Pulp molding products, such as egg tray or egg box, are widely used in oversea counties. Take U.S. for instance, almost all the pulp molding products come from waste paper. The yearly consumption of waste paper is 45000 tons, with annually increasing rate of 40%. The total consumption reached 810000 tons up to 2000. In 1989, there were 600 factories focus on pulp molding production, 200 of which targeted on waste paper, the other 300 used 50% of waste paper. The features of the pulp molding industry in oversea countries include:
Wider application, such as automobile, metal ware, pharmaceutical, furniture, stationery, etc. The paper pulp molding products can be said to penetrate into every aspect of people’s daily life.
Computer engineering had been used for the assistance of mold design and development. Some software, such as Pro/Engineer, Solid works are used for the 3 dimension design of the mold with more accuracy and rationality. The data developed and collected from those software can be utilized directly in mold
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