What are the parameters of the standard extruder melt gear pump?

The standard extrusion machine gear pump is one of the key equipment in the plastic processing industry, responsible for providing stable and reliable fluid transmission for the extrusion process. Its performance parameters are directly related to the working efficiency and product quality of the extrusion machine. This article will provide a detailed analysis of the main parameters of the standard extrusion machine gear pump, helping readers to gain a deeper understanding of its characteristics and selection points.

Firstly, we need to pay attention to the displacement of the gear pump. Displacement refers to the volume of liquid that a pump can deliver per unit time, usually expressed in milliliters per revolution (ml/r) or liters per minute (L/min). The size of the displacement directly affects the production capacity of the extruder, therefore, in the selection process, it is necessary to determine the appropriate displacement based on production needs.

Secondly, pressure is another important parameter of gear pumps. It represents the maximum pressure that a pump can generate during operation, usually measured in megapascals (Mpa). The magnitude of pressure determines whether the gear pump can meet the pressure requirements of the extrusion process and whether it can work stably. When selecting, it is necessary to determine the required working pressure based on the properties of the extruded material, the structure of the extruder, and the requirements of the production process.

In addition, speed is also a key parameter of gear pumps. It represents the rotational speed of the pump shaft, usually expressed in revolutions per minute (r/min). The speed directly affects the displacement and working efficiency of the gear pump. When selecting a gear pump, it is necessary to determine the appropriate speed range based on the working speed of the extruder and the required displacement.

In addition to the three main parameters mentioned above, there are also some other parameters worth paying attention to. For example, the volumetric efficiency of a gear pump represents the ratio of the actual displacement of the pump to the theoretical displacement, which reflects the working efficiency and energy loss of the pump. When selecting, it is necessary to choose a gear pump with higher volumetric efficiency to improve production efficiency. In addition, the weight and driving power of the gear pump are also factors that need to be considered. The weight determines the difficulty of pump installation and transportation, while the driving power determines the energy consumption of the pump. When selecting, it is necessary to weigh these factors based on actual needs and conditions.

BATTE standard ZB-B melt pump parameter values:

Model/Volume Range: 0.5CC-12000CC

Viscosity: ≤40000Pa.s

Working Temperature: ≤400°C (750℉)

Cleaning Temperature: ≤450°C (850℉)

Outlet Pressure: ≤40Mpa (6000psi)

In addition to the above parameters, we also need to pay attention to the structural characteristics and usage environment of the gear pump. For example, the material of a gear pump needs to be able to resist corrosive substances that may be produced during the extrusion process, while also having good wear resistance and heat resistance. In addition, the design of gear pumps also needs to consider ease of maintenance and replacement of parts, in order to quickly solve possible problems during the production process.

In summary, the parameters of the standard extruder gear pump involve multiple aspects, including displacement, pressure, speed, volumetric efficiency, weight, driving power, etc. When selecting, we need to comprehensively consider these factors based on actual needs and production conditions, in order to choose the most suitable gear pump product. At the same time, we also need to pay attention to the structural characteristics, usage environment, reliability and stability of gear pumps to ensure that they can provide stable and reliable fluid transmission services for extrusion machines.

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