Manhole covers are essential components of urban infrastructure, providing safe and secure access to underground utilities such as sewer lines, water pipes, and cables. These covers are designed to handle the significant weight and pressure from vehicular traffic while ensuring that they remain secure and safe for pedestrians. One of the most innovative advancements in the design and production of manhole covers is the use of SMC (Sheet Molding Compound) material, coupled with advanced SMC molds.
An SMC road manhole cover mold is a specialized mold used in the production of manhole covers made from Sheet Molding Compound (SMC). SMC is a high-strength, fiberglass-reinforced composite material known for its excellent mechanical properties, corrosion resistance, and durability. The mold itself is designed to shape and form the SMC material into the required shape and size of the manhole cover, typically through a compression molding process.
Compression molding involves placing the pre-heated SMC material into a mold cavity. The mold is then pressed under high pressure, which allows the material to flow and take the shape of the mold. Once cooled, the molded SMC material hardens into a solid manhole cover, ready for use. The SMC material is a popular choice due to its resistance to corrosion, lightweight nature, and ability to withstand heavy traffic loads, making it ideal for road applications.
One of the standout features of SMC road manhole cover molds is their ability to create products with exceptional durability and strength. The compression molding process combined with the SMC material ensures that the final manhole covers can withstand significant mechanical stress from heavy vehicles and environmental factors. These covers are designed to resist cracking, deformation, or breakage under pressure, making them ideal for road use where weight and durability are key concerns.
Cover Shape
Round / Rectangle / Square
Cover Load
A15, B125, C250, D400; according to customer standards requirement
Mould Type
Compression mould
Mould Steel
P20 / S50C / S45
Mould Cavity
Single cavity / Multiple cavities / Multiple cavities with interchangeable inserts
Heating System
Oil heating / Electrical rods heating
Ejection System
Hydraulic eject with air assist / hydraulic pins