Supported by the Chinese and German governments, Shanghai Jiaotong University serves as the leading institution in this technical cooperation project. The initiative, "Research on High Power Laser Welding Technology for Ships," is being led by a company and has made significant progress. Recently, the second group of participants has already departed for Germany to undergo specialized training. This marks the first time China's shipbuilding industry has launched a research and application project focused on advanced welding technology.
From 2004 to 2007, the project concentrated on integrating the latest high-power laser welding technologies into ship construction. It received strong backing from the German government and six prominent research institutions and companies in Germany. As part of the agreement, Germany will supply state-of-the-art equipment and provide comprehensive training to Chinese professionals. In return, Chinese researchers and engineers will contribute their expertise to develop and refine welding techniques. Through this collaboration, the project aims to cultivate skilled personnel, develop innovative technologies, and produce meaningful results that bring China’s shipbuilding industry up to par with global leaders.
Laser welding is gaining popularity due to its high energy density, precise control, strong penetration, and minimal heat input, which reduces deformation. It also allows for different shielding gases, making it highly versatile. However, the small focal spot size requires tight assembly tolerances, which makes it challenging to apply in shipbuilding. Currently, only a few countries, such as Germany and the United States, have successfully implemented laser welding in ship construction, with Germany leading the way in innovation and application. This project represents a major step forward in bringing this cutting-edge technology to China's maritime industry.
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