Build ship technology
The continuous development of shipbuilding technology has brought about great changes in shipbuilding materials and ship design. The application of laser technology in shipbuilding is unique, which is closely related to the processing and application characteristics of ships and the characteristics of laser manufacturing system.
What are the specific applications of lasers in ships?
At present, flame cutting, plasma cutting, shear machining and laser cutting are the main blanking methods of hull plate parts in the shipbuilding industry. Other cutting methods have many disadvantages compared with laser cutting. In the field of shipbuilding, laser cutting avoids the occurrence of uneven cutting quality caused by setting the cutting allowance on the rib plate in order to ensure the assembly clearance when plasma blanks the rib plate. Thus reduce the workload of assembly, assembly cycle, material and labor cost waste.
Through laser cutting of Marine steel plate, slit quality, vertical cutting surface is good, no slagging, thin oxide layer, smooth surface, no secondary processing, can be directly welded, and the thermal deformation is small, the curve cutting precision is high, reduce the working hours, to achieve the barrier cutting of high strength ship plate.
In the domestic shipbuilding industry, laser cutting does not occupy a dominant position, the main reasons include:
1.Laser cutting cost is higher than traditional cutting method;
2.The large equipment of laser cutting is not suitable for the manufacturing characteristics of the shipbuilding industry, such as on-site construction, segmented operation, complex working environment, etc.
3.The cutting efficiency has no obvious advantage, especially the thick plate cutting in the shipping industry;
4.Laser equipment maintenance complex to the workers high requirements, high cost.
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