JPWO2017217321A1 - ガラス転動体 - Google Patents
ガラス転動体 Download PDFInfo
- Publication number
- JPWO2017217321A1 JPWO2017217321A1 JP2018523859A JP2018523859A JPWO2017217321A1 JP WO2017217321 A1 JPWO2017217321 A1 JP WO2017217321A1 JP 2018523859 A JP2018523859 A JP 2018523859A JP 2018523859 A JP2018523859 A JP 2018523859A JP WO2017217321 A1 JPWO2017217321 A1 JP WO2017217321A1
- Authority
- JP
- Japan
- Prior art keywords
- glass
- less
- rolling element
- ion exchange
- glass rolling
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Glass Compositions (AREA)
- Rolling Contact Bearings (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
CT = CS×DOL/(t−2×DOL)
t:直径(板厚)
CT:内部の引っ張り応力値
CS:圧縮応力値
DOL:応力深さ
Claims (7)
- 直径の寸法公差が0.5%以内であり、表面にイオン交換による圧縮応力層を有することを特徴とするガラス転動体。
- 表面が研磨面であることを特徴とする請求項1に記載のガラス転動体。
- 表面が化学エッチング面であることを特徴とする請求項1に記載のガラス転動体。
- 表面の表面粗さRaが3nm以下であることを特徴とする請求項1〜3の何れかに記載のガラス転動体。
- 圧縮応力層の圧縮応力値CSが300MPa以上、且つ応力深さDOLが30μm以上であることを特徴とする請求項1〜4の何れかに記載のガラス転動体。
- ガラス組成として、質量%で、SiO2 45〜75%、Al2O3 10〜30%、Na2O 5〜25%を含有することを特徴とする請求項1〜5の何れかに記載のガラス転動体。
- 液相粘度が104.0dPa・s以上であることを特徴とする請求項1〜6の何れかに記載のガラス転動体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016117673 | 2016-06-14 | ||
JP2016117673 | 2016-06-14 | ||
PCT/JP2017/021378 WO2017217321A1 (ja) | 2016-06-14 | 2017-06-08 | ガラス転動体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017217321A1 true JPWO2017217321A1 (ja) | 2019-06-13 |
JP6959584B2 JP6959584B2 (ja) | 2021-11-02 |
Family
ID=60663245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018523859A Active JP6959584B2 (ja) | 2016-06-14 | 2017-06-08 | ガラス転動体 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6959584B2 (ja) |
WO (1) | WO2017217321A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018235663A1 (ja) * | 2017-06-19 | 2018-12-27 | 日本電気硝子株式会社 | 転動装置及び球状ガラス |
JP7106057B2 (ja) * | 2018-01-31 | 2022-07-26 | 日本電気硝子株式会社 | 球状ガラス、ガラス転動体及びガラス転動体の製造方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11287249A (ja) * | 1998-04-03 | 1999-10-19 | Morita Mfg Co Ltd | 高速回転機器用の転がり軸受装置 |
JP2001027251A (ja) * | 1999-07-14 | 2001-01-30 | Minebea Co Ltd | 軸受とその製造方法 |
JP2004226246A (ja) * | 2003-01-23 | 2004-08-12 | Nsk Ltd | 転動体の寸法測定装置及び方法 |
JP2005226829A (ja) * | 2004-01-14 | 2005-08-25 | Nsk Ltd | 転動装置 |
JP2007303481A (ja) * | 2006-05-08 | 2007-11-22 | Jtekt Corp | 伸縮軸および伸縮軸の製造方法 |
JP2008195602A (ja) * | 2007-01-16 | 2008-08-28 | Nippon Electric Glass Co Ltd | 強化ガラス基板の製造方法及び強化ガラス基板 |
JP2013072491A (ja) * | 2011-09-28 | 2013-04-22 | Panasonic Corp | 転がり軸受およびそれを備えた電動機 |
JP2017015147A (ja) * | 2015-06-30 | 2017-01-19 | 日本精工株式会社 | 転動装置 |
-
2017
- 2017-06-08 WO PCT/JP2017/021378 patent/WO2017217321A1/ja active Application Filing
- 2017-06-08 JP JP2018523859A patent/JP6959584B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11287249A (ja) * | 1998-04-03 | 1999-10-19 | Morita Mfg Co Ltd | 高速回転機器用の転がり軸受装置 |
JP2001027251A (ja) * | 1999-07-14 | 2001-01-30 | Minebea Co Ltd | 軸受とその製造方法 |
JP2004226246A (ja) * | 2003-01-23 | 2004-08-12 | Nsk Ltd | 転動体の寸法測定装置及び方法 |
JP2005226829A (ja) * | 2004-01-14 | 2005-08-25 | Nsk Ltd | 転動装置 |
JP2007303481A (ja) * | 2006-05-08 | 2007-11-22 | Jtekt Corp | 伸縮軸および伸縮軸の製造方法 |
JP2008195602A (ja) * | 2007-01-16 | 2008-08-28 | Nippon Electric Glass Co Ltd | 強化ガラス基板の製造方法及び強化ガラス基板 |
JP2013072491A (ja) * | 2011-09-28 | 2013-04-22 | Panasonic Corp | 転がり軸受およびそれを備えた電動機 |
JP2017015147A (ja) * | 2015-06-30 | 2017-01-19 | 日本精工株式会社 | 転動装置 |
Also Published As
Publication number | Publication date |
---|---|
JP6959584B2 (ja) | 2021-11-02 |
WO2017217321A1 (ja) | 2017-12-21 |
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