GB1149236A - Prestressed rolling mill - Google Patents

Prestressed rolling mill

Info

Publication number
GB1149236A
GB1149236A GB18586/65A GB1858665A GB1149236A GB 1149236 A GB1149236 A GB 1149236A GB 18586/65 A GB18586/65 A GB 18586/65A GB 1858665 A GB1858665 A GB 1858665A GB 1149236 A GB1149236 A GB 1149236A
Authority
GB
United Kingdom
Prior art keywords
gauge
mill
prestressing force
chocks
amplifier
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
GB18586/65A
Inventor
Peter Richard Ashworth Briggs
Clifford Sturdy
John Dowsing
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.)
Davy Loewy Ltd
Original Assignee
Davy Loewy 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
Priority to DENDAT1526626 priority Critical patent/DE1526626A1/de
Application filed by Davy Loewy Ltd filed Critical Davy Loewy Ltd
Priority to GB18586/65A priority patent/GB1149236A/en
Priority to DE19661527626 priority patent/DE1527626A1/en
Priority to US581399A priority patent/US3464245A/en
Priority to DE19661527627 priority patent/DE1527627A1/en
Priority to FR60115A priority patent/FR1478255A/en
Publication of GB1149236A publication Critical patent/GB1149236A/en
Expired legal-status Critical Current

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
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/64—Mill spring or roll spring compensation systems, e.g. control of prestressed mill stands
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

1,149,236. Rolling. DAVY & UNITED ENG. CO. Ltd. 26 April, 1966 [3 May, 1965], No. 18586/65. Heading B3M. [Also in Division G3] A prestressed rolling mill includes a mechanism for automatically controlling the prestressing force, to maintain the thickness of a rolled product constant, a mechanical screwdown for the mill being automatically operated if the prestressing force departs from a given range. Hydraulic prestressing jacks 27, 28 are positioned between the backing chocks 14, 15 of backing rolls 15, 16, work rolls 25, 26 being positioned within chocks 23, 24 located within the chocks 14, 15. Further jacks 31-33 act between the various chocks, all the jacks being supplied with oil from a pump 60, Fig. 1, via appropriate valves 63A and 63 and 71. For setting up the mill the prestressing force applied to the jacks 27, 28 is kept constant while the screws 20 are automatically adjusted to provide a constant workpiece gauge, while for running the mill, the screws remain in position (except when the prestressing force departs from its given range) and the gauge control is effected by varying the prestressing force. During setting up, switch 76 is charged to " set up " and the valve 71 is controlled by a differencing circuit 75, the pressure in rams 27, 28 being maintained at a value set manually at 77. Variations in this pressure as measured by a load cell 30 cause a difference signal to appear at amplifier 78 to modify the pressure. A gauge error signal is simultaneously fed from amplifier 81 to a gate unit (85), Fig. 3, the signal causing operation of contactors 36 to vary the screwdown, if the gauge error exceeds a manually adjusted gate width value set at 86. When a meter 99 indicates that the mill is running on-gauge the switches 76 and 84 are changed over so that a gauge error signal is fed to amplifier 78 to control the valve 71. The gauge error signal is compounded of signals from load cells 30 and 21, from synchros 37, 40 sensing the screw position, and from a manually set device 96 indicating the desired gauge. A further signal from a thickness gauge 103 or 104 is fed through a monitor integrator 107 to cause a long term adjustment of amplifier 81 for ongauge rolling. A potentiometer 46 is adjusted initially so that when the work rolls just touch each other the gauge error signal is zero.
GB18586/65A 1965-05-03 1965-05-03 Prestressed rolling mill Expired GB1149236A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DENDAT1526626 DE1526626A1 (en) 1965-05-03
GB18586/65A GB1149236A (en) 1965-05-03 1965-05-03 Prestressed rolling mill
DE19661527626 DE1527626A1 (en) 1965-05-03 1966-04-30 Control for prestressed rolling mills
US581399A US3464245A (en) 1965-05-03 1966-05-02 Rolling mill having a controlled hydraulic prestress range and other gap adjusting means for initial operation and for adjustment to said range
DE19661527627 DE1527627A1 (en) 1965-05-03 1966-05-02 Regulation for prestressed rolling mills
FR60115A FR1478255A (en) 1965-05-03 1966-05-03 Rolling mill prestressing cage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18586/65A GB1149236A (en) 1965-05-03 1965-05-03 Prestressed rolling mill

Publications (1)

Publication Number Publication Date
GB1149236A true GB1149236A (en) 1969-04-16

Family

ID=10114999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18586/65A Expired GB1149236A (en) 1965-05-03 1965-05-03 Prestressed rolling mill

Country Status (3)

Country Link
US (1) US3464245A (en)
DE (3) DE1527626A1 (en)
GB (1) GB1149236A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153277A (en) * 1982-02-11 1985-08-21 Marotta Scientific Controls Load-transfer mechanism
CN107803404A (en) * 2016-09-09 2018-03-16 柯克斯特科尼克股份有限公司 Roll the drive control method of streamline

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3579741A (en) * 1968-11-04 1971-05-25 Lester Engineering Co Machine and clamp force control system therefor
DE2115344C3 (en) * 1971-03-30 1978-04-27 Schloemann-Siemag Ag, 4000 Duesseldorf Control arrangement for a roll stand for rolling rolled strip
US4214464A (en) * 1978-12-28 1980-07-29 Alexandrov Valery M Apparatus for controlling the thickness of rolled products
USRE32048E (en) * 1979-01-11 1985-12-17 Prince Corporation Tie bar adjustment system
DE3939124A1 (en) * 1989-11-25 1991-05-29 Sundwiger Eisen Maschinen MULTI-ROLLER ROD WITH HYDRAULIC EMPLOYMENT

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US955164A (en) * 1909-11-29 1910-04-19 Ellsworth E Husted Plant-carrier.
US2903926A (en) * 1956-01-11 1959-09-15 Baldwin Lima Hamilton Corp Method and apparatus for controlling the contour of rolls in a rolling mill
US3208251A (en) * 1961-05-03 1965-09-28 Westinghouse Canada Ltd Rolling mill control system
US3228219A (en) * 1961-07-14 1966-01-11 Fox Ind Inc Strip rolling
FR85591E (en) * 1963-04-10 1965-12-10
BE628319A (en) * 1962-02-15 1963-05-29 Rolling stand with closed uprights and regulating device for rolling with tolerance
US3247697A (en) * 1962-12-06 1966-04-26 Blaw Knox Co Strip rolling mill
DE1294317B (en) * 1962-12-24 1969-05-08 Siemag Siegener Masch Bau Rolling frame for belts, straights or the like with tight thickness tolerances

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153277A (en) * 1982-02-11 1985-08-21 Marotta Scientific Controls Load-transfer mechanism
CN107803404A (en) * 2016-09-09 2018-03-16 柯克斯特科尼克股份有限公司 Roll the drive control method of streamline
CN107803404B (en) * 2016-09-09 2021-09-14 柯克斯特科尼克股份有限公司 Drive control method for rolling line

Also Published As

Publication number Publication date
DE1526626A1 (en)
US3464245A (en) 1969-09-02
DE1527627A1 (en) 1970-02-19
DE1527626A1 (en) 1970-01-15

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