Water ring vacuum pump shaft broken analysis _

during the running of the water ring vacuum pump, may suddenly rupture. Shaft fracture occur immediately on the surface, but in fact, the accumulation of quantitative changes led to a qualitative change. What causes the water ring vacuum pump bearing fracture?

1。 Corrosion of gas or liquid could also lead to water ring vacuum water pump shaft broken

2. Water pump shaft end thrust surface on the spindle motor shaft free press load. When the air compressor load increases, the engine shaft ablation or loose easily. Radial runout.

3。 Water ring vacuum pump of the main bearing wear too much, loose for a long time. The fracture occurred in the second part of the engine shaft. This is because the engine shaft with large radial runout, which leads to engine shaft fracture.

4。 Water ring vacuum pump shaft bending is too big or different, uneven main bearing clearance is loose, the engine shaft stuck in the rotation, and uneven load before and after the engine shaft, radial runout is very frequent.

5。 Water ring vacuum pump main bearing and connecting rod bearing ablation for many times, melting part support abate, axial-radial jitter is frequent, the root stress change after ablation, therefore between the roots and arm shaft fracture.

6。 Water ring vacuum pump of the adjacent main bearing gap is too big, especially in the last two main bearing between the first two main bearing clearance is too large. Behind a flywheel, in front of the engine shaft has a belt pulley, the engine shaft at both ends was full of stress. Radial runout is very frequent.

7。 Main bearing of water ring vacuum water pump after ablation or rolling bearing, the back axle of the motor shaft will be too big.

8。 Water ring vacuum pump motor shaft end clearance is too large or ablation, mobile operation.

due to the change of water ring vacuum pump bearing support and the change of the main shaft concentricity, stress concentration on the arm. In addition, the arm itself than the shaft neck is thinner, and the shaft is easy to break. As a result, small make up remind everybody when use should pay attention to these problems, can be effectively avoided.

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