JP2005009636A5 - - Google Patents
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- JP2005009636A5 JP2005009636A5 JP2003176712A JP2003176712A JP2005009636A5 JP 2005009636 A5 JP2005009636 A5 JP 2005009636A5 JP 2003176712 A JP2003176712 A JP 2003176712A JP 2003176712 A JP2003176712 A JP 2003176712A JP 2005009636 A5 JP2005009636 A5 JP 2005009636A5
- Authority
- JP
- Japan
- Prior art keywords
- coating
- resin
- polyamide
- rolling bearing
- bearing according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- 239000011248 coating agent Substances 0.000 description 16
- 238000000576 coating method Methods 0.000 description 16
- 238000005096 rolling process Methods 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000011342 resin composition Substances 0.000 description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 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
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920003189 Nylon 4,6 Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 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
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 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
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920006111 poly(hexamethylene terephthalamide) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 少なくとも内輪、外輪、合成樹脂製保持器及び転動体を備える転がり軸受において、前記合成樹脂製保持器がポリアミド樹脂をベース樹脂とする樹脂組成物からなり、かつ表面に防湿被膜が形成されていることを特徴とする転がり軸受。
【請求項２】 ポリアミド樹脂がポリアミド６、ポリアミド６６、ポリアミド６１２、ポリアミド６１０、ポリアミド４６、ポリアミド６Ｔ及びポリアミドＸＤ６から得らればれる少なくとも１種であることを特徴とする請求項１記載の転がり軸受。
【請求項３】 樹脂組成物がガラス繊維、炭素繊維、アラミド繊維、アルミナ繊維、チタン酸カリウムウィスカー、ホウ酸アルミニウムウィスカー、炭化ケイ素ウィスカー、窒化ケイ素ウィスカー、塩基性硫酸マグネシウムウィスカー、ウォラストナイト、ゾノライトから選ばれる少なくとも１種の補強材を含有することを特徴とする請求項１または２記載の転がり軸受。
【請求項４】 補強材の含有量が樹脂組成物全量の５〜４５質量％であることを特徴とする請求項３記載の転がり軸受。
【請求項５】 防湿被膜が非晶性フッ素樹脂被膜、硬化型ウレタン樹脂被膜、硬化型アクリル樹脂被膜、硬化型エポキシ樹脂被膜または金属蒸着被膜であることを特徴とする請求項１〜４の何れか１項に記載の転がり軸受。
【請求項６】 防湿被膜が非晶性フッ素樹脂被膜、硬化型ウレタン樹脂被膜、硬化型アクリル樹脂被膜または硬化型エポキシ樹脂被膜であり、かつ、膜厚が０．１〜２０μｍであることを特徴とする請求項１〜４の何れか１項に記載の転がり軸受。
【請求項７】 防湿被膜がアルミニウム、クロムまたはニッケルからなり、かつ、膜厚が０．００８〜０．２μｍであることを特徴とする請求項１〜４の何れか１項に記載の転がり軸受。
【請求項８】 防湿被膜が硬化型ウレタン樹脂、硬化型アクリル樹脂または硬化型エポキシ樹脂からなる膜厚０．１〜２０μｍの被膜を下地層の上に、アルミニウム、クロムまたはニッケルからなる膜厚０．００８から０．２μｍの被膜を積層してなることを特徴とする請求項１〜４の何れか１項に記載の転がり軸受。
[Claims]
1. A rolling bearing comprising at least an inner ring, an outer ring, a synthetic resin cage and a rolling element, wherein the synthetic resin cage is made of a resin composition having a polyamide resin as a base resin, and has a moisture-proof coating on the surface. A rolling bearing characterized by being formed.
2. A rolling bearing according to claim 1, wherein the polyamide resin is at least one kind obtained from polyamide 6, polyamide 66, polyamide 612, polyamide 610, polyamide 46, polyamide 6T and polyamide XD6.
3. A resin composition comprising glass fiber, carbon fiber, aramid fiber, alumina fiber, potassium titanate whisker, aluminum borate whisker, silicon carbide whisker, silicon nitride whisker, basic magnesium sulfate whisker, wollastonite, zonolite The rolling bearing according to claim 1, comprising at least one reinforcing material selected from the group consisting of:
4. A rolling bearing according to claim 3, wherein the content of the reinforcing material is 5 to 45 mass% of the total amount of the resin composition.
5. The moisture-proof coating is an amorphous fluororesin coating, a curable urethane resin coating, a curable acrylic resin coating, a curable epoxy resin coating, or a metal vapor deposition coating. The rolling bearing according to claim 1.
6. The moisture-proof coating is an amorphous fluororesin coating, a curable urethane resin coating, a curable acrylic resin coating, or a curable epoxy resin coating, and has a film thickness of 0.1 to 20 μm. The rolling bearing according to any one of claims 1 to 4.
7. moisture coating aluminum, consists of chromium or nickel, and a film thickness according to claim 1, characterized in that the 0.008~0.2μm rolling .
8. A moisture-proof coating is curable urethane resin, a film thickness 0.1~20μm coating made of a cured acrylic resin or curable epoxy resin on the base layer, an aluminum film thickness made of chromium or nickel 0 The rolling bearing according to any one of claims 1 to 4, wherein a coating of 0.008 to 0.2 µm is laminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003176712A JP2005009636A (en) | 2003-06-20 | 2003-06-20 | Rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003176712A JP2005009636A (en) | 2003-06-20 | 2003-06-20 | Rolling bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005009636A JP2005009636A (en) | 2005-01-13 |
| JP2005009636A5 true JP2005009636A5 (en) | 2006-05-18 |
Family
ID=34099519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003176712A Withdrawn JP2005009636A (en) | 2003-06-20 | 2003-06-20 | Rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2005009636A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226362A (en) * | 2005-02-16 | 2006-08-31 | Ntn Corp | Sprocket support structure for running speed change gear of construction machine |
| JP2007051739A (en) * | 2005-08-19 | 2007-03-01 | Nsk Ltd | Rolling bearing for automobile seat slide |
| JP2007170430A (en) * | 2005-12-19 | 2007-07-05 | Nsk Ltd | Rolling bearing for hybrid automobile |
| DE102008022311A1 (en) | 2008-05-06 | 2009-11-12 | Schaeffler Kg | Cage for rolling elements of a bearing |
| JP2017053450A (en) * | 2015-09-10 | 2017-03-16 | Ntn株式会社 | Rolling bearing |
-
2003
- 2003-06-20 JP JP2003176712A patent/JP2005009636A/en not_active Withdrawn
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