TW593911B - Linear actuator - Google Patents

Linear actuator Download PDF

Info

Publication number
TW593911B
TW593911B TW091118083A TW91118083A TW593911B TW 593911 B TW593911 B TW 593911B TW 091118083 A TW091118083 A TW 091118083A TW 91118083 A TW91118083 A TW 91118083A TW 593911 B TW593911 B TW 593911B
Authority
TW
Taiwan
Prior art keywords
balls
linear actuator
low generation
spacers
dust
Prior art date
Application number
TW091118083A
Other languages
English (en)
Inventor
Katsuya Iida
Hiroaki Kadono
Takeomi Kawakami
Ryuji Furusawa
Original Assignee
Thk Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thk Co Ltd filed Critical Thk Co Ltd
Application granted granted Critical
Publication of TW593911B publication Critical patent/TW593911B/zh

Links

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
    • 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
    • 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
    • F16C29/0604—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section
    • F16C29/0607—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section of parts or members for retaining the rolling elements, i.e. members to prevent the rolling elements from falling out of the bearing body or carriage
    • 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
    • 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
    • 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
    • F16H25/2233—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with cages or means to hold the balls in position
    • 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
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • 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
    • F16H2025/2242—Thread profile of the screw or nut showing a pointed "gothic" arch in cross-section
    • 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
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
    • Y10T74/18656—Carriage surrounded, guided, and primarily supported by member other than screw [e.g., linear guide, etc.]
    • 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
    • Y10T74/19777—Interconnected or cooperating rollers or roller structure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Transmission Devices (AREA)
TW091118083A 2001-08-30 2002-08-12 Linear actuator TW593911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001262222A JP5031957B2 (ja) 2001-08-30 2001-08-30 リニアアクチュエータ

Publications (1)

Publication Number Publication Date
TW593911B true TW593911B (en) 2004-06-21

Family

ID=19089149

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091118083A TW593911B (en) 2001-08-30 2002-08-12 Linear actuator

Country Status (7)

Country Link
US (1) US20040093970A1 (zh)
EP (1) EP1327786B1 (zh)
JP (1) JP5031957B2 (zh)
KR (1) KR20040032086A (zh)
CN (1) CN1289838C (zh)
TW (1) TW593911B (zh)
WO (1) WO2003021120A1 (zh)

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US7181988B2 (en) 2003-09-09 2007-02-27 Smc Kabushiki Kaisha Actuator
DE102004055306B4 (de) 2003-11-21 2007-06-14 Smc K.K. Stellglied
JP2005299773A (ja) * 2004-04-09 2005-10-27 Seiko Instruments Inc 送りねじユニット及びステージ装置
JP4500102B2 (ja) * 2004-05-13 2010-07-14 日本トムソン株式会社 スライド装置
US7150564B2 (en) * 2004-10-12 2006-12-19 Linear Tech Co., Ltd. Structure of linear sliding rail circulating device
JP4995729B2 (ja) * 2005-11-01 2012-08-08 Ｔｈｋ株式会社 運動案内装置
TWI273185B (en) * 2005-11-11 2007-02-11 Chieftech Prec Co Ltd Ball chain
JP2008275095A (ja) * 2007-05-01 2008-11-13 Ntn Corp ボールねじおよびその製造方法
KR101361494B1 (ko) * 2009-11-12 2014-02-14 (주)테크윙 픽앤플레이스장치
US8757024B2 (en) * 2010-03-30 2014-06-24 Linear Motion, Llc Linear motion assembly with recirculation insert
CN102141082A (zh) * 2010-11-18 2011-08-03 山东博特精工股份有限公司 滚柱直线导轨副
JP5714932B2 (ja) * 2011-02-16 2015-05-07 エヌ・ティ・ティ・アドバンステクノロジ株式会社 研磨装置
WO2013002064A1 (ja) * 2011-06-30 2013-01-03 Smc株式会社 リニアアクチュエータ
US20150040701A1 (en) * 2012-03-22 2015-02-12 Nsk Ltd. Single-Axis Actuator
JP5785570B2 (ja) * 2013-02-04 2015-09-30 Thk株式会社 運動案内装置
JP5494850B2 (ja) * 2013-02-08 2014-05-21 日本精工株式会社 直動装置
US9506303B2 (en) * 2014-03-17 2016-11-29 Vektor Lift, Llc Method and apparatus for pipe pickup and laydown
KR200484334Y1 (ko) 2015-03-03 2017-09-05 이수웅 충격 감응형 지폐 인식기를 활용한 무선 매상 정산 시스템
KR101956462B1 (ko) * 2017-08-16 2019-06-24 에스케이에프코리아(주) 리니어 모듈
JP7166185B2 (ja) * 2019-02-06 2022-11-07 Thk株式会社 予圧検知可能なねじ装置
CN110594293A (zh) * 2019-10-12 2019-12-20 深圳市金旺达机电有限公司 一种钢珠循环滚动机构
TWI769806B (zh) * 2021-05-03 2022-07-01 東佑達自動化科技股份有限公司 複合式螺桿滑台
CN116619259A (zh) * 2023-07-19 2023-08-22 保定凡绪机械制造有限公司 一种高精密自定心虎钳

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JPH076540B2 (ja) * 1990-05-21 1995-01-30 テイエチケー株式会社 直線案内装置
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JP4454192B2 (ja) * 2001-08-07 2010-04-21 Ｔｈｋ株式会社 案内装置の転動体干渉防止具

Also Published As

Publication number Publication date
WO2003021120A1 (fr) 2003-03-13
CN1486400A (zh) 2004-03-31
KR20040032086A (ko) 2004-04-14
JP2003074551A (ja) 2003-03-12
US20040093970A1 (en) 2004-05-20
EP1327786A1 (en) 2003-07-16
EP1327786A4 (en) 2006-06-07
JP5031957B2 (ja) 2012-09-26
CN1289838C (zh) 2006-12-13
EP1327786B1 (en) 2012-01-04

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MC4A Revocation of granted patent