JPH01149246U - - Google Patents

Info

Publication number
JPH01149246U
JPH01149246U JP4517388U JP4517388U JPH01149246U JP H01149246 U JPH01149246 U JP H01149246U JP 4517388 U JP4517388 U JP 4517388U JP 4517388 U JP4517388 U JP 4517388U JP H01149246 U JPH01149246 U JP H01149246U
Authority
JP
Japan
Prior art keywords
spindle
displacement
pressure
pressurizing means
displacement sensor
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
JP4517388U
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 JP4517388U priority Critical patent/JPH01149246U/ja
Publication of JPH01149246U publication Critical patent/JPH01149246U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Automatic Control Of Machine Tools (AREA)
  • Turning (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示し、第1図は静圧軸
受への適用例を示す断面構成図、第2図はころが
り軸受への適用例を示す断面構成図である。 1……主軸台、2……軸受金、3……主軸、1
1……スラスト軸受部を構成する円板部、12,
13……スラスト軸受ポケツト、22……環体、
23,24……変位センサ、31,32……サー
ボ弁、36……変位検出回路、37……演算回路
、38……制御回路、44,45……ピエゾアク
チユエータ、46……電圧制御回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 主軸の工具取付位置付近の部位の主軸台に対す
    る軸方向の変位を検出する変位センサと、 前記主軸のスラスト軸受部に軸方向に圧力を加
    える加圧手段と、 前記変位センサにより検出された主軸の変位位
    置が基準位置となるべく前記加圧手段の圧力を制
    御する圧力制御手段と、 を備えることを特徴とする主軸変位補正装置。
JP4517388U 1988-04-01 1988-04-01 Pending JPH01149246U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4517388U JPH01149246U (ja) 1988-04-01 1988-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4517388U JPH01149246U (ja) 1988-04-01 1988-04-01

Publications (1)

Publication Number Publication Date
JPH01149246U true JPH01149246U (ja) 1989-10-16

Family

ID=31271490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4517388U Pending JPH01149246U (ja) 1988-04-01 1988-04-01

Country Status (1)

Country Link
JP (1) JPH01149246U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012147666A (ja) * 2012-03-02 2012-08-02 Nsk Ltd 回転機構付軸方向微動機構およびそれを用いた位置決め装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127254A (ja) * 1987-11-06 1989-05-19 Seiko Seiki Co Ltd 磁気軸受を主軸にもつ加工装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127254A (ja) * 1987-11-06 1989-05-19 Seiko Seiki Co Ltd 磁気軸受を主軸にもつ加工装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012147666A (ja) * 2012-03-02 2012-08-02 Nsk Ltd 回転機構付軸方向微動機構およびそれを用いた位置決め装置

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