Feasibility study of a new rapid tooling process

被引：1
|
作者：
Jiang, XP
Liu, XY
Zhang, C [1 ]
机构：
[1] Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B9, Canada
[2] Festival City Fabricators, SteelCraft Ind Ltd, Stratford, ON N5A 6T3, Canada
[3] Natl Res Council Canada, Integrated Mfg Technol Inc, London, ON N6A 5B9, Canada
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2005年 / 27卷 / 3-4期
关键词：
deformation; metal powder; metal shell; powder packing; rapid tooling;
D O I：
10.1007/s00170-004-2191-7
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The requirements for faster product development cycles, lower product cost and environmental sustainability are ever increasing in today's globally competitive market. Tooling is a very important phase in the product manufacturing cycle. To overcome the shortcomings of long lead-time and high cost associated with conventional tooling processes, new tooling methods with shorter lead-time and lower cost are strongly under demand. In this study, the feasibility of the proposed new rapid tooling process based on back support of a metal shell with packed metal powders is examined. First, the effect of metal powder properties, such as powder shape, size, and size distributions, on powder-packing behaviour is investigated experimentally. Then, the compressive behaviours of the metal shell and the shell-powder assembly are analysed numerically with different compressive loading. The study indicates that the proposed new rapid tooling method can potentially be used for injection moulding applications.
引用
收藏
页码：296 / 304
页数：9
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