Training in Injection Molding

by Michaeli, Walter; Greif, Helmut

• ISBN13: 9781569903025
• ISBN10: 1569903026
• Edition: 2nd
• Format: Paperback
• Copyright: 2001-10-01
• Publisher: Hanser Pub Inc

Summary

This text/workbook covers the entire field of injection molding - from materials, to processing, to issues of occupational safety, and to the recycling of injection molded parts. Key questions help readers work through the lesson with specific objectives in mind. Review questions allow readers to test their knowledge.

Table of Contents

Introduction: Injection Molding - An Ideal Manufacturing Method	p. 1
Basic Principles of Plastics	p. 5
Classification and Identification of Polymeric Materials (Plastics and Elastomers)	p. 6
Deformation Characteristics of Plastics	p. 8
Molding Compounds and Shaping Methods	p. 11
Plastics Melts	p. 12
Review Questions	p. 18
The Injection Molding Machine	p. 19
Classification of Injection Molding Machines	p. 20
Structural Units of Injection Molding Machines	p. 24
Special Injection Molding Processes	p. 26
Review Questions	p. 30
The Plasticating and Injection Unit	p. 31
Tasks of the Plasticating and Injection Unit	p. 32
Plasticating	p. 35
Injection	p. 37
Review Questions	p. 40
The Mold	p. 41
Tasks and Modes of Operation	p. 42
Gating and Runner System	p. 43
Cavity	p. 47
Heating/Cooling Systems	p. 49
Ejection System	p. 50
Review Questions	p. 54
The Clamping Unit	p. 55
Function and Structure	p. 56
Mechanical Clamping Units	p. 57
Hydraulic Clamping Units	p. 59
Review Questions	p. 62
Drive System and Controls	p. 63
Drive System	p. 64
Controls	p. 67
Review Questions	p. 68
The Injection Molding Process	p. 69
Phases of an Injection Molding Cycle	p. 70
Start	p. 72
Injection Phase	p. 74
Holding Pressure Phase	p. 77
Cooling Phase	p. 80
Feed Phase	p. 82
Removal from the Mold	p. 83
Review Questions	p. 86
Mold Design	p. 87
Tasks and Specifications of Injection Molding Tools	p. 88
The Designer's Tasks	p. 88
Mold Layout	p. 90
Review Questions	p. 98
Quality Assurance in Injection Molding	p. 99
Quality	p. 100
Quality Assurance	p. 101
Quality Management	p. 102
Integrated Management Systems	p. 108
Review Questions	p. 110
Recycling of Plastics Waste	p. 111
Reutilization of Plastics	p. 112
Recycling of Production Waste	p. 115
Recycling of Industrial and Domestic Plastics Waste	p. 116
Review Questions	p. 118
The Modern Injection Molding Company	p. 119
Structure of an Injection Molding Company	p. 120
Order Processing Organization within an Injection Molding Company	p. 121
Specifications for Injection Molding Companies	p. 122
Occupational Safety Around Injection Molding Machines	p. 125
European Regulations	p. 126
U.S. Regulations	p. 130
Selected Literature	p. 135
Glossary of Injection Molding Technology	p. 139
Answers to Review Questions	p. 149
Table of Contents provided by Syndetics. All Rights Reserved.