The pump impeller how? Water pump impeller removal methods and matters needing attention have?

Is the core part of the pump impeller, strength higher than that of its speed, on the impeller blades and play a major role, the impeller through static balancing experiments before assembly. Impeller on the inside and outside for smooth surface to reduce friction loss of water. Pipeline centrifugal water pump impeller is installed on the long axis of the motor directly, short axial dimensions, compact structure, the pump and motor bearing reasonable configuration, can effectively balance the radial and axial load of pump operation, so as to ensure the smooth operation of the pump, small vibration, low noise.

in the maintenance of all kinds of water pump with the impeller, often encounter the pump impeller encountered a lot of wear and tear or corrosion damage phenomenon, so will involve the need to remove the water pump impeller, remove the pump impeller method and remove the water pump impeller considerations specific as follows:

1, remove the pump impeller need to measure the rotor axial momentum and radial runout, the measuring rotor axial momentum and radial beat is normal and record as shown in figure 1 A week 11, the rotor rotation, the maximum reduction of the minimum of the same measuring point is the point of beating

water water pump impeller removal methods figure

2, and then remove the impeller back cap, remove the impeller, remove the former confirm back cap handedness, forbidding reverse forcibly damage back cap, as shown in figure 1 12, the impeller with a crowbar to pry, to pry in the floor of the impeller, lest will pry impeller crack, as shown in figure 1 13, appearance inspection impeller back cap shall be deducted without a bite and the phenomena of silk, or should be repaired or replaced.

water pump impeller removal methods figure

3, and then remove the impeller flat key, flat key appearance inspection key should be no obvious defects such as deformation, defects, cooperate with keyway should comply with the requirements, otherwise should be used to repair or replace the impeller pump is usually a multistage centrifugal pump, sewage pumps and submersible pump products.

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