Arc gear pump is a positive displacement pump, the main gear, shaft, pump, pump cover, bearing sleeve, shaft seal and other components. Gear with double arc sinusoidal tooth shape manufacturing. Compared with the involute gear, it has the most prominent advantage that the tooth profile has no relative sliding during gear meshing. Therefore, the tooth surface has no wear, stable operation, no fluid due to low noise, long service life and high efficiency. The pump out of the shackles of the traditional design, making arc gear pump in the design, production and use into a new field. The volume of the space on the side where the gear is disengaged increases from small to small and forms a vacuum. When the liquid is sucked in, the volume of the space on the meshing side of the gear decreases from large to small, and the liquid is squeezed into the pipe. The suction chamber and the discharge chamber are separated by the meshing line of two gears. The structure consists of a pair of intermeshing gear and pump casing, the pump per revolution, the amount of discharge is the same. As the drive shaft rotates uninterruptedly, the pump discharges the fluid without interruption. Pump flow directly with the pump speed. The pressure at the outlet of the gear pump depends entirely on the resistance of the pump. In order to obtain a large flow rate, the pump speed must be increased. There is actually a limit to the speed of a pump, which depends on the process fluid. If the oil is delivered, the arc gear pump can operate at a high The speed of rotation, but when the fluid is a high viscosity polymer melt, this limit will be greatly reduced.
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