Warm Global Customers
With China Plastic Machinery
With China Plastic Machinery
The emergence of the pin-type cold feed extruder has greatly improved the extrusion volume. With the characteristics of large extrusion volume,
In the continuous exploration of extrusion technology, Eniroya Company in the United States made a great contribution. In the late 1960s and early 1990s, the pin technology was studied. The pin was inserted radially from the circumference of the barrel into the screw thread groove to shear and stir the flowing rubber. The rubber becomes a melt and flows in the screw thread at a low shear rate, gradually forming a continuous viscous fluid, which destroys the laminar flow and agglomeration of the rubber during the extrusion process, breaks the rubber block, achieves the effect of good plasticization of the rubber, low glue temperature and energy saving, and simplifies the production process. In 1979, this technology was patented in the United States. The emergence of the pin-type cold feed extruder has greatly developed and improved the cold feed extruder technology. This type of extruder has not only made great improvements in the screw structure, but also has greatly improved the plasticizing performance of the rubber, the density of the extruded product, and the extrusion volume due to the addition of pins on the barrel. The discharge temperature is low, which can meet the extrusion requirements of various production processes. At the same time, due to the improvement of the screw structure, the driving power is reduced, and the unit energy consumption is significantly reduced. Due to its good plasticizing performance, low discharge temperature, and large extrusion volume, it has been more and more widely used in rubber industry production.
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