Theoretical displacement of melt pumpThe volume of melt discharged per revolution is called the theoretical displacement of the melt pump, or pump displacement, and its unit is cc/r or cm³/r. The specifications of melt pumps are generally expressed in terms of displacement.Theoretical flow rate of melt pumpIgnoring the influence of leakage, the unit calculated based on the geometric dimensions of the melt pump, the melt flowing through the melt pump within a certain period of time is called the theoretical flow rate of the pump. Usually volume flow and mass flow. The theoretical volumetric flow rate is obtained by multiplying the displacement of the melt pump by the rotation speed, and the unit is cm³/min or cc/min, l/min. The melt density is multiplied by this value to obtain the theoretical mass flow rate of the melt pump, usually expressed as g/min or kg/h, t/h.

Today, the editor will share with you knowledge about the displacement and flow rate of melt pumps.

Theoretical displacement of melt pump

The volume of melt discharged per revolution is called the theoretical displacement of the melt pump, or pump displacement, and its unit is cc/r or cm³/r. The specifications of melt pumps are generally expressed in terms of displacement.

Theoretical flow rate of melt pump

Ignoring the influence of leakage, the unit calculated based on the geometric dimensions of the melt pump, the melt flowing through the melt pump within a certain period of time is called the theoretical flow rate of the pump. Usually volume flow and mass flow. The theoretical volumetric flow rate is obtained by multiplying the displacement of the melt pump by the rotation speed, and the unit is cm³/min or cc/min, l/min. The melt density is multiplied by this value to obtain the theoretical mass flow rate of the melt pump, usually expressed as g/min or kg/h, t/h.

Melt pump instantaneous flow rate

Within a certain instant, the melt volume discharged by the melt pump usually refers to the cumulative flow rate of the theoretical instantaneous volume.

Actual flow rate of melt pump

The actual flow rate refers to the actual ability of the melt pump to transport liquid. Because there will always be a certain gap inside the melt pump, there will always be a certain amount of leakage flow when the melt pump transports melt. So the actual flow rate is obtained by subtracting various leakage flows from the theoretical flow rate.