JPS56150614A - Spindle device - Google Patents

Spindle device

Info

Publication number
JPS56150614A
JPS56150614A JP5300480A JP5300480A JPS56150614A JP S56150614 A JPS56150614 A JP S56150614A JP 5300480 A JP5300480 A JP 5300480A JP 5300480 A JP5300480 A JP 5300480A JP S56150614 A JPS56150614 A JP S56150614A
Authority
JP
Japan
Prior art keywords
prepressing
coil
spring
length
risen
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
JP5300480A
Other languages
Japanese (ja)
Inventor
Chikaya Nakamura
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.)
NSK Ltd
Original Assignee
NSK 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 NSK Ltd filed Critical NSK Ltd
Priority to JP5300480A priority Critical patent/JPS56150614A/en
Publication of JPS56150614A publication Critical patent/JPS56150614A/en
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
    • 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

Abstract

PURPOSE:To reduce the prepressing of a bearing and enable a high-speed rotation by a method wherein a prepressing spring and a configuration memorizing alloy coil are arranged in series in the axial direction thereof and the length of the coil is shortened as they are rotated and the temperature thereof is risen, thus, the prepressing spring is lengthened relatively. CONSTITUTION:A sleeve 12 is slidably fitted within the large inner diametral section 24 of the aft part of a main body and the configuration memorizing alloy coil 19 is accommodated in the annular hole 25 thereof while both ends of the coil are contacted with the bottom of the annular hold 25 and one surface of a spring receiving seat 21 and the prepressing spring 20 is contacted with the other surface of the spring receiving seat 21. The prepressing spring 20 presses the sleeve 12 through the coil 19. When a shaft 1 is rotated, the bearings 3, 4 are heated, the coil 19 is contracted in its length as the temperature is risen and the length of the prepressing spring 20 is elongated under being compressed relatively, as a result, the amount of the bearing prepressing is reduced.
JP5300480A 1980-04-23 1980-04-23 Spindle device Pending JPS56150614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5300480A JPS56150614A (en) 1980-04-23 1980-04-23 Spindle device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5300480A JPS56150614A (en) 1980-04-23 1980-04-23 Spindle device

Publications (1)

Publication Number Publication Date
JPS56150614A true JPS56150614A (en) 1981-11-21

Family

ID=12930761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5300480A Pending JPS56150614A (en) 1980-04-23 1980-04-23 Spindle device

Country Status (1)

Country Link
JP (1) JPS56150614A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188015A (en) * 1984-10-08 1986-05-06 Nippon Seiko Kk Pre-load controlling spindle unit
JPS61121802A (en) * 1984-11-15 1986-06-09 Koyo Seiko Co Ltd Antifriction bearing for machine tool spindle
JPS61501760A (en) * 1984-10-11 1986-08-21 エルリコン−ベ−リンゲル　ゲ−エムベ−ハ− Ex-stress loading device for axially pre-stressed bearings
JPS639720A (en) * 1986-06-30 1988-01-16 Nippon Seiko Kk Gap correcting device for rolling bearing
JPH02256922A (en) * 1989-03-30 1990-10-17 Kitamura Mach Co Ltd Pre-load device for bearing
FR2648200A1 (en) * 1989-06-09 1990-12-14 Aerospatiale Method and device for releasing a preload initially applied to a mechanism such as a rolling bearing on board a spacecraft
FR2667842A1 (en) * 1990-10-15 1992-04-17 Aerospatiale ROTARY MECHANISM OF SPATIAL VEHICLE, WITH INTEGRATED STACKING SYSTEM.
JP2015178168A (en) * 2014-02-28 2015-10-08 日本精工株式会社 Main spindle device
JP2015178167A (en) * 2014-02-28 2015-10-08 日本精工株式会社 Main spindle device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188015A (en) * 1984-10-08 1986-05-06 Nippon Seiko Kk Pre-load controlling spindle unit
JPH0524366B2 (en) * 1984-10-08 1993-04-07 Nippon Seiko Kk
JPS61501760A (en) * 1984-10-11 1986-08-21 エルリコン−ベ−リンゲル　ゲ−エムベ−ハ− Ex-stress loading device for axially pre-stressed bearings
JPS61121802A (en) * 1984-11-15 1986-06-09 Koyo Seiko Co Ltd Antifriction bearing for machine tool spindle
JPS639720A (en) * 1986-06-30 1988-01-16 Nippon Seiko Kk Gap correcting device for rolling bearing
JPH02256922A (en) * 1989-03-30 1990-10-17 Kitamura Mach Co Ltd Pre-load device for bearing
FR2648200A1 (en) * 1989-06-09 1990-12-14 Aerospatiale Method and device for releasing a preload initially applied to a mechanism such as a rolling bearing on board a spacecraft
FR2667842A1 (en) * 1990-10-15 1992-04-17 Aerospatiale ROTARY MECHANISM OF SPATIAL VEHICLE, WITH INTEGRATED STACKING SYSTEM.
US5261632A (en) * 1990-10-15 1993-11-16 Aerospatiale Societe Nationale Industrielle Rotary mechanism of a space vehicle having an integrated stacking system
JP2015178168A (en) * 2014-02-28 2015-10-08 日本精工株式会社 Main spindle device
JP2015178167A (en) * 2014-02-28 2015-10-08 日本精工株式会社 Main spindle device

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