JP6847047B2 - 直動機構用サイドシールユニットおよび直動機構 - Google Patents
直動機構用サイドシールユニットおよび直動機構 Download PDFInfo
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- JP6847047B2 JP6847047B2 JP2017557609A JP2017557609A JP6847047B2 JP 6847047 B2 JP6847047 B2 JP 6847047B2 JP 2017557609 A JP2017557609 A JP 2017557609A JP 2017557609 A JP2017557609 A JP 2017557609A JP 6847047 B2 JP6847047 B2 JP 6847047B2
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Images
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
- F16C29/08—Arrangements for covering or protecting the ways
- F16C29/084—Arrangements for covering or protecting the ways fixed to the carriage or bearing body movable along the guide rail or track
- F16C29/086—Seals being essentially U-shaped, e.g. for a U-shaped carriage
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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
- F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C29/00—Bearings for parts moving only linearly
- F16C29/001—Bearings for parts moving only linearly adjustable for alignment or positioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C29/00—Bearings for parts moving only linearly
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F16C29/0654—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 balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
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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
- F16C33/72—Sealings
- F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
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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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/02—Mechanical properties
- F16C2202/10—Porosity
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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
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
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- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Sealing Of Bearings (AREA)
Description
この試験においては、従来の直動案内装置に取り付ける本願発明のサイドシールユニットを摺動性を高めるためにオイルが給油された湿式として用いる場合と無給油の乾式として用いる場合におけるシール性を、従来の直動案内装置に装着されるリニアブッシュ単体のシール性と比較した。
図6に、評価に用いた直動案内装置の概要を示す。また、評価に使用したLMシャフト、軸シール、粉体の一覧を、表1に示す。
上記方法のようにして、粉体シール性を評価した。結果を表4に示す。
この試験においては、各種シール材を取り付けた時の、リニアブッシュの移動トルクを測定した。本願発明のシール材を用いたとしても、装置の運用に支障を来すような移動トルクの増大が生じないことを確認する。
試験例1と同様の機器及びシール材を用いた。シール性の評価と同じ条件で軸シールおよびリニアブッシュを取り付けた。軸を挿入した状態で、デジタルフォースゲージの測定部に評価機を固定し、評価機を引っ張り、動き始めた瞬間のトルクを記録した。
上記方法のようにして、移動トルクを評価した。結果を表5に示す。
以上、直動案内装置のリニアブッシュに本発明の軸シールをさらに装着したものとすることで、微粉体が多数存在する環境下においても、低トルクにてしかも大幅に寿命を確保できることがわかった。
1a (直動案内レール1の)側面
1b (直動案内レール1の)上面
2 スライダ
2a スライダ本体
2b エンドキャップ
3 サイドシール
4 直動機構用サイドシールユニット
4a アタッチメント
4b シール材
5 スライダ本体の左右側面部
6a (直動案内レール1の1/2円弧形状の)直動案内レールの転動体転動溝
6b (直動案内レール1の1/4円弧形状の)直動案内レールの転動体転動溝
7a (スライダ2の1/2円弧形状の)スライダ本体の転動体転動溝
7b (スライダ2の1/4円弧形状の)スライダ本体の転動体転動溝
8 転動体転動路
9 直線路
10 湾曲路
11 転動体戻し路
12 (鋼球状の)転動体
13 外装材
14 繊維シール材
15 LMシャフト
16 軸シール
17 リニアブッシュ
18 基台
19 地糸部
20 表地経糸
21 表緯糸
22 裏地経糸
23 裏緯糸
24 パイル繊維
Claims (5)
- シャフトと該シャフト上を直線往復運動するスライダを備えた直動機構の該スライダの前端部および後端部に設けた該シャフトとの間隙を密封するためのサイドシールユニットであって、前記スライダの前端部および後端部に、基台の内面側に固定されたカットパイルの地糸部からさらに内面側に向けて浮かせたパイル繊維の輪奈の先端をカットして起毛させたカットパイルを用いたものである繊維素材からなるシール材の、該カットして起毛させたカットパイルのパイル繊維のカットされた先端側を該シャフト側に向けて該シャフトの断面形状に沿って当接せしめるように配したことを特徴とする直動機構用サイドシールユニット。
- カットパイルの地糸部は、表地経糸と表緯糸の表層部と、裏地経糸と裏緯糸の裏層部の二層からなる経緯二重織の構造であって、前記パイル繊維は裏緯糸に係止されていることを特徴とする、請求項1に記載の直動機構用サイドシールユニット。
- カットパイルの地糸部は、表地経糸と表地縦糸が表緯糸を挟んで互い違いに交差するようにして表層部を形成し、裏地経糸と裏地経糸が裏緯糸を挟んで互い違いに交差するようにして裏層部を形成して二層とした経緯二重織の構造であって、裏緯糸に係止されているパイル繊維は2種類の起毛のパイル繊維からなっており、当該2種類のパイル繊維が隣接する裏緯糸に交互に係止されていることを特徴とする、請求項1に記載の直動機構用サイドシールユニット。
- 繊維素材からなるシール材は、繊維間に潤滑剤を保持した湿式のシール材であることを特徴とする、請求項1から3のいずれか1項に記載の直動機構用サイドシールユニット。
- 請求項1〜4のいずれか1項に記載の直動機構用サイドシールユニットを備えた直動機構。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2015/086138 WO2017109924A1 (ja) | 2015-12-24 | 2015-12-24 | 直動機構用サイドシールユニットおよび直動機構 |
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JPWO2017109924A1 JPWO2017109924A1 (ja) | 2018-10-18 |
JP6847047B2 true JP6847047B2 (ja) | 2021-03-24 |
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JP2017557609A Active JP6847047B2 (ja) | 2015-12-24 | 2015-12-24 | 直動機構用サイドシールユニットおよび直動機構 |
Country Status (3)
Country | Link |
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US (1) | US11773902B2 (ja) |
JP (1) | JP6847047B2 (ja) |
WO (1) | WO2017109924A1 (ja) |
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WO2020071514A1 (ja) * | 2018-10-03 | 2020-04-09 | 三和テクノ株式会社 | 直動機構用の湿式端部シール材および該シール材を用いた直動機構 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3494673A (en) * | 1967-03-10 | 1970-02-10 | Roy Milton Wilcox | Cleaning device for an exposed bearing surface |
JPS5255168Y2 (ja) * | 1974-02-01 | 1977-12-13 | ||
JP2519182Y2 (ja) | 1989-07-17 | 1996-12-04 | テイエチケー 株式会社 | 軸案内装置のシール部材 |
JP2004340343A (ja) | 2003-05-19 | 2004-12-02 | Nsk Ltd | リニアガイド装置 |
JP4504663B2 (ja) * | 2003-11-20 | 2010-07-14 | Thk株式会社 | 案内装置 |
JP4309294B2 (ja) | 2004-01-19 | 2009-08-05 | 三和テクノ株式会社 | シール織物の製造方法 |
JP2005337407A (ja) | 2004-05-27 | 2005-12-08 | Nsk Ltd | 直動案内軸受装置 |
JP4203044B2 (ja) * | 2005-05-24 | 2008-12-24 | 株式会社日立製作所 | ブレーキ制御ユニット |
JP2009138791A (ja) | 2007-12-04 | 2009-06-25 | Eiwa:Kk | シール材 |
JP3140596U (ja) * | 2008-01-21 | 2008-04-03 | オザック精工株式会社 | ベアリング |
JP5283959B2 (ja) | 2008-04-22 | 2013-09-04 | 三和テクノ株式会社 | 粉体担持体ローラの端部から装置外部への粉体の漏出を防止するシール部材 |
US9903476B2 (en) * | 2012-12-25 | 2018-02-27 | Susumu Shoji | Cylindrical shaft-sealing material obtained from pile weave or knit |
JP5532158B2 (ja) | 2013-01-21 | 2014-06-25 | 日本精工株式会社 | リニアガイド装置 |
-
2015
- 2015-12-24 US US16/065,444 patent/US11773902B2/en active Active
- 2015-12-24 WO PCT/JP2015/086138 patent/WO2017109924A1/ja active Application Filing
- 2015-12-24 JP JP2017557609A patent/JP6847047B2/ja active Active
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WO2017109924A1 (ja) | 2017-06-29 |
JPWO2017109924A1 (ja) | 2018-10-18 |
US11773902B2 (en) | 2023-10-03 |
US20190017544A1 (en) | 2019-01-17 |
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