Ship base gasket precision control method

The invention provides a ship base gasket precision control method. The ship base gasket precision control method comprises the steps that horizontal data of the position of a to-be-installed square gasket and the position of an installed arc-shaped gasket on a base are collected; after format conversion, selecting the minimum value of the horizontal data of the position where the arc-shaped gasket is installed as a reference zero point, adjusting other horizontal data according to the reference zero point, and outputting a data coordinate list; the point number and the Z value corresponding to the point number in the output data coordinate list are reserved, and a grinding work data list and a machining data list are formed respectively; the arc-shaped gasket is polished according to the polishing work data sheet, and the square gasket is installed and welded after being machined according to the machining data sheet. The method for controlling the precision of the ship base gasket is easy to operate, high i