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Plastic extrusion machine widely used in plastic processing industry
- Oct 24, 2016 -

Nearly twenty years ago, the extrusion machine we know of it is usually done by artificial material, it is difficult to aggregate from somewhere bags or boxes to join extruder hopper. However, with the introduction of automation technology in the process of plastic processing, people can be given a heavier physical labor and environment of the dust float in the sky. Originally completed by manual work is now done automatically by conveying equipment, etc.
Extruder by the number of the screw can be divided into single screw, twin-screw and multiple screw extruder. Currently most widely application in a single screw extruder, is suitable for general material extrusion processing. Twin screw extruder with less heat produced by friction, material by shear was homogeneous, the screw of large conveying capacity, the quantity is stable, materials in the barrel to stay long, mixed evenly. SJSZ series conical double screw extrusion machine has forced out, high quality, wide adaptability, long life, small shear rate, material mixing plasticizing performance is good, not easy to decompose, powder molding characteristics directly, temperature control, vacuum exhaust device, etc. Applicable to the pipe, plate, profiled materials such as products of the production.
Single screw extruder as plasticizing granulation machinery or forming machine occupies an important position, in recent years, single screw extruder has made great development. The German production of large-scale granulation with single screw extruder, screw diameter of 700 mm, production is 36 t/h. The development of the single screw extruder main symbol is the key parts -- the development of the screw.
In recent years, people have made a lot of on the screw theory and experimental research, it has been nearly hundred kinds of screw, common had separated type and shear, barrier type, FenLiuXing corrugated type, etc. From the point of single screw development, although in recent years, single screw extruder has been perfect, but with the development of polymer materials and plastic products constantly, will emerge more characteristics of new type screw and special single screw extruder. In plastics extrusion molding equipment, plastic extrusion machine is usually referred to as the host, and subsequent equipment with matching plastic extrusion molding machine is referred to as the auxiliary. Plastic extruder after 100 years of development, has been developed from the original single screw derived double screw, screw, even without the screw, and other models. Plastic extruder with pipe material, film, with materials, monofilament, flat wire, packing tape, squeeze net, plank, special-shaped material, granulation, such as cable coated all kinds of plastic molding auxiliary machinery, all kinds of plastic extrusion molding production line, production of various plastic products. Therefore, plastic extrusion machinery for no matter now or in the future, are widely used in plastic processing industry of one of the models.