JP2018179290A - ボール収容バンド及び運動案内装置 - Google Patents
ボール収容バンド及び運動案内装置 Download PDFInfo
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- JP2018179290A JP2018179290A JP2018057539A JP2018057539A JP2018179290A JP 2018179290 A JP2018179290 A JP 2018179290A JP 2018057539 A JP2018057539 A JP 2018057539A JP 2018057539 A JP2018057539 A JP 2018057539A JP 2018179290 A JP2018179290 A JP 2018179290A
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- 230000004308 accommodation Effects 0.000 title abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims abstract description 47
- 238000003860 storage Methods 0.000 claims description 30
- 238000005096 rolling process Methods 0.000 claims description 19
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000009941 weaving Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- 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
-
- 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
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- 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
- F16C29/045—Ball or roller bearings having rolling elements journaled in one of the moving parts
- F16C29/046—Ball or roller bearings having rolling elements journaled in one of the moving parts with balls journaled in pockets
-
- 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
- F16C29/063—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body, e.g. a carriage or part thereof, provided between the legs of a U-shaped guide rail or track
-
- 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
- F16C29/064—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 two rows of balls, one on each side of the rail
-
- 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
- F16C29/0669—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 main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes
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- 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
- F16C29/0669—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 main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes
- F16C29/0671—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 main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes 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
- 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
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
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- 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
- F16C33/40—Ball cages for multiple rows of balls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】ボール収容バンド22は、少なくとも2列の開口部25a,25bを有し、有端状に形成されるバンド26、及び各列の開口部25a,25b間に配置される複数のスペーサ24a,24bを含む収容バンド23と、少なくとも2列の開口部25a,25bに収容される少なくとも2列のボール6a,6bと、を備える。隣り合う一方の列のボール6aと他方の列のボール6bとを、ボール6a間及びボール6b間にスペーサ24a,24bを介在させた状態で千鳥状に配置する。ボール収容バンド22の長さ方向視において、一方の列のボール6aと他方の列のボール6bとが互いに重なり合う。
【選択図】 図5
Description
(第1の実施形態のボール収容バンド及び第1の実施形態の運動案内装置)
(第2の実施形態のボールリテーナ)
(第2の実施形態の運動案内装置)
(第3の実施形態の運動案内装置)
Claims (12)
- 少なくとも2列の開口部を有し、有端状に形成されるバンド、及び各列の前記開口部間に配置される複数のスペーサを含む収容バンドと、
前記少なくとも2列の前記開口部に収容される少なくとも2列のボールと、を備え、
隣り合う一方の列の前記ボールと他方の列の前記ボールとを、前記ボール間に前記スペーサを介在させた状態で千鳥状に配置し、
前記収容バンドの長さ方向視において、前記一方の列の前記ボールと前記他方の列の前記ボールとが互いに重なり合うボール収容バンド。 - 前記収容バンドは、前記収容バンドの幅方向の両端部に配置されるサイドバンドと、隣り合う前記一方の列の前記ボール及び前記スペーサと前記他方の列の前記ボール及び前記スペーサとの間に介在する中間バンドと、を含むことを特徴とする請求項1に記載のボール収容バンド。
- 前記ボールの中心を通る断面において、前記中間バンドの幅が前記サイドバンドの幅よりも狭いことを特徴とする請求項2に記載のボール収容バンド。
- 前記中間バンドの厚さが前記サイドバンドの厚さより厚いことを特徴とする請求項2又は3に記載のボール収容バンド。
- 前記ボール収容バンドを直線状に延ばした状態において、前記サイドバンドと前記中間バンドとが同一平面上に配置されることを特徴とする請求項2ないし4のいずれか一項に記載のボール収容バンド。
- 前記ボール収容バンドの幅方向視において、前記一方の列の前記ボールと前記他方の列の前記ボールとが互いに重なり合い、
前記ボール収容バンドの平面視において、隣接する3つの前記ボールの中心を結んだ仮想三角形が正三角形に形成されることを特徴とする請求項1ないし5のいずれか一項に記載のボール収容バンド。 - 前記ボール収容バンドの長さ方向の両端部に配置される端部スペーサの前記長さ方向の長さが残りの前記スペーサよりも短く、
前記ボール収容バンドの前記長さ方向の一端部において、前記一方の列の前記端部スペーサと前記他方の列の前記端部スペーサとが段違いに形成され、
前記ボール収容バンドの前記長さ方向の他端部において、前記一方の列の前記端部スペーサと前記他方の列の前記端部スペーサとが前記段違いと相補的な段違いに形成され、
前記ボール収容バンドの前記一端部の前記端部スペーサと前記ボール収容バンドの前記他端部の前記端部スペーサとの間に、ボールが介在しないことを特徴とする請求項1ないし6のいずれか一項に記載のボール収容バンド。 - 前記収容バンドが3列の前記開口部を有し、
3列の前記開口部に3列の前記ボールを千鳥状に配置し、
前記ボール収容バンドの長さ方向視において、3列の前記ボールのうち、隣り合う2列の前記ボールが互いに重なり合う請求項1ないし7のいずれか一項に記載のボール収容バンド。 - 案内レールと、
前記案内レールに相対移動可能に組み付けられ、負荷路、前記負荷路と略平行な戻し路、前記負荷路と前記戻し路とを接続するターン路を含む循環路を有するキャリッジと、
前記循環路に配置される請求項1ないし8のいずれか一項に記載のボール収容バンドと、
を備える運動案内装置。 - 前記案内レールのボール転走溝と前記キャリッジの負荷ボール転走溝とが前記負荷路を形成し、
前記キャリッジの前記負荷ボール転走溝及び前記案内レールの前記ボール転走溝の断面形状は、前記ボールの直径よりも僅かに大きな直径を持ち、互いに重なる2つの仮想円を基礎とすることを特徴とする請求項9に記載の運動案内装置。 - 前記戻し路の断面形状は、前記ボールの直径よりも僅かに大きな直径を持ち、互いに重なる2つの仮想円を基礎とすることを特徴とする請求項9又は10に記載の運動案内装置。
- 案内レールと、
前記案内レールに相対移動可能に組み付けられ、負荷路、前記負荷路と略平行な戻し路、前記負荷路と前記戻し路とを接続するターン路を含む循環路を有するキャリッジと、
前記循環路に配置され、少なくとも2列のボールを収容するボール収容バンドと、を備え、
前記キャリッジのキャリッジ本体には、戻し路構成部材を挿入するための貫通孔が形成され、
前記貫通孔の断面形状は、隣接する2つの仮想円が互いに重なる少なくとも2つの前記仮想円を基礎とする運動案内装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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TW107111664A TWI680238B (zh) | 2017-04-07 | 2018-04-02 | 滾珠收容帶及運動導引裝置 |
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JP2017076499 | 2017-04-07 | ||
JP2017076499 | 2017-04-07 |
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JP2018179290A true JP2018179290A (ja) | 2018-11-15 |
JP6559281B2 JP6559281B2 (ja) | 2019-08-14 |
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Country | Link |
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US (1) | US10900519B2 (ja) |
JP (1) | JP6559281B2 (ja) |
KR (1) | KR102093086B1 (ja) |
CN (1) | CN110494662B (ja) |
DE (1) | DE112018001901T5 (ja) |
TW (1) | TWI680238B (ja) |
WO (1) | WO2018186220A1 (ja) |
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JP2011112069A (ja) * | 2009-11-24 | 2011-06-09 | Thk Co Ltd | 運動案内装置及びローラねじ |
JP2014055670A (ja) * | 2012-05-28 | 2014-03-27 | Nsk Ltd | 直動案内装置 |
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2018
- 2018-03-26 KR KR1020197032611A patent/KR102093086B1/ko active Active
- 2018-03-26 CN CN201880023817.7A patent/CN110494662B/zh active Active
- 2018-03-26 DE DE112018001901.2T patent/DE112018001901T5/de active Pending
- 2018-03-26 US US16/494,860 patent/US10900519B2/en active Active
- 2018-03-26 JP JP2018057539A patent/JP6559281B2/ja active Active
- 2018-03-26 WO PCT/JP2018/012153 patent/WO2018186220A1/ja active Application Filing
- 2018-04-02 TW TW107111664A patent/TWI680238B/zh active
Patent Citations (2)
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JP2011112069A (ja) * | 2009-11-24 | 2011-06-09 | Thk Co Ltd | 運動案内装置及びローラねじ |
JP2014055670A (ja) * | 2012-05-28 | 2014-03-27 | Nsk Ltd | 直動案内装置 |
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Publication number | Publication date |
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JP6559281B2 (ja) | 2019-08-14 |
KR20190127981A (ko) | 2019-11-13 |
TW201842277A (zh) | 2018-12-01 |
CN110494662A (zh) | 2019-11-22 |
US10900519B2 (en) | 2021-01-26 |
DE112018001901T5 (de) | 2019-12-19 |
WO2018186220A1 (ja) | 2018-10-11 |
KR102093086B1 (ko) | 2020-03-24 |
CN110494662B (zh) | 2021-02-02 |
TWI680238B (zh) | 2019-12-21 |
US20200191199A1 (en) | 2020-06-18 |
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