JPS6128407B2 - - Google Patents

Info

Publication number
JPS6128407B2
JPS6128407B2 JP56027046A JP2704681A JPS6128407B2 JP S6128407 B2 JPS6128407 B2 JP S6128407B2 JP 56027046 A JP56027046 A JP 56027046A JP 2704681 A JP2704681 A JP 2704681A JP S6128407 B2 JPS6128407 B2 JP S6128407B2
Authority
JP
Japan
Prior art keywords
signal
reduction position
pressure reduction
hydraulic pressure
pulse
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.)
Expired
Application number
JP56027046A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57142707A (en
Inventor
Hiromichi Ookubo
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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16Adjusting or positioning rolls
    • B21B31/20Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32Adjusting 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 JPS57142707A (en) 1982-09-03
JPS6128407B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS57142707A (en) 1982-09-03

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