Water ring vacuum pump shaft damage and repair

water ring vacuum pump is composed of impeller, pump body and shaft. However, long-term use will inevitably cause damage to parts, which damaged the pump shaft is very big. In order to be able to normal use, will introduce the following repair of vacuum pump shaft damage method.

1。 Surface finish should not be low, especially in the shaft is easy to fracture.

2。 Should be paid attention to when using the pump shaft after repair welding, the change of the repair welding area, so as to avoid an accident.

3。 In use, often appear fault is the pump shaft fracture, especially for larger air pump.

4 mutations, design to avoid cross section, transition without application Angle and rounded corners to connect.

5。 shaft for sleeve rigidity is insufficient and impeller unbalanced big deformation and bending in the operation process.

6, in disposable parts damage, the damage of shaft occupies a large proportion. shaft damage including bending, cracking and breakage.

7。 Fracture plane perpendicular to the axis, usually very neat, like a knife. Most of the part is smooth and metal, and a small part is rough.

8。 Fatigue damage is the main reason for the water pump shaft running pump indoor gas in the process of the force exerted on the pump shaft, also known as the radial force.

9, water ring vacuum pump, pump shaft fatigue crack should be replaced in a timely manner, if need to continue to use due to objective factors temporarily unable to replace, temporary remedy is to repair welding crack.

10。 Crack and fracture of pump shaft parts often occur where the local stress concentration, such as the edge of the slotting and the diameter of the sudden change. Is the usual cause of damage to the vibration caused by fatigue damage.

11。 In the machining process, the circumference of the different diameter of axle transition process should guarantee the quality, so we should be in strict accordance with the drawings for the size and finish machining. shaft and the transition to perform surface must not have tool marks, scratches, bumps and other defects.

water ring vacuum pump of the pump shaft plays an important role in the entire device, so there will be a lot of problems in use. The question whether there is not important. In addition, we should pay attention to and timely maintenance, to avoid the accident.

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