Flange Displacement Amount Estimation Method For Rotary Machine, Program For Executing Said Method, And Device For Executing Said Method

Abstract: This flange displacement amount estimation method is for understanding valid three-dimensional coordinate data at a lower first position in a surface connected to a lower flange surface of a first supported part, at a lower target middle point position in the lower flange surface, at an upper first position the horizontal position of which matches with the lower first position in a surface connected to the upper flange surface, and at an upper target middle point position in the upper flange surface. The valid three-dimensional coordinate data at each of the positions is changed so that the valid three-dimensional coordinate data at the lower first position and the valid three-dimensional coordinate data at the upper first position can match each other. An intermediate position between the lower target middle point position and the upper middle point position in a vertical direction after the coordinate change is set as a target contact position. The difference between the upper target position and the target contact position in the vertical direction is set as a displacement amount of the upper target position, and the difference between the lower target position and the target contact position in the vertical direction is set as a displacement amount of the lower target position.

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