IT1182581B - Procedimento ed apparecchiatura per rilevare la presenza di rotture di lavorazione in pezzi meccanici ottenuti per stampaggio - Google Patents

Procedimento ed apparecchiatura per rilevare la presenza di rotture di lavorazione in pezzi meccanici ottenuti per stampaggio

Info

Publication number
IT1182581B
IT1182581B IT67833/85A IT6783385A IT1182581B IT 1182581 B IT1182581 B IT 1182581B IT 67833/85 A IT67833/85 A IT 67833/85A IT 6783385 A IT6783385 A IT 6783385A IT 1182581 B IT1182581 B IT 1182581B
Authority
IT
Italy
Prior art keywords
molding
detect
procedure
equipment
pieces obtained
Prior art date
Application number
IT67833/85A
Other languages
English (en)
Other versions
IT8567833A0 (it
Inventor
Ermanno Ansaldi
Alessandro Alpini
Original Assignee
Fiat Auto Spa
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 Fiat Auto Spa filed Critical Fiat Auto Spa
Priority to IT67833/85A priority Critical patent/IT1182581B/it
Publication of IT8567833A0 publication Critical patent/IT8567833A0/it
Priority to DE8686830252T priority patent/DE3676615D1/de
Priority to EP86830252A priority patent/EP0217758B1/en
Application granted granted Critical
Publication of IT1182581B publication Critical patent/IT1182581B/it

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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/227—Details, e.g. general constructional or apparatus details related to high pressure, tension or stress conditions
    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver

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)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
IT67833/85A 1985-09-30 1985-09-30 Procedimento ed apparecchiatura per rilevare la presenza di rotture di lavorazione in pezzi meccanici ottenuti per stampaggio IT1182581B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT67833/85A IT1182581B (it) 1985-09-30 1985-09-30 Procedimento ed apparecchiatura per rilevare la presenza di rotture di lavorazione in pezzi meccanici ottenuti per stampaggio
DE8686830252T DE3676615D1 (de) 1985-09-30 1986-09-12 Verfahren und vorrichtung zur erfassung von herstellungsrissen in mechanischen teilen durch pressarbeit.
EP86830252A EP0217758B1 (en) 1985-09-30 1986-09-12 Method and apparatus for detecting production cracks in mechanical parts made by pressing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67833/85A IT1182581B (it) 1985-09-30 1985-09-30 Procedimento ed apparecchiatura per rilevare la presenza di rotture di lavorazione in pezzi meccanici ottenuti per stampaggio

Publications (2)

Publication Number Publication Date
IT8567833A0 IT8567833A0 (it) 1985-09-30
IT1182581B true IT1182581B (it) 1987-10-05

Family

ID=11305641

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67833/85A IT1182581B (it) 1985-09-30 1985-09-30 Procedimento ed apparecchiatura per rilevare la presenza di rotture di lavorazione in pezzi meccanici ottenuti per stampaggio

Country Status (3)

Country Link
EP (1) EP0217758B1 (it)
DE (1) DE3676615D1 (it)
IT (1) IT1182581B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4107093C2 (de) * 1990-03-19 1994-02-03 Volkswagen Ag Vorrichtung zur Rißprüfung eines Formteils in einer Preßvorrichtung
EP0709672B1 (de) * 1994-10-26 2002-08-14 Siemens Aktiengesellschaft Verfahren und Einrichtung zum Überwachen einer Feder
DE19713056C2 (de) * 1996-03-28 2000-01-27 Ngk Insulators Ltd Zerstörungsfreies Prüfverfahren für einen Polymer-Isolator und Vorrichtung zur Durchführung dieses Verfahrens
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
DE102007060278A1 (de) * 2007-12-12 2009-06-18 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vorrichtung und Verfahren für die Qualitätsprüfung von Blechteilen
US10670515B2 (en) * 2013-05-20 2020-06-02 Magna International Inc. Detecting edge cracks
CN106513483A (zh) * 2016-12-30 2017-03-22 重庆高威汽车科技有限公司 一种可全方位检测裂缝的钣金冲压装置
CN106623569A (zh) * 2016-12-30 2017-05-10 重庆高威汽车科技有限公司 一种带加热功能的钣金冲压装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749940C (de) * 1942-08-29 1945-01-10 Verfahren zur Werkstoffpruefung mittels Ultraschallwellen
BE521715A (it) * 1952-07-25
GB1131075A (en) * 1965-03-31 1968-10-23 Mini Of Technology Ultrasonic inspection apparatus and method
GB1290978A (it) * 1970-09-02 1972-09-27
SU675356A1 (en) * 1977-06-17 1979-07-25 Teplotekh Nii Method of ultrasonic inspection of metal
DE2757355A1 (de) * 1977-12-22 1979-07-05 Krautkraemer Gmbh Ultraschallvorrichtung zur zerstoerungsfreien pruefung von bindeflaechen
DE3342463A1 (de) * 1982-11-26 1984-05-30 Basf Ag, 6700 Ludwigshafen Verfahren zur ueberwachung des fortschreitens von rissen in maschinen- und bauteilen
JPS60186753A (ja) * 1984-03-05 1985-09-24 Mitsubishi Heavy Ind Ltd 包装容器検査装置

Also Published As

Publication number Publication date
DE3676615D1 (de) 1991-02-07
EP0217758B1 (en) 1990-12-27
EP0217758A3 (en) 1987-12-09
EP0217758A2 (en) 1987-04-08
IT8567833A0 (it) 1985-09-30

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