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 wavesInfo
- 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
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
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)
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 |
-
1977
- 1977-08-17 JP JP9845977A patent/JPS5432347A/en active Pending
Cited By (5)
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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