EP2744600A1 - Procédé d'inspection d'un objet pourvu de zones exemptes de matériau - Google Patents

Procédé d'inspection d'un objet pourvu de zones exemptes de matériau

Info

Publication number
EP2744600A1
EP2744600A1 EP12743905.7A EP12743905A EP2744600A1 EP 2744600 A1 EP2744600 A1 EP 2744600A1 EP 12743905 A EP12743905 A EP 12743905A EP 2744600 A1 EP2744600 A1 EP 2744600A1
Authority
EP
European Patent Office
Prior art keywords
free regions
changing unit
test structure
article
free
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Withdrawn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
EP12743905.7A
Other languages
German (de)
English (en)
Inventor
Sandra Streckert
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.)
Eisenmann SE
Original Assignee
Eisenmann SE
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 Eisenmann SE filed Critical Eisenmann SE
Publication of EP2744600A1 publication Critical patent/EP2744600A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/149—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet characterised by colour change manifolds or valves therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
    • B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/17—Mechanical parametric or variational design
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]

Definitions

  • the invention relates to a method for checking an article with material-free areas.
  • components that are used in connection with the application of paints as a rule, relatively complicated channel systems, which thus define material-free areas of this component.
  • An example of such a component is a color change unit, which operates as a distribution unit and which are promoted under defenceli che coatings to an application device
  • fluid media for example, adhesives, cleaning fluids, hydraulic fluids or the like, as well as gaseous fluids, in particular air, are used in the context of e.g. pneumatic controls and the like in question.
  • Undercuts occur or narrow pockets and slots as well as tight curves and the like may be formed, through which the flow of clothing directed through the paint changing unit can be changed.
  • paint nests can form in undercuts, by which, if necessary, a paint that flows past it can be contaminated.
  • This object is achieved in a method of the aforementioned type by creating an objective three-dimensional test structure comprising a negative mold of the material-free regions.
  • the article comprises a plurality of material-free regions isolated from one another by surrounding material
  • these isolated material-free regions in the test structure are each in the form of a single negative mold, which are connected to one another via at least one connecting element. Otherwise, single negative molds would be created, which would then be present as loose individual bodies without reflecting the relative position of the material-free regions in question in the article.
  • the method is particularly suitable for articles whose material-free regions comprise a channel system.
  • the test structure is preferably made by means of a generative manufacturing process.
  • the computer model of the material-free regions is created by means of a CAD system as an inverted model based on a CAD model of the article.
  • the method could be used particularly well for objects through which fluid media can flow. With these it is important, as mentioned above tig, that the fluid flow is guided largely trouble-free through the channel system of the component.
  • Figure 1 as an example of a test object, a perspective view of a color changing unit for
  • FIG. 2 shows an objective three-dimensional test structure which comprises a negative mold of the material-free regions of the color-changing unit
  • FIG. 3 shows a perspective view of a color change unit, which has a more complicated structure than the color change unit of FIG. 1.
  • FIG. 1 shows, as an example of an object to be checked, a color changing unit 10 with a one-piece housing block 12, as is known per se and through which lacquers to be applied are flowed through.
  • test structure 16 In the housing block 12, a total of 14 designated material-free areas are present, which can be seen in the form of a test structure 16 in Figure 2, which is formed representational and three-dimensional in practice.
  • the test structure 16 comprises a negative mold 18 of the material-free regions 14 of the color-changing unit 10.
  • FIG. 2 those regions and sections of the negative mold 18 which reflect subsequently explained material-free regions and portions of the color-changing unit 10 are given the same reference numerals as those material-free regions in FIG 1. Partially explained below channels and rooms in the interior of the color changing unit 10 only from FIG 2 can be seen.
  • a discharge connection bore 22 is provided, which opens into a central distribution space 24.
  • the distribution space 24 may communicate via the delivery port 22, e.g. be connected to the supply line of an electrostatically operating application device, not shown here.
  • valve receiving holes 30, which each open into the distribution chamber 24 adjacent pre-chambers 32.
  • the prechambers 32 in turn communicate with the distributor chamber 24 via a respective valve seat-like opening 34.
  • This opening 32 can be closed by the closing element of a non-specifically shown here, sitting in the valve receiving bore 30 pressure-air valve, as it is known in and of itself.
  • each antechamber 32 From the antechambers 32 each have a side channel 36, which extends in the direction of a further, surrounded by the discharge side 20 and the end faces 26 and 28 inlet side 38 and opens into an inlet connection bore 40 which terminates flush with the inlet side 38.
  • the color changing unit 10 can be connected to a supply hose of a specific color receiving reservoir, wherein the two latter components are not shown here.
  • Each auxiliary channel 36 is connected via the associated antechamber 32 and the opening 34 with the distributor space 24 of the color changing unit 10.
  • Each of the valve receiving bores 30 is preceded by a compressed air channel 42, which in each case in a compressed air connection bore 44 for a not shown here Compressed air hose of a valve control, also not shown here opens.
  • a compressed air channel 42 which in each case in a compressed air connection bore 44 for a not shown here
  • Compressed air hose of a valve control also not shown here opens.
  • two parallel fastening passages 46 extend, through which screws can be guided, by means of which the color changing unit 10 can be fastened to, for example, a robot arm.
  • the through-bores 46 are of stepped design, so that the head of a corresponding screw can be lowered.
  • the delivery connection bore 22, the distributor chamber 24, the valve receiving bores 30 with the prechambers 32, the auxiliary channels 36 and the inlet connection bores 40 as well as the compressed air channels 42 and the compressed air connection bores 44 form a channel system 48 overall the color changing unit 10.
  • the channel system 48 illustrated here is of relatively simple construction. However, as already explained, undercuts may already occur in the channel system 48 or narrow pockets and slots as well as tight curves and the like may be formed, through which the flow of paint passed through the color changing unit 10 may be obstructed.
  • FIG. gur 3 a As an example of an article which comprises a more complex channel system or a more complex system 50 of material-free regions than the color-changing unit 10, is shown in FIG. gur 3 a relative to the color changing unit 10 larger color changing unit 10 'shown.
  • otherwise functionally equivalent components bear the same reference numerals, as in the color changing unit 10.
  • an objective three-dimensional test structure is thus created, as shown by way of example in FIG. 2 in the form of the test structure 16 for the material-free regions 14 of the color-changing unit 10.
  • the fixing passages 46 and the channel system 48 are respectively formed separated from each other by material of the housing block 12.
  • the channel system 48 and the two fastening passages 46 thus each form material-free regions of the color-changing unit 10, which are insulated from one another by surrounding material of the housing block 12.
  • the negative mold 18 of the material-free regions 14 of the color-changing unit 10 thus comprises three individual negative molds: a first single negative mold 54 of the duct system 48, a second single negative mold 56 of one of the two fixing passages 46, and a third single negative mold 58 of the other of the two Mounting passages 46.
  • FIG. 2 only one such connecting element in the form of a bridge element 60 is indicated by dashed lines by way of example, which connects the first individual negative mold 54 of the channel system 48 and the second single negative mold 56 of the one fastening passage 46 to one another.
  • the third single negative mold 58 may be connected via a corresponding connecting member to the first single negative mold 54 of the channel system 48 or also or in addition to the second single negative mold 56 of the first fastening passage 46.
  • test structure can be produced in particular by means of
  • FDM Fused Deposition Modeling
  • Materials here are preferably acrylonitrile-butadiene-styrene copolymer (ABS) and polycarbonates.
  • SLM Selective laser melting
  • thermoplastics such as polycarbonates, polyamides or polyvinyl chloride, but also metals or ceramics can serve as base material.
  • test structure 14 for the color-change unit '10
  • use is made or to an existing CAD model of the color changing unit 10 initially creates such a by means of a per se known to the CAD system.
  • a computer model of the material-free regions 14 is created by the CAD system as an inverted model based on the CAD model of the color-changing unit 10.
  • the computer model of the material-free regions 14 then provides the operating parameters for the additive manufacturing process used and the test structure 16 is manufactured.
  • One or more connecting links 60 can - if required - be manually specified or automatically calculated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'invention concerne un procédé d'inspection d'un objet (10; 10') pourvu de zones (14) exemptes de matériau, selon lequel une structure d'essai (16) tridimensionnelle constituant l'objet est créée et comporte une forme négative (18) des zones (14) exemptes de matériau.
EP12743905.7A 2011-08-17 2012-08-08 Procédé d'inspection d'un objet pourvu de zones exemptes de matériau Withdrawn EP2744600A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011110861A DE102011110861B4 (de) 2011-08-17 2011-08-17 Verfahren zur Überprüfung eines Gegenstands mit materialfreien Bereichen
PCT/EP2012/003375 WO2013023756A1 (fr) 2011-08-17 2012-08-08 Procédé d'inspection d'un objet pourvu de zones exemptes de matériau

Publications (1)

Publication Number Publication Date
EP2744600A1 true EP2744600A1 (fr) 2014-06-25

Family

ID=46639433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12743905.7A Withdrawn EP2744600A1 (fr) 2011-08-17 2012-08-08 Procédé d'inspection d'un objet pourvu de zones exemptes de matériau

Country Status (5)

Country Link
US (1) US9524367B2 (fr)
EP (1) EP2744600A1 (fr)
CN (1) CN103635262B (fr)
DE (1) DE102011110861B4 (fr)
WO (1) WO2013023756A1 (fr)

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US9452840B2 (en) * 2014-04-15 2016-09-27 The Boeing Company Monolithic part and method of forming the monolithic part
DE102015205543A1 (de) * 2015-03-26 2016-09-29 Robert Bosch Gmbh Hydraulikblock für ein Hydroaggregat einer Bremsregelung einer hydraulischen Fahrzeugbremsanlage

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ATE120065T1 (de) * 1989-07-26 1995-04-15 Siemens Audiologische Technik Verfahren und vorrichtung zur herstellung einer gehäuseschale eines in-dem-ohr-hörgerätes sowie nach dem verfahren hergestellte gehäuseschale.
DE4135153C2 (de) * 1991-10-25 2000-06-08 Wolfgang Rausch Gmbh & Co Kg Vorrichtung für die Innenprüfung von Rohren
DE19747551C2 (de) * 1997-10-28 1999-12-23 Fitr Ges Fuer Innovation Im Ti Prüfvorrichtung und -verfahren zur Zustandserkennung und Diagnose von Hohlräumen wie Rohre oder Kanäle
DE19934527C2 (de) * 1999-07-22 2002-02-28 Rothenberger Werkzeuge Ag Geräteeinheit für die Inspektion von Hohlräumen mit einer Video-Kamera
US20020093115A1 (en) * 2001-01-12 2002-07-18 Jang B. Z. Layer manufacturing method and apparatus using a programmable planar light source
DE10209593B4 (de) * 2002-03-05 2005-03-24 Schott Ag Verfahren zur Qualitätskontrolle und Schnittoptimierung von optischen Rohmaterialien
US8086336B2 (en) * 2002-09-30 2011-12-27 Medical Modeling Inc. Method for design and production of a custom-fit prosthesis
EP1549244B1 (fr) 2002-10-03 2012-06-27 Cadent Ltd. Procede de preparation d'un modele physique de dents
DE202007019098U1 (de) * 2007-06-22 2010-08-12 Automation W + R Gmbh Anordnung zur optischen Überprüfung von einseitig offenen tunnelartigen Hohlräumen in Werkstücken, insbesondere von Kühlkanälen in Bremsscheiben
DE102008047118B4 (de) 2008-09-15 2024-02-01 Dürr Systems Ag Lackieranlagenbauteil
DE102008060985A1 (de) * 2008-12-06 2010-06-10 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Prüfverfahren und Vorrichtung zur Durchführung des Prüfverfahrens
JP2010281786A (ja) * 2009-06-08 2010-12-16 Denso Wave Inc 視覚検査装置の評価システム

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Also Published As

Publication number Publication date
US20140222183A1 (en) 2014-08-07
DE102011110861B4 (de) 2013-06-20
CN103635262B (zh) 2017-02-22
CN103635262A (zh) 2014-03-12
WO2013023756A9 (fr) 2014-03-20
DE102011110861A1 (de) 2013-02-21
US9524367B2 (en) 2016-12-20
WO2013023756A1 (fr) 2013-02-21

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