What are the classifications of plastic injection molding?Posted by casn on August 23rd, 2022 Injection molding: It is a method in which the plastic material is first heated and melted in the heating barrel of the injection molding machine, and then the melt is pushed into the cavity of the closed mold by the reciprocating screw. custom plastic moulding Precision, high-quality products, and the variety of plastics that can be processed, the output is large and the use is wide, therefore, injection molding is one of the important molding methods in plastic processing. Extrusion: Extrusion is a method in which plastic is continuously formed through a die in a flowing state by heating and pressurizing in an extruder. Generally used for sheets, pipes, monofilaments, flat wires, films, and wires and cables. It has a wide range of uses and high output. Therefore, it is one of the important molding methods in plastic processing. Foam molding: refers to the addition of appropriate foaming agents to the foamed materials to produce porous or foamed products. , Foaming materials include PVC, PE and PS, etc. Products include: films, sheets, pipes, and profiles, etc. Foaming can be divided into chemical foaming and physical foaming.
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