Change on temperature at the surface of injection moulded parts

被引：11
|
作者：
Nicolazo, C. [1 ]
Sarda, A. [1 ]
Vachot, P. [1 ]
Mousseau, P. [1 ]
Deterre, R. [1 ]
机构：
[1] Univ Nantes, Operp ERT1086, F-44475 Carquefou, France
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2010年 / 210卷 / 02期
关键词：
Injection; Temperature; TCR; PP; Moulding; THERMAL CONTACT RESISTANCE; POLYMER;
D O I：
10.1016/j.jmatprotec.2009.09.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A measuring system and a mathematical model are developed to study thermal transfer within polymers during the injection moulding phase. Temperature measurements within moulded parts reveal several "rise in the temperature" events at the surface of the part during the moulding cycle. These thermal singularities are related to the evolution of the parameters of implementation and depend on the nature of moulded polymer. The modelling of heat exchange makes it possible to integrate the evolution of the thermal contact between polymer and the mould as well as crystallization in the case of PP. The comparison between temperature experimental and theoretical results makes it possible to determine the characteristics of the process at the origin of these heating events. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：233 / 237
页数：5
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