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Processing and manufacturing of plastic extruder to contribute
Apr 19, 2017

In all of the chemical manufacturing industry, can match with the film, pipe, bar, wire, tape, packing tape, squeeze net, plates, profiles, granulation, and other auxiliary cable coating plastic molding plastic extruder, extrusion molding production line consists of all kinds of plastic, the production of various plastic products.

Nearly twenty years ago, extruder, we know that the material is usually done manually, it is hard to aggregate from somewhere into bags or boxes into the hopper of the extruder. However, with the introduction of automation technology in plastic processing, people can get out of the environment of heavy manual labor and dust flying. Originally completed by the manual work is now completed by the transport equipment, etc..

The joint efforts of the industry technology, R & D personnel, some special models such as the main exhaust extruder, series disc screw extruder, reciprocating pin screw extruder, with foam extruder, melt gear pump extruder, extruder, tandem multi-stage planetary screw extruder in both domestic manufacturers. Have the ability of independent research and development, and have independent intellectual property rights.

According to the number of screw extruder can be divided into single screw, twin screw and multi screw extruder. At present, the single screw extruder is the most widely used, and it is suitable for extrusion processing of general materials. Double screw extruder with shear transmission capacity due to the heat generated by friction, less material is relatively uniform, the screw extrusion amount is larger, more stable material, long stay in the barrel, mixed evenly. SJSZ series conical double screw extruder with forced extrusion, high quality, wide adaptability, long service life, low shear rate, the material is not easy to decompose, mixing and plasticizing performance, direct powder molding characteristics, automatic temperature control, vacuum exhaust device etc.. The utility model is suitable for the production of pipes, plates, special-shaped materials, etc..

Single screw extruder is an important part in the field of plasticizing and forming machine. In recent years, the development of single screw extruder has been greatly improved. At present, the German production of large single screw extruder, screw diameter of 700mm, production of 36t/h. Development of single screw extruder is the main symbol of the development of its key components - screw.

In recent years, a large number of theoretical and experimental studies have been carried out on the screw rod, and there are nearly 100 kinds of screws, which are separated, shear type, barrier type, shunt type and wavy type. From the perspective of the development of single screw, single screw extruder in recent years have been relatively perfect, but with the polymer materials and plastic product development, but also the emergence of new screw more features and special single screw extruder.

In the plastic extrusion molding equipment, plastic extruder is usually referred to as the host, and its supporting equipment for plastic extrusion molding machine. Plastic extruder after 100 years of development, has been derived from the original single screw twin-screw, multi screw, and even non screw and other models.


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