Handbook of molded part shrinkage and warpage / / Jerry M. Fischer
| Handbook of molded part shrinkage and warpage / / Jerry M. Fischer |
| Autore | Fischer Jerry M |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | Waltham, Mass., : William Andrew, 2013 |
| Descrizione fisica | 1 online resource (289 p.) |
| Disciplina |
668.4/12
668.412 |
| Collana | PDL handbook series |
| Soggetto topico | Plastics - Molding |
| ISBN |
1-4557-3057-2
1-283-85408-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Handbook of Molded Part Shrinkage and Warpage; Copyright; Contents; Preface; Acknowledgments; 1 - Introduction to Injection Molding; 1.1 Introduction to Plastics; 1.2 Interactivity Basics; 1.3 Thermal Principles Governing Injection Molding; References; 2 - Shrinkage and Warpage; 2.1 In-Mold Shrinkage; 2.2 Warpage; 2.3 Postmold Shrinkage; References; 3 - Causes of Molded-Part Variation: Part Design; 3.1 Wall Thickness; 3.2 Ribs; 3.3 Bosses; 3.4 Example of Proper Part Design; 3.5 Other Design Considerations; References; 4 - Causes of Molded-Part Variation: Material
4.1 Amorphous and Semicrystalline Resins4.2 Effects of Fillers, Reinforcements, Pigments, Time, and Stress; 4.3 Shrinkage Predictions: Using PVT Relationships; References; 5 - Causes of Molded-Part Variation: Mold Design; 5.1 Cavity Dimensions and Design Factors; 5.2 Gate Types; 5.3 Gate Location; 5.4 Gate Size; 5.5 Gate Design Systems; 5.6 Runner Design; 5.7 Mold Cooling Design; 5.8 Mold Construction Materials; 5.9 Prototype Molding with Stereolithography or Similar Type Molds; 5.10 Pitfalls to Avoid; References; 6 - Causes of Molded Part Variation: Processing; 6.1 Molding Conditions 6.2 Injection Melt Temperature6.3 Injection Rate and Pressure; 6.4 Holding Pressure and Time; 6.5 Mold Temperature; 6.6 Demolding Temperature; 6.7 Molded-In Stresses; 6.8 Other Molding Processes; References; 7 - Factors Affecting Postmold Shrinkage and Warpage; 7.1 Effects of Temperature on Dimensions; 7.2 Effects of Moisture on Dimensions; 7.3 Creep; References; 8 - Controlling Mold and Postmold Shrinkage and Warpage; 8.1 Finding the Cause; 8.2 Processing Considerations; 8.3 Material Considerations; 8.4 Tooling Considerations; 8.5 Part Geometry; 8.6 Controlling Warpage; References 9 - Computer-Aided Analysis9.1 Capabilities of CAA; 9.2 Limitations of CAA; 9.3 Selecting a CAA Program; 9.4 Customer Requirements; 9.5 Management Tools; 9.6 Filling Analysis; 9.7 Packing and Holding Simulation; 9.8 Shrinkage/Warpage Simulation; 9.9 Cooling Analysis; 9.10 Costs; 9.11 Conclusions; References; 10 - Case Studies; 10.1 Unexpected Housing Shrink; 10.2 Changing Materials Triggers Warpage; 10.3 Creep in a Water Heater Stand; 10.4 Oversize Part Injection-Molding Alkyd Thermoset; 10.5 Inadequate Baby Dish Mold; 10.6 Gas Entrapment in Baby Dish Mold; 10.7 Warpage in a Molded Spool 10.8 Daisy-Wheel Breakage10.9 PVC Part-Flashing Problems; 10.10 Polycarbonate Switch Failure; 10.11 Square Poker-Chip Tray: Inadequate Shot Size; 10.12 Problem Ejecting Square Poker Chips; 10.13 Military Cup Material "Shrinkage"; 10.14 Core-Deflection Problems; 10.15 Elevator Gib Warpage; 10.16 Sucker-Rod Guide Brittleness; 10.17 Bottle-Cap Thread Distortion; 10.18 Plastic Post Creep; 10.19 Excessive Shrinkage of Glass-Filled Nylon; 10.20 Preventing Warpage in Thin Molded Lids; 10.21 A Printed Circuit Board That Did Not Work; 10.22 A Cup with a Handle that Won't Fill 10.23 Leaking Hot Runner Mold |
| Record Nr. | UNINA-9911004748403321 |
Fischer Jerry M
|
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| Waltham, Mass., : William Andrew, 2013 | ||
| Lo trovi qui: Univ. Federico II | ||
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Handbook of molded part shrinkage and warpage / / Jerry M. Fischer
| Handbook of molded part shrinkage and warpage / / Jerry M. Fischer |
| Autore | Fischer Jerry M |
| Pubbl/distr/stampa | Norwich, NY, : Plastics Design Library/William Andrew Pub., c2003 |
| Descrizione fisica | 1 online resource (265 p.) |
| Disciplina | 668.4/12 |
| Collana | Plastics Design Library |
| Soggetto topico | Plastics - Molding |
| ISBN |
1-282-00274-0
9786612002748 0-08-095045-0 0-8155-1760-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Handbook of Molded Part Shrinkage and Warpage; Copyright Page; Table of Contents; Chapter 1. Introduction to Plastics Processing; 1.0 Introduction; 1.1 Interactivity Basics; 1.2 Thermodynamic Principles Governing Injection Molding; Chapter 2. Shrinkage and Warpage; 2.1 In-Mold Shrinkage; 2.2 Warpage; 2.3 Post-Mold Shrinkage; Chapter 3. Causes of Molded-Part Variation: Part Design; 3.1 Wall Thickness; 3.2 Ribs; 3.3 Bosses; 3.4 Example of Proper Part Design; 3.5 Other Design Considerations; Chapter 4. Causes of Molded-Part Variation: Material
4.1 Amorphous and Semicrystalline Resins4.2 Effects of Fillers, Reinforcements, Pigments, Time, and Stress; 4.3 Shrinkage Predictions: Using Pressure-Volume-Temperature (PVT) Relationships; Chapter 5. Causes of Molded-Part Variation: Mold Design; 5.1 Cavity Dimensions and Design Factors; 5.2 Gate Types; 5.3 Gate Location; 5.4 Gate Size; 5.5 Gate-Design Systems; 5.6 Runner Design; 5.7 Mold-Cooling Design; 5.8 Mold Construction Materials; 5.9 Prototype Molding with SLA or Similar Type Molds; 5.10 Pitfalls to Avoid; Chapter 6. Causes of Molded-Part Variation: Processing; 6.1 Molding Conditions 6.2 Injection Melt Temperature6.3 Injection Rate and Pressure; 6.4 Holding Pressure and Time; 6.5 Mold Temperature; 6.6 Demolding Temperature; 6.7 Molded-In Stresses; 6.8 Other Molding Processes; Chapter 7. Factors Affecting Post-Mold Shrinkage and Warpage; 7.1 Effects of Temperature on Dimensions; 7.2 Effects of Moisture on Dimensions; 7.3 Creep; Chapter 8. Controlling Mold and Post-Mold Shrinkage and Warpage; 8.1 Finding the Cause; 8.2 Processing Considerations; 8.3 Material Considerations; 8.4 Tooling Considerations; 8.5 Part Geometry; 8.6 Controlling Warpage Chapter 9. Computer-Aided Analysis9.1 Capabilities of CAA; 9.2 Limitations of CAA; 9.3 Selecting a CAA Program; 9.4 Customer Requirements; 9.5 Management Tools; 9.6 Filling Analysis; 9.7 Packing and Holding Simulation; 9.8 Shrinkage/Warpage Simulation; 9.9 Cooling Analysis; 9.10 Costs; 9.11 Conclusions; Chapter 10. Case Studies; 10.1 Unexpected Housing Shrink; 10.2 Changing Materials Triggers Warpage; 10.3 Creep in a Water Heater Stand; 10.4 Oversize Part Injection-Molding Alkyd Thermoset; 10.5 Inadequate Baby Dish Mold; 10.6 Gas Entrapment in Baby Dish Mold; 10.7 Warpage in a Molded Spool 10.8 Daisy-Wheel Breakage10.9 PVC Part-Flashing Problems; 10.10 Polycarbonate Switch Failure; 10.11 Square Poker Chip Tray, Inadequate Shot Size; 10.12 Problem Ejecting Square Poker Chips; 10.13 Military Cup Material "Shrinkage"; 10.14 Core-Deflection Problems; 10.15 Elevator Gib Warpage; 10.16 Sucker-Rod Guide Brittleness; 10.17 Bottle-Cap Thread Distortion; 10.18 Plastic Post Creep; 10.19 Excessive Shrinkage of Glass-Filled Nylon; 10.20 Preventing Warpage in Thin Molded Lids; Chapter 11. Data; 11.1 Unfilled Materials; 11.2 Effects of Fillers; 11.3 Shrinkage vs Various Parameters 11.4 Moisture Absorption Curves |
| Record Nr. | UNINA-9911004779303321 |
Fischer Jerry M
|
||
| Norwich, NY, : Plastics Design Library/William Andrew Pub., c2003 | ||
| Lo trovi qui: Univ. Federico II | ||
| ||