JP5388857B2 - 転動体ねじ装置 - Google Patents
転動体ねじ装置 Download PDFInfo
- Publication number
- JP5388857B2 JP5388857B2 JP2009538987A JP2009538987A JP5388857B2 JP 5388857 B2 JP5388857 B2 JP 5388857B2 JP 2009538987 A JP2009538987 A JP 2009538987A JP 2009538987 A JP2009538987 A JP 2009538987A JP 5388857 B2 JP5388857 B2 JP 5388857B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling element
- rolling
- screw device
- metal
- return piece
- 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
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Images
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
- F16H25/2219—Axially mounted end-deflectors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Rolling Contact Bearings (AREA)
Description
Claims (7)
- 外周面に螺旋状の転動体転走面を有するねじ軸と、
内周面に前記ねじ軸の転動体転走面と相対向する螺旋状の負荷転走面を有するとともに、無負荷転動体通路を有するナット部材と、
前記ナット部材の両端に取り付けられ、前記転動体転走面と前記負荷転走面とが協働して形成する負荷転動体通路と、前記無負荷転動体通路と、を連通連結して無限軌道を形成する方向転換路を有する一対のリターンピースと、
前記無限軌道内を転走する複数の転動体と、
を備える転動体ねじ装置において、
前記方向転換路は、
無限軌道の負荷域である前記負荷転動体通路を転走する前記転動体を、無限軌道の無負荷域である循環経路へと掬い上げる掬上部と、
前記掬上部によって掬い上げられた前記転動体が直接接触して転走する前記循環経路となる経路部と、
を有して形成され、
前記リターンピースは、前記掬上部を含む金属材料から成る金属パーツと、前記経路部を含む非金属材料から成る非金属パーツとを有するとともに、これら金属パーツと非金属パーツとが組み合わされることによって構成され、
前記掬上部は舟底形状にて形成されており、当該舟底形状の形成領域近傍が前記金属パーツにて構成され、
前記方向転換路は、前記掬上部の形成される部位の対向箇所に、前記複数の転動体間に配置されたスペーサ部材を整列循環させるためのリップ部を備えており、
前記掬上部と前記リップ部の形成領域近傍が前記金属パーツにて構成されていることを特徴とする転動体ねじ装置。 - 請求項1に記載の転動体ねじ装置において、
前記リターンピースは、一端側を前記ナット部材の端部に形成された凹部に嵌め込まれるとともに、他端側をカバープレートにて押圧されることにより、前記ナット部材に対して位置決めされることを特徴とする転動体ねじ装置。 - 請求項2に記載の転動体ねじ装置において、
前記カバープレートから押圧を受ける前記リターンピースの他端側の押圧面には、前記カバープレートからの押圧力を前記押圧面の全域に及ぼすための複数の突起部が形成されていることを特徴とする転動体ねじ装置。 - 請求項1〜3のいずれか1項に記載の転動体ねじ装置において、
前記金属パーツと前記非金属パーツとは、一方に形成されたボスと、他方に形成されたボス穴とが嵌め合わされることによって前記リターンピースを形成し、さらに、
前記金属パーツと前記非金属パーツとを組み合わせたときに貫通形成されるボルト孔を、前記金属パーツと前記非金属パーツのそれぞれに形成し、前記ボルト孔を用いることによって前記リターンピースが前記ナット部材に螺合固定されることを特徴とする転動体ねじ装置。 - 請求項1〜4のいずれか1項に記載の転動体ねじ装置において、
前記金属パーツ又は前記非金属パーツは、さらに複数の分割パーツが組み合わされることにより構成されることを特徴とする転動体ねじ装置。 - 請求項1〜5のいずれか1項に記載の転動体ねじ装置において、
前記金属パーツは、金属粉末射出成型法(MIM)にて製造されていることを特徴とする転動体ねじ装置。 - 請求項1〜6のいずれか1項に記載の転動体ねじ装置において、
前記非金属パーツを構成する非金属材料は、樹脂材料を含む易成形性材料であることを特徴とする転動体ねじ装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009538987A JP5388857B2 (ja) | 2007-10-31 | 2008-10-07 | 転動体ねじ装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007284502 | 2007-10-31 | ||
JP2007284502 | 2007-10-31 | ||
PCT/JP2008/068200 WO2009057424A1 (ja) | 2007-10-31 | 2008-10-07 | 転動体ねじ装置 |
JP2009538987A JP5388857B2 (ja) | 2007-10-31 | 2008-10-07 | 転動体ねじ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2009057424A1 JPWO2009057424A1 (ja) | 2011-03-10 |
JP5388857B2 true JP5388857B2 (ja) | 2014-01-15 |
Family
ID=40590819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009538987A Expired - Fee Related JP5388857B2 (ja) | 2007-10-31 | 2008-10-07 | 転動体ねじ装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8261627B2 (ja) |
JP (1) | JP5388857B2 (ja) |
CN (1) | CN101842612B (ja) |
DE (1) | DE112008002867B4 (ja) |
TW (1) | TWI431210B (ja) |
WO (1) | WO2009057424A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210156074A (ko) * | 2020-06-17 | 2021-12-24 | (주)센트랄모텍 | 순환형 볼 스크류 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5600468B2 (ja) * | 2009-05-29 | 2014-10-01 | Thk株式会社 | 運動案内装置及びねじ装置 |
FR2970400B1 (fr) * | 2011-01-19 | 2013-02-22 | Eurotab | Procede de fabrication de compacts de lait |
US8813596B2 (en) * | 2011-01-29 | 2014-08-26 | Hiwin Technologies Corporation | Ball screw with a circulating assembly |
US8893574B2 (en) * | 2011-09-02 | 2014-11-25 | Hiwin Technologies Corp. | Ball screw with sectional circulating assemblies |
JP6187807B2 (ja) * | 2013-03-12 | 2017-08-30 | 株式会社ジェイテクト | ボールねじ装置 |
US20140352472A1 (en) * | 2013-05-28 | 2014-12-04 | Universal Transmission Motion Corp. | End cap-type ball screw assembly and circulator |
JP6151161B2 (ja) * | 2013-11-29 | 2017-06-21 | 株式会社ショーワ | ボールねじおよびパワーステアリング装置 |
JP2015161315A (ja) * | 2014-02-26 | 2015-09-07 | 株式会社ショーワ | ボールねじおよび操舵装置 |
US10138985B2 (en) * | 2014-10-01 | 2018-11-27 | Kuroda Precision Industries Ltd. | Deflector for ball screw mechanism and ball screw mechanism |
US10066716B2 (en) | 2015-01-28 | 2018-09-04 | Thk Co., Ltd. | Screw device |
US10612634B2 (en) * | 2016-03-18 | 2020-04-07 | Hiwin Technologies Corp. | Dustproof device for ball screw |
DE102016223610A1 (de) * | 2016-11-29 | 2018-05-30 | Schaeffler Technologies AG & Co. KG | Gewindemutter für einen Kugelgewindetrieb |
JP6381703B2 (ja) * | 2017-02-23 | 2018-08-29 | Thk株式会社 | ねじ装置 |
JP6560729B2 (ja) | 2017-10-31 | 2019-08-14 | Thk株式会社 | ねじナット又はスプラインナット |
DE112017007853B4 (de) * | 2017-12-25 | 2023-05-04 | Kuroda Precision Industries Ltd. | Kugelgewindespindel |
JP6556819B2 (ja) | 2017-12-25 | 2019-08-07 | 黒田精工株式会社 | ボールねじ |
CN218935182U (zh) * | 2022-10-18 | 2023-04-28 | 李权祐 | 滚珠螺帽组及其端部组件 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004340220A (ja) * | 2003-05-14 | 2004-12-02 | Nsk Ltd | ボールねじ装置 |
JP2005133892A (ja) * | 2003-10-31 | 2005-05-26 | Shangyin Sci & Technol Co Ltd | ボールねじ用回流装置 |
WO2006046636A1 (ja) * | 2004-10-29 | 2006-05-04 | Thk Co., Ltd. | ねじ装置 |
JP2007263192A (ja) * | 2006-03-28 | 2007-10-11 | Ntn Corp | 駒式ボールねじ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4964672U (ja) * | 1972-09-22 | 1974-06-06 | ||
JPS5012478B2 (ja) | 1972-10-25 | 1975-05-12 | ||
US4148226A (en) | 1977-09-22 | 1979-04-10 | General Motors Corporation | Ball nut and screw assembly |
US5193409A (en) * | 1992-03-31 | 1993-03-16 | Thomson Saginaw Ball Screw Company, Inc. | Multiple circuit internal ball nut return assembly with radial drop-in insert for ball screw devices |
US5555770A (en) * | 1994-10-12 | 1996-09-17 | Thomson Saginaw Ball Screw Company, Inc. | Ball screw and nut system |
JP3964007B2 (ja) | 1997-07-31 | 2007-08-22 | Thk株式会社 | 側蓋式ボールねじ装置 |
DE10011383B4 (de) * | 2000-03-09 | 2005-08-25 | Rexroth Star Gmbh | Wälzkörpergewindetrieb |
WO2003021133A1 (en) * | 2001-09-04 | 2003-03-13 | Thk Co., Ltd. | Ball screw device |
JP2003294105A (ja) * | 2002-03-29 | 2003-10-15 | Nsk Ltd | ねじ送り装置 |
TWI221512B (en) * | 2002-04-15 | 2004-10-01 | Smc Corp | Ball screw mechanism |
-
2008
- 2008-10-07 JP JP2009538987A patent/JP5388857B2/ja not_active Expired - Fee Related
- 2008-10-07 US US12/738,810 patent/US8261627B2/en not_active Expired - Fee Related
- 2008-10-07 DE DE112008002867.2T patent/DE112008002867B4/de not_active Expired - Fee Related
- 2008-10-07 WO PCT/JP2008/068200 patent/WO2009057424A1/ja active Application Filing
- 2008-10-07 CN CN2008801139705A patent/CN101842612B/zh not_active Expired - Fee Related
- 2008-10-13 TW TW097139213A patent/TWI431210B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004340220A (ja) * | 2003-05-14 | 2004-12-02 | Nsk Ltd | ボールねじ装置 |
JP2005133892A (ja) * | 2003-10-31 | 2005-05-26 | Shangyin Sci & Technol Co Ltd | ボールねじ用回流装置 |
WO2006046636A1 (ja) * | 2004-10-29 | 2006-05-04 | Thk Co., Ltd. | ねじ装置 |
JP2007263192A (ja) * | 2006-03-28 | 2007-10-11 | Ntn Corp | 駒式ボールねじ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210156074A (ko) * | 2020-06-17 | 2021-12-24 | (주)센트랄모텍 | 순환형 볼 스크류 |
KR102374992B1 (ko) * | 2020-06-17 | 2022-03-16 | (주)센트랄모텍 | 순환형 볼 스크류 |
Also Published As
Publication number | Publication date |
---|---|
TWI431210B (zh) | 2014-03-21 |
CN101842612B (zh) | 2013-10-02 |
TW200930920A (en) | 2009-07-16 |
WO2009057424A1 (ja) | 2009-05-07 |
US20100236345A1 (en) | 2010-09-23 |
DE112008002867B4 (de) | 2020-01-30 |
DE112008002867T5 (de) | 2012-10-31 |
US8261627B2 (en) | 2012-09-11 |
JPWO2009057424A1 (ja) | 2011-03-10 |
CN101842612A (zh) | 2010-09-22 |
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