GB1518994A - Apparatus for non-destructive testing of metal blanks for surface defects - Google Patents

Apparatus for non-destructive testing of metal blanks for surface defects

Info

Publication number
GB1518994A
GB1518994A GB27004/75A GB2700475A GB1518994A GB 1518994 A GB1518994 A GB 1518994A GB 27004/75 A GB27004/75 A GB 27004/75A GB 2700475 A GB2700475 A GB 2700475A GB 1518994 A GB1518994 A GB 1518994A
Authority
GB
United Kingdom
Prior art keywords
head
axis
members
rod
parallel
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
GB27004/75A
Other languages
English (en)
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.)
Granges Oxelosund Jarnverk AB
Original Assignee
Granges Oxelosund Jarnverk AB
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 Granges Oxelosund Jarnverk AB filed Critical Granges Oxelosund Jarnverk AB
Publication of GB1518994A publication Critical patent/GB1518994A/en
Expired 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

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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
GB27004/75A 1974-08-19 1975-06-25 Apparatus for non-destructive testing of metal blanks for surface defects Expired GB1518994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2439662A DE2439662C3 (de) 1974-08-19 1974-08-19 Vorrichtung zum zerstörungsfreien Prüfen von metallischen Rohlingen auf Oberflächenfehler

Publications (1)

Publication Number Publication Date
GB1518994A true GB1518994A (en) 1978-07-26

Family

ID=5923526

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27004/75A Expired GB1518994A (en) 1974-08-19 1975-06-25 Apparatus for non-destructive testing of metal blanks for surface defects

Country Status (13)

Country Link
US (1) US4041379A (enExample)
JP (1) JPS5127988A (enExample)
AT (1) AT354145B (enExample)
BE (1) BE830783A (enExample)
CA (1) CA1038242A (enExample)
DE (1) DE2439662C3 (enExample)
ES (1) ES438960A1 (enExample)
FR (1) FR2282640A1 (enExample)
GB (1) GB1518994A (enExample)
IT (1) IT1028835B (enExample)
NL (1) NL7507651A (enExample)
SE (1) SE407113B (enExample)
SU (1) SU882425A3 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000592A1 (fr) * 1978-02-06 1979-08-23 Ssab Svenskt Stal Ab Procede et dispositif pour l'indication et l'elimination de defauts sur des brames metalliques
CN116119143A (zh) * 2023-02-23 2023-05-16 广东天恒液压机械有限公司 一种高效率废金属包块拆包机
CN120629327A (zh) * 2025-08-18 2025-09-12 宁波市劳动安全技术服务有限公司 一种常压储罐底板用漏磁检测仪

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425070A1 (en) * 1977-05-10 1979-11-30 Setim Detection and analysis of surface faults on product - is determined from servo controlled detector suspended above surface
DE2815228C3 (de) * 1978-04-08 1980-11-27 Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen Prüfanordnung für die zerstörungsfreie Prüfung von metallischem Prüfgut
SE435969B (sv) * 1979-05-11 1984-10-29 Sandvik Bergstrand Ab Sett och anordning for pavisande av diskontinuiteter i ett material
US4373391A (en) * 1979-06-26 1983-02-15 General Electric Company Relative humidity sensitive material
US4294118A (en) * 1979-10-29 1981-10-13 Sumitomo Kinzoku Kogyo Kabushiki Kaisha Fully automatic ultrasonic flaw detection apparatus
US4465975A (en) * 1980-09-19 1984-08-14 The B. F. Goodrich Company Scanning apparatus and method for measuring a magnetic field produced by a sample
US4482865A (en) * 1982-06-04 1984-11-13 United States Steel Corporation Apparatus for the automatic inducement of a magnetic field in an elongated article under test
FR2540246A1 (fr) * 1983-01-28 1984-08-03 Solmer Dispositif pour detecter des criques sur les brames d'acier sortant d'une coulee continue
EP0193168A3 (en) * 1985-02-25 1989-01-25 Kubota Limited Method of inspecting carburization and probe therefor
DE3532654A1 (de) * 1985-09-13 1987-03-26 Thyssen Industrie Oberflaechenpruefeinrichtung mit konturnachform-fuehrungssystem
GB8825977D0 (en) * 1988-11-07 1988-12-14 Atomic Energy Authority Uk Eddy current testing system
US4924182A (en) * 1989-01-09 1990-05-08 The United States Of America As Represented By The Secretary Of The Navy Eddy current method to measure distance between scanned surface and a subsurface defect
US4922201A (en) * 1989-01-09 1990-05-01 The United States Of America As Represented By The Secretary Of The Navy Eddy current method for measuring electrical resistivity and device for providing accurate phase detection
EP0390009A1 (en) * 1989-03-29 1990-10-03 Asea Brown Boveri Ab Manipulator for transducers (Detectors)
USH879H (en) * 1989-06-30 1991-01-01 The United States Of America As Represented By The Secretary Of The Navy Method and device for inspecting circumferentially conducting materials
US5507185A (en) * 1993-03-16 1996-04-16 Southwest Research Institute Adaptive scanning technique for ultrasonic testing utilizing realtime lift-off detection
US5514956A (en) * 1994-10-11 1996-05-07 Industrial Sensors And Actuators Release mechanism for high-magnetization magnetic inspection apparatus for use in inspecting storage tank bottoms
US5614825A (en) * 1994-11-28 1997-03-25 Industrial Sensors And Actuators Magnetic flux leakage inspection apparatus with surface-responsive sensor mounting
DE19817953A1 (de) * 1998-04-22 1999-10-28 Hilti Ag Markiervorrichtung
US6400146B1 (en) 2000-09-12 2002-06-04 Her Majesty The Queen In Right Of Canada As Represented By The Ministry Of Natural Resources Sensor head for ACFM based crack detection
DE10232088A1 (de) * 2002-07-15 2004-02-05 Endress + Hauser Gmbh + Co. Kg Verdrehsicherung, insbesondere für ein Meßumformergehäuse
AU2003902766A0 (en) * 2003-06-02 2003-06-19 Onesteel Manufacturing Pty Ltd Ultrasonic testing of pipe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234457A (en) * 1960-11-14 1966-02-08 Republic Steel Corp Non-destructive eddy current testing device and method utilizing sensing means movable relative to the excitation means and test piece
US3447074A (en) * 1964-05-05 1969-05-27 Republic Steel Corp Workpiece inspection apparatus in which sensor and power-driven rollers are mounted on yieldable suspensions
US3539915A (en) * 1967-11-03 1970-11-10 American Mach & Foundry Pipeline inspection apparatus for detection of longitudinal defects by flux leakage inspection of circumferential magnetic field
US3460028A (en) * 1967-11-03 1969-08-05 American Mach & Foundry Pipeline inspection apparatus with means for correlating the recorded defect signals with the angular position within the pipeline at which they were generated
JPS5137966Y2 (enExample) * 1972-05-10 1976-09-17
US3899734A (en) * 1973-05-14 1975-08-12 Vetco Offshore Ind Inc Magnetic flux leakage inspection method and apparatus including magnetic diodes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000592A1 (fr) * 1978-02-06 1979-08-23 Ssab Svenskt Stal Ab Procede et dispositif pour l'indication et l'elimination de defauts sur des brames metalliques
CN116119143A (zh) * 2023-02-23 2023-05-16 广东天恒液压机械有限公司 一种高效率废金属包块拆包机
CN116119143B (zh) * 2023-02-23 2023-08-15 广东天恒液压机械有限公司 一种高效率废金属包块拆包机
CN120629327A (zh) * 2025-08-18 2025-09-12 宁波市劳动安全技术服务有限公司 一种常压储罐底板用漏磁检测仪

Also Published As

Publication number Publication date
BE830783A (fr) 1975-10-16
JPS5127988A (en) 1976-03-09
ES438960A1 (es) 1977-02-16
IT1028835B (it) 1979-02-10
SE407113B (sv) 1979-03-12
FR2282640B1 (enExample) 1977-07-08
SU882425A3 (ru) 1981-11-15
ATA450175A (de) 1979-05-15
NL7507651A (nl) 1976-02-23
US4041379A (en) 1977-08-09
DE2439662C3 (de) 1978-10-12
DE2439662A1 (de) 1976-03-04
DE2439662B2 (de) 1978-02-09
CA1038242A (en) 1978-09-12
FR2282640A1 (fr) 1976-03-19
AT354145B (de) 1979-12-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee