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比较几种典型的快速原型制造（RPM）方法的特点，分析和评价它们用于生产金属零件的可能途径以及需要解决的问题；叙述用各种快速成形的原型生产金属零件的技术路线及其适合的零件种类。认为快速成形技术与铸造技术相结合是由快速成形原型转化为金属零件的最佳途径；在快速制造原型的问题基本解决以后，为快速铸造各类金属零件，需解决的问题是研究和探索适应各种快速成形方法的铸造工艺及材料。
By comparing the characteristics of several typical rapid prototyping (RPM) methods, analyzing and evaluating their possible ways of producing metal parts and the problems to be solved; the article describes the technical routes for producing metal parts from various rapid prototyping prototypes and their suitability The type of parts. It is considered that the combination of rapid prototyping and casting technology is the best way to convert from prototyping into metal parts. After the prototype of rapid prototyping is basically solved, in order to quickly mold all kinds of metal parts, the problem to be solved is to research and explore how to adapt A variety of rapid prototyping methods of casting technology and materials.