JPS6432917U - - Google Patents

Info

Publication number
JPS6432917U
JPS6432917U JP12748587U JP12748587U JPS6432917U JP S6432917 U JPS6432917 U JP S6432917U JP 12748587 U JP12748587 U JP 12748587U JP 12748587 U JP12748587 U JP 12748587U JP S6432917 U JPS6432917 U JP S6432917U
Authority
JP
Japan
Prior art keywords
preload
rolling bearing
rear rolling
applying
fixed position
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
JP12748587U
Other languages
English (en)
Other versions
JPH0453457Y2 (ja
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 filed Critical
Priority to JP12748587U priority Critical patent/JPH0453457Y2/ja
Publication of JPS6432917U publication Critical patent/JPS6432917U/ja
Application granted granted Critical
Publication of JPH0453457Y2 publication Critical patent/JPH0453457Y2/ja
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Support Of The Bearing (AREA)

Description

【図面の簡単な説明】
第１図は本考案のスピンドルユニツトの構造を
示す断面図であり、第２図は本考案のスピンドル
ユニツトの予圧機構の部分図である。 〔主要部分の符号の説明〕、１：ハウジング、
２：主軸、３，４：ころがり軸受、５：軸受スリ
ーブ、６：予圧ばね、７：油圧ピストン、１１：
定位置予圧調整間座、１３：バイアスばね。

Claims (1)

    【実用新案登録請求の範囲】
  1. ハウジングと、該ハウジングに一端を前部ころ
    がり軸受、他端を後部ころがり軸受を嵌合した軸
    受スリーブを介して支持される主軸と、前記軸受
    スリーブを軸方向に付勢して前記後部ころがり軸
    受に予圧を付加する予圧手段とを有するスピンド
    ルユニツトにおいて、前記軸受スリーブを軸方向
    に付勢し前記後部ころがり軸受に定圧予圧を付加
    する予圧ばねと、前記軸受スリーブを定位置予圧
    調整間座を介して軸方向定位置まで押圧し前記後
    部ころがり軸受に定位置予圧を付加する油圧ピス
    トンと、前記定位置予圧調整間座を前記油圧ピス
    トンの付勢方向に対して逆の方向に付勢するバイ
    アスばねとを備えたことを特徴とするスピンドル
    ユニツト。
JP12748587U 1987-08-24 1987-08-24 Expired JPH0453457Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12748587U JPH0453457Y2 (ja) 1987-08-24 1987-08-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12748587U JPH0453457Y2 (ja) 1987-08-24 1987-08-24

Publications (2)

Publication Number Publication Date
JPS6432917U true JPS6432917U (ja) 1989-03-01
JPH0453457Y2 JPH0453457Y2 (ja) 1992-12-16

Family

ID=31379963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12748587U Expired JPH0453457Y2 (ja) 1987-08-24 1987-08-24

Country Status (1)

Country Link
JP (1) JPH0453457Y2 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379205A (ja) * 1989-08-17 1991-04-04 Nippon Seiko Kk 予圧可変スピンドル
JP2012045638A (ja) * 2010-08-24 2012-03-08 Nsk Ltd 予圧可変式スピンドル
JP2012106324A (ja) * 2010-11-19 2012-06-07 Nsk Ltd 予圧可変式スピンドル
EP3020507A4 (en) * 2013-07-12 2017-04-19 Echo Tech Co., Ltd. Bearing variable preload system utilizing gap between strokes for preload adjustment and elastic deformation of sealing member
WO2024090498A1 (ja) * 2022-10-28 2024-05-02 日本精工株式会社 回転支持装置、及び軸支持装置の支持機構位置調整機構
JPWO2024090499A1 (ja) * 2022-10-28 2024-05-02

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379205A (ja) * 1989-08-17 1991-04-04 Nippon Seiko Kk 予圧可変スピンドル
JP2012045638A (ja) * 2010-08-24 2012-03-08 Nsk Ltd 予圧可変式スピンドル
JP2012106324A (ja) * 2010-11-19 2012-06-07 Nsk Ltd 予圧可変式スピンドル
EP3020507A4 (en) * 2013-07-12 2017-04-19 Echo Tech Co., Ltd. Bearing variable preload system utilizing gap between strokes for preload adjustment and elastic deformation of sealing member
WO2024090498A1 (ja) * 2022-10-28 2024-05-02 日本精工株式会社 回転支持装置、及び軸支持装置の支持機構位置調整機構
JPWO2024090499A1 (ja) * 2022-10-28 2024-05-02
JPWO2024090498A1 (ja) * 2022-10-28 2024-05-02
WO2024090499A1 (ja) * 2022-10-28 2024-05-02 日本精工株式会社 回転支持装置、及び軸支持装置の支持機構位置調整機構

Also Published As

Publication number Publication date
JPH0453457Y2 (ja) 1992-12-16

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