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WO2009007211A1 - Support de pièce à contrôler et dispositif de contrôle de matériau par vibration - Google Patents

Support de pièce à contrôler et dispositif de contrôle de matériau par vibration Download PDF

Info

Publication number
WO2009007211A1
WO2009007211A1 PCT/EP2008/057711 EP2008057711W WO2009007211A1 WO 2009007211 A1 WO2009007211 A1 WO 2009007211A1 EP 2008057711 W EP2008057711 W EP 2008057711W WO 2009007211 A1 WO2009007211 A1 WO 2009007211A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
test
test part
material testing
prüfteilhalterung
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.)
Ceased
Application number
PCT/EP2008/057711
Other languages
German (de)
English (en)
Inventor
Joachim Baumann
Matthias Goldammer
Christian Homma
Max Rothenfusser
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2009007211A1 publication Critical patent/WO2009007211A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/72—Investigating presence of flaws
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/02—Vibration-testing by means of a shake table
    • G01M7/027—Specimen mounting arrangements, e.g. table head adapters

Definitions

  • the invention relates to aticianhalterung, a test system with aticianhalterung and a method for vibration material testing, in particular vibration thermography examination.
  • a test part to be examined is excited by means of ultrasound application to a vibration, which leads to a heating at flaws, such.
  • a vibration which leads to a heating at flaws, such.
  • the test part has hitherto been fixed at one point by means of a holder and stimulated to vibrate at another suitable location by means of a pressed-on ultrasonic sonotrode.
  • the heating thus generated can then be detected by means of an infrared camera.
  • the sonotrode can be lifted off the vibration and "hammered” onto the coupling point due to a not fully frictional mechanical connection between the sonotrode and the test piece, which leads to the problem that unwanted heating occurs at the coupling point of the ultrasonic sonotrode It has hitherto been circumvented by the fact that it is either known from the outset that faults do not occur in the vicinity of the coupling point, or the test part is examined on the basis of at least two coupling points which are sufficiently remote from one another - reduced energy transfer.
  • the additional fixation of the test part in the holder also has the disadvantage that a large part of the vibration ⁇ ons energie also covers the entire holder and thereby in turn the vibration of the test part is significantly reduced.
  • test part Connection of the test part to the holder / table is to be considered for the excitation of resonances, the entire system test part / holder / table / sonotrode, which requires a much higher excitation power than if only the test part must be excited alone.
  • the vibration-exciting unit is an ultrasonic exciter.
  • the holder is constructed as a gripper of a robotic robot or robotic arm, wherein
  • the test system has both the above strigteilhalterung, as well as a thermal imaging camera for areal detection of a temperature or the infrared radiation at a held by the fürteilhalterung test part.
  • the known thermographic methods can be used.
  • Particularly advantageous is the use of a robot arm with the
  • Test system as the test part can be very easily positioned under different ⁇ ne perspectives with respect to the infrared camera.
  • the test system can also be equipped with further pickup units for energy input into the component.
  • a flash unit can be used to perform flash thermography tests on the test equipment.
  • the test facility can also perform other material testing methods besides the vibration test, such.
  • material testing methods besides the vibration test, such.
  • X-ray radiation simple 2D X-ray or 3D X-ray computed tomography
  • 3D shape detection eg, by fringe projection
  • a vibration energy is introduced by a vibration excitation unit via a so firmly and thus non-positively connected excteilhalterung (indirectly) in a held in the excteilhalterung test part.
  • the vibration energy is an ultrasonic energy.
  • a method in which at least the vibration-initiating unit, the excteilhalterung and the test part compared to other components eg. As a table, vibration isolation.
  • the test piece by means of a gripper of a robot or the robot arm is supported ⁇ tert.
  • the test part is test part for use in a vibration ⁇ ons material testing, in particular ultrasonic thermography examination, provided in which a vibration-exciting unit is fixedly mounted non-positively.
  • tem test part is z.
  • FIG. 1 shows an oblique view of a test system according to the prior art
  • FIG. 2 shows an oblique view of a test system according to a first embodiment
  • FIG. 3 shows an oblique view of a test system according to a second embodiment
  • FIG. 4 shows an oblique view of a test system according to a third embodiment
  • test part 1 shows a typical structure of a conventional test system 1 with loose, ie not completely frictionally contacting ultrasonic excitation of the test part 2, here: a turbine blade.
  • test part 2 is firmly clamped in a solid holder 3, which in turn is mounted on a fixed table 4.
  • An ultrasonic generator 5 equipped here with a sonotrode is pushed upwards pneumatically by means of a feed unit 6 and contacts the test piece 2 directly through a recess in the table top (not shown).
  • the temperature of the test piece 2 is scanned by means of a thermal imaging camera 7.
  • An alternative possibility for direct ultrasonic excitation is the use of an ultrasonic welding gun (not shown), which is manually pressed onto the test piece.
  • FIG. 2 shows a test system 8 with indirect Ultraschallerre ⁇ supply of the test piece 2.
  • a vibration pickup unit, in particular ⁇ sondere the ultrasonic vibrator 5 is, z. B. by means of screws or clamps, frictionally firmly attached to the fürierhalte- tion 3. This avoids hammering on the test piece and damage to the coupling point.
  • a simple resonant excitation of the test ⁇ is so partly made possible.
  • the holder 3 can be made compact and lightweight.
  • the sketchteilhalterung 3 further includes a vibration decoupling unit 9, z.
  • a vibration decoupling unit 9, z As a plate made of cork, for vibration ⁇ decoupling of excteilhalterung 3 relative to the table 4. As a result, less ultrasound power is lost across the table.
  • FIG 4 shows a further embodiment of a testing system 10 with indirect ultrasonic excitation of the test part 2.
  • the UIT raschallerreger 5 is now positively secured to a test panel fixture in the form of a gripper 11 of a robot arm 12 attached, said automatic ⁇ schematically by the closing of the gripper 11 the frictional connection with the test part 2 is produced.
  • the test piece 2 can now be be ⁇ seeks by the thermal imaging camera 7 by movement of the robot arm un- ter virtually any 12 angles.
  • the gripper 11 is largely vibration-decoupled from the remainder of the robot arm 12 by a vibration decoupling unit 13.

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

Dans le support de pièce à contrôler pour un contrôle de matériau par vibrations, en particulier un contrôle de matériaux par ultrasons, une unité d'excitation par vibrations est introduite par liaison de force. L'installation de contrôle comporte un tel support de pièce à contrôler ainsi qu'une caméra d'imagerie thermique pour la détection d'une température de l'une des pièces maintenues par le support de pièces à contrôler. Dans le procédé de contrôle des matériaux par vibrations selon l'invention, en particulier de contrôle des matériaux par ultrasons, une énergie vibratoire provenant d'une unité d'excitation par vibrations est appliquée à une pièce à contrôler maintenue par un support de pièces à contrer au moyen de ce support de pièces à contrôler connecté par liaison de force à l'unité d'excitation.
PCT/EP2008/057711 2007-07-10 2008-06-18 Support de pièce à contrôler et dispositif de contrôle de matériau par vibration Ceased WO2009007211A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710032064 DE102007032064A1 (de) 2007-07-10 2007-07-10 Prüfteilhalterung und Verfahren zur Vibrations-Materialprüfung
DE102007032064.9 2007-07-10

Publications (1)

Publication Number Publication Date
WO2009007211A1 true WO2009007211A1 (fr) 2009-01-15

Family

ID=39695438

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/057711 Ceased WO2009007211A1 (fr) 2007-07-10 2008-06-18 Support de pièce à contrôler et dispositif de contrôle de matériau par vibration

Country Status (2)

Country Link
DE (1) DE102007032064A1 (fr)
WO (1) WO2009007211A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8650961B2 (en) 2010-01-27 2014-02-18 Rolls-Royce Plc Apparatus for generating vibrations in a component
CN106338374A (zh) * 2016-09-20 2017-01-18 天津航天瑞莱科技有限公司 振动冲击试验夹具
CN113302467A (zh) * 2019-01-18 2021-08-24 罗伯特·博世有限公司 用于检查构件、尤其是喷射器的方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102494858A (zh) * 2011-11-15 2012-06-13 河海大学 生物材料结构振动形状测试系统
US20140313324A1 (en) * 2011-12-16 2014-10-23 Siemens Aktiengesellshaft Dynamic results projection for moving test object
CN103226053A (zh) * 2013-03-25 2013-07-31 河海大学 非线性材料结构运行模态振型测试系统
DE102013109504B4 (de) * 2013-08-30 2016-07-14 Technische Universität Wien Mechanisches Prüfverfahren für Komponenten der Elektronik
WO2015148208A1 (fr) * 2014-03-28 2015-10-01 United Technologies Corporation Appareil et procédé de test de matériau
CN104440696B (zh) * 2014-12-10 2016-04-20 苏州中盛纳米科技有限公司 批量化mems加速度传感器自动锁紧装置

Citations (8)

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Publication number Priority date Publication date Assignee Title
US4955236A (en) * 1988-11-22 1990-09-11 Nec Environment Engineering Ltd. Method for observation of vibration mode
US5412991A (en) * 1990-03-01 1995-05-09 Qualmark Corporation Screening apparatus for imparting multimodal and multi-axial vibrations to a device
US6247366B1 (en) * 1997-09-15 2001-06-19 Alexander J. Porter Design maturity algorithm
US20040057492A1 (en) * 2002-09-24 2004-03-25 Siemens Westinghouse Power Corporation Self-aligning apparatus for acoustic thermography
US20040119019A1 (en) * 2002-12-20 2004-06-24 The Boeing Company Ultrasonic thermography inspection method and apparatus
US20060075819A1 (en) * 2004-10-12 2006-04-13 National Kaohsiung University Of Applied Sciences Earthquake simulating vibration table
DE102005017467A1 (de) * 2005-04-08 2006-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren für die zerstörungsfreie thermographische Prüfung von Werkstücken
WO2006110636A2 (fr) * 2005-04-08 2006-10-19 Hanse Environmental, Inc. Table vibrante

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6378387B1 (en) * 2000-08-25 2002-04-30 Aerobotics, Inc. Non-destructive inspection, testing and evaluation system for intact aircraft and components and method therefore
EP1582867B1 (fr) * 2002-08-28 2012-05-23 Siemens Energy, Inc. Dispositif et procédé pour excitation sonore moyennant une multitude de fréquence en imagerie infrarouge
US6838670B2 (en) * 2002-11-12 2005-01-04 Siemens Westinghouse Power Corporation Methods and system for ultrasonic thermographic non-destructive examination for enhanced defect determination
US7496454B2 (en) * 2004-07-19 2009-02-24 University Of Virginia Patent Foundation High mast inspection system, equipment and method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955236A (en) * 1988-11-22 1990-09-11 Nec Environment Engineering Ltd. Method for observation of vibration mode
US5412991A (en) * 1990-03-01 1995-05-09 Qualmark Corporation Screening apparatus for imparting multimodal and multi-axial vibrations to a device
US6247366B1 (en) * 1997-09-15 2001-06-19 Alexander J. Porter Design maturity algorithm
US20040057492A1 (en) * 2002-09-24 2004-03-25 Siemens Westinghouse Power Corporation Self-aligning apparatus for acoustic thermography
US20040119019A1 (en) * 2002-12-20 2004-06-24 The Boeing Company Ultrasonic thermography inspection method and apparatus
US20060075819A1 (en) * 2004-10-12 2006-04-13 National Kaohsiung University Of Applied Sciences Earthquake simulating vibration table
DE102005017467A1 (de) * 2005-04-08 2006-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren für die zerstörungsfreie thermographische Prüfung von Werkstücken
WO2006110636A2 (fr) * 2005-04-08 2006-10-19 Hanse Environmental, Inc. Table vibrante

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8650961B2 (en) 2010-01-27 2014-02-18 Rolls-Royce Plc Apparatus for generating vibrations in a component
CN106338374A (zh) * 2016-09-20 2017-01-18 天津航天瑞莱科技有限公司 振动冲击试验夹具
CN113302467A (zh) * 2019-01-18 2021-08-24 罗伯特·博世有限公司 用于检查构件、尤其是喷射器的方法
CN113302467B (zh) * 2019-01-18 2024-06-11 罗伯特·博世有限公司 用于检查构件、尤其是喷射器的方法

Also Published As

Publication number Publication date
DE102007032064A1 (de) 2009-01-15

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