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At present, the impact of the global financial crisis has not subsided, and the ship repair market is still sluggish. In such a market, how to highlight the characteristics of the enterprise, to complete the project efficiently and with quality, to establish a good corporate image, to start the ship repair brand, and to improve the core competitiveness will be the top priority of the enterprise. In addition to continuously exploring new markets, tapping its own potential and developing new technologies and processes are also one of the main topics of Changxing Shipyard. In the repair of the "Saihan" wheel, the hull workshop of the factory successfully achieved a new breakthrough.
The "Saihan" wheel project requires the production of multiple linear complex steel sections. If the conventional repair method is used, it will take a short time to ship the parts in bulk. In order to shorten the construction period, the craftsman Zhang Naiqing used the advanced three-dimensional lofting method. It is manufactured by manufacturing a three-dimensional segmented ship. Different from the traditional sample placement, the three-dimensional lofting is to create a virtual construction of the segment by inputting data on the computer. It can have a more detailed understanding of the segment before the actual construction, and at the same time, due to the accuracy of the computer. Higher, so computer modeling can reduce the human error caused by the stakeout process, which will greatly improve the quality of the segmentation.
Through the partial transformation of the numerical control equipment, the workshop turned the original sample wood model into a numerical control wood sample board, which improved the accuracy of the sample board. From the simple plane segmentation to the three-dimensional double-curved three-dimensional segmentation, the technical content of the segment is improved and the construction efficiency is improved. In the use of the new construction process, in addition to the need to reserve a certain margin in the combination of new and old structures, the assembly of the new parts has been achieved without any margin, thus reducing the waste of materials. At the same time, due to the preparation of the prefabricated model in advance, through the double-curved three-dimensional production technology, the entire three-dimensional segmentation process can be effectively completed within four days, the construction time is short, and the product quality is high.