ATE111217T1 - Gerät zur ultraschallprüfung der verkeilung eines werkstücks. - Google Patents

Gerät zur ultraschallprüfung der verkeilung eines werkstücks.

Info

Publication number
ATE111217T1
ATE111217T1 AT91900038T AT91900038T ATE111217T1 AT E111217 T1 ATE111217 T1 AT E111217T1 AT 91900038 T AT91900038 T AT 91900038T AT 91900038 T AT91900038 T AT 91900038T AT E111217 T1 ATE111217 T1 AT E111217T1
Authority
AT
Austria
Prior art keywords
workpiece
echoes
measuring
return
clamping
Prior art date
Application number
AT91900038T
Other languages
English (en)
Inventor
Christian Flambard
Original Assignee
Centre Techn Ind Mecanique
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 Centre Techn Ind Mecanique filed Critical Centre Techn Ind Mecanique
Application granted granted Critical
Publication of ATE111217T1 publication Critical patent/ATE111217T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
    • G01L5/246—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using acoustic waves
    • 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
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force
    • 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
    • G01N2291/269—Various geometry objects
    • G01N2291/2691—Bolts, screws, heads

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Examining Or Testing Airtightness (AREA)
AT91900038T 1989-11-24 1990-11-23 Gerät zur ultraschallprüfung der verkeilung eines werkstücks. ATE111217T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8915461A FR2655144A1 (fr) 1989-11-24 1989-11-24 Appareil de controle par ultrasons du serrage d'une piece.

Publications (1)

Publication Number Publication Date
ATE111217T1 true ATE111217T1 (de) 1994-09-15

Family

ID=9387741

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91900038T ATE111217T1 (de) 1989-11-24 1990-11-23 Gerät zur ultraschallprüfung der verkeilung eines werkstücks.

Country Status (5)

Country Link
EP (1) EP0502071B1 (de)
AT (1) ATE111217T1 (de)
DE (1) DE69012343T2 (de)
FR (1) FR2655144A1 (de)
WO (1) WO1991008456A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343785A (en) * 1991-10-23 1994-09-06 Emerson Electric Co. Ultrasonic bolting control apparatus
FR2708102B1 (fr) * 1993-07-22 1995-09-29 Centre Techn Ind Mecanique Appareil de contrôle de serrage de pièce par ultrasons et échantillonage de signaux.
US7073383B2 (en) 2001-06-07 2006-07-11 Tokyo Electron Limited Apparatus and method for determining clamping status of semiconductor wafer
DE10338940B3 (de) * 2003-08-22 2005-02-10 Fresenius Medical Care Deutschland Gmbh Verfahren zum Messen einer Signallaufzeit in Blut und Vorrichtung zur Anwendung des Verfahrens
DE102004038638B3 (de) * 2004-08-09 2006-06-08 Pfw Technologies Gmbh Verfahren zur Bestimmung der Spannkraft von Verbindungsbauteilen durch Ultraschallanregung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294122A (en) * 1979-07-12 1981-10-13 General Dynamics Corporation Fastener incorporating ultrasonic transducer
US4471657A (en) * 1981-05-12 1984-09-18 Stresstel Corporation Digital ultrasonic stress measuring method and apparatus
DE3242284A1 (de) * 1982-11-16 1984-05-17 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und anordnung zur laufzeitbestimmung eines ultraschallimpulses
FR2566130B1 (fr) * 1984-06-15 1987-11-20 Labo Electronique Physique Appareil d'examen de milieux par echographie ultrasonore

Also Published As

Publication number Publication date
FR2655144A1 (fr) 1991-05-31
EP0502071B1 (de) 1994-09-07
FR2655144B1 (de) 1995-05-19
DE69012343T2 (de) 1995-05-11
WO1991008456A1 (fr) 1991-06-13
DE69012343D1 (de) 1994-10-13
EP0502071A1 (de) 1992-09-09

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties