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Samsung Heavy Industries Developing a Laser High Speed Welding Robot for Liquefied Natural Gas Ships

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2023-09-22 15:04:02

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South Korea's Samsung Heavy Industry announced on Thursday that it has developed the first laser high-speed welding robot in the maritime field, aimed at significantly improving the construction efficiency of liquefied natural gas (LNG) transport ships.

This new technology is specifically designed for rapid welding of thin film panels used in cargo compartments of liquefied natural gas transport ships. These films are made of thin layers of stainless steel and come into direct contact with ultra-low temperature liquid natural gas.

Compared to the traditional plasma arc welding (PAW) method, which takes about 5 minutes to weld a 2-meter-long membrane plate, the new robot can complete the task in just 1 minute.

The laser high-speed welding robot is developed by Samsung Production Technology Research Center and uses a swinging method to rotate the laser beam at precise intervals and speeds.

This technology also has defocusing function for adjusting the focus and laser displacement sensor for automatically positioning the bending welding position.

The integration of this advanced welding technology is expected to significantly improve the productivity of shipbuilding companies in the construction of liquefied natural gas transport ships.

The company plans to conduct application testing with the French engineering company GTT's liquefied natural gas cargo hold (MK-III) and begin full-scale production using this technology after obtaining final customer approval later this year.

Cui Douzhen, the head of Samsung Heavy Industry Production Technology Research Center, said: "Laser high-speed welding robots will become the core technology to maintain overwhelming competitiveness in the key process of liquefied natural gas transport ship cargo hold construction." "We plan to expand its application to the cargo hold of ultra-low temperature liquid hydrogen transport ships in the future.

Source: Laser Network

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