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１引言快速成型（ＲａｐｉｄＰｒｏｔｏｔｙｐｉｎｇ）技术属于先进制造技术的范畴，它可以自动而迅速地将设计思想物化为具有一定结构和功能的原型，从而对产品设计进行快速评价、修改及功能试验，有效地缩短产品的研发周期。而分层实体制造（简称ＬＯＭ）是快速成型技术的重
1 Introduction RapidPrototyping belongs to the field of advanced manufacturing technology. It can automatically and quickly materialize design ideas into prototypes with certain structure and function, so that product design can be quickly evaluated, modified and functionally tested to shorten effectively Product development cycle. The layered entity manufacturing (referred to as LOM) is rapid prototyping technology