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1. 发明公开

EP1015215A4 METHOD FOR RAPID PROTOTYPING OF SOLID MODELS 失效
标题翻译： VERFAHREN ZUM SCHNELLEN HERSTELLEN VON PROTOTYPEN VON FEST MODELLEN
公开(公告)号：EP1015215A4
公开(公告)日：2006-10-18
申请号：EP98923820
申请日：1998-05-28
申请人： STRATASYS INC
发明人： BATCHELDER JOHN SAMUEL , CRUMP STEVEN SCOTT
IPC分类号： B29C67/00 , B29C41/02 , B29C41/46
CPC分类号： B29C64/106 , B29K2055/02 , B33Y50/02 , B33Y70/00
摘要： Data corresponding to a desired shape of a prototype is transmitted to a rapid prototyping system. The system calculates (110) a sequence for extruding flowable material that thermally solidifies so as to create a desired geometric shape. A heated flowable modeling material is then sequentially extruded (112) at its deposition temperature into a build environment that maintains the volume in the vicinity of the newly deposited material in a deposition temperature window between the material's solidification temperature and its creep temperature. Subsequently the newly extruded material is gradually cooled (114) below its solidification temperature, while maintaining temperature gradients in the geometric shape below a maximum value set by the desired part's geometric accuracy.
摘要翻译：对应于原型的期望形状的数据被传送到快速原型系统。该系统计算用于挤出可热膨胀的材料的热固化顺序，以产生所需的几何形状。然后将加热的可流动的建模材料在其沉积温度下顺序地挤出成为在材料的固化温度和其蠕变温度之间的沉积温度窗口中将体积保持在新沉积材料附近的构建环境中。随后，将新挤出的材料逐渐冷却到其凝固温度以下，同时保持几何形状的温度梯度低于由所需部件的几何精度设定的最大值。

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