What Are The Control Measures For The Installation Quality Of The Main Parts Of The Pump?
The main components of water pump installation quality control measures are as follows:
(1) The installation quality control of impeller, Pump shaft and guide vane body
(2) Quality control of impeller chamber installation
Impeller room is the entire installation of the benchmark, the impeller chamber installed in advance to test and put a good Design Unit center line and elevation as the benchmark, the installation of "Piano line-headphones method" accurate measurement to ensure that the pump group axis in line with the design requirements. In the impeller chamber installed and fixed to the center of the impeller to the base of the pump unit to install the actual Central line locked in the machine pit, the pump section and the Motor section locked each layer, each layer at least 8 points locked.
(3) Motor rotor installation quality control
Fixed, the gap between the rotor is small, the rotor should be closely monitored during hoisting to prevent the rotor and fixed collision, generally in the rotor during hoisting in the fixed, the rotor gap between the 12~16 root thin wood, the hoisting process, to prevent the fixed, the rotor collided.
When the rotor is mounted in place and connected with the pump shaft, the adjustment shall be carried out when the axes are adjusted.
(4) Quality control of rack and stator installation
The lower frame and the motor are set to be installed to lock in the electric layer of the pump group Center as the benchmark, using the "Piano line-headset method" accurate measurement to ensure that the motor and pump coaxial. The stator elevation is the key to control the rotational part elevation of the pump group, although the upper rack and the stator between the general settings adjustment gasket, but the adjustment range is limited, so in the stator installation should be locked in the motor layer of the height of the benchmark, strictly control the stator core center elevation, while ensuring the alignment with the upper rack of the elevation and level.
(5) Axis adjustment
The axial static adjustment should fully consider the impeller clearance, air Gap, the clearance of each seal and the gap between the bearings, through the adjustment so that the rotation part of the best position, and then carry out the car inspection, disk inspection records if not meet the requirements, should be a comprehensive analysis, to find the reasons for not unqualified, and make corresponding measures to adjust.
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