JPS5432347A - Measuring apparatus of mean thickness of metal pipe by electromagnetic ultrasonic waves - Google Patents

Measuring apparatus of mean thickness of metal pipe by electromagnetic ultrasonic waves

Info

Publication number
JPS5432347A
JPS5432347A JP9845977A JP9845977A JPS5432347A JP S5432347 A JPS5432347 A JP S5432347A JP 9845977 A JP9845977 A JP 9845977A JP 9845977 A JP9845977 A JP 9845977A JP S5432347 A JPS5432347 A JP S5432347A
Authority
JP
Japan
Prior art keywords
measuring apparatus
mean thickness
ultrasonic waves
metal pipe
electromagnetic ultrasonic
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
JP9845977A
Other languages
Japanese (ja)
Inventor
Hisao Suzuki
Katsuhiro Kawashima
Keizo Nakagawa
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
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP9845977A priority Critical patent/JPS5432347A/en
Publication of JPS5432347A publication Critical patent/JPS5432347A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

PURPOSE: To forecast rolling length with a mean thickness measuring apparatus and a steel pipe outside diameter measuring apparatus and from the weight before rolling by providing an ultrasonic wave generating coil for flowing high frequency pulse current and a magnetic field generator.
COPYRIGHT: (C)1979,JPO&Japio
JP9845977A 1977-08-17 1977-08-17 Measuring apparatus of mean thickness of metal pipe by electromagnetic ultrasonic waves Pending JPS5432347A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9845977A JPS5432347A (en) 1977-08-17 1977-08-17 Measuring apparatus of mean thickness of metal pipe by electromagnetic ultrasonic waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9845977A JPS5432347A (en) 1977-08-17 1977-08-17 Measuring apparatus of mean thickness of metal pipe by electromagnetic ultrasonic waves

Publications (1)

Publication Number Publication Date
JPS5432347A true JPS5432347A (en) 1979-03-09

Family

ID=14220276

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9845977A Pending JPS5432347A (en) 1977-08-17 1977-08-17 Measuring apparatus of mean thickness of metal pipe by electromagnetic ultrasonic waves

Country Status (1)

Country Link
JP (1) JPS5432347A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053806A (en) * 1983-09-02 1985-03-27 Sumitomo Metal Ind Ltd Thickness measuring method
CN103072063A (en) * 2013-01-30 2013-05-01 重庆大学 Excircle abrasive belt grinding method of wall thickness of tube
CN106078427A (en) * 2016-08-15 2016-11-09 重庆三磨海达磨床有限公司 A kind of for seamless tubular goods wall thickness external cylindrical abrasive belt Regrinding System

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053806A (en) * 1983-09-02 1985-03-27 Sumitomo Metal Ind Ltd Thickness measuring method
JPH0242411B2 (en) * 1983-09-02 1990-09-21
CN103072063A (en) * 2013-01-30 2013-05-01 重庆大学 Excircle abrasive belt grinding method of wall thickness of tube
CN106078427A (en) * 2016-08-15 2016-11-09 重庆三磨海达磨床有限公司 A kind of for seamless tubular goods wall thickness external cylindrical abrasive belt Regrinding System
CN106078427B (en) * 2016-08-15 2018-05-25 重庆三磨海达磨床有限公司 One kind is used for seamless tubular goods wall thickness external cylindrical abrasive belt Regrinding System

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