JPS53122448A - Abnormal shape inspection apparatus of metal surface - Google Patents

Abnormal shape inspection apparatus of metal surface

Info

Publication number
JPS53122448A
JPS53122448A JP3714577A JP3714577A JPS53122448A JP S53122448 A JPS53122448 A JP S53122448A JP 3714577 A JP3714577 A JP 3714577A JP 3714577 A JP3714577 A JP 3714577A JP S53122448 A JPS53122448 A JP S53122448A
Authority
JP
Japan
Prior art keywords
inspection apparatus
metal surface
abnormal shape
shape inspection
distance detection
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
JP3714577A
Other languages
Japanese (ja)
Inventor
Eiichi Nakaoka
Takashi Okamoto
Koji Kawamura
Seiichi Watanabe
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.)
Shimadzu Corp
Nippon Steel Corp
Original Assignee
Shimadzu Corp
Nippon Steel 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 Shimadzu Corp, Nippon Steel Corp filed Critical Shimadzu Corp
Priority to JP3714577A priority Critical patent/JPS53122448A/en
Publication of JPS53122448A publication Critical patent/JPS53122448A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

PURPOSE:To perform rapid and accurate inspection by processing the distance detection signals of plural sets of arrayed distance detection elements with specified combinations in an apparatus of detecting the abnormal shapes, such as swelling, etc. of surfaces of steel plates, etc. being continuously produced, through the utilization of eddy current.
JP3714577A 1977-03-31 1977-03-31 Abnormal shape inspection apparatus of metal surface Pending JPS53122448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3714577A JPS53122448A (en) 1977-03-31 1977-03-31 Abnormal shape inspection apparatus of metal surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3714577A JPS53122448A (en) 1977-03-31 1977-03-31 Abnormal shape inspection apparatus of metal surface

Publications (1)

Publication Number Publication Date
JPS53122448A true JPS53122448A (en) 1978-10-25

Family

ID=12489437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3714577A Pending JPS53122448A (en) 1977-03-31 1977-03-31 Abnormal shape inspection apparatus of metal surface

Country Status (1)

Country Link
JP (1) JPS53122448A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336127A1 (en) * 1983-01-11 1984-07-12 Mitsubishi Denki K.K., Tokio/Tokyo DEVICE FOR DETECTING THE CURVATION OF ROLLING MATERIAL
KR100448444B1 (en) * 1999-12-29 2004-09-13 주식회사 포스코 Apparatus for measuring a steel strip thickness using the eddy current detector of phased array
JP2014112064A (en) * 2012-10-30 2014-06-19 Jfe Steel Corp Method and device for detecting surface flaw of long body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336127A1 (en) * 1983-01-11 1984-07-12 Mitsubishi Denki K.K., Tokio/Tokyo DEVICE FOR DETECTING THE CURVATION OF ROLLING MATERIAL
KR100448444B1 (en) * 1999-12-29 2004-09-13 주식회사 포스코 Apparatus for measuring a steel strip thickness using the eddy current detector of phased array
JP2014112064A (en) * 2012-10-30 2014-06-19 Jfe Steel Corp Method and device for detecting surface flaw of long body

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