EP2753895A1 - Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé - Google Patents

Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé

Info

Publication number
EP2753895A1
EP2753895A1 EP12759690.6A EP12759690A EP2753895A1 EP 2753895 A1 EP2753895 A1 EP 2753895A1 EP 12759690 A EP12759690 A EP 12759690A EP 2753895 A1 EP2753895 A1 EP 2753895A1
Authority
EP
European Patent Office
Prior art keywords
component
measuring table
cameras
model
reference marks
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.)
Withdrawn
Application number
EP12759690.6A
Other languages
German (de)
English (en)
Inventor
Ronny Jahnke
Tristan Sczepurek
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Priority to EP12759690.6A priority Critical patent/EP2753895A1/fr
Publication of EP2753895A1 publication Critical patent/EP2753895A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object

Definitions

  • the invention relates to a three - dimensional surface inspection system by means of two - dimensional images.
  • a 100% optical inspection of the entire three-dimensional component surface is required. This includes e.g. For turbine blades, the position of the cooling air holes and the complete coating.
  • the object is achieved by a 3D surface inspection system and a method according to claim 14.
  • FIG. 7 shows a turbine blade
  • Figure 1 shows an inventive SD.99.99.
  • the 3D surface inspection system 1 comprises a measuring table 10 on which the component to be examined 4, 120, 130 hands before ⁇ is.
  • the component 4, 120, 130 around at least one camera 7 ' is present, the position of which is altered or multiple cameras 7', 7 V, which are preferably permanently installed ⁇ lines used.
  • the cameras 7 ', 1' ' are arranged so that they cover the entire surface of the component 4, 120, 130, which faces away from the measuring table 10.
  • the installation of the cameras 7 ', 7 ", ... can be varied according to the types of components.
  • type barrel 120 or vane 130
  • a same fixed installation of cameras 7 ', 7 ", ... can be used.
  • At least one reference mark 13 ', 13' ',... is preferably present, in this case preferably eight reference marks.
  • the 3D surface inspection preferably proceeds as follows:
  • the surface detection of the components 4, 120, 130 by means of projected light structure, in particular by stripes, so that edges of the component 4, 120, 130 are better detected.
  • a selective illumination of the component 4, 120, 130 takes place, in particular by means of a projector, so that strongly reflective areas are not or less illuminated.
  • a projector for turbine blades 120, 130 this is for example the blade root 183, 400 (FIG. 7).
  • an external light suppression by mono ⁇ chromatic illumination and image analysis is preferably a ring light on the camera lens and / or it is a side darkfield lighting used to highlight ⁇ ne errors such as scratches, bumps, bruises.
  • the reference mark 13, 13 ' is preferably annular-form ⁇ and / or arranged and has markings 14' - 14 IV.
  • the markings 14 ',... 14 IV may be linear or punctiform (FIGS. 3, 4, 5, 6).
  • FIGS. 2 to 6 show various reference marks which may be arranged or introduced on the measuring table 10.
  • Figure 2 shows a reference mark 13 with two linear markings 14 ', 14''extending radially from a circular line 16 and two V-shaped markings 14'',14''', the tips of which also extend radially.
  • the order of the various markings 14 ', 14 IV of a reference mark 13 is irrelevant (also in FIG. 5).
  • FIG. 3 shows a structure of a circular Referenzele ⁇ ments 13, which by at least two, here four curved li ⁇ nienförmige markings 14 ', ... 14 is formed IV, which preferably form a circular structure here.
  • the outer, closed, circular line 16 may be present or represents only an imaginary line representing the course of the arrangements of the markings 14 ', 14 ",... (FIGS. 2 to 5).
  • linear markings 14 ', 14 "according to FIG. 3 are several punctiform markings 14', 14",... According to FIG. 4, a reference element 13, 13 ', 13 ", form a circle or oval shape.
  • FIG. 6 shows a measuring table 10, on which preferably two reference marks 13 ', 13 "are arranged.
  • the reference marks 13, 13 ' are here linear elements, which are preferably arranged on the front sides of the measuring table 10 ⁇ .
  • the reference marks can also be projected onto any table by means of a projector and then measured (tape measure). This option is to be used preferably at a mo ⁇ bilen system without coded test table.
  • the reference marks 13 are used to determine 130 when the position of which has been changed, the position of the component 4, 120, was turned into special ⁇ (step 9).
  • the Aufnah ⁇ me the component 4, 120, 130 can be linked from both sides. No reference marks are needed on the component 4, 120, 130.
  • FIG. 7 shows a perspective view of a rotor blade 120 or guide vane show ⁇ 130 of a turbomachine, which extends along a longitudinal axis of the 121st
  • the turbomachine may be a gas turbine of an aircraft or a power plant for power generation, a steam turbine or a compressor.
  • the blade 120, 130 has, along the longitudinal axis 121, a fastening area 400, an adjacent blade platform 403 and an airfoil 406 and a blade tip 415.
  • the blade 130 may have at its blade tip ⁇ 415 another platform (not shown).
  • a blade root 183 is formed, which serves for attachment of the blades 120, 130 to a shaft or a disc (not shown).
  • the blade root 183 is, for example, as a hammerhead out staltet ⁇ .
  • Other designs as Christmas tree or Schwalbenschwanzfuß are possible.
  • the blade 120, 130 has for a medium which flows past the scene ⁇ felblatt 406, a leading edge 409 and a trailing edge 412.
  • the blade 120, 130 can be made by a casting process, also by directional solidification, by a forging process, by a milling process or combinations thereof.
  • Workpieces with a single-crystal structure or structures are used as components for machines which are exposed during operation ho ⁇ hen mechanical, thermal and / or chemical stresses.
  • Such monocrystalline workpieces takes place e.g. by directed solidification from the melt.
  • These are casting processes in which the liquid metallic alloy is transformed into a monocrystalline structure, i. to the single-crystal workpiece, or directionally solidified.
  • dendritic crystals are aligned along the heat flow and form either a columnar grain structure (columnar, ie grains that run the entire length of the workpiece and here, in common parlance, referred to as directionally solidified) or a monocrystalline structure, ie the whole workpiece be ⁇ is made of a single crystal.
  • a columnar grain structure columnar, ie grains that run the entire length of the workpiece and here, in common parlance, referred to as directionally solidified
  • a monocrystalline structure ie the whole workpiece be ⁇ is made of a single crystal.
  • directionally solidified microstructures which means both single crystals that have no grain boundaries or at most small angle grain boundaries, and stem crystal structures that have probably longitudinal grain boundaries but no transverse grain boundaries. These second-mentioned crystalline structures are also known as directionally solidified structures.
  • the blades 120, 130 may have coatings against corrosion or oxidation, e.g. B. (MCrAlX; M is at least one element of the group consisting of iron (Fe), cobalt (Co), Ni ⁇ ckel (Ni), X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element the rare earth, or hafnium (Hf)).
  • M is at least one element of the group consisting of iron (Fe), cobalt (Co), Ni ⁇ ckel (Ni)
  • X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element the rare earth, or hafnium (Hf)).
  • Such alloys are known from EP 0 486 489 B1, EP 0 786 017 B1, EP 0 412 397 B1 or EP 1 306 454 A1.
  • the density is preferably 95% of the theoretical Dieh ⁇ te.
  • the layer composition comprises Co-30Ni-28Cr-8A1-0, 6Y-0, 7Si or Co-28Ni-24Cr-10Al-0, 6Y.
  • nickel-based protective layers such as Ni-10Cr-12Al-0.6Y-3Re or Ni-12Co-21Cr-IIAl-O, 4Y-2Re or Ni-25Co-17Cr-10A1-0, 4Y-1 are also preferably used , 5Re.
  • thermal barrier coating which is preferably the outermost layer, and consists for example of Zr0 2 , Y2Ü3-Zr02, ie it is not, partially or completely stabilized by yttria
  • the thermal barrier coating covers the entire MCrAlX layer.
  • Electron beam evaporation produces stalk-shaped grains in the thermal barrier coating.
  • the heat insulation layer may have ⁇ porous, micro- or macro-cracked compatible grains for better thermal shock resistance.
  • the thermal barrier coating is therefore preferably more porous than the
  • MCrAlX layer Refurbishment means that components 120, 130 may have to be freed of protective layers after use (eg by sandblasting). This is followed by removal of the corrosion and / or oxidation layers or products. If necessary, will also
  • the blade 120, 130 may be hollow or solid. If the blade 120, 130 is to be cooled, it is hollow and also has, if necessary, film cooling holes 418 (indicated by dashed lines) on.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Par une simple prise de vue d'images bidimensionnelles et par comparaison avec un modèle 3D connu, on peut par Bestfit appréhender la structure tridimensionnelle réelle d'un composant.
EP12759690.6A 2011-11-02 2012-09-14 Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé Withdrawn EP2753895A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12759690.6A EP2753895A1 (fr) 2011-11-02 2012-09-14 Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11187504.3A EP2589925A1 (fr) 2011-11-02 2011-11-02 Système d'inspection de surface en 3D doté d'enregistrements en 2D et procédé
PCT/EP2012/068046 WO2013064297A1 (fr) 2011-11-02 2012-09-14 Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé
EP12759690.6A EP2753895A1 (fr) 2011-11-02 2012-09-14 Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé

Publications (1)

Publication Number Publication Date
EP2753895A1 true EP2753895A1 (fr) 2014-07-16

Family

ID=46875779

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11187504.3A Withdrawn EP2589925A1 (fr) 2011-11-02 2011-11-02 Système d'inspection de surface en 3D doté d'enregistrements en 2D et procédé
EP12759690.6A Withdrawn EP2753895A1 (fr) 2011-11-02 2012-09-14 Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11187504.3A Withdrawn EP2589925A1 (fr) 2011-11-02 2011-11-02 Système d'inspection de surface en 3D doté d'enregistrements en 2D et procédé

Country Status (4)

Country Link
US (1) US20140232857A1 (fr)
EP (2) EP2589925A1 (fr)
CN (1) CN103906992A (fr)
WO (1) WO2013064297A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013211342A1 (de) * 2013-06-18 2014-12-18 Siemens Aktiengesellschaft Fotobasiertes 3D-Oberflächen-Inspektionssystem
US9305345B2 (en) * 2014-04-24 2016-04-05 General Electric Company System and method for image based inspection of an object
JP2017083234A (ja) * 2015-10-26 2017-05-18 オムロン株式会社 三次元形状計測装置、三次元形状計測システム、プログラム、コンピュータ読み取り可能な記録媒体、および三次元形状計測方法
FR3043193B1 (fr) 2015-11-02 2019-04-19 Mesure-Systems3D Dispositif de controle tridimensionnel sans contact d’une piece mecanique a denture
FR3043194B1 (fr) * 2015-11-02 2019-04-19 Mesure-Systems3D Dispositif de controle tridimensionnel sans contact de pale pour turbomachine, en particulier pour reacteur ou turbine d’aeronef
EP3203264A1 (fr) * 2016-02-04 2017-08-09 Mettler-Toledo GmbH Procédé d'imagerie d'un objet pour le suivi et la documentation dans le transport et le stockage
US10841561B2 (en) * 2017-03-24 2020-11-17 Test Research, Inc. Apparatus and method for three-dimensional inspection
CN108470151A (zh) * 2018-02-14 2018-08-31 天目爱视（北京）科技有限公司 一种生物特征模型合成方法及装置
CN109724531B (zh) * 2018-10-18 2021-05-28 苏州光图智能科技有限公司 360°轮廓测量方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511252A (en) * 1975-08-27 1985-04-16 Robotic Vision Systems, Inc. Arrangement for sensing the geometric characteristics of an object
DE58908611D1 (de) 1989-08-10 1994-12-08 Siemens Ag Hochtemperaturfeste korrosionsschutzbeschichtung, insbesondere für gasturbinenbauteile.
DE3926479A1 (de) 1989-08-10 1991-02-14 Siemens Ag Rheniumhaltige schutzbeschichtung, mit grosser korrosions- und/oder oxidationsbestaendigkeit
RU2147624C1 (ru) 1994-10-14 2000-04-20 Сименс АГ Защитный слой для защиты детали от коррозии, окисления и термической перегрузки, а также способ его изготовления
DE19634254B4 (de) * 1995-09-04 2009-06-10 Volkswagen Ag Optisch-numerisches Verfahren zur Ermittlung der gesamten Oberfläche eines dreidimensionalen Objektes
EP0892090B1 (fr) 1997-02-24 2008-04-23 Sulzer Innotec Ag Procédé de fabrication de structure monocristallines
EP0861927A1 (fr) 1997-02-24 1998-09-02 Sulzer Innotec Ag Procédé de fabrication de structures monocristallines
EP1306454B1 (fr) 2001-10-24 2004-10-06 Siemens Aktiengesellschaft Revêtement protecteur contenant du rhénium pour la protection d'un élément contre l'oxydation et la corrosion aux températures élevées
WO1999067435A1 (fr) 1998-06-23 1999-12-29 Siemens Aktiengesellschaft Alliage a solidification directionnelle a resistance transversale a la rupture amelioree
US6231692B1 (en) 1999-01-28 2001-05-15 Howmet Research Corporation Nickel base superalloy with improved machinability and method of making thereof
EP1204776B1 (fr) 1999-07-29 2004-06-02 Siemens Aktiengesellschaft Piece resistant a des temperatures elevees et son procede de production
US7128270B2 (en) * 1999-09-17 2006-10-31 Silverbrook Research Pty Ltd Scanning device for coded data
US6993167B1 (en) * 1999-11-12 2006-01-31 Polartechnics Limited System and method for examining, recording and analyzing dermatological conditions
US6990228B1 (en) * 1999-12-17 2006-01-24 Canon Kabushiki Kaisha Image processing apparatus
US6985609B2 (en) * 2000-08-30 2006-01-10 Giken Trastem Co., Ltd. Method for identifying an object image
WO2002086420A1 (fr) * 2001-04-19 2002-10-31 Dimensional Photonics, Inc. Appareil, systeme et procede de calibrage
EP1319729B1 (fr) 2001-12-13 2007-04-11 Siemens Aktiengesellschaft Pièce résistante à des températures élevées réalisé en superalliage polycristallin ou monocristallin à base de nickel
DE102004052508B4 (de) * 2004-10-21 2006-08-03 Pixargus Gmbh System und Verfahren zum Vermessen und zum Überwachen der Oberfläche eines Körpers
CN1308652C (zh) * 2004-12-09 2007-04-04 武汉大学 利用单台非量测数码相机进行钣金件三维量测的方法
US8396329B2 (en) * 2004-12-23 2013-03-12 General Electric Company System and method for object measurement
CN101228973B (zh) * 2007-01-22 2011-08-03 殷实 人体外形尺寸非接触式测量方法及测量系统
JP2009031150A (ja) * 2007-07-27 2009-02-12 Omron Corp 三次元形状計測装置、三次元形状計測方法、三次元形状計測プログラム、および記録媒体
CN101509763A (zh) * 2009-03-20 2009-08-19 天津工业大学 单目高精度大型物体三维数字化测量系统及其测量方法
CN101566461B (zh) * 2009-05-18 2010-11-10 西安交通大学 大型水轮机叶片快速测量方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013064297A1 *

Also Published As

Publication number Publication date
WO2013064297A1 (fr) 2013-05-10
CN103906992A (zh) 2014-07-02
EP2589925A1 (fr) 2013-05-08
US20140232857A1 (en) 2014-08-21

Similar Documents

Publication Publication Date Title
WO2013064297A1 (fr) Système d'inspection de surface 3d au moyen de prises de vue 2d et procédé
EP2770296A1 (fr) Procédé de marquage d'objet au moyen d'un système d'inspection de surface en 3D doté d'enregistrements en 2D et procédé
WO2011047995A1 (fr) Analyse de surface pour détecter des trous obturés et dispositif
EP2569594B1 (fr) Analyse de surface pour la détection de trous fermés et procédé de réouverture
WO2014023439A1 (fr) Dispositif de mesure et de protection pour des processus de revêtement
EP2613133B1 (fr) Fabrication de corps de test comparatif pour le contrôle non destructif avec des fissures représentatives relatives à leur orientation et procédé d'examen
EP2878697A1 (fr) Procédé de fabrication d'une fibre, élément doté de fibre et dispositif
EP2312267A1 (fr) Procédé de mesure de l'épaisseur de couche par triangulation laser et dispositif
EP2865781A1 (fr) Couche céramique à deux couches dotée de microstructures différentes
EP2900921B1 (fr) Méthode de traitement d'une pièce avec adaptation à sa géométrie
EP2774710A1 (fr) Surfaces et réparation de fissures par différents matériaux de brasage
EP3775765A1 (fr) Dispositif et procédé pour analyser la surface de composants présentant des ouvertures pour fluide de refroidissement
WO2011045343A1 (fr) Détermination de référence pour la détermination de la position de trous fermés, dispositif et dispositif d'usinage
DE102013223202A1 (de) Geometriebedingte Spritzfleckanpassung bei Beschichtungsverfahren
EP2730364A1 (fr) Support de soudure sur une zone périphérique
EP3774165A1 (fr) Dispositif et procédé pour enlever une matière de revêtement se trouvant dans des ouvertures d'un composant
WO2013068160A1 (fr) Procédé de soudage de rechargement d'une pièce en métal monocristallin ou à solidification directionnelle
EP2743635A1 (fr) Reconnaissance de position de composants
DE102013224566A1 (de) Vorrichtung zur Maskierung auf Wolframlegierungsbasis und eine Wolframlegierung
WO2018137941A1 (fr) Dispositif permettant le contrôle accéléré d'une cavité, en particulier d'écrans thermiques dans une chambre de combustion
EP1978790B1 (fr) Dispositif et procédé destinés au revêtement d'un composant doté d'un dispositif d'ajustement
DE102017209878A1 (de) Vorrichtung zur beschleunigten Inspektion von einem Hohlraum, insbesondere von Hitzeschildelementen in einer Brennkammer
DE102013225917A1 (de) Verfahren und Vorrichtung zum Wiederöffnen von Löchern in einem Bauteil nach einem Beschichtungsprozess
EP2386824A1 (fr) Analyse de surface pour la détection de trous fermés et procédé de réouverture
WO2014056665A1 (fr) Dispositif et procédé pour combiner une mesure combinée de débit d'air et de thermographie

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140407

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIEMENS AKTIENGESELLSCHAFT

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180404