http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a systematic approach to solving plastic extrusion problems
Noriega E., Maria del Pilar (Noriega Escobar)
Troubleshooting extrusion problems is one of the most challenging tasks in extrusion operations, requiring a good understanding of the extrusion process and the material properties, good instrumentation, good analysis tools, and a systematic and logical approach. This book addresses all issues crucial in extrusion troubleshooting.
Intro -- Contents -- Acknowledgments -- Preface -- List of Acronyms -- 1 Requirements for Efficient Troubleshooting -- 1.1 Instrumentation -- 1.2 Understanding the Extrusion Process -- 1.3 Collection and Analysis of Historical Data (Time Line) -- 1.4 Team Building -- 1.5 Condition of the Equipment -- 1.6 Information about the Feed Stock -- 1.7 Problem-Solving Techniques -- 1.8 Collection and Interpretation of Extrusion Process Data -- 1.8.1 Introduction -- 1.8.2 Vital Signs of the Extrusion Process -- 1.8.2.1 Melt Pressure -- 1.8.2.2 Melt Temperature -- 1.8.2.3 Training -- 1.8.3 Conclusions
2 Tools for Troubleshooting -- 2.1 Temperature Measurement Devices -- 2.2 Data Acquisition Systems -- 2.2.1 Portable Data Collectors/Machine Analyzers -- 2.2.2 Fixed-Station Data Acquisition Systems -- 2.3 Light Microscopy -- 2.4 Thermochromic Materials -- 2.5 Thermal Analysis, IR Spectroscopy, and Rheometry -- 2.5.1 Differential Thermal Analysis and Differential Scanning Calorimetry -- 2.5.2 Thermogravimetric Analysis -- 2.5.3 Fourier Transform Infrared Spectroscopy -- 2.5.4 Thermomechanical Analysis -- 2.5.5 Torque Rheometry -- 2.5.6 High Pressure Capillary Rheometry
2.5.7 Rotational Rheometry -- 2.5.8 Other Thermal Characterization Techniques -- 2.6 Miscellaneous Tools -- 2.6.1 Infrared Thermography -- 2.6.2 The Smartphone -- 2.6.3 Power Measurements -- 3 Systematic Troubleshooting -- 3.1 Upsets versus Development Problems -- 3.2 Machine-Related Problems -- 3.2.1 The Drive System -- 3.2.2 The Feed System -- 3.2.3 The Heating and Cooling System -- 3.2.4 How Screw Design Can Affect Extruder Performance -- 3.2.5 Wear Problems -- 3.2.5.1 Wear Mechanisms -- 3.2.5.2 Test Methods for Wear -- 3.2.5.3 Causes of Wear -- 3.2.5.4 Solutions to Wear Problems
3.2.5.5 Rebuilding Worn Screws and Barrels -- 3.2.6 Screw Binding -- 3.2.6.1 Extrusion of Fluoropolymers -- 3.2.6.2 The Mechanics of Screw Binding -- 3.2.6.3 Changes in Clearance Due to Temperature Differences -- 3.2.6.4 Analysis of Temperature Distribution in Extruder Screws -- 3.2.6.5 Change in Clearance Due to Compressive Load -- 3.2.6.6 Results from Analysis -- 3.3 Polymer Degradation -- 3.3.1 Types of Degradation -- 3.3.1.1 Thermal Degradation -- 3.3.1.2 Mechanical Degradation -- 3.3.1.3 Chemical Degradation -- 3.3.2 Degradation in Extrusion -- 3.3.2.1 Residence Time Distribution
3.3.2.2 Temperature Distribution Simple Calculations -- 3.3.2.3 Temperature Distribution Numerical Calculations -- 3.3.2.4 Reducing Degradation -- 3.4 Extrusion Instabilities -- 3.4.1 Frequency of Instability -- 3.4.1.1 High-Frequency Instabilities -- 3.4.1.2 Screw Frequency Instabilities -- 3.4.1.3 Low-Frequency Instabilities -- 3.4.1.4 Very Slow Fluctuations -- 3.4.1.5 Random Fluctuations -- 3.4.2 Functional Instabilities -- 3.4.2.1 Solids-Conveying Instabilities -- 3.4.2.2 Plasticating Instabilities -- 3.4.2.3 Melt-Conveying Instabilities -- 3.4.2.4 Devolatilization Instabilities
Maria del Pilar Noriega E., Chris Rauwendaal.
Plný text je dostupný pouze z IP adres počítačů Univerzity Tomáše Bati ve Zlíně nebo vzdáleným přístupem pro zaměstnance a studenty
Includes bibliographical references and index.