GB841505A - Improvements in or relating to electric motor control apparatus - Google Patents

Improvements in or relating to electric motor control apparatus

Info

Publication number
GB841505A
GB841505A GB10033/58A GB1003358A GB841505A GB 841505 A GB841505 A GB 841505A GB 10033/58 A GB10033/58 A GB 10033/58A GB 1003358 A GB1003358 A GB 1003358A GB 841505 A GB841505 A GB 841505A
Authority
GB
United Kingdom
Prior art keywords
potentiometer
amplifier
control
impedances
stands
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
GB10033/58A
Other languages
English (en)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB841505A publication Critical patent/GB841505A/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
    • B21B37/48—Tension control; Compression control
    • B21B37/52—Tension control; Compression control by drive motor control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Multiple Motors (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Metal Rolling (AREA)
GB10033/58A 1957-04-08 1958-03-28 Improvements in or relating to electric motor control apparatus Expired GB841505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US651386A US2972269A (en) 1957-04-08 1957-04-08 Automatic strip thickness control apparatus

Publications (1)

Publication Number Publication Date
GB841505A true GB841505A (en) 1960-07-13

Family

ID=24612674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10033/58A Expired GB841505A (en) 1957-04-08 1958-03-28 Improvements in or relating to electric motor control apparatus

Country Status (5)

Country Link
US (1) US2972269A (OSRAM)
JP (1) JPS347619B1 (OSRAM)
BE (1) BE566574A (OSRAM)
FR (1) FR1205343A (OSRAM)
GB (1) GB841505A (OSRAM)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036481A (en) * 1958-11-21 1962-05-29 George P Dirth Gage control system for strip mill
US3103138A (en) * 1960-06-09 1963-09-10 Westinghouse Electric Corp Foil thickness control apparatus
US3096671A (en) * 1960-12-05 1963-07-09 Carl A Vossberg Thickness control systems for rolling mills
US3237071A (en) * 1963-04-05 1966-02-22 Allis Chalmers Mfg Co Motor load distributing system for metal rolling mill
US3283228A (en) * 1963-06-28 1966-11-01 Westinghouse Electric Corp Plural stand, plural motor tension regulating apparatus
US3328987A (en) * 1964-05-14 1967-07-04 Crucible Steel Co America Gage-control apparatus
US3397566A (en) * 1965-10-22 1968-08-20 Inland Steel Co Method for providing metallic strip of uniform thickness and flatness
US3496745A (en) * 1967-05-01 1970-02-24 Kocks Gmbh Friedrich Process for stretch-reducing tubes
US3782151A (en) * 1972-02-29 1974-01-01 Westinghouse Electric Corp Automatic gauge control system for tandem rolling mill
JPS55133965A (en) * 1979-04-06 1980-10-18 Toshin Kogyo Kk Compensating method and device for feeding error of endless belt in automatic screen printing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2155860A (en) * 1932-04-04 1939-04-25 American Rolling Mill Co Automatic controlling device for tandem mills
US2264096A (en) * 1938-08-11 1941-11-25 Gen Electric Control system
US2295399A (en) * 1940-10-30 1942-09-08 Westinghouse Electric & Mfg Co Sheet thickness regulator for continuous mills

Also Published As

Publication number Publication date
US2972269A (en) 1961-02-21
BE566574A (OSRAM)
JPS347619B1 (OSRAM) 1959-09-01
FR1205343A (fr) 1960-02-02

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