Plastic Design Issues Injection molded plastic parts offer an important combination of flexibility, toughness, and chemical resistance for cost effective, long-term performance in a wide range of applications. However, not every plastic part design can be efficiently injection molded. So working with us early in the design process is important. The halves are separated and allow the plastic component to be removed once it has solidified, thus creating plastic parts. Part A and Part B make up injection mold halves illustration For 27 years, Designing Plastic Parts for Assembly has been the definitive guide for both seasoned part designers and novices to the field, facilitating cost-effective design decisions and ensuring that the plastic parts and products will stand up under use. Alles immer versandkostenfrei!* The commissioning company in the project was the design office Sytyte Oy. The aim of this thesis work was to investigate the effects of design decisions on the product's feasibility and performance in service. The study focused on the underlying reasons for failures in plastic products, failure phenomena and ways of preventing them. Ribs and Core Out: In case of rib design, the designer needs to take care of rib thickness. Typically, for a plastic part, rib thickness should be approx. 70% of wall thickness. Along with this, draft and edge radius should also be included. Meanwhile, if there is a complete solid area, the designer can check whether any core out is possible or D'source Digital Online Learning Environment for Design: Courses Proper wall thickness is one of the most fundamental requirements in designing a part for plastic injection molding. Plastic shrinks as it cools which can lead to defects such as sink marks, voids, stresses, and warping. Plastic resin solidifies in the mold nearer to the outside of the part (closest to the mold surface). Designing Plastic Parts for Assembly € Paul A. Tres € ISBN 3-446-40321-3 € € Weitere Informationen oder Bestellungen unter . Mercedes-Benz U.S.International Contents Forewordto the Ninth Edition V Prefaceto the Ninth Edition VII Forewordto the First Edition IX Prefacetothe First Edition XI Acknowledgments XIII 1 Understanding Plastic Materials 1 1.1 BasicResins 1 1.1.1 Thermoplastics 1 1.1.2 Thermosets 2 1.2 BasicStructures 2 1.2.1 Crystalline 2 1.2.2 Amorphous 3 1.2.3 Liquid Crystal Polymer(LCP) 4 1.2.4 NewPolymerTechnologies 4 1.2.4.1 A proven technique for joining plastic parts, it's fast, cost-effective and reliable. However, as with any manufacturing process, getting the best from it means designing appropriately. In the paragraphs below we'll share some advice on ultrasonic welding of plastic parts. Consider these your ultrasonic welding plastic part design guidelines. Dukane Intelligent Assembly Solutions • 2900 Dukane Drive • St. Charles, Illinois 60174 USA • TEL (630) 797-4900 • FAX (630) 797-4949 dukane.com/us • e-mail: ussales@dukane.com Intelligent Assembly Solutions Guide to Ultrasonic Plastics Assembly Dukane Part No. 403-536-02 August, 2011 $100.00 Dukane Intelligent Assembly Solutions • 2900 Dukane Drive • St. Charles, Illinois 60174 USA • TEL (630) 797-4900 • FAX (630) 797-4949 dukane.com/us • e-mail: ussales@dukane.com Intelligent Assembly Solutions Guide to Ultrasonic Plastics Assembly Dukane Part No. 403-536-02 August, 2011 $100.00 lower assembly costs but may require the acceptance of