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基于LOM技术的砂型铸造模具研究
Die for Sand Mould Casting Based on LOM Technology
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- DOI:
- 作者:
- 于泓,戴有华
- 作者单位:
- 江苏农林职业技术学院 机电工程系,江苏 句容 212400
- 关键词:
- 快速成型;快速模具;模具设计;砂型铸造
Rapid prototyping; Rapid tooling; Mold design; Sand casting
- 摘要:
- 介绍了基于LOM技术快速模具的工艺方法和技术特点,结合输入壳体研究了纸基砂型铸造模
具的设计步骤与制作工艺,以及其中的一些技术关键。结果表明,利用这一快速模具技术取
代传统的木模制作工艺,具有制作周期短、成本低、尺寸精度高的优点,适用于形状复杂、
尺寸精度要求较高的精密铸造模具的快速制造。
The procedures and characteristics of the rapid tooling based on LOM technology
are introduced. The designing procedures and the manufacturing methods of the pa
perbased sand casting mold and some key techniques of this rapid tool
ing are studied based on input shell. The researching result shows that the manu
factured process of the traditional wood casting mold replaced with rapid protot
yping technology has some advantages such as short producing cycle, low cost and
high dimension accuracy, and this technology is suitable for producing the prec
ision casting mold which has complicated shape and high dimension accuracy.