JPWO2012074066A1 - 運動案内装置 - Google Patents
運動案内装置 Download PDFInfo
- Publication number
- JPWO2012074066A1 JPWO2012074066A1 JP2012546942A JP2012546942A JPWO2012074066A1 JP WO2012074066 A1 JPWO2012074066 A1 JP WO2012074066A1 JP 2012546942 A JP2012546942 A JP 2012546942A JP 2012546942 A JP2012546942 A JP 2012546942A JP WO2012074066 A1 JPWO2012074066 A1 JP WO2012074066A1
- Authority
- JP
- Japan
- Prior art keywords
- guide
- curved surface
- path
- rolling element
- ball
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 160
- 125000006850 spacer group Chemical group 0.000 claims abstract description 88
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims description 129
- 150000001875 compounds Chemical class 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 238000013459 approach Methods 0.000 description 27
- 238000002360 preparation method Methods 0.000 description 21
- 238000006073 displacement reaction Methods 0.000 description 14
- 238000007789 sealing Methods 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0611—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the return passages, i.e. the passages where the rolling elements do not carry load
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0635—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
- F16C29/0638—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls
- F16C29/0642—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls
- F16C29/0647—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls with load directions in X-arrangement
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0609—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the ends of the bearing body or carriage where the rolling elements change direction, e.g. end caps
-
- 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
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
- F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
-
- 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
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/3825—Ball cages formed as a flexible belt, e.g. spacers connected by a thin film
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
Claims (11)
- 長手方向に沿って転動体が転走する軌道レール(1)と、多数の転動体(5)を介して前記軌道レール(1)に組み付けられると共に当該転動体(5)の無限循環路を有し、当該軌道レール(1)に沿って移動自在な移動ブロック(2)と、前記移動ブロック(2)の無限循環路内で互いに隣接する転動体(5)の間に介装されたスペーサ(6)と、を備え、
前記移動ブロック(2)は、前記転動体(5)が軌道レール(1)との間で荷重を負荷しながら転走する負荷転動体通路(31)及びこの負荷転動体通路(31)と平行な転動体戻し通路(32)を有するブロック本体(3)と、前記負荷転動体通路(31)と転動体戻し通路(32)とを繋いで前記無限循環路を形成する方向転換路(44)を有すると共にこのブロック本体(3)に固定される一対の転換路形成体(4,104,108)と備え、
前記方向転換路(44)は、前記転動体(5)の転走方向を連続的に変化させる転換部(44a)と、前記ブロック本体(3)の転動体戻し通路(32)から延伸されて当該転動体戻し通路(32)と前記転換部(44a)とを連結し、前記転動体(5)は直線状に案内する一方、前記スペーサ(6)の曲線状の移動を許容する転換準備部(44b)と、を備えていることを特徴とする運動案内装置。 - 前記無限循環路を含む平面で前記方向転換路(44)を切断したときに把握される当該方向転換路(44)の内周側案内曲面(71)は曲率の異なる複数の曲面からなる複合曲面であり、前記転換部(44a)の始点(S’)は前記内周側案内曲面(71)の始点(Q)よりも前記ブロック本体(3)の端部方向に設けられていることを特徴とする請求項1記載の運動案内装置。
- 前記方向転換路(44)を構成する転換部(44a)の外周曲面は単一曲率の円弧状曲面に形成されていることを特徴とする請求項2記載の運動案内装置。
- 前記内周側案内曲面(71)は曲率の異なる3種類の円弧の複合曲面であり、中央に位置する曲面は前記転換部(44a)の外周曲面と同心であることを特徴とする請求項3記載の運動案内装置。
- 前記内周側案内曲面(71)を構成する3種類の曲面のうち、中央に位置する曲面の曲率半径が最も小さく、転動体戻し通路(32)側に位置する曲面の曲率半径が最大であることを特徴とする請求項4記載の運動案内装置。
- 前記内周側案内曲面(71)は楕円形に形成されていることを特徴としている請求項2記載の運動案内装置。
- 前記スペーサ(160)はベルト部材(161)によって一列に結合されて連結体ベルト(106)を構成し、
前記移動ブロック(2)の無限循環路の内側壁には前記連結体ベルト(106)のベルト部材(161)を転動体(105)の循環方向に沿って案内する案内溝(146,185,191)が設けられ、
前記無限循環路を含む平面で前記方向転換路(44)を切断したときに把握される前記案内溝(146,185,191)の内周側ベルト案内壁(138)は曲率の異なる複数の曲面からなる複合曲面であり、前記転換部(145a)の始点(S)は前記内周側ベルト案内壁(138)の始点(Q’)よりも前記ブロック本体(3)の端部方向に設けられていることを特徴とする請求項1記載の運動案内装置。 - 前記方向転換路(145)は、前記負荷転動体通路(31)に連続する進入領域と、前記転動体戻し通路(32)に連続する誘導領域と、この誘導領域と前記進入領域との間に設けられた案内領域とからなり、前記案内領域における前記内周側ベルト案内壁(138)の曲面は前記転換部(145a)の外周曲面と同心であることを特徴とする請求項7に記載の運動案内装置。
- 前記内周側ベルト案内壁(138)を構成する曲面のうち、前記方向転換路(145)の案内領域における曲面の曲率半径が最も小さいことを特徴とする請求項8に記載の運動案内装置。
- 前記方向転換路(145)の案内領域における内周側案内曲面(137)は、前記転換部(145a)の外周曲面と同心であることを特徴とする請求項8に記載の運動案内装置。
- 前記内周側案内曲面(137)を構成する曲面のうち、前記案内領域における曲面の曲率半径が最も小さいことを特徴とする請求項10に記載の運動案内装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012546942A JP5596176B2 (ja) | 2010-12-02 | 2011-12-01 | 運動案内装置 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010269258 | 2010-12-02 | ||
JP2010269258 | 2010-12-02 | ||
JP2010292513 | 2010-12-28 | ||
JP2010292513 | 2010-12-28 | ||
JP2012546942A JP5596176B2 (ja) | 2010-12-02 | 2011-12-01 | 運動案内装置 |
PCT/JP2011/077826 WO2012074066A1 (ja) | 2010-12-02 | 2011-12-01 | 運動案内装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012074066A1 true JPWO2012074066A1 (ja) | 2014-05-19 |
JP5596176B2 JP5596176B2 (ja) | 2014-09-24 |
Family
ID=46171991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012546942A Active JP5596176B2 (ja) | 2010-12-02 | 2011-12-01 | 運動案内装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8858083B2 (ja) |
JP (1) | JP5596176B2 (ja) |
CN (1) | CN103228937B (ja) |
DE (1) | DE112011104000B4 (ja) |
TW (1) | TWI570332B (ja) |
WO (1) | WO2012074066A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI500858B (zh) * | 2012-12-11 | 2015-09-21 | Chieftek Prec Co Ltd | 線性滑軌之滾動體保持鏈導引溝槽構造 |
US10638849B2 (en) | 2016-10-28 | 2020-05-05 | Steelcase Inc. | Convertible body support structure |
JP1586244S (ja) * | 2017-05-09 | 2020-09-14 | ||
JP7299052B2 (ja) * | 2019-04-08 | 2023-06-27 | Thk株式会社 | 運動案内装置 |
JP2022150833A (ja) * | 2021-03-26 | 2022-10-07 | 日本精工株式会社 | リニアガイド |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2228392A5 (ja) * | 1973-05-02 | 1974-11-29 | Demay Gerard | |
JPS624922A (ja) | 1985-07-01 | 1987-01-10 | Nippon Thompson Co Ltd | 直線運動用転がり軸受の方向転換路 |
JP3950511B2 (ja) * | 1997-04-04 | 2007-08-01 | 日本トムソン株式会社 | 直動転がり案内ユニット |
JP4042257B2 (ja) * | 1999-02-19 | 2008-02-06 | 日本精工株式会社 | 直動案内軸受装置 |
US6435720B1 (en) | 1999-01-22 | 2002-08-20 | Nsk Ltd. | Linear guide device |
CN2375410Y (zh) * | 1999-05-31 | 2000-04-26 | 陈锡宽 | 线性滑轨 |
JP2001182745A (ja) | 1999-12-27 | 2001-07-06 | Nsk Ltd | 直動案内軸受 |
JP4051845B2 (ja) * | 2000-01-13 | 2008-02-27 | 日本精工株式会社 | 直動案内軸受装置 |
JP2004108474A (ja) * | 2002-09-18 | 2004-04-08 | Nsk Ltd | 直動案内装置 |
DE10248236A1 (de) * | 2002-10-16 | 2004-04-29 | Ina-Schaeffler Kg | Linearführungseinheit |
JP2004204901A (ja) * | 2002-12-24 | 2004-07-22 | Nikken Kosakusho Works Ltd | 直動式案内装置 |
US7632017B2 (en) | 2004-03-16 | 2009-12-15 | Nsk Ltd. | Linear guide |
JP4285286B2 (ja) * | 2004-03-16 | 2009-06-24 | 日本精工株式会社 | 直動案内軸受装置 |
JP4561568B2 (ja) * | 2005-09-29 | 2010-10-13 | 日本精工株式会社 | 直動案内装置用転動体収容ベルトおよび直動案内装置 |
US7798718B2 (en) | 2005-09-29 | 2010-09-21 | Nsk Ltd. | Rolling element accommodating belt for linear guide apparatus and linear guide apparatus |
-
2011
- 2011-12-01 CN CN201180057387.9A patent/CN103228937B/zh active Active
- 2011-12-01 US US13/885,932 patent/US8858083B2/en active Active
- 2011-12-01 WO PCT/JP2011/077826 patent/WO2012074066A1/ja active Application Filing
- 2011-12-01 DE DE112011104000.8T patent/DE112011104000B4/de active Active
- 2011-12-01 JP JP2012546942A patent/JP5596176B2/ja active Active
- 2011-12-02 TW TW100144410A patent/TWI570332B/zh active
Also Published As
Publication number | Publication date |
---|---|
CN103228937B (zh) | 2016-01-20 |
US20130236133A1 (en) | 2013-09-12 |
TWI570332B (zh) | 2017-02-11 |
TW201237286A (en) | 2012-09-16 |
WO2012074066A1 (ja) | 2012-06-07 |
DE112011104000B4 (de) | 2023-03-16 |
US8858083B2 (en) | 2014-10-14 |
DE112011104000T5 (de) | 2013-08-29 |
CN103228937A (zh) | 2013-07-31 |
JP5596176B2 (ja) | 2014-09-24 |
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