JPH0340002U - - Google Patents

Info

Publication number
JPH0340002U
JPH0340002U JP10231089U JP10231089U JPH0340002U JP H0340002 U JPH0340002 U JP H0340002U JP 10231089 U JP10231089 U JP 10231089U JP 10231089 U JP10231089 U JP 10231089U JP H0340002 U JPH0340002 U JP H0340002U
Authority
JP
Japan
Prior art keywords
main shaft
main
spindle
radial direction
concave portion
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
JP10231089U
Other languages
English (en)
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 JP10231089U priority Critical patent/JPH0340002U/ja
Publication of JPH0340002U publication Critical patent/JPH0340002U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Turning (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第1図は
主軸装置の全体断面図、第2図は第1図において
−線で断面した図である。 1……主軸、2……主軸スピンドル、2a……
凸部、3……主軸シヤトフ、3a……凹部、17
……主軸駆動モータ、25……静圧油軸受。

Claims (1)

    【実用新案登録請求の範囲】
  1. 鉄系の材料により形成された主軸シヤフト及び
    セラミツクスにより形成された主軸スピンドルよ
    りなる主軸と、前記主軸シヤフトに嵌合固定され
    るロータを有する主軸駆動モータを備えてなる主
    軸装置において、前記主軸シヤフトと前記主軸ス
    ピンドルの一方に半径方向に伸びる凹部を形成し
    、他方にこの凹部に嵌合される半径方向に伸びる
    凸部を形成し、その合わせ面に油圧を介して前記
    主軸シヤフトから前記主軸スピンドルへ回転力を
    伝達できるように静圧油軸受を設けたことを特徴
    とする主軸装置。
JP10231089U 1989-08-31 1989-08-31 Pending JPH0340002U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10231089U JPH0340002U (ja) 1989-08-31 1989-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10231089U JPH0340002U (ja) 1989-08-31 1989-08-31

Publications (1)

Publication Number Publication Date
JPH0340002U true JPH0340002U (ja) 1991-04-17

Family

ID=31651213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10231089U Pending JPH0340002U (ja) 1989-08-31 1989-08-31

Country Status (1)

Country Link
JP (1) JPH0340002U (ja)

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