WO2005026581A1 - ローラねじ - Google Patents
ローラねじ Download PDFInfo
- Publication number
- WO2005026581A1 WO2005026581A1 PCT/JP2004/012748 JP2004012748W WO2005026581A1 WO 2005026581 A1 WO2005026581 A1 WO 2005026581A1 JP 2004012748 W JP2004012748 W JP 2004012748W WO 2005026581 A1 WO2005026581 A1 WO 2005026581A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roller
- load
- path
- roller rolling
- rolling groove
- Prior art date
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
- F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
-
- 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
-
- 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
- F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
- F16H2025/2271—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers with means for guiding circulating rollers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19744—Rolling element engaging thread
- Y10T74/19749—Recirculating rolling elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19744—Rolling element engaging thread
- Y10T74/19749—Recirculating rolling elements
- Y10T74/19753—Plural independent recirculating element paths
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19744—Rolling element engaging thread
- Y10T74/19749—Recirculating rolling elements
- Y10T74/19767—Return path geometry
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19744—Rolling element engaging thread
- Y10T74/19749—Recirculating rolling elements
- Y10T74/19767—Return path geometry
- Y10T74/19772—Rolling element deflector
Definitions
- the ball can roll in all directions. Rollers have a limited direction in which they roll. For this reason, the structure of the circulation path of the roller screw tends to be complicated.
- the invention of claim 1 provides a screw shaft (1) having a spiral roller rolling groove (la) formed on an outer peripheral surface, and the roller rolling on an inner peripheral surface.
- the roller return path (15) in the central portion (14) is located at a center (E) of the central portion (14) in the axial direction. — Characterized by an equal angle twist from E) toward said pair of ends (15, 15).
- the invention of claim 7 provides a screw shaft (1) in which a spiral roller rolling groove (la) is formed on an outer peripheral surface, and a spiral that opposes the roller rolling groove (la) on an inner peripheral surface.
- Member (2) having a load roller rolling groove (2a) formed therein, the roller rolling groove (la) of the screw shaft (1) and the load roller rolling groove of the nut member (2).
- a roller return path (5) connected to the load roller rolling path (3) is formed inside so that a roller (6) rolling on the load roller rolling path (3) between the roller return path (3) and the roller return path (5) can circulate.
- FIG. 1 is a side view showing a roller screw according to an embodiment of the present invention.
- FIG. 11 is a diagram showing a divided body of a return pipe.
- FIG. 4 shows this relationship in detail. Since the preload is applied by inserting the oversized roller 6, the rollers in the roller group are elastically deformed by ⁇ 1 and the rollers in the roller j3 group are ⁇ 2 in the initial state. The load generated at that time is ⁇ in the preload load.
- the axial load P acts on it and generates an axial displacement ⁇
- the elastic The displacement increases along the diagram, and in the roller group ⁇ , the displacement decreases along the elastic displacement diagram.
- the load acting on the roller group becomes ⁇ + ⁇
- the load acting on the roller group becomes A-C. Therefore, the applied load P is divided into B and C, and the direction of the load is applied to the roller group and the roller group. Even if it changes to this state, the internal load must be balanced.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602004031348T DE602004031348D1 (de) | 2003-09-10 | 2004-09-02 | Rollspindel |
JP2005513850A JP4722703B2 (ja) | 2003-09-10 | 2004-09-02 | ローラねじ |
CA002536373A CA2536373A1 (en) | 2003-09-10 | 2004-09-02 | Roller screw |
EP04772697A EP1666768B1 (en) | 2003-09-10 | 2004-09-02 | Roller screw |
US10/571,112 US7832300B2 (en) | 2003-09-10 | 2004-09-02 | Roller screw |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003319033 | 2003-09-10 | ||
JP2003-319033 | 2003-09-10 | ||
JP2003-319032 | 2003-09-10 | ||
JP2003319032 | 2003-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005026581A1 true WO2005026581A1 (ja) | 2005-03-24 |
Family
ID=34315654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/012748 WO2005026581A1 (ja) | 2003-09-10 | 2004-09-02 | ローラねじ |
Country Status (8)
Country | Link |
---|---|
US (1) | US7832300B2 (ja) |
EP (2) | EP1666768B1 (ja) |
JP (2) | JP4722703B2 (ja) |
KR (1) | KR20060126442A (ja) |
CA (1) | CA2536373A1 (ja) |
DE (1) | DE602004031348D1 (ja) |
TW (1) | TWI337233B (ja) |
WO (1) | WO2005026581A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2007126025A1 (ja) * | 2006-04-28 | 2009-09-10 | Thk株式会社 | ローラねじ及びローラねじの無負荷ローラ戻し通路の設計方法 |
JP2012087886A (ja) * | 2010-10-20 | 2012-05-10 | Shangyin Sci & Technol Co Ltd | ローラーねじ |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070137347A1 (en) * | 2003-10-20 | 2007-06-21 | Thk Co., Ltd. | Roller screw |
US20090071272A1 (en) * | 2007-09-18 | 2009-03-19 | Hiwin Technologies Corp. | Ball screw device having circulating device |
TW200928151A (en) * | 2007-12-20 | 2009-07-01 | Hiwin Tech Corp | Roller screw with a circulating structure |
US20120090419A1 (en) * | 2008-08-05 | 2012-04-19 | Chang-Hsin Kuo | Multi-cycle ball screw |
JP5252279B2 (ja) * | 2008-08-21 | 2013-07-31 | Smc株式会社 | ボールねじ機構 |
TWI338094B (en) * | 2008-08-29 | 2011-03-01 | Hiwin Tech Corp | Ball screw module and circulating device therein |
TWI385325B (zh) * | 2008-11-14 | 2013-02-11 | Hiwin Tech Corp | 滾珠螺桿 |
US20100180707A1 (en) * | 2009-01-19 | 2010-07-22 | Wen-Chia Wu | Rolling Element Screw |
US8100024B2 (en) * | 2009-08-28 | 2012-01-24 | Hiwin Technologies Corp. | External circulation type ball screw with a noise-reduction structure |
CN102454757B (zh) * | 2010-10-18 | 2013-09-04 | 上银科技股份有限公司 | 滚柱螺杆 |
DE112018004609T5 (de) * | 2017-10-19 | 2020-08-13 | Thk Co., Ltd. | Vorspannungsdetektierbare Schraubenvorrichtung |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1162962A (ja) * | 1997-08-27 | 1999-03-05 | Thk Kk | 転がり案内装置用のスペーサ部材およびこれを用いた転がり案内装置 |
JPH11210858A (ja) * | 1998-01-19 | 1999-08-03 | Koyo Mach Ind Co Ltd | 循環式ねじ装置 |
JP2001263445A (ja) * | 2000-03-21 | 2001-09-26 | Thk Co Ltd | ローラ用リテーナ及びこれを用いた直動案内装置並びにローラねじ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1290245A (fr) * | 1961-02-28 | 1962-04-13 | Perfectionnements aux assemblages vis-écrou | |
US3192791A (en) * | 1962-06-07 | 1965-07-06 | Textron Inc | Antifriction screw and nut assembly |
US4750378A (en) * | 1986-11-13 | 1988-06-14 | Sheppard Peter H | Ball screw mechanism |
JPH0320753U (ja) * | 1989-07-11 | 1991-02-28 | ||
JP2000161459A (ja) * | 1998-11-20 | 2000-06-16 | Hiroshi Teramachi | クロスローラねじ装置 |
JP4475442B2 (ja) * | 2000-02-28 | 2010-06-09 | Thk株式会社 | ローラねじおよびローラねじのローラ配列方法 |
JP2003074663A (ja) * | 2001-09-05 | 2003-03-12 | Nsk Ltd | ボールねじ |
US20030172759A1 (en) * | 2002-02-25 | 2003-09-18 | Nsk Ltd. | Ball screw |
-
2004
- 2004-09-02 US US10/571,112 patent/US7832300B2/en active Active
- 2004-09-02 EP EP04772697A patent/EP1666768B1/en not_active Expired - Lifetime
- 2004-09-02 KR KR1020067004800A patent/KR20060126442A/ko not_active Application Discontinuation
- 2004-09-02 WO PCT/JP2004/012748 patent/WO2005026581A1/ja active Application Filing
- 2004-09-02 DE DE602004031348T patent/DE602004031348D1/de not_active Expired - Lifetime
- 2004-09-02 CA CA002536373A patent/CA2536373A1/en not_active Abandoned
- 2004-09-02 EP EP10159391A patent/EP2206935B1/en not_active Expired - Lifetime
- 2004-09-02 JP JP2005513850A patent/JP4722703B2/ja not_active Expired - Lifetime
- 2004-09-10 TW TW093127441A patent/TWI337233B/zh active
-
2010
- 2010-12-08 JP JP2010273421A patent/JP4980460B2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1162962A (ja) * | 1997-08-27 | 1999-03-05 | Thk Kk | 転がり案内装置用のスペーサ部材およびこれを用いた転がり案内装置 |
JPH11210858A (ja) * | 1998-01-19 | 1999-08-03 | Koyo Mach Ind Co Ltd | 循環式ねじ装置 |
JP2001263445A (ja) * | 2000-03-21 | 2001-09-26 | Thk Co Ltd | ローラ用リテーナ及びこれを用いた直動案内装置並びにローラねじ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2007126025A1 (ja) * | 2006-04-28 | 2009-09-10 | Thk株式会社 | ローラねじ及びローラねじの無負荷ローラ戻し通路の設計方法 |
JP4587408B2 (ja) * | 2006-04-28 | 2010-11-24 | Thk株式会社 | ローラねじ及びローラねじの無負荷ローラ戻し通路の設計方法 |
CN101432549B (zh) * | 2006-04-28 | 2011-05-25 | Thk株式会社 | 滚柱丝杠及滚柱丝杠的无负载滚柱返回通路的设计方法 |
US8336414B2 (en) | 2006-04-28 | 2012-12-25 | Thk Co., Ltd. | Roller screw and method of designing unloaded roller return path thereof |
JP2012087886A (ja) * | 2010-10-20 | 2012-05-10 | Shangyin Sci & Technol Co Ltd | ローラーねじ |
Also Published As
Publication number | Publication date |
---|---|
EP1666768A1 (en) | 2006-06-07 |
US20060248973A1 (en) | 2006-11-09 |
EP1666768B1 (en) | 2011-02-09 |
TWI337233B (en) | 2011-02-11 |
JP4980460B2 (ja) | 2012-07-18 |
EP2206935A3 (en) | 2010-11-03 |
CA2536373A1 (en) | 2005-03-24 |
TW200521356A (en) | 2005-07-01 |
US7832300B2 (en) | 2010-11-16 |
JP2011080602A (ja) | 2011-04-21 |
KR20060126442A (ko) | 2006-12-07 |
JPWO2005026581A1 (ja) | 2007-11-08 |
EP2206935A2 (en) | 2010-07-14 |
DE602004031348D1 (de) | 2011-03-24 |
EP1666768A4 (en) | 2010-01-13 |
EP2206935B1 (en) | 2011-12-28 |
JP4722703B2 (ja) | 2011-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4980460B2 (ja) | ローラねじ | |
EP1900970B1 (en) | Screw device and method of manufacturing the same | |
US5373755A (en) | Skirt deflector for a ball nut and screw device | |
JP5236462B2 (ja) | ねじ装置 | |
TWI503497B (zh) | 滾動體螺桿裝置 | |
KR101232398B1 (ko) | 롤러 나사 | |
JP4712894B2 (ja) | ローラねじ | |
JP4934592B2 (ja) | 転動体ねじ装置及びその組立方法 | |
US20070028712A1 (en) | Roller screw | |
WO2010013706A1 (ja) | ねじ装置 | |
EP1916449B1 (en) | Roller screw and method of producing the same | |
US5535638A (en) | Antifriction screw drive | |
US20070137347A1 (en) | Roller screw | |
JP2005155720A (ja) | ねじ装置及びその製造方法 | |
JP5226671B2 (ja) | ローラねじ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200480026051.6 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BW BY BZ CA CH CN CO CR CU CZ DK DM DZ EC EE EG ES FI GB GD GE GM HR HU ID IL IN IS JP KE KG KP KZ LC LK LR LS LT LU LV MA MD MK MN MW MX MZ NA NI NO NZ PG PH PL PT RO RU SC SD SE SG SK SY TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SZ TZ UG ZM ZW AM AZ BY KG MD RU TJ TM AT BE BG CH CY DE DK EE ES FI FR GB GR HU IE IT MC NL PL PT RO SE SI SK TR BF CF CG CI CM GA GN GQ GW ML MR SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2005513850 Country of ref document: JP |
|
ENP | Entry into the national phase |
Ref document number: 2536373 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006248973 Country of ref document: US Ref document number: 10571112 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020067004800 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004772697 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2004772697 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 10571112 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1020067004800 Country of ref document: KR |