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Changshu da plastic products factory is introduced plastic extruder
by：CSSSLD
2021-01-23
The rapid development of plastic processing industry is a major power with rapid development of plastic machinery in China, brings to the development of plastics machinery industry in China two advantageous premise: one is conducive to the introduction of advanced plastic machinery technology;
2 it is conducive to China's plastics machinery exports, including foreign joint ventures and wholly owned factories in China improve predecessors manufacturing technology.
Among them, the plastic extrusion machine occupies a certain position in the plastic machinery, changshu below da plastic products factory introduce plastic extruder smoothly!
plastic extruder molding principle is the use of thermoplastic plastics, under the high temperature of 200 degrees to make plastic melt, melt the plastic by the shape of the mould formed when needed.
extrusion molding requires a deep understanding on characteristics of plastic and mold design experience, is a kind of technical requirements higher molding method. Extrusion is passed in extruder to heat, pressure and make the material to flow state continuous forming method through the mouth, also known as & other; Extrusion & throughout; 。 Compared with other molding method, possesses the advantages of high efficiency, low cost per unit.
applications: extrusion method is mainly used for thermoplastic plastic molding, can also be used for some of the thermosetting plastic. Products are continuous profiles extrusion, such as tube, rod, wire, plate, thin film, wire and cable coating layer, etc. In addition, can also be used for plastic mixing and plasticizing granulation, shading, blending, etc.
plastic extruding machine classification:
according to the number of extruder screw plastic extruder can be divided into the single screw extruder, twin screw extruder and screw extruder.
single screw extruder, twin screw extruder and screw extruder characteristics comparison:
single screw extruder as plasticizing granulation machinery or forming machine occupies an important position, the most widely used, suitable for general material extrusion processing;
twin-screw extruder feeding features good, less heat produced by friction, material of shear is uniform, the screw of large conveying capacity, the quantity is stable, the material stay in the barrel for long, even in mixing, at the same time are better than single screw extruder of mixing, exhaust, reaction and self-cleaning function, features of poor processing thermal stability of plastic and more shows its superiority when blending material, suitable for powder processing.
how is in the twin-screw extruder was developed on the basis of extruder, easier to achieve thermal stability of blending of material processing.
plastic extruder molding principle is the use of thermoplastic plastics, under the high temperature of 200 degrees to make plastic melt, melt the plastic by the shape of the mould formed when needed.
extrusion molding requires a deep understanding on characteristics of plastic and mold design experience, is a kind of technical requirements higher molding method. Extrusion is passed in extruder to heat, pressure and make the material to flow state continuous forming method through the mouth, also known as & other; Extrusion & throughout; 。 Compared with other molding method, possesses the advantages of high efficiency, low cost per unit.
applications: extrusion method is mainly used for thermoplastic plastic molding, can also be used for some of the thermosetting plastic. Products are continuous profiles extrusion, such as tube, rod, wire, plate, thin film, wire and cable coating layer, etc. In addition, can also be used for plastic mixing and plasticizing granulation, shading, blending, etc.
plastic extruding machine classification:
according to the number of extruder screw plastic extruder can be divided into the single screw extruder, twin screw extruder and screw extruder.
single screw extruder, twin screw extruder and screw extruder characteristics comparison:
single screw extruder as plasticizing granulation machinery or forming machine occupies an important position, the most widely used, suitable for general material extrusion processing;
twin-screw extruder feeding features good, less heat produced by friction, material of shear is uniform, the screw of large conveying capacity, the quantity is stable, the material stay in the barrel for long, even in mixing, at the same time are better than single screw extruder of mixing, exhaust, reaction and self-cleaning function, features of poor processing thermal stability of plastic and more shows its superiority when blending material, suitable for powder processing.
how is in the twin-screw extruder was developed on the basis of extruder, easier to achieve thermal stability of blending of material processing.
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