JPS6133133B2 - - Google Patents

Info

Publication number
JPS6133133B2
JPS6133133B2 JP53086123A JP8612378A JPS6133133B2 JP S6133133 B2 JPS6133133 B2 JP S6133133B2 JP 53086123 A JP53086123 A JP 53086123A JP 8612378 A JP8612378 A JP 8612378A JP S6133133 B2 JPS6133133 B2 JP S6133133B2
Authority
JP
Japan
Prior art keywords
seam
magnetic flux
center
steel pipe
voltage
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.)
Expired
Application number
JP53086123A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5514145A (en
Inventor
Toshihiro Mori
Seigo Ando
Hironobu Akusawa
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
Priority to JP8612378A priority Critical patent/JPS5514145A/ja
Priority to US06/057,029 priority patent/US4303883A/en
Priority to DE2928899A priority patent/DE2928899C2/de
Publication of JPS5514145A publication Critical patent/JPS5514145A/ja
Publication of JPS6133133B2 publication Critical patent/JPS6133133B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/127—Means for tracking lines during arc welding or cutting
    • B23K9/1272—Geometry oriented, e.g. beam optical trading
    • B23K9/1276—Using non-contact, electric or magnetic means, e.g. inductive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/12—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means
    • B23Q35/127—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means using non-mechanical sensing
    • B23Q35/13—Sensing by using magnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/225—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/105—Number of transducers two or more emitters, two or more receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/267—Welds
    • G01N2291/2675—Seam, butt welding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Geometry (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP8612378A 1978-07-17 1978-07-17 Weld seam center determining method Granted JPS5514145A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8612378A JPS5514145A (en) 1978-07-17 1978-07-17 Weld seam center determining method
US06/057,029 US4303883A (en) 1978-07-17 1979-07-12 Apparatus for detecting the center of a welded seam in accordance with fundamental harmonic component suppression
DE2928899A DE2928899C2 (de) 1978-07-17 1979-07-17 Vorrichtung zur Bestimmung von Größe und Richtung der seitlichen Abweichung eines Prüfkopfes von der Mittellinie einer Schweißnaht

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8612378A JPS5514145A (en) 1978-07-17 1978-07-17 Weld seam center determining method

Publications (2)

Publication Number Publication Date
JPS5514145A JPS5514145A (en) 1980-01-31
JPS6133133B2 true JPS6133133B2 (US08197722-20120612-C00042.png) 1986-07-31

Family

ID=13877917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8612378A Granted JPS5514145A (en) 1978-07-17 1978-07-17 Weld seam center determining method

Country Status (3)

Country Link
US (1) US4303883A (US08197722-20120612-C00042.png)
JP (1) JPS5514145A (US08197722-20120612-C00042.png)
DE (1) DE2928899C2 (US08197722-20120612-C00042.png)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK145777C (da) * 1981-01-20 1983-08-22 Dansk Svejsemaskine Mekanisme til orientering af beholdere
EP0071334A1 (en) * 1981-06-12 1983-02-09 THE GENERAL ELECTRIC COMPANY, p.l.c. Device for measuring the length of a path
EP0098238B1 (de) * 1982-05-13 1990-01-10 C.A. Weidmüller GmbH & Co. Induktive Messanordnung bzw. Sensoranordnung und Verwendung derselben
LU84209A1 (fr) * 1982-06-17 1984-03-07 Cen Centre Energie Nucleaire Installation pour determiner la position d'un corps metallique dans un milieu peu conducteur de l'electricite
US4800978A (en) * 1984-11-09 1989-01-31 Nec Corporation Magnetic object detecting system for automated guided vehicle system
US4916391A (en) * 1984-11-15 1990-04-10 Doerman Eryk S LVDT displacement sensor with signal noise reduction for use in weighing apparatus
US4930364A (en) * 1988-10-05 1990-06-05 Emhart Industries, Inc. Glass container inspecting machine
JPH069746B2 (ja) * 1989-06-05 1994-02-09 鈴幸商事株式会社 シーム位置検出装置
GB2233763B (en) * 1989-07-07 1994-06-15 Univ Essex Non-destructive testing of metals
FR2692977B1 (fr) * 1992-06-26 1996-12-06 Aerospatiale Procede de controle non destructif d'une soudure.
US5592078A (en) * 1994-11-29 1997-01-07 Dapco Industries, Inc. Method and apparatus for moving along a boundary between electromagnetically different materials
GB0112983D0 (en) * 2001-05-30 2001-07-18 Advanced Eng Solutions Ltd Pipe condition detecting apparatus
US6964364B2 (en) * 2003-04-22 2005-11-15 Parada Michael W Weld guidance system and method
EP1574850A1 (de) * 2004-03-08 2005-09-14 Siemens Aktiengesellschaft Vorrichtung zur zerstörungsfreien Erfassung von tiefen Defekten in elektrisch leitenden Materialien
JP4568128B2 (ja) * 2005-01-28 2010-10-27 新日本製鐵株式会社 鋼板の突合せ溶接部検査装置及びこの装置を用いた検査方法
CN101327545B (zh) * 2008-05-12 2012-02-01 湘潭大学 熔化极气体保护焊磁控电弧传感焊缝实时跟踪控制方法
JP4766472B1 (ja) * 2010-10-22 2011-09-07 国立大学法人 岡山大学 非破壊検査装置及び非破壊検査方法
CN103353478B (zh) * 2013-06-28 2016-02-03 厦门大学 一种磁声成像与漏磁成像的复合无损检测方法
CN104588927A (zh) * 2014-11-28 2015-05-06 柳州振业焊接机电设备制造有限公司 一种对称的自动焊的驱动系统
CN106152922B (zh) * 2016-06-15 2018-10-12 山东固特电气有限公司 应用于大型汽轮发电机转子线圈中心点定位判断装置的中心点定位方法
WO2019187233A1 (ja) * 2018-03-27 2019-10-03 日本製鉄株式会社 電縫鋼管内の金属残留物検出方法及び装置
CN108982651A (zh) * 2018-08-09 2018-12-11 苏州热工研究院有限公司 基于铁磁平板对接焊缝裂纹检测的交流漏磁传感器及使用其进行裂纹检测的方法
FR3098915B1 (fr) * 2019-07-19 2022-07-29 Framatome Sa Dispositif de contrôle par fuite de flux magnétique et procédé associé

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3430134A (en) * 1966-08-26 1969-02-25 Magnaflux Corp Weld tracker system having magnetically isolated pickup coils
US3588682A (en) * 1967-11-28 1971-06-28 Forster F M O System for inspecting a welded seam with means for generating a signal which is a function of the welding temperature
US3617874A (en) * 1970-04-13 1971-11-02 Foerster Friedrich M O Magnetic leakage field flaw detector utilizing two ring core sensors
LU61704A1 (US08197722-20120612-C00042.png) * 1970-09-17 1972-06-27
US4030026A (en) * 1974-11-25 1977-06-14 White's Electronics, Inc. Sampling metal detector

Also Published As

Publication number Publication date
DE2928899C2 (de) 1986-10-30
US4303883A (en) 1981-12-01
DE2928899A1 (de) 1980-01-31
JPS5514145A (en) 1980-01-31

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