JPS57142707A - Hydraulic press-down position controlling device - Google Patents

Hydraulic press-down position controlling device

Info

Publication number
JPS57142707A
JPS57142707A JP56027046A JP2704681A JPS57142707A JP S57142707 A JPS57142707 A JP S57142707A JP 56027046 A JP56027046 A JP 56027046A JP 2704681 A JP2704681 A JP 2704681A JP S57142707 A JPS57142707 A JP S57142707A
Authority
JP
Japan
Prior art keywords
gate
signal
pulse
press
outputted
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
JP56027046A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6128407B2 (enrdf_load_stackoverflow
Inventor
Hiromichi Okubo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56027046A priority Critical patent/JPS57142707A/ja
Publication of JPS57142707A publication Critical patent/JPS57142707A/ja
Publication of JPS6128407B2 publication Critical patent/JPS6128407B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
JP56027046A 1981-02-27 1981-02-27 Hydraulic press-down position controlling device Granted JPS57142707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027046A JPS57142707A (en) 1981-02-27 1981-02-27 Hydraulic press-down position controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027046A JPS57142707A (en) 1981-02-27 1981-02-27 Hydraulic press-down position controlling device

Publications (2)

Publication Number Publication Date
JPS57142707A true JPS57142707A (en) 1982-09-03
JPS6128407B2 JPS6128407B2 (enrdf_load_stackoverflow) 1986-06-30

Family

ID=12210124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027046A Granted JPS57142707A (en) 1981-02-27 1981-02-27 Hydraulic press-down position controlling device

Country Status (1)

Country Link
JP (1) JPS57142707A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110614279A (zh) * 2019-09-05 2019-12-27 北京科技大学设计研究院有限公司 一种单机架粗轧机自动压头尾控制方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110614279A (zh) * 2019-09-05 2019-12-27 北京科技大学设计研究院有限公司 一种单机架粗轧机自动压头尾控制方法
CN110614279B (zh) * 2019-09-05 2020-09-18 北京科技大学设计研究院有限公司 一种单机架粗轧机自动压头尾控制方法

Also Published As

Publication number Publication date
JPS6128407B2 (enrdf_load_stackoverflow) 1986-06-30

Similar Documents

Publication Publication Date Title
JPS5392002A (en) Control method for water-level in boiler and its device
JPS57142707A (en) Hydraulic press-down position controlling device
JPS5372667A (en) Analogue comparator
JPS5269633A (en) Detector for absence of paper
JPS5414078A (en) Control of stepless speed change press
JPS5285687A (en) Digital calculation control device
JPS53108860A (en) Zigzag travel correcting method
JPS537090A (en) Device for controlling man conveyor
JPS53142750A (en) Method of detecting landing of hung load of crane, etc.
JPS5433056A (en) Display device
JPS522396A (en) Sea-surface-reflection-disturbance-eliminating method
JPS53139074A (en) Numerical control device
JPS54109891A (en) Radiation monitoring device
JPS545549A (en) Voltage supervisory unit
JPS5791900A (en) Displacement detector for trimming press
JPS541263A (en) Rolling control apparatus
JPS53149850A (en) Residual quantity detector for uncoiler
JPS51147912A (en) Signal extracting apparatus
JPS53148951A (en) Detector for pulse input time duration
JPS5426766A (en) Deformation measurment of press roll
JPS57142564A (en) Angular speed sensing device for steering
JPS5623530A (en) Automatic speed controller
JPS5386208A (en) Photograph aperture control method
JPS5662610A (en) Thickness control method of trailing part of strip
JPS5332729A (en) Object distance detector and automatic focus control device by use of detector