Our( http://ptfe-machinery.com/ ) has engineered its Single Screw Extruders with modular design concepts to meet market requirements. The result is built-in flexibility, lower cost, faster deliveries and ultimately, an exceptionally competitive value to our customers, from stand-alone extruders to complete systems. The single screw extruders handle applications such as sheet, custom profile, pipe, pelletizing, medical tubing, wire and cable.
A single-screw extruder is a press which pushes material through its barrel under conditions of high pressure and temperature. It can produce objects of different length with a cross-section corresponding to the outlet opening.
Single screw extrusion is one of the core operations in polymer processing and is also a key component in many other processing operations. The foremost goal of a single screw extrusion process is to build pressure in a polymer melt so that it can be extruded through a die or injected into a mold. Most machines are plasticating: they bring in solids in pellet or powder form and melt them as well as building pressure.
The extrusion process melts the raw material and then hardens it once shaped. It can be applied to ceramics, rubber, thermoplastic polymers, pasta and other food products.
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