Fatigue fracture resistance of cover plate steel mold

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The cover steel mold is an industrial product of the cover mold that uses a specific structure to shape the material in a certain way. The cover plastic mold is made of engineering polypropylene through high-pressure injection molding. The mold itself is very wear-resistant and strong. Tough and durable. It has good strength and toughness and can withstand large impact loads. During the working process of the mold, fatigue fracture is often caused by the long-term action of cyclic stress. The product has good resistance to fatigue fracture and has a long life. The mold has a relatively long life at the working temperature. High strength and hardness have high thermal and cold fatigue resistance and corrosion resistance. Commonly used cover brick molds are called culvert cover brick molds, gutter cover brick molds, bridge cover brick molds, ditch cover brick molds, cable cover brick molds, cable cover brick molds, and lining cover molds. Slab brick mould, rapid trough cover tile mould, flow trough cover tile mould, etc. The raw materials used in all plastic molds are first-grade new materials without the addition of crushed recycled materials, so do not use crushed recycled materials for molds on the market. Molds made with crushed recycled materials have a short service life and are prone to aging and deformation. Cement parts with uneven surfaces are not easy to Remove from the mold.