BE882938Q - Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiques - Google Patents

Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiques

Info

Publication number
BE882938Q
BE882938Q BE6/47142A BE6047142A BE882938Q BE 882938 Q BE882938 Q BE 882938Q BE 6/47142 A BE6/47142 A BE 6/47142A BE 6047142 A BE6047142 A BE 6047142A BE 882938 Q BE882938 Q BE 882938Q
Authority
BE
Belgium
Prior art keywords
surface defects
steel products
detecting surface
semi steel
semi
Prior art date
Application number
BE6/47142A
Other languages
English (en)
Original Assignee
Dietrich & Cie De
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 Dietrich & Cie De filed Critical Dietrich & Cie De
Application granted granted Critical
Publication of BE882938Q publication Critical patent/BE882938Q/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • 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
    • G01N27/904—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 with two or more sensors
    • 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
    • G01N27/9046—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 by analysing electrical signals
    • 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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
BE6/47142A 1977-05-10 1980-04-23 Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiques BE882938Q (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7715002A FR2390729A1 (fr) 1977-05-10 1977-05-10 Appareil a detecter les defauts de surface en particulier sur semi-produits siderurgiques

Publications (1)

Publication Number Publication Date
BE882938Q true BE882938Q (fr) 1980-08-18

Family

ID=9190880

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6/47142A BE882938Q (fr) 1977-05-10 1980-04-23 Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiques

Country Status (2)

Country Link
BE (1) BE882938Q (fr)
FR (1) FR2390729A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112991C2 (de) * 1981-04-01 1985-12-12 Hoesch Ag, 4600 Dortmund Rundschleifmaschine zum kontrollierten Abschleifen von Rissen an Walzen
BR8208075A (pt) * 1982-05-10 1984-03-07 Caterpillar Tractor Co Processo e aparelho para usinar abrasivamente e esmerilar uma peca de trabalho
FR2540246A1 (fr) * 1983-01-28 1984-08-03 Solmer Dispositif pour detecter des criques sur les brames d'acier sortant d'une coulee continue
GB201413566D0 (en) * 2014-07-31 2014-09-17 V Viz Ltd System for non-destructive detection of internal defects
US12287272B2 (en) 2022-11-09 2025-04-29 The Boeing Company Porosity detection for composite materials using inductive resonance

Also Published As

Publication number Publication date
FR2390729B1 (fr) 1980-03-14
FR2390729A1 (fr) 1978-12-08

Similar Documents

Publication Publication Date Title
GB2006960B (en) Surface defect detecting apparatus for round or cylindrical metallic material
AT360308B (de) Vorrichtung zum bestimmen von werkstuecken
DE3484982D1 (de) Apparat zum nachweis von oberflaechenfehlern.
DE3280379D1 (de) Vorrichtung zum aufspueren des entfernens einer sonde.
DE3778484D1 (de) Apparat zum messen eines kristalldurchmessers.
DE3767548D1 (de) Abtastvorrichtung fuer einen unabhaengigen apparat zum messen linearer groessen.
DE3280381D1 (de) Vorrichtung zum aufspueren des entfernens einer sonde.
DE3280275D1 (de) Vorrichtung zum messen blattfoermigen materials.
GB1555236A (en) Light detection apparatus for optically examining a surface linearly scanned by a light spot
JPS5543491A (en) Apparatus for detecting and classifying flaw on metal surface
GB2001168A (en) Apparatus for detecting defects in patterns
GB2005015B (en) Method of detecting flaws on the surface of metal
JPS53143357A (en) Inspection apparatus for surface
GB1542091A (en) Apparatus for determining extraneous solid matter in a liquid
GB1542092A (en) Apparatus for determining extraneous solid matter in a liquid
BE882938Q (fr) Appareil a detecter les defauts de surface en particulier sur semi produits siderurgiques
AT374937B (de) Vorrichtung zum reinigen der abtastnadel in einem plattenspieler
JPS548589A (en) Method and apparatus for measuring surface moving velocity
CH527409A (de) Vorrichtung zum Feststellen von Oberflächenunregelmässigkeiten an Kabeln
JPS5559332A (en) Method of and apparatus for detecting defects on work surface
GB2043884B (en) Inspection apparatus for detecting pattern defects
DE3867452D1 (de) Vorrichtung zum erfassen des profilfehlers der oberflaeche eines artikels.
AT383423B (de) Vorrichtung zum pruefen der haerte eines werkstueckes
BE870952A (fr) Etoffe presentant une doublure propre et ses appareil et procede de realisation sur une machine de couture-tricotage
JPS5251967A (en) Measuring apparatus for inspecting drill

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DE DIETRICH & CIE

Effective date: 19840423