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路沿石模具是生产水泥预制路沿石的模具模型。路沿石是指用花岗岩材质或者水泥预制制作的用在路面边缘的界石，路沿石也称道牙石或路边石、路牙石。
Curbstone mould is a mould model for producing cement precast curbstone. Curbstone refers to the boundary stone which is made of granite or cement and used at the edge of the road. Curbstone is also known as curb or curbstone.
路沿石是在路面上区分车行道、人行道、绿地、隔离带和道路其他部分的界线，起到保障行人、车辆交通安全和保证路面边缘整齐的作用路沿石主要是道路两侧长条形水泥预制块或石材切割而成，路沿石模具主要是以生产预制混凝土路沿石为主，模具的材质一般分为塑料注塑成型还有钣金钢模具成型，生产原理是将混凝土倒入塑料模具或铁模具内，等水泥凝固后在拆模或者脱模成型，路沿石塑料模具主要采用工程聚丙PP注塑成型，材质直接影响模具的使用寿命。
The curbstone is the boundary line that distinguishes the carriageway, sidewalk, green space, isolation belt and other parts of the road on the road surface, which plays a role in ensuring the traffic safety of pedestrians and vehicles and ensuring the neat edge of the road surface. The curbstone is mainly cut by long strips of cement precast blocks or stones on both sides of the road. The curbstone mold is mainly used to produce precast concrete curbstone, and the material of the mold is generally divided into For plastic injection molding and sheet steel mold molding, the production principle is to pour the concrete into the plastic mold or iron mold, etc. after the cement is solidified, the mold is removed or demoulded for molding. The engineering polypropylene plastic mold is mainly used for the injection molding of curbstone plastic mold, and the material directly affects the service life of the mold.