TW200702574A - Roller screw - Google Patents

Roller screw

Info

Publication number
TW200702574A
TW200702574A TW095109747A TW95109747A TW200702574A TW 200702574 A TW200702574 A TW 200702574A TW 095109747 A TW095109747 A TW 095109747A TW 95109747 A TW95109747 A TW 95109747A TW 200702574 A TW200702574 A TW 200702574A
Authority
TW
Taiwan
Prior art keywords
roller
loaded
screw
rolling groove
path
Prior art date
Application number
TW095109747A
Other languages
Chinese (zh)
Other versions
TWI388745B (en
Inventor
Hidekazu Michioka
Hiroshi Niwa
Akimasa Yoshida
Original Assignee
Thk Co 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 Thk Co Ltd filed Critical Thk Co Ltd
Publication of TW200702574A publication Critical patent/TW200702574A/en
Application granted granted Critical
Publication of TWI388745B publication Critical patent/TWI388745B/en

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The present invention relates to a roller screw capable of circulating rollers even if the non-roller-loaded return path following the roller-loaded rolling path is not twisted. The roller screw of the present invention comprises: a screw 5 having a spiral roller rolling groove 5a formed on the outer surface; a nut 6 having a spiral roller rolling groove 6a, opposite to the roller rolling groove 5a of the screw 5, formed on the inner surface; circulating members 12, 13 having one end connected to a roller-loaded rolling path 9 between the roller rolling groove 5a of the screw 5 and the roller rolling groove 6a of the nut 6, and the other end connected to a non-roller-loaded return path 10; and a plurality of rollers 7, arranged in the roller-loaded rolling path 9 and the non-roller-loaded return path 10. When viewed from the front side of the nut 6, a pair of turning paths 16 at both ends of the non-roller-loaded return path 10 extend linearly, and said pair of turning paths 16 substantially bend at an angle of 90 DEG.
TW95109747A 2005-03-23 2006-03-22 Roller screw TWI388745B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005083131 2005-03-23

Publications (2)

Publication Number Publication Date
TW200702574A true TW200702574A (en) 2007-01-16
TWI388745B TWI388745B (en) 2013-03-11

Family

ID=37023658

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95109747A TWI388745B (en) 2005-03-23 2006-03-22 Roller screw

Country Status (3)

Country Link
JP (1) JP4945438B2 (en)
TW (1) TWI388745B (en)
WO (1) WO2006100997A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006028124A1 (en) * 2004-09-08 2006-03-16 Thk Co., Ltd. Roller screw
JP5042347B2 (en) * 2010-09-06 2012-10-03 Ｔｈｋ株式会社 Rolling element screw device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2230238A5 (en) * 1973-05-16 1974-12-13 Tech Integrale
JP4475442B2 (en) * 2000-02-28 2010-06-09 Ｔｈｋ株式会社 Roller screw and roller arrangement method of roller screw

Also Published As

Publication number Publication date
WO2006100997A1 (en) 2006-09-28
TWI388745B (en) 2013-03-11
JPWO2006100997A1 (en) 2008-09-04
JP4945438B2 (en) 2012-06-06

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