System for forecasting erection accuracy of fabricating blocks of ship, method, and media thereof

Abstract

The present invention relates to a technique of previously calculating a numerical value deviation of ship blocks to be combined before ship blocks are directly erected and optimizing a numerical value of an erection block to be erected so that the erection block can be erected in a ship block by a one-time erection process. In the technique, a basic block assembled in a ship block and an erection block to be combined in the basic block are measured, and the basic block and the erection block are displayed in three-dimensions on a program screen for forecasting an erection dimensional accuracy, and the basic block and the erection block are combined virtually. Then, a deviation between measuring results of the basic block and the erection block is calculated, and the calculated deviation is displayed as a three-dimensional vector so that an operator can easily identify a deviation value of the erection block.

Description

technical field [0001] Generally, the present invention relates to a system, method and recording medium for predicting dimensional accuracy of ship block assembly. More specifically, the present invention relates to a technique of calculating in advance the dimensional deviation of the ship sections to be combined before the direct assembly of the ship sections, and optimizing the size of the erection block so that the erection block can be assembled in one go. Process assembly to the basic segment (basic block). Background technique [0002] A marine structure, including a boat, usually assembled by cutting, machining, and welding fittings such as thick metal tubes, small pieces of timber, studs, and engineered materials. A ship, for example, is assembled with 100 or more segments. According to the assembly sequence of the completed ship, the thick plate as a kind of metal plate is first processed and cut according to the drawing, and welded on the previously assembled h...

AI Technical Summary

Problems solved by technology

[0010] First, the operator directly predicts the assembly dimensional accuracy based on the three-dimensional coordinate value, so the operator's proficiency is required

[0011] Second, because the technique depends on operator proficiency, considerable time and cost are required to improve operator proficiency

[0012] Third, because the operator directly predicts the assembly dimensional accuracy based on the three-dimensional coordinate values, it is not easy to manage the numerical values ​​of the assembly segments in complex shape segments

[0013] Fourth, only the assembly dimensional accuracy of two segments can be predicted based on the contact surface, and it is not possible to automatically judge whether there is a gap or overlap with respect to the deviation of the predicted result

However, if the assembly dimensional accuracy prediction of the assembly section is inaccurate, the crane usage time is increased due to repeated reassembly processes

Considerable additional costs for currently used cranes when crane usage time increases

[0015] In addition, when measuring and cutting operations are performed in an assembled state, it takes a lot of time, and the operations are neither accurate nor stable

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