JPS6028627U - 動圧形スピンドルユニツト - Google Patents

動圧形スピンドルユニツト

Info

Publication number
JPS6028627U
JPS6028627U JP1983121190U JP12119083U JPS6028627U JP S6028627 U JPS6028627 U JP S6028627U JP 1983121190 U JP1983121190 U JP 1983121190U JP 12119083 U JP12119083 U JP 12119083U JP S6028627 U JPS6028627 U JP S6028627U
Authority
JP
Japan
Prior art keywords
bearing
dynamic pressure
spindle unit
pressure type
thrust 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
JP1983121190U
Other languages
English (en)
Other versions
JPS6332417Y2 (ja
Inventor
木全　圭
関沢　昌美
後藤　寅雄
Original Assignee
エヌ・テ−・エヌ東洋ベアリング株式会社
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 エヌ・テ−・エヌ東洋ベアリング株式会社 filed Critical エヌ・テ−・エヌ東洋ベアリング株式会社
Priority to JP1983121190U priority Critical patent/JPS6028627U/ja
Publication of JPS6028627U publication Critical patent/JPS6028627U/ja
Application granted granted Critical
Publication of JPS6332417Y2 publication Critical patent/JPS6332417Y2/ja
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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/02—Sliding-contact bearings
    • F16C23/04—Sliding-contact bearings self-adjusting
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Support Of The Bearing (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は従来の動圧形スピンドルユニットの断面図、第
２図は動圧発生用溝を備えた受面の正面図、第３図はい
まひとつの従来装置の断面図、第４図はこの考案の実施
例たる動圧形スピンドルユニットの断面図、第５図は第
４図の部分拡大図、第６図ないし第８図は各々この考案
の別の実施例を示す第４図と同様の断面図である。 ２０．３０，４０，５０・・・回転軸、２３，３７．４
６，６０・・・支持部材、２４，２５．３２゜３３．４
２，４３．５２，５４．５５，５７・・・受面、２６，
３６，４４，５８，５９・・・凸球面、２７、３５．４
５．５３．５６・・・調心塵、２８，３８．４７，６１
．６２・・・凹所、２９．　３９．　４９・・・環状接
触部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回転軸をラジアル軸受とスラスト軸受とにより支承して
    なり、前記スラスト軸受が回転軸に設けた第１の受面、
    第１の受面と附向協働して平面スパイラル溝付スラスト
    軸受を構成する第２の受面とその反対側に位置する凸球
    面とを備えた調心塵、および前記回転軸と同心に位置し
    前記調心塵の凸球面と係合して環状接触部を形成する円
    錐形の凹所を備えた支持部材を含み、しかして前記平面
    スパイラル前行スラスト軸受における摩擦トルクが前記
    環状接触部における摩擦トルクよりも小さいことを特徴
    とする動圧形スピンドルユニット。
JP1983121190U 1983-08-02 1983-08-02 動圧形スピンドルユニツト Granted JPS6028627U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983121190U JPS6028627U (ja) 1983-08-02 1983-08-02 動圧形スピンドルユニツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983121190U JPS6028627U (ja) 1983-08-02 1983-08-02 動圧形スピンドルユニツト

Publications (2)

Publication Number Publication Date
JPS6028627U true JPS6028627U (ja) 1985-02-26
JPS6332417Y2 JPS6332417Y2 (ja) 1988-08-30

Family

ID=30277469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983121190U Granted JPS6028627U (ja) 1983-08-02 1983-08-02 動圧形スピンドルユニツト

Country Status (1)

Country Link
JP (1) JPS6028627U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011004565A1 (ja) * 2009-07-06 2011-01-13 三菱重工業株式会社 軸受装置、軸受ユニットおよび回転機械

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136553A (ja) * 1974-04-10 1975-10-29
JPS57193418U (ja) * 1981-06-02 1982-12-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136553A (ja) * 1974-04-10 1975-10-29
JPS57193418U (ja) * 1981-06-02 1982-12-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011004565A1 (ja) * 2009-07-06 2011-01-13 三菱重工業株式会社 軸受装置、軸受ユニットおよび回転機械
JP2011012799A (ja) * 2009-07-06 2011-01-20 Mitsubishi Heavy Ind Ltd 軸受装置、軸受ユニットおよび回転機械
CN102362086A (zh) * 2009-07-06 2012-02-22 三菱重工业株式会社 轴承装置、轴承单元及旋转机械

Also Published As

Publication number Publication date
JPS6332417Y2 (ja) 1988-08-30

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