Can the support set screws of a cantilever pump be used to adjust concentricity? Why?
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Can the support set screws of a cantilever pump be used to adjust concentricity?
Support set screw? Is it the support at the coupling end? Concentricity? Can I understand it as centering? Centering is generally done by adjusting the motor. Once installed, this support is generally not adjusted.
This support is not used for adjusting concentricity; its purpose is as follows: after aligning the pump, tighten the bolts at the bottom first, and then tighten the upper bolts (the holes in the upper bolts are larger than the bolts themselves).
This support is mainly used to reinforce the pump body, reduce sagging in front of the pump, and minimize vibrations!
No, the support is used solely to hold the pump body in place. The concentricity of the pump is adjusted by setting the positions of the motor and the pump, so that both are within the proper axial and radial ranges in order for the pump to function properly
Of course not, as it severely affects the clearance of the impeller’s mouth ring (which is usually around 0.5 mm). When the pump head is raised or lowered, the mouth ring inside also changes in size; once it becomes smaller, the impeller and the pump casing are more likely to collide when the pump vibrates violently, which is dangerous. Therefore, it’s important to adjust the alignment to its natural state by tightening the screws diagonally