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Multifunctional development of plastic extruder
Jul 25, 2017

In all kinds of plastic machinery, the core is undoubtedly plastic extruder, and has become one of the widely used models in the plastics processing industry. Plastic extruder is composed of extrusion system, transmission system and heating and cooling system. According to the number of screw, it can be divided into single screw extruder, twin screw extruder and multi screw extruder. From the introduction of the extruder to the present, the extruder has developed rapidly, and gradually formed a track in line with its own development.

Production one can strive for greater market share of plastic extruder modular specialty, on the other hand, to ensure the whole quality and accelerate the flow of funds is very favorable, multifunctional development can expand its application space, large-scale development can reduce the cost of production and development in the coming, it will need to focus on the functions and network, save manpower and improve the process stability, can greatly improve the accuracy of the product.

Chinese plastic extrusion machine market is developing rapidly, there are many new models launched by the joint efforts of 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, series multi order extruder, planetary screw extruder in both domestic manufacturers, with independent research and development ability, and have independent intellectual property rights.

With the upgrading of technology, the end of the manual feeding time of plastic extrusion machine equipment already, people can be free from the heavy manual and dusty environment, from the original manual work now by conveyer equipment automatically, make a big contribution to the plastics industry.

The future market of plastic extruder main machine and production line will be higher in technology and lower in price. A host of domestic now basically in conical twin screw extruder and single screw extruder mainly, the technology is more mature, but also the largest market sales, general specification for this type of product has been oversupply, the market can only maintain the peak period of 50% ~ 60%.

The main focus of the future is to develop parallel twin-screw extruder, which is suitable for extrusion molding with large extrusion capacity. The parallel twin screw extruder is developing towards sixth generation and seventh generation with high speed and large aspect ratio. The development trend of single screw extruder is large diameter, big ratio of length to diameter and smooth exhaust. In fact, the single screw extruder is a kind of low energy consumption, low cost models, as long as the technology properly, it can basically achieve the double screw extruder efficiency, such as the United States now use plastic extruder is mostly single screw, due to the high technical content, replaced by twin screw extruder.