Melt pumps are mainly used for high temperature and high viscosity polymer melt transfer pressurization and metering. The melt pump will come from the extruder of high temperature plastic melt pressurization and stabilization, the flow of stable into the extruder head. Its advantages are reflected in the following aspects.
1, improved dimensional stability, effective isolation of the mold from fluctuations from upstream.
2, control the melt quality, adjust the extruder back pressure to reduce the retention time, stabilize the plasticizing action and reduce the melt temperature.
3, increase production, regardless of the pressure required to build up to provide very high efficiency.
4, reduce the use of raw materials to provide the final product finished product size changes.
5, Eliminating fluctuations and screw impact, effectively solving problems caused by solution density or extruder parameters.
6、Enhanced flexibility of the extruder, allowing changes in processing conditions, such as higher return material usage, temperature and pressure.
7, Extend the life of the extruder, reducing the work intensity of the extruder, such as pressure and torque.
8、Reduce operating costs, provide more accurate dosage of infused material and avoid raw material waste.
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