Instructions for using the extruder melt pump

The extruder melt pump is a commonly used equipment in the production process of plastics, rubber and other industries. It can uniformly and stably transport high-temperature molten plastic or rubber materials to the barrel of the extruder through rotation or reciprocating motion, thereby controlling the quality and output of products. This article will provide detailed instructions on the use of the extruder melt pump to help you better understand and use this equipment.

1、 Structure and working principle of extruder melt pump

The extruder melt pump consists of a pump body, rotor, seals, bearings, and transmission devices. Its working principle is to use a rotating rotor to suck molten plastic or rubber materials into the pump chamber, and then transport the materials to the outlet end through the gap between the stator and rotor. During the conveying process, the melt pump controls the pressure and temperature to maintain the material in a molten state, while ensuring its uniformity and stability.

extruder melt pump

2、 Installation and commissioning of extruder melt pump

When installing the extruder melt pump, it is necessary to place it on a flat surface to ensure the levelness and stability of the pump body. At the same time, it is necessary to connect the inlet and outlet pipelines well and ensure good sealing to prevent leakage and pressure loss. During the debugging process, it is necessary to first check whether the pump rotates flexibly, whether there is any jamming phenomenon, and ensure that the bearings and seals are well lubricated. Then, adjust the pressure and temperature parameters of the pump according to actual needs to meet the production process requirements.

melt pump for plastic extrusion

3、 Operation and maintenance of extruder melt pump

When using the extruder melt pump, it is necessary to first open the valves of the inlet and outlet pipelines to ensure that the molten plastic or rubber material can smoothly enter the pump chamber. At the same time, it is necessary to observe the operation of the pump. If any abnormal sound or vibration is found, it should be stopped in a timely manner for inspection and troubleshooting. In the daily use of pumps, it is necessary to regularly check the wear of seals and bearings, replace worn parts in a timely manner, and maintain the cleanliness and good lubrication of the pump body. At the same time, it is necessary to regularly clean the pump chamber and inlet and outlet pipelines to prevent blockage and adhesion.

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