| With the implementation of China’s ocean development strategy and the establishment of the State Oceanic Administration in recent years,maritime affairs is getting more and more,demand for public service ship is increasing.CSSC Huangpu wenchong shipbuilding company limited is a traditional company of sheet-ship and undertake building the ship.Because the industry is not a comprehensive and systematic study of the accuracy of this type of ship,in the construction process,just the three-dimensional measurement technique is used to analyze and judge the construction situation.The public service ship with characteristics of thin shell and complex structural form is difficult in guaranteeing precision control,bringing trouble upon shipbuilding.So the precision control research of thin plate public service ship can largely shorten production cycle,improve enterprise efficiency.In this paper,the 4000 T marine law enforcement ship built by our company as the research object,our company already own some experience to build this ship and piled up date of this ship.Aiming at the problem of deformation and shrinkage during the construction process of the precision control during the ship hull construction.Through the analysis of the construction of the accuracy of the problem,Summarize the relevant experience,and continuously optimize the accuracy design,a reasonable scheme for the construction of the production and construction of the ship hull is established.At the same time,combined with the company’s development of three-dimensional measurement and analysis technology,the accuracy of the program to verify the effectiveness of the implementation.In the course of the construction of the hull structure,through the experiment,the optimization of the measurement scheme and the control scheme,and the simulation of erection to verify the accuracy of the segmentation and optimization to achieve a better control of the accuracy of the project.This research has certain guiding significance to the construction of this type of ship. |