JP4978887B2 - ボールねじ機構 - Google Patents

ボールねじ機構 Download PDF

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Publication number
JP4978887B2
JP4978887B2 JP2007112775A JP2007112775A JP4978887B2 JP 4978887 B2 JP4978887 B2 JP 4978887B2 JP 2007112775 A JP2007112775 A JP 2007112775A JP 2007112775 A JP2007112775 A JP 2007112775A JP 4978887 B2 JP4978887 B2 JP 4978887B2
Authority
JP
Japan
Prior art keywords
ball
groove
groove bottom
screw
radius
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.)
Expired - Fee Related
Application number
JP2007112775A
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English (en)
Japanese (ja)
Other versions
JP2008267523A (ja
JP2008267523A5 (enExample
Inventor
徹 原田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
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
Application filed by NSK Ltd filed Critical NSK Ltd
Priority to JP2007112775A priority Critical patent/JP4978887B2/ja
Publication of JP2008267523A publication Critical patent/JP2008267523A/ja
Publication of JP2008267523A5 publication Critical patent/JP2008267523A5/ja
Application granted granted Critical
Publication of JP4978887B2 publication Critical patent/JP4978887B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
    • F16H25/2223—Cross over deflectors between adjacent thread turns, e.g. S-form deflectors connecting neighbouring threads

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
JP2007112775A 2007-04-23 2007-04-23 ボールねじ機構 Expired - Fee Related JP4978887B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007112775A JP4978887B2 (ja) 2007-04-23 2007-04-23 ボールねじ機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007112775A JP4978887B2 (ja) 2007-04-23 2007-04-23 ボールねじ機構

Publications (3)

Publication Number Publication Date
JP2008267523A JP2008267523A (ja) 2008-11-06
JP2008267523A5 JP2008267523A5 (enExample) 2010-06-17
JP4978887B2 true JP4978887B2 (ja) 2012-07-18

Family

ID=40047280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007112775A Expired - Fee Related JP4978887B2 (ja) 2007-04-23 2007-04-23 ボールねじ機構

Country Status (1)

Country Link
JP (1) JP4978887B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2546006B1 (en) 2010-03-31 2023-06-28 NSK Ltd. Method for manufacturing ball screw nut
US20130220047A1 (en) 2010-11-15 2013-08-29 Nsk Ltd Ball Screw
JP5741536B2 (ja) * 2011-09-15 2015-07-01 日本精工株式会社 ボールねじ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2149859A5 (enExample) * 1971-08-16 1973-03-30 Skf Ind Trading & Dev
US3815435A (en) * 1972-11-24 1974-06-11 Warner Electric Brake & Clutch Ball screw mechanism with improved ball guide
FR2328138A1 (fr) * 1975-10-14 1977-05-13 Verdun Georges Dispositif de transformation d'un mouvement de rotation en un mouvement de translation a cheminement ferme de billes
JP2006242252A (ja) * 2005-03-02 2006-09-14 Nsk Ltd ボールねじ機構

Also Published As

Publication number Publication date
JP2008267523A (ja) 2008-11-06

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