JPH01156843U - - Google Patents

Info

Publication number
JPH01156843U
JPH01156843U JP5278788U JP5278788U JPH01156843U JP H01156843 U JPH01156843 U JP H01156843U JP 5278788 U JP5278788 U JP 5278788U JP 5278788 U JP5278788 U JP 5278788U JP H01156843 U JPH01156843 U JP H01156843U
Authority
JP
Japan
Prior art keywords
rotation speed
air
sensor
control valve
air turbine
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
JP5278788U
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 JP5278788U priority Critical patent/JPH01156843U/ja
Priority to US07/324,149 priority patent/US5020968A/en
Priority to GB8906356A priority patent/GB2218208A/en
Priority to DE3911383A priority patent/DE3911383A1/de
Publication of JPH01156843U publication Critical patent/JPH01156843U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Automatic Control Of Machine Tools (AREA)

Description

【図面の簡単な説明】
第1図は本考案の回転数検出装置を示す図、第
2図は工作物に対する刃物の係脱状態と回転数と
の関係を示す図、第3図は従来のエアスピンドル
を示す断面図、第4図は従来の工作物に対する刃
物の係脱状態と回転数との関係を示す図である。 図中、5はエアタービン、6は空気供給系、1
3は制御弁、14は回転数検出センサ、15は制
御手段である。

Claims (1)

    【実用新案登録請求の範囲】
  1. エアスピンドルにエアタービンを回転駆動させ
    るために接続される空気供給系に設けられ、エア
    タービンに供給される空気量を調節するための制
    御弁と、上記エアタービンの回転数を検出する回
    転数検出センサと、該センサから得られる回転数
    と予め設定された回転数とを比較してその比較値
    に応じて上記制御弁の開度量を増減するための制
    御手段とを備えたことを特徴とするエアスピンド
    ルの回転数制御装置。
JP5278788U 1988-04-15 1988-04-21 Pending JPH01156843U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5278788U JPH01156843U (ja) 1988-04-21 1988-04-21
US07/324,149 US5020968A (en) 1988-04-15 1989-03-16 System for controlling the rotating speed of a pneumatically driven spindle
GB8906356A GB2218208A (en) 1988-04-15 1989-03-20 Detecting and controlling the rotational speed of a pneumatically driven spindle
DE3911383A DE3911383A1 (de) 1988-04-15 1989-04-07 Einrichtung zum erfassen und steuern der drehzahl einer pneumatisch angetriebenen spindel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5278788U JPH01156843U (ja) 1988-04-21 1988-04-21

Publications (1)

Publication Number Publication Date
JPH01156843U true JPH01156843U (ja) 1989-10-27

Family

ID=31278786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5278788U Pending JPH01156843U (ja) 1988-04-15 1988-04-21

Country Status (1)

Country Link
JP (1) JPH01156843U (ja)

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