[go: up one dir, main page]

FR2734744B1 - Broche de palier a air comprime en continu pour des machines de forage, des machines-outils de precision ou analogues - Google Patents

Broche de palier a air comprime en continu pour des machines de forage, des machines-outils de precision ou analogues

Info

Publication number
FR2734744B1
FR2734744B1 FR9606654A FR9606654A FR2734744B1 FR 2734744 B1 FR2734744 B1 FR 2734744B1 FR 9606654 A FR9606654 A FR 9606654A FR 9606654 A FR9606654 A FR 9606654A FR 2734744 B1 FR2734744 B1 FR 2734744B1
Authority
FR
France
Prior art keywords
compressed air
air bearing
machine tools
drilling machines
precision machine
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.)
Expired - Fee Related
Application number
FR9606654A
Other languages
English (en)
Other versions
FR2734744A1 (fr
Inventor
Yoshio Fujikawa
Shoji Fujii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing 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
Priority claimed from JP13351295A external-priority patent/JP3394358B2/ja
Priority claimed from JP7133572A external-priority patent/JPH08326753A/ja
Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Publication of FR2734744A1 publication Critical patent/FR2734744A1/fr
Application granted granted Critical
Publication of FR2734744B1 publication Critical patent/FR2734744B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
    • F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
    • 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
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/38—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
    • F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
    • F16C32/0651—Details of the bearing area per se
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
FR9606654A 1995-05-31 1996-05-30 Broche de palier a air comprime en continu pour des machines de forage, des machines-outils de precision ou analogues Expired - Fee Related FR2734744B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13351295A JP3394358B2 (ja) 1995-05-31 1995-05-31 静圧空気軸受スピンドル
JP7133572A JPH08326753A (ja) 1995-05-31 1995-05-31 静圧空気軸受スピンドル

Publications (2)

Publication Number Publication Date
FR2734744A1 FR2734744A1 (fr) 1996-12-06
FR2734744B1 true FR2734744B1 (fr) 1998-02-20

Family

ID=26467844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9606654A Expired - Fee Related FR2734744B1 (fr) 1995-05-31 1996-05-30 Broche de palier a air comprime en continu pour des machines de forage, des machines-outils de precision ou analogues

Country Status (3)

Country Link
DE (1) DE19621773A1 (fr)
FR (1) FR2734744B1 (fr)
GB (1) GB2302144B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4152553B2 (ja) * 2000-02-10 2008-09-17 Ｔｈｋ株式会社 タービンロータを備えたスピンドル装置
DE10106204A1 (de) * 2001-02-10 2002-08-14 Rieter Ingolstadt Spinnerei Offenend-Spinnvorrichtung mit einem aerostatischen Radiallager für einen Spinnrotor
SE530270C2 (sv) * 2006-03-10 2008-04-15 Lind Finance & Dev Ab Verktyg med en drivdel anordnad mellan ett fluidlager och den verktygsförsedda änden
SE530271C2 (sv) * 2006-03-10 2008-04-15 Lind Finance & Dev Ab Verktyg med fluidlager där det verktygsförsedda skaftet är lösbart kopplat
SE530269C2 (sv) * 2006-03-10 2008-04-15 Lind Finance & Dev Ab Verktyg med en drivdel anordnad mellan ett fluidlager och verktygsdelen
GB2467168B (en) * 2009-01-26 2011-03-16 Air Bearings Ltd Gas bearing and method of manufacturing the same
US11221039B2 (en) 2017-01-09 2022-01-11 Hamilton Sundstrand Corporation Bearing assembly with surface layer
DE102020104409A1 (de) * 2020-02-19 2021-08-19 Schenck Rotec Gmbh Aerostatisches Lager für einen Rotor, insbesondere in einer Auswuchtmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE388064A (fr) * 1931-12-11
DE1296390B (de) * 1964-11-17 1969-05-29 Electronic Mbh Kreiselgeraet
FR1550114A (fr) * 1966-09-22 1968-12-20
FR1523585A (fr) * 1967-05-05 1968-05-03 Perfectionnements aux paliers fluides
DE1288368B (de) * 1967-08-04 1969-01-30 W U H Gessner Fa Kugelrolle
US3466951A (en) * 1968-01-15 1969-09-16 Babcock & Wilcox Co Machine tools and instruments
GB1171571A (en) * 1968-02-06 1969-11-19 Sp Mfg Corp Machine Tools
US3493273A (en) * 1968-02-09 1970-02-03 Babcock & Wilcox Co Hydrostatic machine tool spindle
JPH0726650B2 (ja) * 1989-01-20 1995-03-29 エヌティエヌ株式会社 静圧気体軸受スピンドル
GB2246176B (en) * 1990-07-17 1994-06-01 Ntn Toyo Bearing Co Ltd Spindle assembly
DE4336915C2 (de) * 1993-10-28 1996-09-12 Renk Ag Gleitlager-Kombination

Also Published As

Publication number Publication date
GB2302144A (en) 1997-01-08
GB9611247D0 (en) 1996-07-31
GB2302144B (en) 2000-01-12
FR2734744A1 (fr) 1996-12-06
DE19621773A1 (de) 1996-12-05

Similar Documents

Publication Publication Date Title
DE69101976D1 (de) Spindel-Einheit für Werkzeugmaschine.
FR2695333B1 (fr) Outil de poinconnage lubrifie pour poinconneuse.
DE59103068D1 (de) Handwerkzeugmaschine.
FR2720308B1 (fr) Machine pneumatique d'usinage.
AU5629098A (en) Device for removing chips produced by the machining head of a machine tool
DE69711737D1 (de) Hauptspindeleinrichtung für Werkzeugmaschinen
DE59103138D1 (de) Handwerkzeugmaschine.
DE59202970D1 (de) Handwerkzeugmaschine.
DE69200217D1 (de) Werkzeughalter für Werkzeugmaschinen.
DE59608674D1 (de) Spindelantrieb für eine Werkzeugmaschine
DE59701667D1 (de) Werkstückspindeleinrichtung für eine werkzeugmaschine
FR2734744B1 (fr) Broche de palier a air comprime en continu pour des machines de forage, des machines-outils de precision ou analogues
GB2230801B (en) Holder for cutting tool on gallery etc.driving machine
DE59706933D1 (de) Werkstücktisch für eine Werkzeugmaschine
NL1001578C2 (nl) Handgereedschapsmachine.
IT1285627B1 (it) Dispositivo di azionamento per la rotazione di una tavola di una macchina utensile
EP0512205A3 (en) Machine for working rotating workpieces
DE3883680D1 (de) Spindelsystem für werkzeugmaschinen, insbesondere schleifmaschinen.
GB2196278B (en) Precision adjustment head for a machine tool, especially a boring machine or the like
FR2656673B1 (fr) Perfectionnements aux machines d'usinage a broche ou outil rotatif.
ITGE930044A0 (it) Macchina utensile, in particolare tornio.
AU9108791A (en) Barking tool for rotation ring type barking machines
ITTO911001A0 (it) Dispositivo portautensile per macchine lavoratrici di pezzi di rotazione.
KR970021151U (ko) 공작기계의 공구마모 검출장치
EP0458291A3 (en) Machine for working wooden, plastic or similar workpieces

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070131