DE2953191A1 - Surface defect detector for steel member - Google Patents

Surface defect detector for steel member

Info

Publication number
DE2953191A1
DE2953191A1 DE19792953191 DE2953191T DE2953191A1 DE 2953191 A1 DE2953191 A1 DE 2953191A1 DE 19792953191 DE19792953191 DE 19792953191 DE 2953191 T DE2953191 T DE 2953191T DE 2953191 A1 DE2953191 A1 DE 2953191A1
Authority
DE
Germany
Prior art keywords
steel member
surface defect
defect detector
detector
steel
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.)
Ceased
Application number
DE19792953191
Other languages
English (en)
Inventor
T Shiraiwa
T Sakamoto
T Hiroshima
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
Original Assignee
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 Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of DE2953191A1 publication Critical patent/DE2953191A1/de
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
DE19792953191 1979-05-25 1979-05-25 Surface defect detector for steel member Ceased DE2953191A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1979/000134 WO1980002667A1 (en) 1979-05-25 1979-05-25 Surface defect detector for steel member

Publications (1)

Publication Number Publication Date
DE2953191A1 true DE2953191A1 (de) 1982-02-04

Family

ID=13677662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792953191 Ceased DE2953191A1 (de) 1979-05-25 1979-05-25 Surface defect detector for steel member

Country Status (4)

Country Link
EP (1) EP0029070B1 (de)
DE (1) DE2953191A1 (de)
GB (1) GB2061162B (de)
WO (1) WO1980002667A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495587A (en) * 1981-12-08 1985-01-22 Bethlehem Steel Corporation Automatic nondestructive roll defect inspection system
US4423636A (en) * 1981-12-08 1984-01-03 Bethlehem Steel Corporation Articulated test probe mechanism with fluid bearing in test roll gap
US4502253A (en) * 1982-08-12 1985-03-05 Magnaflux Corporation Surface treating and testing apparatus
DE3230368A1 (de) * 1982-08-14 1984-02-16 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen Verfahren und vorrichtung zum abtasten der oberflaeche eines teiles
JPS63243751A (ja) * 1987-03-31 1988-10-11 Ngk Insulators Ltd 軸受用転動体の超音波探傷検査方法、探傷検査用治具及び探傷検査装置
CN105848807B (zh) 2013-12-23 2018-12-11 Posco公司 板坯火焰清理装置及其控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4211838Y1 (de) * 1965-05-01 1967-07-03
JPS4626159Y1 (de) * 1967-06-14 1971-09-08
JPS4926884A (de) * 1972-07-08 1974-03-09
DE2442691C3 (de) * 1974-09-06 1980-05-14 Shimadzu Seisakusho Ltd., Kyoto (Japan) Maschine zum Ermitteln und Beseitigen von Fehlern, in der Oberfläche von Walzwerkserzeugnissen
JPS5296084A (en) * 1976-02-06 1977-08-12 Konan Camera Res Inst System for processing surface flaw

Also Published As

Publication number Publication date
EP0029070A4 (de) 1981-06-17
EP0029070B1 (de) 1983-06-29
EP0029070A1 (de) 1981-05-27
GB2061162A (en) 1981-05-13
WO1980002667A1 (en) 1980-12-11
GB2061162B (en) 1984-05-10

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: LIEDL, G., DIPL.-PHYS. NOETH, H., DIPL.-PHYS., PAT

8131 Rejection