FR2455741A1 - Procede et dispositif pour detecter les defauts internes dans des pieces - Google Patents

Procede et dispositif pour detecter les defauts internes dans des pieces

Info

Publication number
FR2455741A1
FR2455741A1 FR8009891A FR8009891A FR2455741A1 FR 2455741 A1 FR2455741 A1 FR 2455741A1 FR 8009891 A FR8009891 A FR 8009891A FR 8009891 A FR8009891 A FR 8009891A FR 2455741 A1 FR2455741 A1 FR 2455741A1
Authority
FR
France
Prior art keywords
parts
internal defects
signals
detecting internal
stored
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.)
Withdrawn
Application number
FR8009891A
Other languages
English (en)
Inventor
Claus Gerken
Wilfried Pies
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.)
Krautkraemer GmbH and Co
Krautkraemer GmbH
Original Assignee
Krautkraemer GmbH and Co
Krautkraemer GmbH
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 Krautkraemer GmbH and Co, Krautkraemer GmbH filed Critical Krautkraemer GmbH and Co
Publication of FR2455741A1 publication Critical patent/FR2455741A1/fr
Withdrawn legal-status Critical Current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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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 Ultrasonic Waves (AREA)

Abstract

PROCEDE ET DISPOSITIF DE SONDAGE DE PIECES 1 PAR ULTRASONS. LES SIGNAUX DE RECEPTION ANALOGIQUE PROVENANT DES TETES DE CONTROLE P, P, P SONT COMPARES AVEC UNE VALEUR DE SEUIL DEPENDANT DE L'EPAISSEUR DE L'ECHANTILLON, CE QUI PERMET DE CONSTATER LA PRESENCE OU L'ABSENCE D'UN DEFAUT; LES SIGNAUX DE RECEPTION SONT MIS SOUS LA FORME DE SIGNAUX NUMERIQUES QUI SONT MIS EN MEMOIRE; LES SIGNAUX MEMORISES, A L'EMPLACEMENT DE MESURE, SONT APPELES PAR UNE UNITE D'INTERPRETATION 2 PAR L'INTERMEDIAIRE DE CONDUCTEURS OMNIBUS.
FR8009891A 1979-04-30 1980-04-30 Procede et dispositif pour detecter les defauts internes dans des pieces Withdrawn FR2455741A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2917539A DE2917539C2 (de) 1979-04-30 1979-04-30 Verfahren und Vorrichtung zur Ermittlung von Ungänzen

Publications (1)

Publication Number Publication Date
FR2455741A1 true FR2455741A1 (fr) 1980-11-28

Family

ID=6069657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009891A Withdrawn FR2455741A1 (fr) 1979-04-30 1980-04-30 Procede et dispositif pour detecter les defauts internes dans des pieces

Country Status (6)

Country Link
JP (1) JPS55151259A (fr)
BR (1) BR8002765A (fr)
DE (1) DE2917539C2 (fr)
FR (1) FR2455741A1 (fr)
GB (1) GB2047895A (fr)
IT (1) IT8048534A0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2140077C1 (ru) * 1998-12-23 1999-10-20 Унитарное государственное предприятие Акустический институт им.акад.Н.Н.Андреева Способ контроля зазора между шпалой и железнодорожной насыпью и акустический зонд для контроля зазора между шпалой и железнодорожной насыпью

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140561A (en) * 1983-05-27 1984-11-28 Fulmer Res Inst Ltd Ultrasonic testing apparatus and a method of ultrasonic testing
DE3720219A1 (de) * 1987-06-17 1988-12-29 Betr Forsch Inst Angew Forsch Verfahren zur ueberpruefung von bauteilen
JPH0228552A (ja) * 1988-07-19 1990-01-30 Haabesuto:Kk フィルム材料のピンホール検出装置
DE4008300A1 (de) * 1990-03-15 1991-09-26 Benteler Werke Ag Verfahren und vorrichtung zur kontinuierlichen zerstoerungsfreien untersuchung von stangenfoermigen prueflingen
DE19507177A1 (de) * 1995-03-02 1996-09-05 Daimler Benz Ag Meßanordnung zur Ortung einer lokalen Zustandsänderung
DE19921217B4 (de) * 1999-05-07 2004-11-25 Leuze Electronic Gmbh + Co Kg Vorrichtung zur Detektion von Etiketten
DE10327389B3 (de) * 2003-06-18 2004-12-16 Leuze Electronic Gmbh + Co. Kg Sensoranordnung
JP2009273880A (ja) * 2008-04-17 2009-11-26 Canon Inc 超音波診断装置及び超音波探触子の動作の試験方法
WO2017175692A1 (fr) * 2016-04-06 2017-10-12 株式会社Ｓｕｂａｒｕ Système d'inspection par ultrasons, procédé d'inspection par ultrasons et structure d'aéronef

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604651A1 (de) * 1976-02-04 1977-10-27 Mannesmann Ag Verfahren und vorrichtung zur zerstoerungsfreien pruefung von blechen und baendern
DE2623522C2 (de) * 1976-05-26 1983-12-22 Krautkrämer GmbH, 5000 Köln Verfahren zur zerstörungsfreien Werkstoffprüfung mit Ultraschall
DE2623892C3 (de) * 1976-05-28 1988-07-28 Karl Deutsch Prüf- und Meßgerätebau GmbH + Co KG, 5600 Wuppertal Verfahren zum Bewerten von Ultraschall-Signalen in Ultraschall-Prüfgeräten für die zerstörungsfreie Werkstoffprüfung
DE2632674B2 (de) * 1976-07-16 1978-06-08 Karl Deutsch Pruef- Und Messgeraetebau, 5600 Wuppertal Elektronische Einrichtung zur taktweisen Erfassung, Aus- und Bewertung von Impulsen bei der zerstörungsfreien Ultraschall-Werkstoffprüfung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2140077C1 (ru) * 1998-12-23 1999-10-20 Унитарное государственное предприятие Акустический институт им.акад.Н.Н.Андреева Способ контроля зазора между шпалой и железнодорожной насыпью и акустический зонд для контроля зазора между шпалой и железнодорожной насыпью

Also Published As

Publication number Publication date
JPS55151259A (en) 1980-11-25
IT8048534A0 (it) 1980-04-28
BR8002765A (pt) 1980-12-16
DE2917539C2 (de) 1982-11-18
GB2047895A (en) 1980-12-03
DE2917539A1 (de) 1981-01-22

Similar Documents

Publication Publication Date Title
FR2710748B1 (fr) Procédés et dispositif pour tester des moteurs.
DE59709517D1 (de) Verfahren zur erfassung des status eines organismus durch messung von peptiden
FR2670898B1 (fr) Dispositif de controle non destructif par ultrasons d'elements de forme allongee a section sensiblement constante.
FI832177L (fi) Foerfarande och anordning foer att bestaemma en analyssignals oeverensstaemmelse med minst en referenssignal
ATE44342T1 (de) Analysiergeraet fuer videosignal.
ATE43975T1 (de) Verfahren zur einstellung der spaltweite eines kegelbrechers oder dergleichen.
DE3780051D1 (de) System zum feststellen der rollage eines um seine laengsachse rotierenden objektes.
GB1518870A (en) Ultrasonic inspection system for a moving strip
FR2457480A1 (fr) Dispositif de mesure d'un niveau de liquide
FR2438301A1 (fr) Circuit de detection de signaux d'un capteur magnetique
DE69013090D1 (de) Vorrichtung zum Ermitteln der Betriebsbedingung eines Verbrennungsmotors.
JPS55125439A (en) Defect inspection device
DE60002518D1 (de) Verfahren und Vorrichtung zum adaptiven Lernen von Testfehlern zur Verminderung der Gesamtzahl von Testmessungen erforderlich in Echtzeit
EP0210278A4 (fr) Appareil pour detecter la position d'une fissure provoquee par la fatigue.
FR3093567B1 (fr) Système de mesure anémométrique aéronautique comprenant un lidar à faible puissance
JPS57146996A (en) Oil deterioration alarm device
ATE190740T1 (de) Optischer sensor
KR950009258A (ko) 우라늄-함유 분말내의 수분의 인-라인 검출을 위한 방법 및 시스템
ATE17531T1 (de) Vorrichtung zum automatischen erkennen und auswerten der merkmale von druckschriften.
JPS5223389A (en) Eddy current flaw detection method for internal surfaces of steel pipe s
Lund Supersaft. Ultrasonic Image Reconstruction for Fast and Accurate Flaw Locating and Sizing
JPS5350858A (en) Steel plate work inspecting apparatus
JPS53131860A (en) Cavitation testing method
Atienza et al. Comparing minority and non-minority college students on life style, social development, and need gratification.
LAMBIE Some specific problems in the operation of a gauging station

Legal Events

Date Code Title Description
ST Notification of lapse