Horizontal centrifugal pump repair, horizontal centrifugal pump repair parts?

Horizontal centrifugal pumps are the core parts of impeller, shaft, shaft sleeve, etc. , so in the process of using, the core of horizontal centrifugal pump if problems arise, horizontal centrifugal pump repair parts?

horizontal centrifugal pump repair the first step is to water pump for disassembly and cleaning, carefully check all the parts of wear and deformation.

1, horizontal centrifugal pump spindle repair:

pump shaft, due to the rotation vibration or suddenly crash and bending or cracking; Shaft surface due to friction or severe depression resulting from the transport medium corrosion and wear and tear, resulting in the radial runout or strength to drop, affect the use, needs to be repaired. For the surface erosion can be oiled emery cloth smooth. The need when shaft bending straightening; Very serious shaft can be used for damage after weld repairs, spraying, electroplating grinding method of repair. After repair retesting geometric accuracy and radial runout.

2, horizontal centrifugal water pump axle housing repair:

pump in operation, the sleeves are in contact with the packing part, which is generated by the friction wear and radial runout. For serious abrasion weld-repair after turning can be used to repair, to wear collar need to change.

3, horizontal centrifugal water pump impeller repair:

is one of the vulnerable parts of the pump impeller, the impeller rotates, due to friction corrosion damage, the size and shape changes affect the performance of the pump, such as need to repair and replacement in time. Available for impeller damage is not too serious, the method of repair welding repair. Repair, the impeller first heated to 600 ℃, and then repair welding, and pay attention to the slow cooling after welding, lest produce new crack. Cooling before turning to its original size. If discover the key pine ( Rolling key) , in the case of allowing can widen the keyway or grooving again ( In the 90 ° or 180 °) from the original key And with key again. If there is serious sand holes on the impeller or severe damage to the need to replace impeller.

4, good for the repair impeller should be looking for static balancing anew.

repair good impeller, the transverse momentum is less than 0. 2 mm, impeller outer ring and the seal of the radial runout amount shall not exceed 0. 05mm。

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