GB2340604B - Method and apparatus for crack detection in shaping by deep drawing - Google Patents

Method and apparatus for crack detection in shaping by deep drawing

Info

Publication number
GB2340604B
GB2340604B GB9918170A GB9918170A GB2340604B GB 2340604 B GB2340604 B GB 2340604B GB 9918170 A GB9918170 A GB 9918170A GB 9918170 A GB9918170 A GB 9918170A GB 2340604 B GB2340604 B GB 2340604B
Authority
GB
United Kingdom
Prior art keywords
shaping
deep drawing
crack detection
crack
detection
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 - Fee Related
Application number
GB9918170A
Other languages
English (en)
Other versions
GB2340604A (en
GB2340604A8 (en
GB9918170D0 (en
Inventor
Norbert Bergs
Stefan Klatzer
Dieter Barschdorff
Hagen Haupt
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.)
Benteler Deustchland GmbH
Original Assignee
Benteler Deustchland 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 Benteler Deustchland GmbH filed Critical Benteler Deustchland GmbH
Publication of GB9918170D0 publication Critical patent/GB9918170D0/en
Publication of GB2340604A publication Critical patent/GB2340604A/en
Publication of GB2340604A8 publication Critical patent/GB2340604A8/en
Application granted granted Critical
Publication of GB2340604B publication Critical patent/GB2340604B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • 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
    • G01N29/14—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 using acoustic emission techniques
    • 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
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Golf Clubs (AREA)
  • Pens And Brushes (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
GB9918170A 1998-08-18 1999-08-02 Method and apparatus for crack detection in shaping by deep drawing Expired - Fee Related GB2340604B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19837369A DE19837369A1 (de) 1998-08-18 1998-08-18 Verfahren und Vorrichtung zur Rißerkennung bei der Tiefziehverformung

Publications (4)

Publication Number Publication Date
GB9918170D0 GB9918170D0 (en) 1999-10-06
GB2340604A GB2340604A (en) 2000-02-23
GB2340604A8 GB2340604A8 (en) 2000-03-01
GB2340604B true GB2340604B (en) 2002-07-17

Family

ID=7877868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9918170A Expired - Fee Related GB2340604B (en) 1998-08-18 1999-08-02 Method and apparatus for crack detection in shaping by deep drawing

Country Status (6)

Country Link
CZ (1) CZ9902906A3 (es)
DE (1) DE19837369A1 (es)
ES (1) ES2159476B1 (es)
FR (1) FR2782464B1 (es)
GB (1) GB2340604B (es)
IT (1) IT1309043B1 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104995506A (zh) * 2012-10-10 2015-10-21 乌尔里克·佐伊特 用于避免和/或识别由于硬化或矫正在构件中造成的应力裂纹的方法和设备
CN110662947A (zh) * 2017-05-26 2020-01-07 通快机床两合公司 用于通过对工件加工进行音频分析来确定材料特性的方法以及冲压机器和计算机程序产品

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10343002A1 (de) * 2003-09-17 2005-04-14 Bayerische Motoren Werke Ag Werkzeug zum Umformen von Blechen oder Kunststofffolien mit Vorwarnung der Rißgefahr bei hoher Materialausdünnung
DE10343001A1 (de) * 2003-09-17 2005-04-14 Bayerische Motoren Werke Ag Werkzeug zum Umformen von Blechen oder Kunststofffolien mit integriertem Rißalarm
DE102004031184B3 (de) * 2004-06-28 2005-10-06 Benteler Automobiltechnik Gmbh Karosseriekomponente
DE102004031222B3 (de) * 2004-06-28 2005-08-11 Benteler Automobiltechnik Gmbh Strukturbauteil für ein Kraftfahrzeug
DE102007060278A1 (de) * 2007-12-12 2009-06-18 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vorrichtung und Verfahren für die Qualitätsprüfung von Blechteilen
DE102012100096B4 (de) 2012-01-06 2016-10-27 Benteler Automobiltechnik Gmbh Umformwerkzeug mit akustischer Qualitätskontrolle
RU2570592C1 (ru) * 2014-10-27 2015-12-10 Алексей Николаевич Кузьмин Способ регистрации и анализа сигналов акустической эмиссии
DE102016205157A1 (de) 2016-03-30 2017-10-05 Zf Friedrichshafen Ag Verfahren zur Rissbildungserkennung bei der Werkstückbearbeitung
DE102016205944A1 (de) 2016-04-08 2017-10-12 Zf Friedrichshafen Ag Verfahren und Vorrichtung zur Erkennung einer Anwesenheit eines Fremdkörpers
RU2709414C1 (ru) * 2019-06-04 2019-12-17 Алексей Николаевич Кузьмин Способ регистрации и анализа сигналов акустической эмиссии в системе диагностического мониторинга производственных объектов
CN114877982A (zh) * 2022-05-07 2022-08-09 华能平凉发电有限责任公司 一种音频信号采集设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1545505A (en) * 1975-09-16 1979-05-10 Ca Minister Nat Defence Excitation and spectral calibration of acoustic emission systems
GB2074731A (en) * 1980-04-16 1981-11-04 Rolls Royce Machining monitor
EP0049401A1 (de) * 1980-09-30 1982-04-14 Kraftwerk Union Aktiengesellschaft Verfahren zur Schallemissionsprüfung von aus Stahl bestehenden Behältern oder Rohrleitungen, insbesondere für Kernreaktoranlagen
GB2100432A (en) * 1981-06-16 1982-12-22 Metal Box Co Ltd Identifying fractured containers
GB2137344A (en) * 1983-03-16 1984-10-03 Standard Telephones Cables Ltd Flaw protection in wire drawing
US4487068A (en) * 1983-06-09 1984-12-11 The United States Of America As Represented By The Secretary Of The Air Force Method and apparatus for detecting acoustic emissions from metal matrix wire
JPH09145698A (ja) * 1995-11-20 1997-06-06 Hitachi Cable Ltd 金属棒材の超音波探傷装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023044A (en) * 1975-01-20 1977-05-10 Westinghouse Electric Corporation Automatic machine tool including a monitoring system
JPS569099A (en) * 1979-07-03 1981-01-29 Toyo Tokushu Kiki Kk Abnormality detecting method of automatic press
US4430896A (en) * 1982-03-24 1984-02-14 Toyota Jidosha Kogyo Kabushiki Kaisha Method and apparatus for detecting crack produced in workpiece in distortion removal processing
DE4242442C2 (de) * 1992-12-16 1996-09-05 Daimler Benz Ag Verfahren zum Einstellen der Klemmkraft des Niederhalters von Ziehpressen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1545505A (en) * 1975-09-16 1979-05-10 Ca Minister Nat Defence Excitation and spectral calibration of acoustic emission systems
GB2074731A (en) * 1980-04-16 1981-11-04 Rolls Royce Machining monitor
EP0049401A1 (de) * 1980-09-30 1982-04-14 Kraftwerk Union Aktiengesellschaft Verfahren zur Schallemissionsprüfung von aus Stahl bestehenden Behältern oder Rohrleitungen, insbesondere für Kernreaktoranlagen
GB2100432A (en) * 1981-06-16 1982-12-22 Metal Box Co Ltd Identifying fractured containers
GB2137344A (en) * 1983-03-16 1984-10-03 Standard Telephones Cables Ltd Flaw protection in wire drawing
US4487068A (en) * 1983-06-09 1984-12-11 The United States Of America As Represented By The Secretary Of The Air Force Method and apparatus for detecting acoustic emissions from metal matrix wire
JPH09145698A (ja) * 1995-11-20 1997-06-06 Hitachi Cable Ltd 金属棒材の超音波探傷装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Acc. No. 97-354 202 & JP 09 145 698 A *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104995506A (zh) * 2012-10-10 2015-10-21 乌尔里克·佐伊特 用于避免和/或识别由于硬化或矫正在构件中造成的应力裂纹的方法和设备
CN110662947A (zh) * 2017-05-26 2020-01-07 通快机床两合公司 用于通过对工件加工进行音频分析来确定材料特性的方法以及冲压机器和计算机程序产品
CN110662947B (zh) * 2017-05-26 2022-05-24 通快机床两合公司 用于通过对工件加工进行音频分析来确定材料特性的方法以及冲压机器和计算机程序产品

Also Published As

Publication number Publication date
CZ9902906A3 (cs) 2002-01-16
GB2340604A (en) 2000-02-23
IT1309043B1 (it) 2002-01-16
ITRM990524A1 (it) 2001-02-13
FR2782464A1 (fr) 2000-02-25
GB2340604A8 (en) 2000-03-01
DE19837369A1 (de) 2000-03-02
ES2159476A1 (es) 2001-10-01
GB9918170D0 (en) 1999-10-06
ES2159476B1 (es) 2002-04-01
ITRM990524A0 (it) 1999-08-13
FR2782464B1 (fr) 2002-05-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030802