EP0151675A3 - Method of automatically controlling the rate of reduction in a rolling mill - Google Patents
Method of automatically controlling the rate of reduction in a rolling mill Download PDFInfo
- Publication number
- EP0151675A3 EP0151675A3 EP84107573A EP84107573A EP0151675A3 EP 0151675 A3 EP0151675 A3 EP 0151675A3 EP 84107573 A EP84107573 A EP 84107573A EP 84107573 A EP84107573 A EP 84107573A EP 0151675 A3 EP0151675 A3 EP 0151675A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- reduction
- rate
- rolling mill
- automatically controlling
- automatically
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/18—Automatic gauge control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
- B21B1/36—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8484107573T DE3177252D1 (en) | 1981-04-29 | 1981-04-29 | METHOD FOR AUTOMATICALLY CONTROLLING THE THICKNESS REDUCTION IN A ROLLING MILL. |
DE1984107573 DE151675T1 (en) | 1981-04-29 | 1981-04-29 | METHOD FOR AUTOMATICALLY CONTROLLING THE THICKNESS REDUCTION IN A ROLLING MILL. |
EP19840107573 EP0151675B1 (en) | 1981-04-29 | 1981-04-29 | Method of automatically controlling the rate of reduction in a rolling mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19840107573 EP0151675B1 (en) | 1981-04-29 | 1981-04-29 | Method of automatically controlling the rate of reduction in a rolling mill |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81103238.2 Division | 1981-04-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0151675A2 EP0151675A2 (en) | 1985-08-21 |
EP0151675A3 true EP0151675A3 (en) | 1987-11-04 |
EP0151675B1 EP0151675B1 (en) | 1991-07-31 |
Family
ID=8192027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19840107573 Expired EP0151675B1 (en) | 1981-04-29 | 1981-04-29 | Method of automatically controlling the rate of reduction in a rolling mill |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0151675B1 (en) |
DE (2) | DE151675T1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3319444A (en) * | 1964-11-09 | 1967-05-16 | Allegheny Ludlum Steel | Automatic control system for rolling mills and adjustable dies |
LU54783A1 (en) * | 1967-11-03 | 1969-07-07 | ||
LU56094A1 (en) * | 1968-05-16 | 1970-01-14 | ||
US3624369A (en) * | 1969-08-04 | 1971-11-30 | Ruloff F Kip Jr | Thickness reduction control systems |
FR2095254A1 (en) * | 1970-06-15 | 1972-02-11 | Allegheny Ludlum Ind Inc | |
FR2101263A5 (en) * | 1970-07-06 | 1972-03-31 | Jeumont Schneider | Strip thickness continuous control appts - using an analogue retarding appts a slow correction loop and an automatic adjustment loop |
US4244025A (en) * | 1979-03-20 | 1981-01-06 | Alshuk Thomas J | Rolling mill gauge control system |
US4428054A (en) * | 1979-11-05 | 1984-01-24 | Kawasaki Steel Corporation | Automatic control methods and devices for rolling hills |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5666314A (en) * | 1979-11-05 | 1981-06-04 | Kawasaki Steel Corp | Automatic controlling method for draft percentage of rolling mill |
JPS57181711A (en) * | 1981-05-01 | 1982-11-09 | Kawasaki Steel Corp | Automatically controlling method of draft of rolling mill |
-
1981
- 1981-04-29 DE DE1984107573 patent/DE151675T1/en active Pending
- 1981-04-29 EP EP19840107573 patent/EP0151675B1/en not_active Expired
- 1981-04-29 DE DE8484107573T patent/DE3177252D1/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3319444A (en) * | 1964-11-09 | 1967-05-16 | Allegheny Ludlum Steel | Automatic control system for rolling mills and adjustable dies |
LU54783A1 (en) * | 1967-11-03 | 1969-07-07 | ||
LU56094A1 (en) * | 1968-05-16 | 1970-01-14 | ||
US3624369A (en) * | 1969-08-04 | 1971-11-30 | Ruloff F Kip Jr | Thickness reduction control systems |
FR2095254A1 (en) * | 1970-06-15 | 1972-02-11 | Allegheny Ludlum Ind Inc | |
FR2101263A5 (en) * | 1970-07-06 | 1972-03-31 | Jeumont Schneider | Strip thickness continuous control appts - using an analogue retarding appts a slow correction loop and an automatic adjustment loop |
US4244025A (en) * | 1979-03-20 | 1981-01-06 | Alshuk Thomas J | Rolling mill gauge control system |
US4428054A (en) * | 1979-11-05 | 1984-01-24 | Kawasaki Steel Corporation | Automatic control methods and devices for rolling hills |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN, vol. 5, no. 127 (M-83)[799], 15th August 1981; & JP-A-56 066 314 (KAWASAKI SEITETSU K.K.) 04-06-1981 * |
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 25 (M-190)[1170], 2nd February 1983; & JP-A-57 181 711 (KAWASAKI SEITETSU K.K.) 09-11-1982 * |
Also Published As
Publication number | Publication date |
---|---|
EP0151675A2 (en) | 1985-08-21 |
DE151675T1 (en) | 1986-02-27 |
DE3177252D1 (en) | 1991-09-05 |
EP0151675B1 (en) | 1991-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57122951A (en) | Vertical roller mill and its controlling method | |
DE3273146D1 (en) | Rolling mill | |
DE3176480D1 (en) | Method for controlling the automatic rolling of pipes in a reeling mill | |
AU563192B2 (en) | Controlling the temperature of rods in a rolling mill | |
DE3263646D1 (en) | Rolling mill | |
DE3266724D1 (en) | Rolling mill stand | |
GB8326652D0 (en) | Rolling mill | |
GB2159446B (en) | Method of controlling an edging opening in a rolling mill | |
JPS57140658A (en) | Roller mill | |
DE3478903D1 (en) | Rolling mill | |
GB2143341B (en) | Rolling mills | |
AU548743B2 (en) | Controlling the rolling speed of a rolling mill | |
GB8415722D0 (en) | Rolling mill | |
EP0151675A3 (en) | Method of automatically controlling the rate of reduction in a rolling mill | |
JPS5747507A (en) | Rolling mill and its woeking method | |
GB2135614B (en) | Rolling mills | |
GB2094687B (en) | Rolling mill rolls | |
GB8401320D0 (en) | Rolling mills | |
JPS57197043A (en) | Roller mill | |
GB2080719B (en) | Rolling mill control | |
DE3174969D1 (en) | Automatic control methods and devices for rolling mills | |
DE3272029D1 (en) | Control device for successive rolling mill | |
GB8409457D0 (en) | Rolling mill | |
JPS57199504A (en) | Reversing rolling mill | |
DE3363720D1 (en) | Method for controlling edge taper in metal rolling mill |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19840629 |
|
AC | Divisional application: reference to earlier application |
Ref document number: 63633 Country of ref document: EP |
|
AK | Designated contracting states |
Designated state(s): DE FR GB |
|
EL | Fr: translation of claims filed | ||
DET | De: translation of patent claims | ||
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB |
|
17Q | First examination report despatched |
Effective date: 19891116 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AC | Divisional application: reference to earlier application |
Ref document number: 63633 Country of ref document: EP |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REF | Corresponds to: |
Ref document number: 3177252 Country of ref document: DE Date of ref document: 19910905 |
|
ET | Fr: translation filed | ||
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
26 | Opposition filed |
Opponent name: SIEMENS AKTIENGESELLSCHAFT Effective date: 19920427 |
|
PLBN | Opposition rejected |
Free format text: ORIGINAL CODE: 0009273 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: OPPOSITION REJECTED |
|
27O | Opposition rejected |
Effective date: 19930511 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19980409 Year of fee payment: 18 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19980420 Year of fee payment: 18 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19980511 Year of fee payment: 18 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990429 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19990429 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19991231 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000201 |