2022.03.08
Among them, the processes 1 and 2 are mainly completed in the pre-expansion stage. The main purpose of the foam particles entering the mold is to fix the shape, that is, the so-called steaming or burning through. The mold forming stage generally includes mold clamping, feeding, steam thermoforming, cooling, Several processes of demoulding.
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 8~10mm, and the EPP is 12~15mm. In order to facilitate heating (even arrangement of air plugs) and cooling, it is emphasized that the thickness is uniform.
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