Printre acestea, procesele 1 și 2 sunt finalizate în principal în etapa de pre-expansiune. Scopul principal al particulelor de spumă care intră în matriță este de a fixa forma, adică așa-numita-aburire sau ardere. Etapa de formare a matriței include în general strângerea matriței, alimentarea, termoformarea cu abur, răcirea, Mai multe procese de deformare.
As a process equipment directly output in production, forming mold connects design and production. The forming mold is actually a redesign of the product, and it is necessary to try to meet the customer's shape requirements; on the other hand, the forming mold also needs to consider the actual production process, which needs to facilitate production and improve production efficiency. There are two main types of foaming raw materials in our company: EPS and EPP. The materials are different and the molding time is different, so the wall thickness of the corresponding mold is also different. The thickness of the EPS mold cavity of the EPS foaming machine is 810mm, and the EPP is 1215mm. In order to facilitate heating (even arrangement of air plugs) and cooling, it is emphasized that the thickness is uniform.