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Application of plastic extruder metering pump

The ZB-B series extruder melt pump is a universal extrusion system melt gear pump, which is suitable for extrusion and transportation of polymer melts from low viscosity to extremely high viscosity; Generally installed between the extruder outlet and the die head, used as a melt metering pump; It can also be installed in polymer melt pipelines for use as a booster pump.

Characteristics of plastic extruder metering pump

1. High temperature, high pressure, and high viscosity adaptability: Melt metering pumps can be applied to high temperature (such as 350 ℃ or higher at 400 ℃), high pressure (such as 35 MPa or higher at 40 MPa), and high viscosity (such as 20000 Pa • s or higher at 40000 Pa • s) working conditions. This wide adaptability enables the melt metering pump to handle various difficult polymer melts.

2. Optimization of flow channel design: The melt metering pump has an optimized flow channel design, which helps to avoid dead corners in the flow channel, reduce material residue, and thus improve product quality.

3. Gear parameter design improvement: Through improved gear parameter design, the melt metering pump can achieve more stable output pressure and lower pulsation rate, which is very important for precision extrusion processes.

4. Good material wear resistance: Melt metering pumps are usually made of high-temperature alloy steel, which has good wear resistance, ensuring the long service life of the melt pump.

5. Various sealing methods: The melt metering pump adopts multiple sealing methods to adapt to materials with different viscosities and ensure good sealing performance.

6. Flexible installation method: The melt metering pump can provide a suitable installation method according to the different on-site conditions of customers, which makes it more flexible and practical in practical applications.