A plastic bumper mold is a critical tool used in the automotive industry to manufacture vehicle bumpers with precision and consistency. The mold is composed of several key components that work together to shape molten plastic into the desired form while ensuring quality and durability.
One of the main components is the core and cavity. The cavity defines the external shape of the bumper, while the core forms the internal side. Together, they determine the final dimensions and surface finish of the molded part. Proper alignment of the core and cavity is essential for accurate molding.
The mold base is another essential component. It provides structural support for the core and cavity and houses other functional parts such as ejector systems, cooling channels, and guide pins. The mold base must be robust to withstand repeated clamping and injection cycles.
Ejector systems are used to remove the finished bumper from the mold after cooling. This system typically includes ejector pins, plates, and sometimes sleeves, which push the part out without causing deformation or damage.
Cooling channels are integrated within the mold to control the temperature during the injection process. By circulating water or other coolants, these channels help reduce cycle time, improve dimensional stability, and prevent warping or shrinkage of the bumper.
Other important components include guiding and alignment parts, which ensure precise closure of the mold, and sprue and runner systems, which direct the molten plastic into the mold cavity evenly.
A plastic bumper mold consists of the core and cavity, mold base, ejector systems, cooling channels, and guiding components. These elements work together to produce high-quality automotive bumpers efficiently and reliably.

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Mould Name LAND ROVER Discovery Plastic Injection Front Bumper Mould
Material PP+EPDM(Contraction: 1, 5%)
Steel For Cavity &. Core P20
Mould Base C50
NOs. of Cavity 1*1
Injection System Yudo 5 direct injection gates
Ejection System Ejector pins, angled-lift splits
Mould Standard OEM/HASCO
Mould Weight 13500KG
Injection Machine Size 1850T