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渠沟盖板模具又名下水道盖板模具，是批量生产具有一定形状和尺寸要求的水渠沟盖板时的成型工具，属于盖板模具的一种，通常采用工程原料聚丙烯(pp)，聚丙烯pp具有很好的韧性，可溶性和可塑性， 塑料颗粒高温下化成液态，是液体流入特定好的铁模具中，利用液态水循环使其冷却，成型。水渠沟盖板模具用于水渠沟盖板生产流程中的成型工序，将一定比例的混凝土注入模具内，放于适合的温度下，令水泥静置成型，水泥凝固后，利用震动平台等脱模工具进行脱模，即生产出表面光洁光滑，结实耐用的沟渠盖板。
The mould for ditch cover plate, also known as sewer cover plate mould, is a molding tool for mass production of ditch cover plate with certain shape and size requirements. It is a kind of cover plate mold. Polypropylene (PP) is usually used as engineering raw material, which has good toughness, solubility and plasticity, Plastic particles into liquid at high temperature, is the liquid into a specific good iron mold, the use of liquid water circulation to cool, molding. The mold of ditch cover plate is used in the forming process of the production process of the channel cover plate. A certain proportion of concrete is injected into the mold and placed at a suitable temperature to make the cement stand still. After the cement is solidified, the demoulding tool such as vibration platform is used to demould, that is to say, the smooth and durable ditch cover plate is produced.