What is the focus of plastic melt discharge pump design?

Melt Discharge Pump is one of the important equipments in plastics, rubber and other polymer material processing industry, which can pump the high temperature melt out from the melt tank and transfer it to the downstream extruder or calender and other equipments. Melt discharge pump with high viscosity, high temperature and high pressure characteristics, so the design and manufacture of the melt discharge pump need to take into account the material, structure, sealing and lubrication and other aspects of the problem.

First of all, the main material of the melt pump is high-strength corrosion-resistant alloy steel, because the melt discharge pump needs to withstand high-temperature and high-pressure conditions, so it is necessary to use high-strength, corrosion-resistant materials to manufacture. At the same time, the parts of the melt discharge pump also need to be finely processed and polished to ensure its accuracy and quality.

Secondly, the structural design of the plastic extruder pump is also very critical. The melt discharge pump generally adopts double end mechanical seal structure, which can effectively prevent the leakage and pollution of the melt. At the same time, the melt discharge pump pump body and impeller and other components also need to be specially designed to ensure that it can work properly under high temperature and high pressure conditions.

In addition, the lubrication and sealing of the melt discharge pump is also very important. Since the melt discharge pump conveys high viscosity melt, it is easy to produce friction and abrasion during the operation of the pump. In order to minimize friction and wear, lubricating oil is generally used for lubrication, while double-face mechanical seals are used to prevent melt leakage.

Finally, the use and maintenance of the extrusion melt pump is also very important. In the process of using the melt discharge pump, you need to regularly check the operation of the pump and whether the pump parts are worn or damaged. If problems are found, the parts need to be repaired or replaced in time. At the same time, in the maintenance process, the pump also needs to be cleaned and sterilized and other operations to ensure its health and safety.

In short, the melt gear pump is one of the essential equipment in the polymer material processing industry. In order to ensure its normal operation and improve its service life, the need for its materials, structure, sealing and lubrication and other aspects of the fine design and manufacture, while in the use and maintenance process also need to be regularly inspected and maintained. Only in this way can ensure that the melt discharge pump in the polymer materials processing industry to play its due role, improve production efficiency and product quality.

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