ES2137235T3 - Procedimiento y dispositivo de control de contacto de dos placas colocadas borde con borde. - Google Patents

Procedimiento y dispositivo de control de contacto de dos placas colocadas borde con borde.

Info

Publication number
ES2137235T3
ES2137235T3 ES93401173T ES93401173T ES2137235T3 ES 2137235 T3 ES2137235 T3 ES 2137235T3 ES 93401173 T ES93401173 T ES 93401173T ES 93401173 T ES93401173 T ES 93401173T ES 2137235 T3 ES2137235 T3 ES 2137235T3
Authority
ES
Spain
Prior art keywords
edge
ultrasound signal
procedure
control device
metal sheets
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 - Lifetime
Application number
ES93401173T
Other languages
English (en)
Inventor
Jerome Guth
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.)
Sollac SA
Original Assignee
Sollac SA
Lorraine de Laminage Continu SA SOLLAC
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 Sollac SA, Lorraine de Laminage Continu SA SOLLAC filed Critical Sollac SA
Application granted granted Critical
Publication of ES2137235T3 publication Critical patent/ES2137235T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • 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
    • G01N2291/102—Number of transducers one emitter, one receiver
    • 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)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

LA INVENCION TIENE POR OBJETO UN PROCESO DE CONTROL DEL CONTACTO DE DOS CHAPAS COLOCADAS JUNTAS EN EL CUAL, SE EMITE UNA SEÑAL ULTRASONORA QUE SE PROPAGA EN UNA DE LAS DOS CHAPAS (1, 2), DICHA SEÑAL ULTRASONORA ATRAVIESA EL PLANO DE CONTACTO (3) DE DICHAS CHAPAS SOBRE TODA SU ALTURA Y SE PROPAGA POR LA SEGUNDA CHAPA (2), SE CAPTA DICHA SEÑAL ULTRASONORA EN EL SEGUNDA CHAPA (2) Y SE DETERMINA LA CALIDAD DEL CONTACTO DE LAS CHAPAS (1, 2) AL NIVEL DEL PLANO DE CONTACTO (3) COMPARANDO DICHA SEÑAL ULTRASONORA CAPTADA EN RELACION A DICHA SEÑAL ULTRASONORA EMITIDA. LA INVENCION TIENE IGUALMENTE POR OBJETO UN DISPOSITIVO DE CONTROL PARA LA APLICACION DE ESTE PROCESO.
ES93401173T 1992-08-04 1993-05-06 Procedimiento y dispositivo de control de contacto de dos placas colocadas borde con borde. Expired - Lifetime ES2137235T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9209670A FR2694633B1 (fr) 1992-08-04 1992-08-04 Procédé et dispositif de contrôle du contact de deux tôles placées bord à bord.

Publications (1)

Publication Number Publication Date
ES2137235T3 true ES2137235T3 (es) 1999-12-16

Family

ID=9432608

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93401173T Expired - Lifetime ES2137235T3 (es) 1992-08-04 1993-05-06 Procedimiento y dispositivo de control de contacto de dos placas colocadas borde con borde.

Country Status (5)

Country Link
EP (1) EP0582492B1 (es)
AT (1) ATE183309T1 (es)
DE (1) DE69325958T2 (es)
ES (1) ES2137235T3 (es)
FR (1) FR2694633B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2285790A1 (en) * 1998-10-14 2000-04-14 Daido Tokushuko Kabushiki Kaisha Method for evaluating bonding properties of a metallic pipe
DE102004025935B4 (de) * 2004-05-27 2009-03-19 Daimler Ag Verfahren zur Prüfung des Abstandes beschichteter Bleche für deren Schweissbearbeitung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436958A (en) * 1965-10-11 1969-04-08 American Mach & Foundry Ultrasonic pipe testing method and apparatus
DE3134482A1 (de) * 1981-09-01 1983-03-31 Hoesch Werke Ag, 4600 Dortmund Verfahren zur automatischen fertigungskontrolle langgestreckter werkstuecke
FR2594550B1 (fr) * 1986-02-20 1988-07-01 Gaz De France Procede de detection des defauts presents dans les pieces metalliques et appareillage pour la mise en oeuvre de ce procede
JP2617945B2 (ja) * 1987-08-14 1997-06-11 矢吉 肥後 接合部の非破壊検査方法

Also Published As

Publication number Publication date
EP0582492A1 (fr) 1994-02-09
DE69325958T2 (de) 1999-12-23
ATE183309T1 (de) 1999-08-15
FR2694633B1 (fr) 1994-10-21
EP0582492B1 (fr) 1999-08-11
DE69325958D1 (de) 1999-09-16
FR2694633A1 (fr) 1994-02-11

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