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结合发泡成型工艺,分析说明了传统的挤出发泡系统、串联挤出发泡系统的结构设计特点,介绍了动态成型设备和基于拉伸流变的高分子材料塑化运输设备在挤出发泡成型加工中的应用;对比分析了各种不同的挤出发泡系统在发泡成型工艺上的特点;同时提出了连续发泡成型对注气装置的要求。
Combined with the foam molding process, the structural design features of the traditional extrusion foaming system and the tandem extrusion foaming system are analyzed and explained. The dynamic forming equipment and the rheological rheology-based plasticized plastic transportation equipment are introduced in the extrusion Foam molding process; Comparative analysis of a variety of extrusion foaming system in the foam molding process characteristics; also proposed continuous foam molding of the gas injection device requirements.