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模具的选材
Material selection of mould
混凝土护坡模具选用注塑机的注塑模具，国家大力支持注塑模具的建设，在注塑的精确度与硬度上不断地创新努力，打造优质混凝土护坡模具
The injection mold of injection molding machine is selected as the concrete slope protection mold. The state strongly supports the construction of injection mold, and constantly innovates on the precision and hardness of injection molding, so as to create high-quality concrete slope protection mold
注塑模具依成型特性区分为热固性塑胶模具、热塑性塑胶模具两种；依成型工艺区分为传塑模、吹塑模、铸塑模、热成型模、热压模（压塑模）、注射模等，其中热压模以溢料方式又可分为溢式、半溢式、不溢式三种，注射模以浇注系统又可分为冷流道模、热流道模两种；以按装卸方式可分为移动式、固定式两种。
Injection mold can be divided into thermosetting plastic mold and thermoplastic plastic mold according to molding characteristics; it can be divided into transfer mold, blow molding mold, casting mold, hot forming mold, hot pressing mold (compression mold), injection mold, etc., according to the molding process, the hot pressing mold can be divided into overflow type, semi overflow type and non overflow type, and the injection mold can be divided into cold runner mold and hot runner mold by gating system There are two kinds of moulds, which can be divided into movable and fixed ones according to the loading and unloading modes.
注塑模具由动模和定模两部分组成，动模安装在注射成型机的移动模板上，定模安装在注射成型机的固定模板上。在注射成型时动模与定模闭合构成浇注系统和型腔，开模时动模和定模分离以便取出塑料制品。
The injection mold is composed of a moving mold and a fixed mold. The moving mold is installed on the moving template of the injection molding machine, and the fixed mold is installed on the fixed template of the injection molding machine. In injection molding, the moving mold and the fixed mold are closed to form the gating system and cavity. When the mold is opened, the movable mold and the fixed mold are separated to take out the plastic products.
同时水泥护坡模具根据注塑模具原理进行了优质的选料，根据注塑模具的特性而进行了实验，水泥护坡模具在使用过程中不仅脱模快，而且表面光滑，同时不易破损。这就是为什么水泥护坡模具选用注塑模具。
At the same time, according to the principle of injection mold, high-quality materials are selected for the cement slope protection mold, and experiments are carried out according to the characteristics of the injection mold. The cement slope protection mold not only demoulds quickly, but also has smooth surface and is not easy to be damaged. This is why the injection mold is selected for the cement slope protection.