Wuhan Handern Compression Molding
DATE：2020/8/21 8:43:51 / READ： / SOURCE：This station
Wuhan Handern Compression Molding
Compression molding, also known as molding, compression molding or compression molding, is the main molding process for thermoset plastics. The process is to press the plastic in a hot mold to melt the material and evenly fill the mold cavity, and at the same time it initiates a chemical crosslinking reaction to become a thermosetting plastic product with a three-way network structure. For some thermoplastics with extremely high melt viscosity or molding larger flat products, compression molding should also be used. www.handern.com Plastic construction template
The compression molding method is mainly used for the molding process of thermosetting molding materials such as rayon, mound, melamine, epoxy resin, polyester, and polydipropyl phthalate. www.handern.com Plastic construction template
This law has the following advantages:
① Mainly use presses and molds, so the equipment investment is small, the process is simple, and the operation is easy. www.handern.com Plastic construction template
②The molding pressure directly acts on the material in the cavity, so the product has a high degree of compactness.
③A wide range of molding materials, which can be used for thermosetting plastics, thermoplastic plastics, or molding materials for various fillers, such as asbestos, cloth, cellulose, glass fiber, and mineral fillers, thermally stable, poor fluidity Materials with curing characteristics:
① Less loss of materials, scraps, etc.; www.handern.com plastic building template
⑤The material flow distance is short, the flow rate is low, because the surface does not reduce the performance of the product machine, and the mold wear is small;
⑥ Good concentricity of the workpiece. The disadvantages of the molding method are that the molding cycle is long, the parts have burrs and need to be modified, so the productivity is low; complex shapes, precision parts, and uneven wall thickness are not suitable for this method. www.handern.com Plastic construction template
Author：admin