评估用于注塑电子产品的功能性嵌件的热成型拉伸.pdf

1、Evaluating Thermoforming StretchEduard Almar OlivaResearcher2EurecatPlastronicsComputer visionPhotogrammetryValidationThermoformingStretch evaluationTable of contentsDiscoveryResearchBusinessesBasic researchApplied researchProduct developmentManufacturingTECH PUSHMARKET PULL3IndustrialAreaDigitalAre

2、aBiotechnologyAreaSustainability AreaEurecat4PrintingTo obtain functional films by deposition of inks on plastic substrates HybridizationThermoformingInjectionTo place electronic components on the functional filmTo deform functional films from 2D to 3D form.To encapsulate the films and electronics.P

3、lastronics5ThermoformingPreheated plastic sheetMoldClampsAir pressureVacuum pressureProcess6BeforeAfterThermoformingResults7PhotogrammetryIdeaCameraDiffuse LightLight boxFilmPhotogrammetryReal setupSetup 89PhotogrammetryMoldMarkerInput images10Photogrammetry resultsResults11TextureMesh3D ObjectPhoto

4、grammetry resultsResults123D objectReal imagePhotogrammetryComparison of results13Original textureReconstructed textureComputer visionPreprocessing14Reconstructed textureBinary imageComputer visionBinarizing15Binary image3D objectTransform 2D to 3DComputer visionTransformation16Computer visionTransf

5、ormation results17Methods for evaluating deformationAxis lengths:Distances between centroids:=00=00=00=00Deformation calculationOriginal mesh 2DDeformed mesh 3DOriginal mesh 2DDeformed mesh 3D18Deformation resultsColor map 3D of centroid distances in x direction19Deformation resultsColor map 3D of c

6、entroid distances in y direction20Deformation resultsColor map 2D of centroid distances in x direction21Deformation resultsColor map 2D of centroid distances in y direction22System validation50 Measuring pointsAverage measure 6 mmAverage er