Injection molding simulation for beginners / Ruben Schlutter.

Bibliografia na stronach 243-250. Indeks.

Intro -- Contents -- Preface -- The Author -- 1 Overview of Finite Elements Analysis -- 1.1 Introduction -- 1.2 Applications of Finite Elements Analysis -- 1.3 Basics of Model Building -- 1.3.1 Requirements Imposed on Models -- 1.3.2 Methods of Model Building -- 1.3.3 Requirements Imposed on the Model Builder -- 1.3.4 Model Validation and Model Verification -- 1.4 Finite Elements Analysis -- 1.5 Basic Rules for the Correct Use of FEA -- 1.5.1 Sources of Error -- 1.5.2 Build-up of the Mesh -- 1.5.3 Accuracy of the Results -- 2 Injection Molding Simulation -- 2.1 Introduction -- 2.2 Convenient Time Points for Injection Molding Simulations -- 2.3 Workflow of an Injection Molding Simulation -- 2.4 Mesh Design and Model Generation -- 2.4.1 Plastic-compatible design of the molded part -- 2.4.2 Layout of the Runner System -- 2.4.4 Basics of Fluid Mechanics -- 2.4.5 Mesh design -- 2.4.6 Evaluation of the Mesh Quality -- 2.4.6.1 Mesh Quality in Moldex3D -- 2.4.6.2 Mesh Quality in Autodesk Moldflow Insight -- 2.4.6.3 Mesh Quality in CADMOULD -- 2.4.6.4 Conclusion -- 2.5 Modeling of the Injection Molding Process -- 2.5.1 Compact Injection Molding -- 2.5.2 Multi-component Injection Molding -- 2.5.3 Sandwich Injection Molding -- 2.5.4 Gas-assisted Injection Molding -- 2.5.5 Compression Molding -- 2.5.6 Thermoplastic Foam Injection Molding -- 2.5.7 Reactive Injection Molding with Thermosets -- 2.5.8 Approaches to Numerical Simulation of Melting Behavior -- 2.6 Basics of Material Data -- 2.6.1 Structure of Plastics -- 2.6.2 Rheological Behavior of a Thermoplastic Melt -- 2.6.3 The p-v-T Chart -- 2.6.4 Measurement of the Thermal Parameters -- 2.6.5 Specific Heat capacity -- 2.6.6 Thermal Conductivity -- 2.6.7 Coefficient of Thermal Expansion -- 2.6.8 Mechanical Properties -- 2.6.9 Orientation Effects -- 2.6.10 Crystallization of Plastics.

2.6.11 Material Selection for Plastic Molded Parts -- 2.7 Quality of Injection Molding Simulations -- 2.8 Results Interpretation -- 2.8.1 Filling Pattern -- 2.8.2 Flow Front Temperature -- 2.8.3 Temperature Distribution in the Molded Part -- 2.8.4 Pressure Distribution in the Molded Part -- 2.8.5 Shear Rate in the Part -- 2.8.6 Shrinkage of the Molded Part -- 2.8.7 Fiber Orientation in the Molded Part -- 2.8.8 Warpage of the Molded Part -- 2.8.9 Cooling of the Molded Part -- 2.8.10 Evaluation by Means of Automated Variant Analysis -- 3 Pressure Losses in the Injection Molding Process -- 3.1 State of the Art -- 3.2 Process Measurement Technology -- 3.2.1 Pressure Sensors -- 3.2.2 Temperature Sensors -- 3.2.3 Volumetric Flow Sensors -- 3.2.4 Setting Up a Measurement Environment -- 3.3 Performing Injection Molding Tests -- 3.3.1 Plastic Materials Used -- 3.3.2 Preparations for the Injection Molding Tests -- 3.3.3 Evaluation of the injection molding tests -- 3.4 Performing Injection Molding Simulations -- 3.4.1 Design of the Simulation Model -- 3.4.2 Analysis of the Injection Molding Simulations -- 3.5 Differences Between the Actual Injection Molding Process and the Injection Molding Simulation -- Literature -- Index.