JP6373246B2 - 運動案内装置 - Google Patents
運動案内装置 Download PDFInfo
- Publication number
- JP6373246B2 JP6373246B2 JP2015244324A JP2015244324A JP6373246B2 JP 6373246 B2 JP6373246 B2 JP 6373246B2 JP 2015244324 A JP2015244324 A JP 2015244324A JP 2015244324 A JP2015244324 A JP 2015244324A JP 6373246 B2 JP6373246 B2 JP 6373246B2
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- JP
- Japan
- Prior art keywords
- holding belt
- circulation path
- rolling element
- track rail
- rolling
- 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.)
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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
- 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
-
- 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
- F16C29/0614—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only
- F16C29/0621—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load in essentially two directions, e.g. by multiple points of contact or two rows of rolling elements
- F16C29/0623—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load in essentially two directions, e.g. by multiple points of contact or two rows of rolling elements with balls
-
- 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
- F16C29/0645—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 O-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
- F16C29/0633—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
- F16C29/0652—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 at least partly defined by separate parts, e.g. covers attached to the legs of the main body of the U-shaped carriage
- F16C29/0666—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 at least partly defined by separate parts, e.g. covers attached to the legs of the main body of the U-shaped carriage 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
- 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
-
- 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
-
- 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
- F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/50—Cages for rollers or needles formed of interconnected members, e.g. chains
- F16C33/506—Cages for rollers or needles formed of interconnected members, e.g. chains formed as a flexible belt
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/44—Hole or pocket sizes
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/70—Diameters; Radii
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Rolling Contact Bearings (AREA)
Description
(X−Y)×Z>(B+C)−A>0
A:無限循環路の経路長 X:ポケット径
B:保持ベルト全長 Y:転動体の直径
C:自由転動体の直径 Z:前記保持ベルトに配列される転動体数
を満たすものである。
(B+C)>A
である。ここで、前記無限循環路6の経路長とは、当該無限循環路内でボール3の中心が描く軌跡の一周分の長さである。また、前記保持ベルト30の全長Bとは、前記末端スペーサ部31aに前記自由ボール3aと接する凹面座33aが形成されている場合には、当該保持ベルトの一端の凹面座33aの最深部から他端の凹面座33aの最深部までの距離である。
δ=(B+C)−A>0
が満足されれば、前記保持ベルト30はその長手方向へ押し縮められた状態で前記無限循環路6に組み込まれ、当該保持ベルト30の両端に位置する一対の末端スペーサ部31aは常に前記自由ボール3aと接触することになる。
δmax=(X−Y)Z
となる。すなわち、このδmaxまでは前記スペーサ部31を押し潰すことなく、前記保持ベルト30の全長をその長手方向へ無理なく押し縮めることができる。
(X−Y)×Z>(B+C)−A>0
を満たすように、無限循環路6の経路長A、保持ベルト30の全長B、自由ボール3aの直径C、保持ベルト30のポケット34の直径X、ボール3の直径Y、前記保持ベルト30に配列されるボール3の総数Zを設定すれば、前記無限循環路6に組み込んだ保持ベルト30の両端部の間に1個の自由ボール3aを挟みつつ、当該保持ベルト30の末端スペーサ部31aを前記自由ボール3aに常に圧接させておくことが可能となる。
Claims (3)
- 軌道レールと、前記軌道レールを転走する多数の転動体と、前記転動体の無限循環路を有すると共に前記軌道レールに沿って運動自在な移動ブロックと、
所定間隔で前記転動体を収容するポケットが形成されると共に、前記無限循環路に組み込まれて前記転動体と共に当該無限循環路内を移動する保持ベルトと、を備え、
前記保持ベルトは、一定間隔で一列に配列された複数のスペーサ部と、これらスペーサ部を連結すると共に可撓性を有する一対の結合ベルト部とから構成され、前記転動体の収容ポケットは互いに隣接する一対のスペーサ部の間に設けられ、
前記保持ベルトは前記無限循環路内において一対の端部が1個の自由転動体を介して互いに対向し、
以下の条件、
(X−Y)×Z>(B+C)−A>0
A:無限循環路の経路長 X:ポケット径
B:保持ベルト全長 Y:転動体の直径
C:自由転動体の直径 Z:前記保持ベルトに配列される転動体数
を満たすことを特徴とする運動案内装置。 - 各スペーサ部は前記転動体が接する凹面座を有しており、前記保持ベルトの端部に位置する末端スペーサは前記自由転動体が接する凹面座を有していることを特長とする請求項1記載の運動案内装置。
- 前記自由転動体は前記保持ベルトのポケットに収容された転動体と同一直径であり、前記軌道レールと前記移動ブロックとの間で荷重を負荷していることを特長とする請求項1記載の運動案内装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015244324A JP6373246B2 (ja) | 2015-12-15 | 2015-12-15 | 運動案内装置 |
CN201680066512.5A CN108350937B (zh) | 2015-12-15 | 2016-12-01 | 运动引导装置 |
PCT/JP2016/085731 WO2017104428A1 (ja) | 2015-12-15 | 2016-12-01 | 運動案内装置 |
US15/781,964 US10436248B2 (en) | 2015-12-15 | 2016-12-01 | Motion guide device |
DE112016005728.8T DE112016005728T5 (de) | 2015-12-15 | 2016-12-01 | Bewegunsführungsvorrichtung |
TW105140464A TWI700440B (zh) | 2015-12-15 | 2016-12-07 | 運動引導裝置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015244324A JP6373246B2 (ja) | 2015-12-15 | 2015-12-15 | 運動案内装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2017110704A JP2017110704A (ja) | 2017-06-22 |
JP2017110704A5 JP2017110704A5 (ja) | 2017-09-21 |
JP6373246B2 true JP6373246B2 (ja) | 2018-08-15 |
Family
ID=59056345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015244324A Active JP6373246B2 (ja) | 2015-12-15 | 2015-12-15 | 運動案内装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10436248B2 (ja) |
JP (1) | JP6373246B2 (ja) |
CN (1) | CN108350937B (ja) |
DE (1) | DE112016005728T5 (ja) |
TW (1) | TWI700440B (ja) |
WO (1) | WO2017104428A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6385384B2 (ja) * | 2016-04-11 | 2018-09-05 | Thk株式会社 | 転がり案内装置 |
JP1586244S (ja) * | 2017-05-09 | 2020-09-14 | ||
USD875150S1 (en) * | 2017-05-31 | 2020-02-11 | Thk Co., Ltd. | End plate for motion guide device |
JP6834789B2 (ja) | 2017-06-05 | 2021-02-24 | コベルコ建機株式会社 | ストラットの引き起こし方法、およびクレーン |
TWI708019B (zh) * | 2019-03-11 | 2020-10-21 | 精浚科技股份有限公司 | 線性滑軌的滾動模組及鏈帶 |
CN111720445B (zh) * | 2019-03-20 | 2022-02-01 | 精浚科技股份有限公司 | 线性滑轨的滚动模块及链带 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2607993B2 (ja) * | 1991-08-22 | 1997-05-07 | テイエチケー 株式会社 | ボールチェイン及び直線運動案内装置 |
JP3243415B2 (ja) | 1996-06-27 | 2002-01-07 | テイエチケー株式会社 | 摺動案内装置及びその有端転動体チェーン |
JPH112243A (ja) * | 1997-06-10 | 1999-01-06 | Nippon Seiko Kk | 潤滑剤供給体 |
JP3263005B2 (ja) * | 1997-06-13 | 2002-03-04 | テイエチケー株式会社 | 転がり案内装置 |
JP2000046052A (ja) * | 1998-07-28 | 2000-02-15 | Nippon Seiko Kk | 直動案内装置 |
JP2000120674A (ja) * | 1998-10-12 | 2000-04-25 | Nsk Ltd | 直線運動案内装置 |
JP4760341B2 (ja) * | 2005-11-30 | 2011-08-31 | 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、並びに転動体収容ベルト製造用金型 |
DE102006059161B4 (de) * | 2005-12-15 | 2023-01-12 | Nsk Ltd. | Lineare Führungsvorrichtung |
US20080085067A1 (en) * | 2006-10-05 | 2008-04-10 | Hsin-Tsun Hsu | Linear Guideway with Synchronously Operating Spacers |
JP2008185045A (ja) * | 2007-01-26 | 2008-08-14 | Nsk Ltd | 直動案内装置 |
JPWO2010074155A1 (ja) * | 2008-12-26 | 2012-06-21 | Thk株式会社 | 転動体リテーナ及びこれを用いた無限循環式直線運動装置 |
US8408796B1 (en) * | 2011-11-21 | 2013-04-02 | Chieftech Precision Co., Ltd. | Rolling element retainer belt and linear motion guide apparatus |
-
2015
- 2015-12-15 JP JP2015244324A patent/JP6373246B2/ja active Active
-
2016
- 2016-12-01 WO PCT/JP2016/085731 patent/WO2017104428A1/ja active Application Filing
- 2016-12-01 US US15/781,964 patent/US10436248B2/en active Active
- 2016-12-01 DE DE112016005728.8T patent/DE112016005728T5/de active Pending
- 2016-12-01 CN CN201680066512.5A patent/CN108350937B/zh active Active
- 2016-12-07 TW TW105140464A patent/TWI700440B/zh active
Also Published As
Publication number | Publication date |
---|---|
DE112016005728T5 (de) | 2018-09-06 |
TWI700440B (zh) | 2020-08-01 |
US10436248B2 (en) | 2019-10-08 |
CN108350937A (zh) | 2018-07-31 |
TW201732170A (zh) | 2017-09-16 |
JP2017110704A (ja) | 2017-06-22 |
US20180355915A1 (en) | 2018-12-13 |
WO2017104428A1 (ja) | 2017-06-22 |
CN108350937B (zh) | 2019-12-20 |
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