Research On Electroforming-mould Technology Based On Rapid Prototype

With the development of life quality and appreciation level, the pursuance for the new products is becoming keener, which causes the products innovation to be more and more quickly in the present. The requirement of customer's and product competitiveness are leading the modern manufacturing to the development of low volume, multi-types, high quality, low cost and promptly market responding. The development of mould has become more and more important, which makes the design and fabrication period of mould must be shorted and its cost must be cut down.Rapid prototyping is a leap in the design and manufacture mould field and, with its extensive application and the development of rapid tooling, which makes the design and manufacture of mould to the development of digitalization and rapidity. However, electroforming which based on rapid prototyping can satisfy these requirements. Furthermore, electroformed moulds are very precise, and it can copy the exterior accurately. In addition, LOM is one of manufacturing methods and it has put in use for a long time, technical perfection and low coat. The research for combining the two technologies has important significance.The quality of electrochemical deposit layer is influenced by many factors. In this paper, the experimental and technological factors of arc spraying copper were carried through. The main factor and the optimum parameters for archive the best properties of the electroformed layer of cooper were obtained. The research under the condition of product line had also implemented. Therefore, the results are more valuable to corporation. Avoid using the rapid prototype as electroforming carrier due to its insufficiency, and we copy the exterior using the more proper material to keep the precision. Take account for the electroforming of deep hole for finding out the rule and its result shown that the limit electroform aperture ratio of deep hole is 24%, furthermore, the method of resolving the problems in manufacture are obtained.A new technique of consisting of LOM, plastic-absorbing shape process and covering with copper powder has demonstrated. In order to validate the above experimental conclusions, the mould of solar tube's inner packaging was fabricated by electroforming. Molded pulp products were produced by using this mould. In a word, the new technique is accord with the demand of market and benefits of enterprise.