一、引言根据市场对聚苯乙烯泡沫塑料包装机械的需求和我国塑料包装机械急需更新换代的现状,我厂在分析了国外塑料包装工业发展之后,于82年参考国外先进产品的原理和性能研制成功了 SPZ—11全自动可发性聚苯乙烯泡沫塑料成形机。(以下简称SPZ—11成形机)82年、83年经全国各地几家用户厂生产考核和与用户共同鉴定认为:该产品性能达到国际七十年代中期 I. Introduction According to the market demand for polystyrene foam packaging machinery and plastic packaging machinery in China urgently needed replacement status quo, I plant in the analysis of the development of foreign plastic packaging industry, in 1982, reference to foreign advanced product theory and performance development Success SPZ-11 fully expandable polystyrene foam molding machine. (Hereinafter referred to SPZ-11 forming machine) 82 years, 83 years by several user factories throughout the country production assessment and assessment with users that: the performance of the product reached the international seventies