Classifications of plastic extruder

The development of plastic extruder is a long history. The machine in nowadays has a large demand. In order to meet the market demand, with the development of technology, plastic extruder has been developed to various kinds.

According to the quantity of screws, the plastic extruder can divided into single screw extruder, twin-screws extruder, multi-screws extruder and non-screws extruder and so on. The single screw plastic extruder is most extensively used at present; it is suiting in the extrusion processing of general materials. Twin-screws plastic extruder also has an important function in the market owing to its various advantages. The advantages of twin-screws extruder are followed: the quantity of heat caused by friction is less, the cut of materials is relatively uniform, the deliver ability of screw is large, the extrusion quantity is relatively stable, the stay time of materials in the cylinder is long and the mixing is uniform.

The single screw plastic extruder occupies an important place whether it is regarded as Plasticizing granulation machinery or Processing machinery. In recent years, single screw extruder has a large development. The twin-screws plastic extruder has the better funticons of mixing, exhausting and self-cleaning. On the basic of twin-screws extruder, the multi-screws plastic extruder is appeared in order to process the blending materials which has bad heat stability.

Different types of plastic extruder can meet different processing, to produce the plastic productions can meet the requirements.

3 thoughts on “Classifications of plastic extruder

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