Extruder is one of the types of plastic industry. Extruder in general, the most basic and most common is the single screw extruder. It mainly includes: transmission, feeder, barrel, screw, head and mouth die and other total six parts.
The driving part usually consists of an electric motor, a reduction box and a slewing bearing. In the extrusion process, the screw speed must be stable, by the small slewing support to support continuous, uniform rotation, should not change by the screw loading, so as to ensure the quality of the product balance consistent. But in different occasions, the screw can change speed, in order to achieve a device can extrude different plastics or different products.
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