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Title: Studies on the solid conveying process in micro injection molding machine
Authors: Xu, Y
Yung, KL 
Ng, HP
Keywords: Discrete element modeling
Micro injection moulding
Solid conveying
Issue Date: 2006
Publisher: Trans Tech Publications Ltd
Source: Materials science forum, Dec., 2006, v. 532-533, p. 620-623 How to cite?
Journal: Materials science forum 
Abstract: Understanding the solid conveying process is important for the optimal design of micro injection molding machines. To solve problems such as starve feeding and process instability during plastication of polymers, which deteriorate product qualities, studies have been carried out on the conveying process of discrete polymer pellets. The effect of screw axis inclination on the speed of solid conveying is investigated with both simulation and experimental approaches. A discrete element modeling method (DEM) specially designed for simulating polymer particle movements in screw channels, which takes into account the effect of gravity while maintaining the simplicity of calculations, has been developed. The agreements between results of simulations and experiments verify the integrity of the models developed herein. The proposed modeling method is capable of optimizing the design of plasticizers of micro injection molding machines.
Description: 12th International Manufacturing Conference in China, September 21-23, 2006, Xi'an, China
ISBN: 978-0-87849-421-7
ISSN: 0255-5476
EISSN: 1662-9752
DOI: 10.4028/
Appears in Collections:Conference Paper

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