Técnicas de Ingeniería Inversa para diseño Producto “3D Scanning is a Powerful Engineering and Quality Control tool”. Javier Yasno Gutiérrez Noviembre del 2011
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Agenda
¿Quienes somos? ¿Quién usa estas tecnologías? ¿ Que es la Ingeniería Inversa ? Usos de la Ingeniería Inversa Diseño tradicional vs Ingeniería Inversa Aplicaciones basicas de un escaner 3D Evolucion de los escaner 3D Tipos de escaner 3D Beneficios de un escaneo 3D
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¿ Quienes somos ?
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¿ Quién usa estas tecnologias?
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Que es la Ingeniería Inversa? Reverse Engineering (RE)
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En la actualidad, la ingeniería inversa es un método válido para la creación o recreación de nuevos productos a partir de productos existentes y a veces obsoletos, la copia de modelos sin necesidad de planos y hasta para la evaluación de conformidad de modelos CAD 3D con modelos originales o pruebas de manufactura.
Aunque los nuevos sistemas de CAD facilitan el diseño del producto, hay que desarrollar nuevas aplicaciones que permitan obtener un diseño confiable y funcional disminuyendo los tiempos de diseño con objeto de minimizar el incremento de coste de fabricación.
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Usos de la Ingeniería Inversa La ingeniería inversa es un proceso ó un método valido para la:
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Creación o recreación de nuevos productos (modelo/obsoleto) Producción en serie producto (Ausencia de datos del modelo) Evaluación conformidad modelo real vs CAD (control de calidad) Reconstrucción y/o modelado superficies complejas (tipo A) Modelado CAD 3D (parametrico/no parametrico) Estudios de estilos (forma, dimensión, funcionalidad, etc…) Comparaciones con el mercado (Benchmarking) Reproducción dispositivos/herramental (desgaste moldes/troqueles) 6
Diseño tradicional vs Ingeniería Inversa Toma las partes reales y las transforma en conceptos y modelos para análisis, modificaciones o evaluación
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Transforma conceptos y modelos en partes reales
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¿Para que se usa un escáner 3D?
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Aplicaciones básicas de un escáner 3D
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Hay muchas aplicaciones para los escaner 3D, basicamente las podemos agrupar en dos grandes grupos:
Ingenieria Inversa
Inspección dimensional 9
The Power of 3D Scanning
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Evolución de los escáner 3D
Application Development Sofware Capabilites Computer Power
3D Scanner Specifications 1990
1995
2000
2005
Research Tool
2010
Production Tool
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Tipos de escáner 3D
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Otros tipos de tecnologías
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¿Que se puede escanear?
Facilities Planning
Aerospace
Building Design
Reconstruction
Defense
Heritage
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Automotive & Shipbuilding
Survey As-Builts
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¿Cómo funciona un escáner 3D?
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Beneficios de un escaneo en 3D
1 Dimension / Minute
1 Point / Second
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1 Shape / Second
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Beneficios de un escaneo en 3D
VS.
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Beneficios de un escaneo en 3D
VS.
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Beneficios de un escaneo en 3D
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Fases de un escaneo
1 2 3 4
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¿ Paramétrico o NO Paramétrico ?
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NO PARAMETRICO (NURBS)
PARAMETRICO
Modificable en el futuro?
Requiere el modelo con todos sus detalles? 22
Intención de diseño
Pos-procesamiento de datos escaneados
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Analisis FEA, CFD, duplicación, inspección y diseño de forma libre
Datos escaneados
Creación de superficies
Conversión a poligonos
NO PARAMETRICO (NURBS) 23
Intención de diseño final
Pos-procesamiento de datos escaneados
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Modelo CAD parametrico 3D
Datos escaneados
Conversión a poligonos
Clasificación regiones
PARAMETRICO
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Creación de superficies
Conversión a modelo CAD parametrico
Applications Facilities Planning Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans
• As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Iron Foundry Plant • Engineering Analysis & Simulation • Asset Management & Dimension Control • Facilities Renovation • Assessing Upgrade and Retrofit Benefits • Visualization
Applications Building Design Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Building • Renovation and Structural Rehabilitation • Intelligent Transportation Systems • Visualization • Real Estate Applications
Applications Building Design Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans
• As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Old Buildings • Structural Testing & Validation • Renovation and Structural Rehabilitation • Visualization & Graphic Animations • GIS(Geographic Information System) Applications
Applications Reconstruction Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Architecture • Structural Testing & Validation • Facility & Land Management • Land Information Systems • Visualization & Graphic Animations • GIS(Geographic Information System) Applications
Applications Reconstruction Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Architecture • Structural Testing & Validation • Facility & Land Management • Land Information Systems • Visualization & Graphic Animations • GIS(Geographic Information System) Applications
Applications Automotive Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• Extracting Freeform Shape by NURBS surface fitting method • As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Truck • Design Validation & Modification • Digital Mock-Ups • Engineering Analysis & Simulation • Repairing & Manufacturing Parts • Visualization & Graphic Animations • Making Miniatures
Applications Automotive Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• Extracting Freeform Shape by NURBS surface fitting method • As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Truck • Design Validation & Modification • Digital Mock-Ups • Engineering Analysis & Simulation • Repairing & Manufacturing Parts • Visualization & Graphic Animations • Making Miniatures
Applications Automotive Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• Extracting Freeform Shape by NURBS surface fitting method • As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Truck • Design Validation & Modification • Digital Mock-Ups • Engineering Analysis & Simulation • Repairing & Manufacturing Parts • Visualization & Graphic Animations • Making Miniatures
Applications Shipbuilding Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• Extracting Freeform Shape by NURBS surface fitting method • As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Boat • Design Validation & Modification • Digital Mock-Ups • Engineering Analysis & Simulation • Repairing & Manufacturing Parts • Visualization & Graphic Animations • Making Miniatures
Applications Aerospace Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• Extracting Freeform Shape by NURBS surface fitting method • As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Airplane • Design Validation & Modification • Digital Mock-Ups • Engineering Analysis & Simulation • Repairing & Manufacturing Parts • Visualization & Graphic Animations • Making Miniatures
Applications Aerospace Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh by using the Mesh Buildup Wizard • Intelligently Recognizing Feature Regions
• As-Built 3D Feature Modeling • Intelligent Pipe Modeling Wizard • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream • Repairing & Supplementing Design
Gas Turbine • Design Validation & Modification • Digital Mock-Ups • Engineering Analysis & Simulation • Repairing & Manufacturing Parts • Visualization & Graphic Animations
Applications Defense Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream • Repairing & Supplementing Design
Old Tank • Design Validation & Modification • Digital Mock-Ups • Engineering Analysis & Simulation • Repairing & Manufacturing Parts • Visualization & Graphic Animations
Applications Heritage Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes • Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh
Sculpture • Mock-Up Design • Rapid Prototyping (3D Printing) • Shape Restoration • Visualization & Graphic Animations • History Archival
Mesh Optimization • Intelligent Mesh Healing Wizard • Easy to fill Holes • Powerful Mesh Optimization Tools • Accuracy Confirmation • Exporting Section Curves in AutoCAD DXF File Format
Applications Heritage Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools • Aligning Scans & Constructing Mesh • Intelligently Recognizing Feature Regions
• As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Tower • Structural Testing & Validation • Maintaining Sculpture & Dimension Controls • Shape Restoration • Visualization & Graphic Animations • History Archival
Applications Survey As-Builts Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and 3D Feature Modeling
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools
• Surveying As-Built • As-Built 3D Feature Modeling • Various Feature Modeling Wizards • Accuracy Confirmation • Exporting to Downstream
Bridge • Structural Testing & Validation • Engineering Analysis & Simulation • Renovation and Structural Rehabilitation • Repairing & Manufacturing Parts • Visualization & Graphic Animation
Applications Survey As-Builts Scanning by Long-Range 3D Scanner
Using Massive Numbers of Point Clouds or Meshes
Extracting Feature Information and Surveying As-Built
• Cleaning & Editing • Analyzing Shapes using Various Viewing Tools
• Measuring Distance & Height • Extracting Feature Profiles • Exporting to Downstream
Station • Structural Testing & Validation • Engineering Analysis & Simulation • Renovation and Structural Rehabilitation • Repairing & Manufacturing Parts • Visualization & Graphic Animations
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Como se involucra la RE en un proceso de diseño
Tristan Adam Accidente a los 5 años Sindrome de Compartimento A los 9 años perdida funcionalidad mano izquierda Movimiento limitado de la mano y dedos Muñeca cerrada y doblada a un solo lado Mal crecimiento del brazo izquierdo Brazo izquierdo mas corto que brazo derecho
Antes…
Después… 42
El antes….
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Lamina metalica recubierto con protector termoplastico Sujetadores y ajustes de velcro NO funcional, solo esta adaptado a la forma de la mano y el brazo con poca protección
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¿Como mejorar esto? La Inspiración IronMan
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17 años como diseñador industrial (David Adam)
Herramientas Equipos disponibles y software de diseño o Observación o Brainstorming (Lluvia de ideas) o Conceptualización/Bocetos o Escaneo 3D o Molde o Software de diseño
Meta Diseñar y construir un dispositivo novedoso, adaptable, liviano, funcional, seguro y ajustable para el brazo de Tristan 44
Proceso de diseño Fases
Que usar?
Idea
Geometría existente
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Brazo izquierdo
Concepto
Que hacer?
Que modelar en 3D?
Molde
Modelo solido
Fundición
Vistas de dibujo
Escaneo Plantillas
Procesado Dibujos impresos
Croquis
Modelación
Croquizar Bocetos
Alineación Croquis basados en modelo escaneado
Superficies
Solidos
Prototipado
Impresora 3D
Ensamble Pruebas reales del prototipo
Modificación 45
Creando la idea: ¿Donde empezar?
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Geometria de referencia existente Creación del molde Fundicion (yeso)
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Creando la idea: Escaneo
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Formatos de salida .txt
.pdf
Nube de puntos
Inspección
Poligonos
Ingenieria
Prototipado
Animación
.sldprt
.stl
.obj
.x_t / .x_b
.3ds
.stp
.wrl
.igs
+ muchos otros formatos para guardar! 48
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Creando la idea: Pos-procesamiento
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Creando la idea: Modelo final en SolidWorks
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Pre-croquizado de conceptos
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Observación de resultados preliminares
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1.Soporte superior mano 2. Soporte ante-brazo 3. Base de la mano (palma) 4. Parte posterior ante-brazo 5. Conectores
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Croquizado de conceptos
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Mas intenciones de diseño….
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Boceto final preliminar
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Teoría de modelación
CAD Model with History Tree
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Croquis de imagen: Primer referencia
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Planos de referencia, croquis 2D y 3D
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Modelación de superficies
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Modelación de piezas individuales
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Ensamble de partes
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Primer prototipo
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Modificaciones al modelo
Fork attachment Ι © Dassault Systèmes Ι Confidential Information Ι
Splint hand bottom
Splint bottom forearm
Splint top of forearm
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Renderizado al diseño final
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Diseño final: Listo para el segundo prototipo
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Listo para fabricación….
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Cada vez mas cerca….
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