JP5261996B2 - 複層摺動部材 - Google Patents
複層摺動部材 Download PDFInfo
- Publication number
- JP5261996B2 JP5261996B2 JP2007168287A JP2007168287A JP5261996B2 JP 5261996 B2 JP5261996 B2 JP 5261996B2 JP 2007168287 A JP2007168287 A JP 2007168287A JP 2007168287 A JP2007168287 A JP 2007168287A JP 5261996 B2 JP5261996 B2 JP 5261996B2
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- weight
- synthetic resin
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- sliding member
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- 239000000203 mixture Substances 0.000 claims description 64
- 229920003002 synthetic resin Polymers 0.000 claims description 57
- 239000000057 synthetic resin Substances 0.000 claims description 57
- 229910052751 metal Inorganic materials 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 56
- 239000010410 layer Substances 0.000 claims description 39
- 239000004677 Nylon Substances 0.000 claims description 34
- 229920001778 nylon Polymers 0.000 claims description 34
- 239000012791 sliding layer Substances 0.000 claims description 29
- 239000000314 lubricant Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 12
- 239000000194 fatty acid Substances 0.000 claims description 12
- 229930195729 fatty acid Natural products 0.000 claims description 12
- 150000004665 fatty acids Chemical class 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- JUNWLZAGQLJVLR-UHFFFAOYSA-J calcium diphosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])(=O)OP([O-])([O-])=O JUNWLZAGQLJVLR-UHFFFAOYSA-J 0.000 claims description 6
- 229940043256 calcium pyrophosphate Drugs 0.000 claims description 6
- 235000019821 dicalcium diphosphate Nutrition 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 4
- RHJYKEDKMHDZBL-UHFFFAOYSA-L metaphosphoric acid (hpo3), magnesium salt Chemical compound [Mg+2].[O-]P(=O)=O.[O-]P(=O)=O RHJYKEDKMHDZBL-UHFFFAOYSA-L 0.000 claims description 4
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 4
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 4
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 2
- 229940049964 oleate Drugs 0.000 claims description 2
- 229940037312 stearamide Drugs 0.000 claims description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 20
- 239000004810 polytetrafluoroethylene Substances 0.000 description 19
- 229910019142 PO4 Inorganic materials 0.000 description 14
- 235000021317 phosphate Nutrition 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 239000010452 phosphate Substances 0.000 description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 239000004519 grease Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 229910000906 Bronze Inorganic materials 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 5
- 239000010974 bronze Substances 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 5
- 239000011812 mixed powder Substances 0.000 description 5
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 description 4
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229920006358 Fluon Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 2
- 229920006361 Polyflon Polymers 0.000 description 2
- 239000004959 Rilsan Substances 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 235000011180 diphosphates Nutrition 0.000 description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical group OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- FXNGWBDIVIGISM-UHFFFAOYSA-N methylidynechromium Chemical group [Cr]#[C] FXNGWBDIVIGISM-UHFFFAOYSA-N 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 2
- 229940078499 tricalcium phosphate Drugs 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 1
- 229910012258 LiPO Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical class OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 1
- ROPDWRCJTIRLTR-UHFFFAOYSA-L calcium metaphosphate Chemical compound [Ca+2].[O-]P(=O)=O.[O-]P(=O)=O ROPDWRCJTIRLTR-UHFFFAOYSA-L 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- MHJAJDCZWVHCPF-UHFFFAOYSA-L dimagnesium phosphate Chemical compound [Mg+2].OP([O-])([O-])=O MHJAJDCZWVHCPF-UHFFFAOYSA-L 0.000 description 1
- 229910000395 dimagnesium phosphate Inorganic materials 0.000 description 1
- XZTWHWHGBBCSMX-UHFFFAOYSA-J dimagnesium;phosphonato phosphate Chemical compound [Mg+2].[Mg+2].[O-]P([O-])(=O)OP([O-])([O-])=O XZTWHWHGBBCSMX-UHFFFAOYSA-J 0.000 description 1
- 239000001177 diphosphate Substances 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical class [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- MRVHOJHOBHYHQL-UHFFFAOYSA-M lithium metaphosphate Chemical compound [Li+].[O-]P(=O)=O MRVHOJHOBHYHQL-UHFFFAOYSA-M 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 oleate amide Chemical class 0.000 description 1
- WCGOOOYCJYHLRW-UHFFFAOYSA-I pentalithium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Li+].[Li+].[Li+].[Li+].[Li+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O WCGOOOYCJYHLRW-UHFFFAOYSA-I 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229940048084 pyrophosphate Drugs 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- MVGWWCXDTHXKTR-UHFFFAOYSA-J tetralithium;phosphonato phosphate Chemical compound [Li+].[Li+].[Li+].[Li+].[O-]P([O-])(=O)OP([O-])([O-])=O MVGWWCXDTHXKTR-UHFFFAOYSA-J 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/122—Multilayer structures of sleeves, washers or liners
- F16C33/125—Details of bearing layers, i.e. the lining
-
- 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
- F16C33/203—Multilayer structures, e.g. sleeves comprising a plastic lining
- F16C33/206—Multilayer structures, e.g. sleeves comprising a plastic lining with three layers
-
- 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
- F16C33/208—Methods of manufacture, e.g. shaping, applying coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Sliding-Contact Bearings (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
11ナイロンとしてアトフィナ・ジャパン社製の「リルサン(商品名)」を、12ナイロンとしてダイセル・デグサ社製の「ダイアミド(商品名)」をそれぞれ使用し、11ナイロン又は12ナイロン100重量部に対し、リン酸塩として第三リン酸カルシウム、ピロリン酸カルシウム及びメタリン酸マグネシウムのうちの少なくとも一つを3〜5重量部と、PTFEとして旭硝子社製の「フルオンL150J(商品名)」及び喜多村社製の「KTL−8N(商品名)」のいずれか一方を10〜15重量部とを配合し、これらをヘンシェルミキサー内に供給し、撹拌混合して合成樹脂組成物の混合粉末を得た。
11ナイロン(前記実施例と同じ)又は12ナイロン(前記実施例と同じ)100重量部に対し、リン酸塩として第三リン酸カルシウム、ピロリン酸カルシウム及びメタリン酸マグネシウムの少なくとも一つを3〜5重量部と、PTFEとして旭硝子社製の「フルオンL150J(商品名)」及び喜多村社製の「KTL−8N(商品名)」のいずれか一方を10〜15重量部と、脂肪酸アミドとしてエチレンビスステアリン酸アミド4重量部、又は固体潤滑剤として黒鉛及び二硫化モリブデンのいずれか一方を1重量部とを配合し、これらをヘンシェルミキサー内に供給し、撹拌混合して合成樹脂組成物の混合粉末を得た。以下、前記実施例と同様の方法で一辺が30mmの方形状試験片を得た。
11ナイロン(前記実施例と同じ)100重量部に対し、リン酸塩としてピロリン酸カルシウム5重量部を配合した合成樹脂組成物、及び固体潤滑剤として黒鉛1重量部を配合した合成樹脂組成物のそれぞれをヘンシェルミキサー内に供給し、撹拌混合して合成樹脂組成物の混合粉末を得た。以下、前記実施例と同様の方法で一辺が30mmの方形状試験片を得た。
PTFEとしてダイキン工業社製のファインパウダー用高分子量PTFE〔ポリフロンF201(商品名)〕を使用し、PTFE100重量部に対し、鉛43重量部を配合した合成樹脂組成物、及び上記と同じPTFE100重量部に対し、リン酸塩としてピロリン酸カルシウム10重量部と鉛29重量部とを配合した合成樹脂組成物をそれぞれ準備し、これら合成樹脂組成物をヘンシェルミキサー内に供給して撹拌混合し、得られた混合粉末100重量部に対し石油系溶剤20重量部を配合し、PTFEの室温転移点以下の温度(15℃)で混合し、湿潤性を有する合成樹脂組成物を得た。
表1に記載の条件で静止摩擦係数、動摩擦係数及び摩耗量を測定した。摩耗量については、試験時間〔20時間〕終了後の滑り層の寸法変化量で示した。
滑り速度 3m/min
荷重 300kgf
試験時間 20時間
潤滑 無潤滑(ドライ)
相手材材質 高炭素クロム軸受鋼(SUJ2)
相手材の表面粗さ Ra(算術平均粗さ)0.1
表2に記載の条件で静止摩擦係数、動摩擦係数及び摩耗量を測定した。摩耗量については、試験時間〔20時間〕終了後の滑り層の寸法変化量で示した。
滑り速度 3m/min
荷重 500kgf
試験時間 20時間
潤滑 試験前に摺動面に鉱油系グリース〔協同油脂社製の「ワンルーバー MO(商品名)」〕を塗布
相手材材質 高炭素クロム軸受鋼(SUJ2)
相手材の表面粗さ Ra(算術平均粗さ)0.3
表3に記載の条件で摩擦係数及び摩耗量を測定した。摩擦係数については、試験を開始してから1時間経過後、試験終了までの安定時の摩擦係数を示し、摩耗量については、試験時間終了後の滑り層の寸法変化量で示した。
滑り速度 5m/min
荷重(面圧) 19.6MPa(200kgf/cm2)
試験時間 20時間
潤滑 無潤滑(ドライ)
相手材材質 機械構造用炭素鋼(S45C)
相手材の表面粗さ Ra(算術平均粗さ)0.15
2 多孔質金属焼結層
3 滑り層
Claims (4)
- 鋼板からなる裏金と、該裏金の表面に一体に形成された多孔質金属焼結層と、該多孔質金属焼結層の孔隙に充填されかつ表面に被覆された合成樹脂組成物からなる滑り層とを具備した複層摺動部材であって、合成樹脂組成物は、11ナイロン又は12ナイロン100重量部に対し、第三リン酸カルシウム、ピロリン酸カルシウム又はメタリン酸マグネシウム1〜15重量部と5000〜80万の分子量をもった低分子量四ふっ化エチレン樹脂5〜30重量部とが配合されてなる複層摺動部材。
- 合成樹脂組成物に、追加成分として、脂肪酸アミドが5重量部以下配合されている請求項1に記載の複層摺動部材。
- 脂肪酸アミドは、エチレンビスエルカ酸アミド、エチレンビスオレイン酸アミド、エチレンビスステアリン酸アミド、オレイン酸アミド、ステアリン酸アミド、エルカ酸アミドのうちのいずれか一つから選択される請求項2に記載の複層摺動部材。
- 合成樹脂組成物に、追加成分として、黒鉛、二硫化モリブデン、二硫化タングステン及び窒化ホウ素の固体潤滑剤の群から選択される少なくとも一つが5重量部以下配合されている請求項1から3のいずれか一項に記載の複層摺動部材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007168287A JP5261996B2 (ja) | 2007-06-26 | 2007-06-26 | 複層摺動部材 |
Applications Claiming Priority (1)
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