JPS53122085A - Controlling method of oil hydraulic cylinder in iron-manufacturing machineries - Google Patents

Controlling method of oil hydraulic cylinder in iron-manufacturing machineries

Info

Publication number
JPS53122085A
JPS53122085A JP3633677A JP3633677A JPS53122085A JP S53122085 A JPS53122085 A JP S53122085A JP 3633677 A JP3633677 A JP 3633677A JP 3633677 A JP3633677 A JP 3633677A JP S53122085 A JPS53122085 A JP S53122085A
Authority
JP
Japan
Prior art keywords
iron
hydraulic cylinder
oil hydraulic
controlling method
machineries
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
JP3633677A
Other languages
Japanese (ja)
Inventor
Yoshito Nishi
Shigenobu Suzuki
Hirotoshi Hayashi
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.)
Nippon Steel Corp
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
Sumitomo Metal Industries 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 Sumitomo Heavy Industries Ltd, Sumitomo Metal Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP3633677A priority Critical patent/JPS53122085A/en
Publication of JPS53122085A publication Critical patent/JPS53122085A/en
Pending legal-status Critical Current

Links

Landscapes

  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: To scheme to elevate or lower the lower roll horizontally by alligning more than two hydraulic cylinders each other by supplying input signals having a smaller step width to a servo valve by steps or supplying input signals having a gradient.
COPYRIGHT: (C)1978,JPO&Japio
JP3633677A 1977-03-31 1977-03-31 Controlling method of oil hydraulic cylinder in iron-manufacturing machineries Pending JPS53122085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3633677A JPS53122085A (en) 1977-03-31 1977-03-31 Controlling method of oil hydraulic cylinder in iron-manufacturing machineries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3633677A JPS53122085A (en) 1977-03-31 1977-03-31 Controlling method of oil hydraulic cylinder in iron-manufacturing machineries

Publications (1)

Publication Number Publication Date
JPS53122085A true JPS53122085A (en) 1978-10-25

Family

ID=12466977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3633677A Pending JPS53122085A (en) 1977-03-31 1977-03-31 Controlling method of oil hydraulic cylinder in iron-manufacturing machineries

Country Status (1)

Country Link
JP (1) JPS53122085A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012528279A (en) * 2009-05-29 2012-11-12 メッツォ ペーパー インコーポレイテッド Digital hydraulic pressure control device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS497437U (en) * 1972-04-21 1974-01-22
JPS5183976A (en) * 1975-01-21 1976-07-22 Daido Machinery Roorupendaaniokeru denkyuatsusaaboseigyohoshikinyoru yuatsushokokiko

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS497437U (en) * 1972-04-21 1974-01-22
JPS5183976A (en) * 1975-01-21 1976-07-22 Daido Machinery Roorupendaaniokeru denkyuatsusaaboseigyohoshikinyoru yuatsushokokiko

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012528279A (en) * 2009-05-29 2012-11-12 メッツォ ペーパー インコーポレイテッド Digital hydraulic pressure control device

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