CZ9902906A3 - Způsob a zařízení k rozpoznávání trhlin při tváření hlubokým taľením - Google Patents
Způsob a zařízení k rozpoznávání trhlin při tváření hlubokým taľením Download PDFInfo
- Publication number
- CZ9902906A3 CZ9902906A3 CZ19992906A CZ290699A CZ9902906A3 CZ 9902906 A3 CZ9902906 A3 CZ 9902906A3 CZ 19992906 A CZ19992906 A CZ 19992906A CZ 290699 A CZ290699 A CZ 290699A CZ 9902906 A3 CZ9902906 A3 CZ 9902906A3
- Authority
- CZ
- Czechia
- Prior art keywords
- sound
- solid body
- punch
- blank
- signals
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005236 sound signal Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 71
- 230000037303 wrinkles Effects 0.000 claims description 8
- 230000005237 high-frequency sound signal Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 10
- 238000007493 shaping process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 241001422033 Thestylus Species 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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)
- 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)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| CZ9902906A3 true CZ9902906A3 (cs) | 2002-01-16 |
Family
ID=7877868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CZ19992906A CZ9902906A3 (cs) | 1998-08-18 | 1999-08-16 | Způsob a zařízení k rozpoznávání trhlin při tváření hlubokým taľením |
Country Status (6)
| Country | Link |
|---|---|
| CZ (1) | CZ9902906A3 (it) |
| DE (1) | DE19837369A1 (it) |
| ES (1) | ES2159476B1 (it) |
| FR (1) | FR2782464B1 (it) |
| GB (1) | GB2340604B (it) |
| IT (1) | IT1309043B1 (it) |
Families Citing this family (13)
| 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 |
| DE102004031222B3 (de) * | 2004-06-28 | 2005-08-11 | Benteler Automobiltechnik Gmbh | Strukturbauteil für ein Kraftfahrzeug |
| DE102004031184B3 (de) * | 2004-06-28 | 2005-10-06 | Benteler Automobiltechnik Gmbh | Karosseriekomponente |
| 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 |
| DE202012009675U1 (de) * | 2012-10-10 | 2014-01-13 | Ulrich Seuthe | Vorrichtung zur Erkennung einer Rissbildung bei einem Bauteil infolge Induktionshärtens des Bauteils |
| 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 |
| DE102017208909A1 (de) * | 2017-05-26 | 2018-11-29 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Verfahren zum Bestimmen von Materialeigenschaften eines Werkstücks durch Audioanalyse einer Werkstückbearbeitung sowie Stanzmaschine und Computerprogrammprodukt |
| 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 |
Family Cites Families (11)
| 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 |
| GB1545505A (en) * | 1975-09-16 | 1979-05-10 | Ca Minister Nat Defence | Excitation and spectral calibration of acoustic emission systems |
| JPS569099A (en) * | 1979-07-03 | 1981-01-29 | Toyo Tokushu Kiki Kk | Abnormality detecting method of automatic press |
| GB2074731B (en) * | 1980-04-16 | 1984-04-18 | Rolls Royce | Machining monitor |
| DE3036951C2 (de) * | 1980-09-30 | 1982-11-25 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur Schallemissionsprüfung von aus Stahl bestehenden Behältern oder Rohrleitungen, insbesondere für Kernreaktoranlagen |
| GB2100432B (en) * | 1981-06-16 | 1985-08-21 | Metal Box Co Ltd | Identifying fractured containers |
| 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 |
| 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 |
| DE4242442C2 (de) * | 1992-12-16 | 1996-09-05 | Daimler Benz Ag | Verfahren zum Einstellen der Klemmkraft des Niederhalters von Ziehpressen |
| JPH09145698A (ja) * | 1995-11-20 | 1997-06-06 | Hitachi Cable Ltd | 金属棒材の超音波探傷装置 |
-
1998
- 1998-08-18 DE DE19837369A patent/DE19837369A1/de not_active Withdrawn
-
1999
- 1999-07-30 FR FR9909944A patent/FR2782464B1/fr not_active Expired - Fee Related
- 1999-08-02 GB GB9918170A patent/GB2340604B/en not_active Expired - Fee Related
- 1999-08-13 IT IT1999RM000524A patent/IT1309043B1/it active
- 1999-08-16 CZ CZ19992906A patent/CZ9902906A3/cs unknown
- 1999-08-17 ES ES009901888A patent/ES2159476B1/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE19837369A1 (de) | 2000-03-02 |
| ITRM990524A1 (it) | 2001-02-13 |
| GB9918170D0 (en) | 1999-10-06 |
| GB2340604A8 (en) | 2000-03-01 |
| FR2782464A1 (fr) | 2000-02-25 |
| ES2159476A1 (es) | 2001-10-01 |
| GB2340604B (en) | 2002-07-17 |
| ITRM990524A0 (it) | 1999-08-13 |
| GB2340604A (en) | 2000-02-23 |
| IT1309043B1 (it) | 2002-01-16 |
| FR2782464B1 (fr) | 2002-05-03 |
| ES2159476B1 (es) | 2002-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PD00 | Pending as of 2000-06-30 in czech republic |