Application of single screw extruder in pipe production
Time：
2017-05-29
The conventional single screw extruder is mostly designed in three stages,Its main function is to make granules or powder plastics plasticized, homogenized and continuously pressed to the extruder head,But there is no chemical reaction.In the production process of silane crosslinked polyethylene pipes,In addition to the above physical process, the raw material is in the extruder,The polyethylene silane grafting reaction was also performed,The traditional three stage single screw extruder obviously can not fully meet the requirements of reactive extrusion,The main defects are that the residence time of materials is too wide and the relative length of the complete melting zone is shorter.At the same time, there are some problems such as the low efficiency of the solid conveying system in the solid conveying section.
Single screw plastic extruder mainly consists of barrel, screw, power transmission system, heating, cooling and electrical control.Mainly used in PVC, PE, PP, ABS, TPE and other plastic ，With all kinds of auxiliary machines,Can directly produce profiles, sheets, pipes, granulation and other plastic products of plasticization and extrusion molding.
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Shuangda
Hebei Shuangda Rubber Machinery Co., Ltd.
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