NYK and Toyokoh Inc have signed a memorandum of understanding (MoU) to examine the feasibility of developing a joint venture that would utilise Toyokoh's 'CoolLaser' technology to remove rust on ships in a more efficient and environmentally-friendly way, thereby reducing the maintenance workload of the crew and dry-dock repair costs
NYK and Toyokoh Inc have signed a memorandum of understanding (MoU) to examine the feasibility of developing a joint venture that would utilise Toyokoh's 'CoolLaser' technology to remove rust on ships in a more efficient and environmentally-friendly way, thereby reducing the maintenance workload of the crew and dry-dock repair costs. During voyages, crew members usually remove rust on a ship's deck using power tools and then repaint the surface, but a tremendous amount of repetitive work is required and the repair work does not remain in good condition for long.
In addition, rust on the shell plates of a ship is usually removed at a dry dock by sandblasting, a procedure that discharges much dust and waste when an abrasive material such as sand is shot at a high speed onto the shell plates to remove surface contaminants.
Since 2008 Toyokoh has been making use of its expertise in paint on structures to develop a laser that would remove rust. The CoolLaser uses laser technology to remove rust from steel structures. It can remove rust quickly, eliminate any salinity, and reduce dust and waste. This technology has the potential to be used in a wide range of steel-maintenance situations.
For the use of CoolLaser technology in the maritime field, the two companies will develop a device, system and measures that suit the maritime industry by studying the impact of lasers on steel material and coating adhesion, in addition to safety measures and improvements. A trial is scheduled to be carried out on an actual ship while the vessel is in dry dock.
