Thermal effects on stereolithography injection mold inserts

被引：7
|
作者：
Colton, JS [1 ]
LeBaut, Y
机构：
[1] Georgia Inst Technol, Sch Mech Engn, Atlanta, GA 30332 USA
[2] Georgia Inst Technol, Rapid Prototyping & Mfg Inst, Atlanta, GA 30332 USA
来源：
POLYMER ENGINEERING AND SCIENCE | 2000年 / 40卷 / 06期
关键词：
D O I：
10.1002/pen.11265
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Stereolithography is a process in which a photopolymerizable resin is used to make parts. This method is used here to produce mold inserts for small injection molding runs. This paper focuses on the effects of the heat due to the injection of the polymer on these mold inserts. As the number of shots increases, the degree of cure of the insert changes. Differential Scanning Calorimetry (DSC) was used to determine the thermal property changes of the material. The evolution of the ejection forces for different post-cure treatments was investigated. The ejection force decreased with increasing cure of the mold inserts.
引用
收藏
页码：1360 / 1368
页数：9
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