JPH03117545U - - Google Patents

Info

Publication number
JPH03117545U
JPH03117545U JP2476890U JP2476890U JPH03117545U JP H03117545 U JPH03117545 U JP H03117545U JP 2476890 U JP2476890 U JP 2476890U JP 2476890 U JP2476890 U JP 2476890U JP H03117545 U JPH03117545 U JP H03117545U
Authority
JP
Japan
Prior art keywords
proportional solenoid
deviation
hydraulic cylinder
switching valve
position 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
JP2476890U
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 JP2476890U priority Critical patent/JPH03117545U/ja
Publication of JPH03117545U publication Critical patent/JPH03117545U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の平面研削盤の模式図、第2
図は従来の平面研削盤の模式図である。 1……テーブル、2……油圧シリンダ、3……
位置センサ、7,33……減算回路、21……絞
り切換弁、23……スプール、25……比例ソレ
ノイド、26……コイル、27……プランジヤ。

Claims (1)

  1. 【実用新案登録請求の範囲】 テーブルと、 上記テーブルを往復駆動する油圧シリンダと、 上記テーブルの位置を検出する位置センサと、 電流値に比例した吸引力を有する比例ソレノイ
    ドによつてスプールが直接駆動され、上記油圧シ
    リンダの作動方向および速度を制御する比例ソレ
    ノイド直動型絞り切換弁と、 指令信号と上記位置センサの出力との偏差を算
    出して、この偏差を表わす信号を上記絞り切換弁
    の比例ソレノイドに出力する減算回路とを備えた
    ことを特徴とする平面研削盤。
JP2476890U 1990-03-12 1990-03-12 Pending JPH03117545U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2476890U JPH03117545U (ja) 1990-03-12 1990-03-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2476890U JPH03117545U (ja) 1990-03-12 1990-03-12

Publications (1)

Publication Number Publication Date
JPH03117545U true JPH03117545U (ja) 1991-12-04

Family

ID=31527720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2476890U Pending JPH03117545U (ja) 1990-03-12 1990-03-12

Country Status (1)

Country Link
JP (1) JPH03117545U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009029491A (ja) * 2007-07-30 2009-02-12 Toyo Aluminum Ekco Products Kk 食品の鮮度を保持するための包装紙
WO2013153836A1 (ja) * 2012-04-12 2013-10-17 住友重機械工業株式会社 平面研削盤

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009029491A (ja) * 2007-07-30 2009-02-12 Toyo Aluminum Ekco Products Kk 食品の鮮度を保持するための包装紙
WO2013153836A1 (ja) * 2012-04-12 2013-10-17 住友重機械工業株式会社 平面研削盤
JP2013220481A (ja) * 2012-04-12 2013-10-28 Sumitomo Heavy Ind Ltd 平面研削盤

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