Coupling to reduce bearing deformation of Roots vacuum pump

The bearing of the Roots vacuum pump is the key to support the normal operation of the entire equipment. In order to avoid the failure caused by the deformation, countermeasures need to be taken.

1. Measure the bearing hole of the deformed Roots vacuum pump and measure the amount of deformation.

2. Process the Roots vacuum pump after fitting to the theoretical size.

3. After the upper and lower boxes processed in the unit are fastened, the actual bearing hole appears as a long axis equal to the theoretical hole diameter, and the horizontal hole diameter is slightly smaller than the theoretical hole diameter.


4. According to the deformation amount t of the long axis, remove the thickness of the upper and lower surfaces of the unit by the value of t.

5. Process the other bearing positions to the theoretical size.

6. After processing, the bolt hole of the bearing cover will be misaligned with the bolt hole of the box. The bearing cover can be reamed or the bearing hole of the box can be mapped and re-made.

The above measures reduce the deformation of the bearing of the Roots vacuum pump and improve the performance of the entire unit. I hope to help you.

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