DE2256505A1 - Verfahren zur feststellung der schweisszone von stumpfgeschweissten warmgewalzten stahlbaendern waehrend des durchlaufens - Google Patents

Verfahren zur feststellung der schweisszone von stumpfgeschweissten warmgewalzten stahlbaendern waehrend des durchlaufens

Info

Publication number
DE2256505A1
DE2256505A1 DE19722256505 DE2256505A DE2256505A1 DE 2256505 A1 DE2256505 A1 DE 2256505A1 DE 19722256505 DE19722256505 DE 19722256505 DE 2256505 A DE2256505 A DE 2256505A DE 2256505 A1 DE2256505 A1 DE 2256505A1
Authority
DE
Germany
Prior art keywords
coils
welding zone
zone
partially cut
generated
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
DE19722256505
Other languages
German (de)
English (en)
Inventor
Seigo Ando
Toshihiro Mori
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of DE2256505A1 publication Critical patent/DE2256505A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0037—Measuring of dimensions of welds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/904—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents with two or more sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0085—Joining ends of material to continuous strip, bar or sheet

Landscapes

  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
DE19722256505 1971-11-19 1972-11-17 Verfahren zur feststellung der schweisszone von stumpfgeschweissten warmgewalzten stahlbaendern waehrend des durchlaufens Pending DE2256505A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9238971A JPS4855844A (cs) 1971-11-19 1971-11-19

Publications (1)

Publication Number Publication Date
DE2256505A1 true DE2256505A1 (de) 1973-05-30

Family

ID=14053051

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722256505 Pending DE2256505A1 (de) 1971-11-19 1972-11-17 Verfahren zur feststellung der schweisszone von stumpfgeschweissten warmgewalzten stahlbaendern waehrend des durchlaufens

Country Status (3)

Country Link
JP (1) JPS4855844A (cs)
DE (1) DE2256505A1 (cs)
FR (1) FR2160609A1 (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613114A1 (de) * 1976-03-25 1977-10-06 Mannesmann Ag Vorrichtung zum erfassen des stosses zwischen aufeinanderfolgend ein walzwerk durchlaufenden rohren
FR2349374A1 (fr) * 1976-04-29 1977-11-25 British Steel Corp Procede et appareil pour enlever des soudures transversales sur un tube metallique
RU2123401C1 (ru) * 1998-02-23 1998-12-20 Открытое акционерное общество "Северсталь" Способ дефектометрии прокатных листов и устройство для его осуществления
RU2404872C1 (ru) * 2009-07-17 2010-11-27 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский Государственный политехнический университет" (ГОУ "СПбГПУ") Способ контроля сляба для производства горячекатаной полосы

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1255436A (fr) * 1960-01-26 1961-03-10 Siderurgie Fse Inst Rech Perfectionnements aux appareils électro-magnétiques de détection des défauts des produits métalliques
US3359486A (en) * 1963-08-06 1967-12-19 Bethlehem Steel Corp Eddy current seam tracking device utillizing an e-shaped core with electromagnetically unequal pickup coils
JPS424077Y1 (cs) * 1965-02-05 1967-03-07
FR1589457A (cs) * 1968-07-30 1970-03-31

Also Published As

Publication number Publication date
FR2160609A1 (en) 1973-06-29
JPS4855844A (cs) 1973-08-06
FR2160609B1 (cs) 1975-03-28

Similar Documents

Publication Publication Date Title
DE3017979A1 (de) Verfahren und anordnung zum auswerten einer fehlersignalspannung
DE2314336C2 (de) Kathetersonde zum Messen der Blutdurchflußgescheindigkeit u.dgl.
DE19643997A1 (de) Verfahren zur Überwachung eines Fördergurtes und System zur Durchführung des Verfahrens
DE3306981A1 (de) Verfahren und vorrichtung zur steuerung der fotokoagulation von biologischem gewebe
EP0088069A1 (de) Verfahren zur Oberflächenprüfung von über dem Curie-Punkt heissem Stahlgut
DE1516589A1 (de) Verfahren und Vorrichtung zum Nachweis des Durchganges eines sich bewegenden Gegenstandes
DE2735214C2 (de) Meßkopf zum kontinuierlichen Messen der magnetischen Eigenschaften eines sich bewegenden Materialbandes
CH677274A5 (cs)
DE1811079A1 (de) Anordnung zur zerstoerungsfreien Pruefung eines Werkstueckes
EP0023965A1 (de) Münzprüfer für Münzen verschiedenen Durchmessers
DE2256505A1 (de) Verfahren zur feststellung der schweisszone von stumpfgeschweissten warmgewalzten stahlbaendern waehrend des durchlaufens
DE69012598T2 (de) Verfahren und Vorrichtung zur Feststellung von Fehlerstellen in langen metallischen Streifen.
DE2440915B2 (de) Wirbelstrompruefgeraet
DE2558904C3 (de) Elektromagnetische Induktionsanzeigevorrichtung
DE2308446C3 (de) Richtmaschine für langgestrecktes, metallisches Richtgut
DE3511355A1 (de) Vorrichtung zum erfassen von metallkoerpern
DE1903276A1 (de) Elektrischer Wandler
EP0465624B1 (de) Induktiver durchflussmesser
DE1919327C3 (de) Einrichtung zur Ermittlung eines Risses in einem Förderband
DE1652938A1 (de) Verfahren zum Herstellen und/oder Pruefen von Schraubennahtrohren
DE2446114A1 (de) System zur bestimmung der querlage von schadstellen an ablaufenden baendern
EP0045441B1 (de) Einrichtung zur Messung der Dicke eines aus einem Walzwerk auslaufenden Bandes
DE2347202C3 (de) Einrichtung zum linienförmigen Informationsaustausch zwischen Schienenfahrzeugen und einer ortsfesten Station
DE2607783A1 (de) Verfahren und anordnung zur magnetischen oder magnetinduktiven fehlerpruefung von langgestrecktem metallischem pruefmaterial
DE1473516B2 (de) Einrichtung zur ermittlung von durch die ganze materialstaerke von metallrohren hindurchgehenden fehlern

Legal Events

Date Code Title Description
OD Request for examination
OHW Rejection