WO2009001648A1 - 転動部材、転がり軸受および転動部材の製造方法 - Google Patents

転動部材、転がり軸受および転動部材の製造方法 Download PDF

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Publication number
WO2009001648A1
WO2009001648A1 PCT/JP2008/059988 JP2008059988W WO2009001648A1 WO 2009001648 A1 WO2009001648 A1 WO 2009001648A1 JP 2008059988 W JP2008059988 W JP 2008059988W WO 2009001648 A1 WO2009001648 A1 WO 2009001648A1
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WO
WIPO (PCT)
Prior art keywords
rolling
ball
outer ring
inner ring
rolling member
Prior art date
Application number
PCT/JP2008/059988
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English (en)
French (fr)
Inventor
Katsutoshi Muramatsu
Original Assignee
Ntn Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2007169463A external-priority patent/JP5550029B2/ja
Priority claimed from JP2007172323A external-priority patent/JP5550030B2/ja
Priority claimed from JP2007172337A external-priority patent/JP5550031B2/ja
Application filed by Ntn Corporation filed Critical Ntn Corporation
Priority to US12/666,217 priority Critical patent/US8376624B2/en
Priority to ES08764906.7T priority patent/ES2523195T3/es
Priority to EP08764906.7A priority patent/EP2163775B1/en
Priority to CN2008800224096A priority patent/CN101688558B/zh
Publication of WO2009001648A1 publication Critical patent/WO2009001648A1/ja
Priority to US13/233,683 priority patent/US8366558B2/en
Priority to US13/750,736 priority patent/US9097280B2/en

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    • 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
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
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    • C04B35/597—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon oxynitride, e.g. SIALONS
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  • Rolling Contact Bearings (AREA)

Abstract

　安価でありながら、十分な耐久性を安定して確保することが可能なβサイアロン焼結体からなる転動部材である外輪（１１）、内輪（１２）および玉（１３）は、βサイアロンを主成分とし、残部不純物からなる焼結体から構成されている。そして、外輪（１１）、内輪（１２）および玉（１３）の転走面である外輪転走面（１１Ａ）、内輪転走面（１２Ａ）および玉転走面（１３Ａ）を含む領域には、内部（１１Ｃ，１２Ｃ，１３Ｃ）よりも緻密性の高い層である外輪緻密層（１１Ｂ）、内輪緻密層（１２Ｂ）および玉緻密層（１３Ｂ）が形成されている。
PCT/JP2008/059988 2007-06-27 2008-05-30 転動部材、転がり軸受および転動部材の製造方法 WO2009001648A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US12/666,217 US8376624B2 (en) 2007-06-27 2008-05-30 Rolling contact member and rolling bearing
ES08764906.7T ES2523195T3 (es) 2007-06-27 2008-05-30 Miembro de rodamiento, cojinete de rodillos y proceso para la fabricación del miembro de rodamiento
EP08764906.7A EP2163775B1 (en) 2007-06-27 2008-05-30 Rolling member, rolling bearing and process for manufacturing rolling member
CN2008800224096A CN101688558B (zh) 2007-06-27 2008-05-30 滚动部件、滚动轴承和滚动部件的制造方法
US13/233,683 US8366558B2 (en) 2007-06-27 2011-09-15 Rolling contact member, rolling bearing, and method of producing rolling contact member
US13/750,736 US9097280B2 (en) 2007-06-27 2013-01-25 Rolling contact member, rolling bearing, and method of producing rolling contact member

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JP2007-169463 2007-06-27
JP2007169463A JP5550029B2 (ja) 2007-06-27 2007-06-27 転動部材の製造方法
JP2007172323A JP5550030B2 (ja) 2007-06-29 2007-06-29 自在継手用トルク伝達部材の製造方法
JP2007-172337 2007-06-29
JP2007-172323 2007-06-29
JP2007172337A JP5550031B2 (ja) 2007-06-29 2007-06-29 摺動部材の製造方法

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US12/666,217 A-371-Of-International US8376624B2 (en) 2007-06-27 2008-05-30 Rolling contact member and rolling bearing
US13/233,683 Continuation US8366558B2 (en) 2007-06-27 2011-09-15 Rolling contact member, rolling bearing, and method of producing rolling contact member
US13/750,736 Division US9097280B2 (en) 2007-06-27 2013-01-25 Rolling contact member, rolling bearing, and method of producing rolling contact member

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US8366558B2 (en) 2013-02-05
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ES2523195T3 (es) 2014-11-21
EP2163775A4 (en) 2011-06-22
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