シール一体型セパレータの製造方法 |
JP3754327B2 (ja) * | 2001-06-12 | 2006-03-08 | 三菱鉛筆株式会社 | シャープペンシルのノックカバー |
DE10216306B4 (de) * | 2002-04-14 | 2008-06-12 | Sgl Carbon Ag | Verfahren zur Herstellung einer Kontaktplatte für eine elektrochemische Zelle sowie deren Verwendungen |
US20030219180A1 (en) * | 2002-05-22 | 2003-11-27 | Hui-Wen Huang | Oil-impregnated bearing |
-
2004
- 2004-05-27 JP JP2004157156A patent/JP4515824B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-24 EP EP05743567A patent/EP1752670B1/en not_active Expired - Fee Related
- 2005-05-24 US US11/596,530 patent/US7785013B2/en not_active Expired - Fee Related
- 2005-05-24 WO PCT/JP2005/009411 patent/WO2005116468A1/ja not_active Application Discontinuation
- 2005-05-24 CN CNB2005800167579A patent/CN100439070C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5568169A (en) * | 1978-11-14 | 1980-05-22 | Ricoh Co Ltd | Production of split type plain bearing |
JPH07276428A (ja) * | 1994-04-12 | 1995-10-24 | Nissha Printing Co Ltd | 図柄付成形品の製造方法 |
JP2000143228A (ja) | 1998-11-02 | 2000-05-23 | Dokai Chemical Industries Co Ltd | 高吸油量シリカゲルおよびその製造方法 |
JP2000266047A (ja) * | 1999-03-12 | 2000-09-26 | Eagle Ind Co Ltd | 軸受及びその製造方法 |
JP2003239976A (ja) | 2001-12-12 | 2003-08-27 | Ntn Corp | 高精度すべり軸受 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1752670A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104321550A (zh) * | 2012-03-27 | 2015-01-28 | Ntn株式会社 | 复合滑动轴承、托架引导件以及滑动螺母 |
EP2833009A4 (en) * | 2012-03-27 | 2016-02-17 | Ntn Toyo Bearing Co Ltd | COMPOSITE SMOOTH BEARING, CRADLE GUIDE AND SLIDING NUT |
US10077807B2 (en) | 2012-03-27 | 2018-09-18 | Ntn Corporation | Composite plain bearing, cradle guide, and sliding nut |
JP2015016596A (ja) * | 2013-07-10 | 2015-01-29 | 三井化学株式会社 | 金属/樹脂複合構造体 |
Also Published As
Publication number | Publication date |
---|---|
EP1752670A1 (en) | 2007-02-14 |
US7785013B2 (en) | 2010-08-31 |
CN100439070C (zh) | 2008-12-03 |
CN1957185A (zh) | 2007-05-02 |
EP1752670A4 (en) | 2011-01-05 |
JP4515824B2 (ja) | 2010-08-04 |
US20070177833A1 (en) | 2007-08-02 |
JP2005337381A (ja) | 2005-12-08 |
EP1752670B1 (en) | 2012-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005116468A1 (ja) | 高精度すべり軸受 | |
KR101081808B1 (ko) | 슬라이딩 베어링의 제조방법 | |
KR101835911B1 (ko) | 복합 미끄럼 베어링 | |
JP2003239976A (ja) | 高精度すべり軸受 | |
JP2009097598A (ja) | 滑り軸受およびその製造方法 | |
JP2007051705A (ja) | 高精度滑り軸受 | |
JP5715504B2 (ja) | 複層軸受の製造方法および複層軸受 | |
WO2005121288A1 (ja) | 摺動材料およびすべり軸受 | |
WO2015119231A1 (ja) | すべり軸受 | |
WO2006062115A1 (ja) | 玉軸受用保持器とそれを用いた玉軸受 | |
JP4866411B2 (ja) | 含油摺動材およびすべり軸受 | |
JP2010032059A (ja) | 高精度すべり軸受 | |
JP4489512B2 (ja) | 導電性高精度すべり軸受 | |
KR20190052694A (ko) | 활주 부재 | |
JPH03292366A (ja) | 耐摩耗性樹脂組成物 | |
JP6317057B2 (ja) | 滑り軸受 | |
JP2007107614A (ja) | 転がり軸受用保持器 | |
JP4310053B2 (ja) | 含油摺動材およびすべり軸受 | |
JP2015148285A (ja) | すべり軸受 | |
JP6545781B2 (ja) | 滑り軸受 | |
JP2006250262A (ja) | 精密摺動部品用すべり軸受 | |
JP2018059085A (ja) | 摺動部材およびその製造方法 | |
WO2019070041A1 (ja) | 摺動部材 | |
JP2006009834A (ja) | すべり軸受 | |
JP6199196B2 (ja) | すべり軸受 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 11596530 Country of ref document: US Ref document number: 2007177833 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580016757.9 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005743567 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2005743567 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 11596530 Country of ref document: US |