After adjusting the vertical direction, the detection data of each point has changed, and the position should be reset to zero again, and the data of the other two points should be measured again.After adjustment, you only need to check whether the sum is within the allowable error range.The principle of coupling alignment is to approximate the projection of the movable end face circle of the motor on the fixed end face as a perfect circle, because the distance from the movable end to the fixed end face remains unchanged.

　　If you want to meet at the same time, the movable end axis and the fixed end axis are on the same line, which is just an ideal alignment state.In actual alignment, set the allowable error first, and when the error generated during alignment is within the allowable error range, alignment ends.In many occasions, the lower detection point of the pump cannot be detected, and the alignment work cannot be performed.

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