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JPH0164339U - - Google Patents

Info

Publication number
JPH0164339U
JPH0164339U JP1987158545U JP15854587U JPH0164339U JP H0164339 U JPH0164339 U JP H0164339U JP 1987158545 U JP1987158545 U JP 1987158545U JP 15854587 U JP15854587 U JP 15854587U JP H0164339 U JPH0164339 U JP H0164339U
Authority
JP
Japan
Prior art keywords
groove
ball
feed screw
rail member
guide rail
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.)
Pending
Application number
JP1987158545U
Other languages
English (en)
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 filed Critical
Priority to JP1987158545U priority Critical patent/JPH0164339U/ja
Priority to US07/258,031 priority patent/US4932279A/en
Publication of JPH0164339U publication Critical patent/JPH0164339U/ja
Pending legal-status Critical Current

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
    • 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
    • F16C29/0654—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
    • F16C29/0657—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 with two rows of balls, one on each side of the rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
    • B23Q1/58—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism a single sliding pair
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • B23Q5/408—Nut bearings therefor
    • 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
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators
    • 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
    • Y10T74/18648—Carriage surrounding, guided by, and primarily supported by member other than screw [e.g., linear guide, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Machine Tool Units (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例の側面図、第２図
は第１図に示すものの平面図、第３図は第１図の
矢視で示す一部切欠き正面図、第４図は第１図
の―線断面図、第５図は半割チユーブの側面
図、第６図は第２図の―線断面で示すエンド
キヤツプ部の背面図、第７図はエンドキヤツプ部
の平面図、第８図は第６図の部分拡大図、第９図
は第８図の―線断面図である。 １は送りねじ軸、１Ａ，１Ｂは螺旋溝、２は角
型ナツト、３はサブブロツク、５は連結板、１０
は直線案内機構、２０は案内レール部材、２１，
３３はボール転動溝、３０は直線案内部、３２は
袖部、３４はボール通路溝、４０はエンドキヤツ
プ部、４１は嵌合突出部、４２は湾曲ボール溝、
４３は外側半円周、４４はその終端、４５は延長
溝、５０は半割チユーブ、５１はボール戻り通路
、５２はボールである。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 外周面に螺旋溝を有する送りねじ軸と、そ
    の螺旋溝に対応する螺旋溝を有して送りねじ軸に
    軸方向に移動可能に螺合されたナツトとを備えた
    送りねじ装置において、両側面にボール転動溝を
    有する案内レール部材を前記送りねじ軸に平行に
    且つ僅かに間隔を隔てて配設すると共に、前記ナ
    ツトの前記案内レール部材に面した側を僅かに延
    長して直線案内部を形成し、該直線案内部は内側
    面に案内レール部材のボール転動溝に対向するボ
    ール転動溝を備えると共に該ボール転動溝に平行
    なボール通路溝を外側面に備え、前記直線案内部
    の前後の両端面には湾曲ボール溝とその湾曲した
    外側半円周の終端からその接線方向に延長された
    延長溝を有する嵌合突出部を有するエンドキヤツ
    プ部をそれぞれ固着し、該両端のエンドキヤツプ
    部の延長溝に軸方向に長い半割チユーブを差し込
    んで前記直線案内部のボール通路溝とによりボー
    ル戻り通路を形成し、該ボール戻り通路と前記湾
    曲ボール溝により形成されるボール無限循環路に
    転動自在に多数のボールを装填し、該ボールの転
    動を介して前記ナツトが前記送りねじ軸の回動に
    応じて前記案内レール部材に案内されて直線移動
    するように構成したことを特徴とする送りねじ装
    置。 (2) 前記半割チユーブ、エンドキヤツプ部の嵌
    合突出部の延長溝に、湾曲ボール溝の外側半円周
    の終端より奥迄差し込んで嵌着されて前記直線案
    内部のボール通路溝とによりボール通路が形成さ
    れることを特徴とする実用新案登録請求の範囲第
    １項記載の送りねじ装置。
JP1987158545U 1987-10-16 1987-10-16 Pending JPH0164339U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987158545U JPH0164339U (ja) 1987-10-16 1987-10-16
US07/258,031 US4932279A (en) 1987-10-16 1988-10-14 Feed screw apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987158545U JPH0164339U (ja) 1987-10-16 1987-10-16

Publications (1)

Publication Number Publication Date
JPH0164339U true JPH0164339U (ja) 1989-04-25

Family

ID=15674048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987158545U Pending JPH0164339U (ja) 1987-10-16 1987-10-16

Country Status (2)

Country Link
US (1) US4932279A (ja)
JP (1) JPH0164339U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0396458U (ja) * 1990-01-22 1991-10-02

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0623769Y2 (ja) * 1989-08-29 1994-06-22 日本精工株式会社 定圧予圧直動案内軸受装置
US5101679A (en) * 1990-01-08 1992-04-07 Ivac Corporation Screw drive engagement/disengagement and decoupling mechanism
JPH076540B2 (ja) * 1990-05-21 1995-01-30 テイエチケー株式会社 直線案内装置
US5102235A (en) * 1991-01-10 1992-04-07 Thomson Industries, Inc. Linear motion bearing
DE4111551A1 (de) * 1991-04-09 1992-10-15 Schaeffler Waelzlager Kg Linearfuehrungseinheit
JPH0527407U (ja) * 1991-09-25 1993-04-09 日本精工株式会社 ボールねじ一体型直動案内ユニツト
JP2565426Y2 (ja) * 1992-10-22 1998-03-18 日本トムソン株式会社 直動転がり案内ユニット
JP2582328Y2 (ja) * 1992-11-25 1998-09-30 日本精工株式会社 ボールねじ一体型直動案内ユニット
US5431498A (en) * 1994-04-11 1995-07-11 Thomson Industries, Inc. Linear motion bearing
US5755516A (en) * 1994-05-20 1998-05-26 Thk Co., Ltd. Rolling guide apparatus and method of manufacturing movable block of rolling guide apparatus
JP3412914B2 (ja) * 1994-05-20 2003-06-03 Ｔｈｋ株式会社 転がり案内装置および転がり案内装置の移動ブロックの製造方法
US5482416A (en) * 1994-06-30 1996-01-09 Reko International Group Inc. Metal working machine
JP3919858B2 (ja) * 1996-10-24 2007-05-30 Ｔｈｋ株式会社 直線移動装置
JP4537588B2 (ja) * 2001-01-30 2010-09-01 日本トムソン株式会社 直動案内ユニット
JP5735374B2 (ja) * 2011-08-04 2015-06-17 日本トムソン株式会社 直動転がり案内ユニット
CN103097752B (zh) * 2011-09-07 2016-03-09 日本精工株式会社 直线运动装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670583A (en) * 1970-10-19 1972-06-20 Overton Gear And Tool Corp Long span screw and nut drives
JPS5848771B2 (ja) * 1981-02-23 1983-10-31 博 寺町 リニヤボ−ルベアリング
US4426119A (en) * 1981-04-20 1984-01-17 Nippon Thompson Co., Ltd. Ball bearing slide unit for linear motion
JPS5958225A (ja) * 1982-05-20 1984-04-03 Hiroshi Teramachi 直線摺動ベアリング
JPS59226713A (ja) * 1983-06-03 1984-12-19 Hiroshi Teramachi 直線摺動用ベアリング
JPS6040818A (ja) * 1983-08-12 1985-03-04 Hiroshi Teramachi 直線摺動用ベアリング
JPS6161362A (ja) * 1984-08-31 1986-03-29 Toshiba Corp 高圧金属蒸気放電灯
JPH0725455Y2 (ja) * 1987-04-14 1995-06-07 日本トムソン株式会社 薄肉鋼板製無限直線運動用転がり軸受

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0396458U (ja) * 1990-01-22 1991-10-02

Also Published As

Publication number Publication date
US4932279A (en) 1990-06-12

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