FR2259663A2 - Spindle bearing for machine tool - Google Patents

Spindle bearing for machine tool

Info

Publication number
FR2259663A2
FR2259663A2 FR7403218A FR7403218A FR2259663A2 FR 2259663 A2 FR2259663 A2 FR 2259663A2 FR 7403218 A FR7403218 A FR 7403218A FR 7403218 A FR7403218 A FR 7403218A FR 2259663 A2 FR2259663 A2 FR 2259663A2
Authority
FR
France
Prior art keywords
axial
extension
varying
stop ring
bearing
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.)
Granted
Application number
FR7403218A
Other languages
French (fr)
Other versions
FR2259663B2 (en
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.)
PRECISION INDUSTRIELLE
Original Assignee
PRECISION INDUSTRIELLE
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 to FR865262A priority Critical patent/FR1300201A/en
Priority to US202148A priority patent/US3144283A/en
Priority to GB22882/62A priority patent/GB945923A/en
Priority to DEP29641A priority patent/DE1289384B/en
Priority to FR7403218A priority patent/FR2259663A2/en
Application filed by PRECISION INDUSTRIELLE filed Critical PRECISION INDUSTRIELLE
Priority to IT67106/75A priority patent/IT1027313B/en
Priority to US05/542,787 priority patent/US3948577A/en
Priority to GB3002/75A priority patent/GB1491132A/en
Priority to JP50012961A priority patent/JPS5754266B2/ja
Priority to DE19752503858 priority patent/DE2503858C3/en
Publication of FR2259663A2 publication Critical patent/FR2259663A2/en
Application granted granted Critical
Publication of FR2259663B2 publication Critical patent/FR2259663B2/fr
Granted 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
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F16C25/08—Ball or roller bearings self-adjusting
    • F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
    • 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
    • B23Q1/262—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 with means to adjust the distance between the relatively slidable members
    • B23Q1/265—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 with means to adjust the distance between the relatively slidable members between rotating 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
    • F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
    • 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 build up of machine tools, e.g. spindles, slides, actuators

Abstract

The outer ball race of the bearing on the side away from the working end of the spindle has a cylindrical extension. An externally adjustable axial hydraulic force is added to the axial force exerted by springs located in axial boreholes arranged around the circumference of the extension. Variation of the clamping action is attained by varying the axial position of a stop ring when varying the initial position of the springs. This stop ring is formed from a flange bushing set into the bearing mounting. The axial extension slides on the weaker cross section of the bushing whereby the intermediary annular space then formed is coupled to a line maintained under fluid pressure.
FR7403218A 1961-06-17 1974-01-31 Spindle bearing for machine tool Granted FR2259663A2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR865262A FR1300201A (en) 1961-06-17 1961-06-17 Improvement in the assembly of machine tool spindles
US202148A US3144283A (en) 1961-06-17 1962-06-13 Machine tool spindle bearing assemblies
GB22882/62A GB945923A (en) 1961-06-17 1962-06-14 Improvements in or relating to machine tool spindle bearing assemblies
DEP29641A DE1289384B (en) 1961-06-17 1962-06-18 Spindle bearing for machine tools with rotating workpiece or tool spindle
FR7403218A FR2259663A2 (en) 1974-01-31 1974-01-31 Spindle bearing for machine tool
IT67106/75A IT1027313B (en) 1961-06-17 1975-01-17 IMPROVEMENTS IN MANDARIN SUPPORTS FOR MACHINE TOOLS
US05/542,787 US3948577A (en) 1961-06-17 1975-01-21 Spindle assemblies for machine tools
GB3002/75A GB1491132A (en) 1961-06-17 1975-01-23 Machine tool spindle assemblies
JP50012961A JPS5754266B2 (en) 1961-06-17 1975-01-30
DE19752503858 DE2503858C3 (en) 1974-01-31 1975-01-30 Spindle bearing for a machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7403218A FR2259663A2 (en) 1974-01-31 1974-01-31 Spindle bearing for machine tool

Publications (2)

Publication Number Publication Date
FR2259663A2 true FR2259663A2 (en) 1975-08-29
FR2259663B2 FR2259663B2 (en) 1978-03-10

Family

ID=9134278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403218A Granted FR2259663A2 (en) 1961-06-17 1974-01-31 Spindle bearing for machine tool

Country Status (1)

Country Link
FR (1) FR2259663A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464788A1 (en) * 1979-09-13 1981-03-20 Precision Industrielle BEARING FOR THE PIN OF A HIGH-PRECISION MACHINE TOOL
EP0474902A1 (en) * 1990-09-12 1992-03-18 Kitamura Machinery Co.,Ltd. A preload control apparatus for bearings
EP2269767A1 (en) * 2009-07-03 2011-01-05 Jtekt Corporation Spindle device for machine tool with preload adjustment of the bearing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464788A1 (en) * 1979-09-13 1981-03-20 Precision Industrielle BEARING FOR THE PIN OF A HIGH-PRECISION MACHINE TOOL
EP0025758A1 (en) * 1979-09-13 1981-03-25 La Precision Industrielle Bearing for the spindle of a high-precision machine tool
EP0474902A1 (en) * 1990-09-12 1992-03-18 Kitamura Machinery Co.,Ltd. A preload control apparatus for bearings
EP2269767A1 (en) * 2009-07-03 2011-01-05 Jtekt Corporation Spindle device for machine tool with preload adjustment of the bearing

Also Published As

Publication number Publication date
FR2259663B2 (en) 1978-03-10

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