IT1245496B - Attuatore lineare a vite e/o circolazione di sfere - Google Patents

Attuatore lineare a vite e/o circolazione di sfere

Info

Publication number
IT1245496B
IT1245496B ITMI910179A ITMI910179A IT1245496B IT 1245496 B IT1245496 B IT 1245496B IT MI910179 A ITMI910179 A IT MI910179A IT MI910179 A ITMI910179 A IT MI910179A IT 1245496 B IT1245496 B IT 1245496B
Authority
IT
Italy
Prior art keywords
ball circulation
linear actuator
screw linear
nut
ball
Prior art date
Application number
ITMI910179A
Other languages
English (en)
Inventor
Carlo Bianco
Original Assignee
Ricerca Elettromeccanica Srl
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 Ricerca Elettromeccanica Srl filed Critical Ricerca Elettromeccanica Srl
Priority to ITMI910179A priority Critical patent/IT1245496B/it
Publication of ITMI910179A0 publication Critical patent/ITMI910179A0/it
Priority to EP91116111A priority patent/EP0496034A1/en
Priority to US07/765,904 priority patent/US5154091A/en
Priority to CA002052092A priority patent/CA2052092A1/en
Priority to JP3321562A priority patent/JPH04285352A/ja
Publication of ITMI910179A1 publication Critical patent/ITMI910179A1/it
Application granted granted Critical
Publication of IT1245496B publication Critical patent/IT1245496B/it

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
    • 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
    • F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
    • F16H25/2219—Axially mounted end-deflectors
    • 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
    • F16H2025/2481—Special features for facilitating the manufacturing of spindles, nuts, or sleeves of screw devices
    • 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
    • Y10T74/19767—Return path geometry

Abstract

L'invenzione riguarda un attuatore lineare a vite e/o a circolazione di sfere comprendente una madrevite nella quale è ricavato il condotto di ritorno delle sfere, chiusa da due pareti di testata nelle quali sono ricavati i passaggi che collegano detto condotto con la scanalatura elicoidale e in cui sia la madrevite che le pareti di testata sono realizzate in sinterizzato.
ITMI910179A 1991-01-25 1991-01-25 Attuatore lineare a vite e/o circolazione di sfere IT1245496B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITMI910179A IT1245496B (it) 1991-01-25 1991-01-25 Attuatore lineare a vite e/o circolazione di sfere
EP91116111A EP0496034A1 (en) 1991-01-25 1991-09-23 Linear recirculating ball screw actuator
US07/765,904 US5154091A (en) 1991-01-25 1991-09-24 Linear screw and/or circulating ball actuator
CA002052092A CA2052092A1 (en) 1991-01-25 1991-09-24 Linear screw and/or circulating ball actuator
JP3321562A JPH04285352A (ja) 1991-01-25 1991-11-11 直線上を動くスクリューと循環するボールのアクチュエーター

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI910179A IT1245496B (it) 1991-01-25 1991-01-25 Attuatore lineare a vite e/o circolazione di sfere

Publications (3)

Publication Number Publication Date
ITMI910179A0 ITMI910179A0 (it) 1991-01-25
ITMI910179A1 ITMI910179A1 (it) 1992-07-25
IT1245496B true IT1245496B (it) 1994-09-27

Family

ID=11358258

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910179A IT1245496B (it) 1991-01-25 1991-01-25 Attuatore lineare a vite e/o circolazione di sfere

Country Status (5)

Country Link
US (1) US5154091A (it)
EP (1) EP0496034A1 (it)
JP (1) JPH04285352A (it)
CA (1) CA2052092A1 (it)
IT (1) IT1245496B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3185416B2 (ja) * 1992-11-30 2001-07-09 日本精工株式会社 エンドキャップ式ボールねじ
DE19715930B4 (de) * 1996-04-17 2011-01-27 Ntn Corp. Kettenspanner
CN1107178C (zh) * 1996-06-21 2003-04-30 Thk株式会社 滚珠丝杠装置
US5832776A (en) * 1996-09-23 1998-11-10 Kuo; Chang-Hsin Leadscrew assembly with a no-grooved shaft
JP3712477B2 (ja) * 1996-10-21 2005-11-02 Ｎｔｎ株式会社 オートテンショナ
JP3726460B2 (ja) * 1997-01-29 2005-12-14 日本精工株式会社 ボールねじ機構
JP3907772B2 (ja) * 1997-03-25 2007-04-18 Ｔｈｋ株式会社 ボールねじ装置
DE19739216C2 (de) 1997-09-08 1999-07-08 Star Gmbh Spindeltrieb
DE19803026A1 (de) * 1998-01-27 1999-08-12 Hiwin Tech Corp Kugelumlaufsystem für Kugelgewindetriebe
FR2784730B1 (fr) 1998-10-20 2000-12-15 Serge Simplet Vis a billes
US6176149B1 (en) * 1999-05-28 2001-01-23 Tsubaki Nakashima Co., Ltd. Ball screw having spacers
WO2001073312A1 (de) * 2000-03-27 2001-10-04 Continental Teves Ag & Co. Ohg Betätigungseinheit mit einem gewindetrieb, einem planetengetriebe und einem von diesen beeinflussten betätigungselement
DE10120451A1 (de) * 2001-04-26 2002-10-31 Ina Schaeffler Kg Elektromotorisch verdrehbare Welle
JP4288903B2 (ja) 2001-07-30 2009-07-01 日本精工株式会社 ボールねじ装置
JP2003294105A (ja) * 2002-03-29 2003-10-15 Nsk Ltd ねじ送り装置
JP4012445B2 (ja) 2002-08-13 2007-11-21 株式会社日立製作所 内燃機関の可変動弁装置
CN100553869C (zh) * 2003-09-10 2009-10-28 日本精工株式会社 滚珠丝杠装置
JP3915790B2 (ja) * 2004-02-17 2007-05-16 日本精工株式会社 ボールねじ装置
US7677126B2 (en) * 2005-03-22 2010-03-16 Gm Global Technology Operations, Inc. Ball screw mechanism
CN102079035A (zh) * 2010-12-20 2011-06-01 付俊杰 一种滚珠螺旋的加工方法
US9261179B2 (en) * 2014-02-20 2016-02-16 Hiwin Technologies Corp. End cap for ball screw device
EP3324077B1 (en) * 2015-07-14 2019-09-18 NSK Ltd. Ball screw, machine tool, and conveying device
DE102016223610A1 (de) * 2016-11-29 2018-05-30 Schaeffler Technologies AG & Co. KG Gewindemutter für einen Kugelgewindetrieb

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US477642A (en) * 1892-06-28 Chablis e
US2844969A (en) * 1958-07-29 Mechanical movement device
DE803963C (de) * 1948-10-02 1951-04-12 N S F Nuernberger Schraubenfab Mutter
BE508560A (it) * 1951-01-22
GB1452491A (en) * 1973-02-27 1976-10-13 Lucas Industries Ltd Screw-type actuators
US3902377A (en) * 1973-10-23 1975-09-02 Tech Integrale Ball screw and nut mechanism
FR2262237B1 (it) * 1974-02-26 1977-06-10 Anvar
US4100850A (en) * 1976-12-10 1978-07-18 Broan Manufacturing Co., Inc. Drive mechanism for trash compactors
US4148226A (en) * 1977-09-22 1979-04-10 General Motors Corporation Ball nut and screw assembly
US4211125A (en) * 1978-06-08 1980-07-08 General Motors Corporation Plural lead ball nut screw actuator
DE3425285A1 (de) * 1984-07-10 1986-01-16 Neff Gewindespindeln GmbH, 7035 Waldenbuch Kugelschraubtrieb

Also Published As

Publication number Publication date
JPH04285352A (ja) 1992-10-09
US5154091A (en) 1992-10-13
ITMI910179A0 (it) 1991-01-25
EP0496034A1 (en) 1992-07-29
ITMI910179A1 (it) 1992-07-25
CA2052092A1 (en) 1992-07-26

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961217