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An Introduction of Key Components of Rubber Extruder Machine

The screw is the heart of the rubber extruder machine and the key component of the extruder. The performance of the screw determines the productivity, plasticizing quality, dispersion of additives, melt temperature, power consumption, etc. of an extruder. . It is the most important part of the extruder, and it can directly affect the scope of application and production efficiency of the extruder. Through the rotation of the screw to produce extreme pressure on the plastic, the plastic can move, pressurize, and obtain part of the heat from the friction in the barrel. The plastic is mixed and plasticized during the movement of the barrel, viscous fluid state When the melt is extruded and flows through the die, it obtains the desired shape and is formed. Like the barrel, the screw is also made of a high-strength, heat-resistant and corrosion-resistant alloy.

As there are many types of plastics, their properties are also different. Therefore, in actual operation, in order to adapt to different plastic processing needs, the types of screws required are different, and the structure is also different. In order to maximize the efficiency of plastic transportation, extrusion, mixing and plasticization. The basic parameters that express the characteristics of the screw include the following: diameter, aspect ratio, compression ratio, pitch, groove depth, helix angle, screw and barrel gap, etc.

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