Laser Quenching equipment
Perform phase transformation hardening treatment on the metal surface to improve the hardness, wear ...
Perform phase transformation hardening treatment on the metal surface to improve the hardness, wear ...
Used for surface strengthening, repair, and remanufacturing of components, the coating has high adhe...
Flexible processing of complex curved sheet metal parts, with high cutting accuracy, fast speed, and...
Specially designed for seamless welding of precision plastic components, with a small heat affected ...
During navigation, the propulsion system gear, as the core transmission component, is required to bear the alternating load caused by the heavy load navigation of the ship for a long time, and resist the erosion of high salt mist and high humidity in the marine environment. The tooth surface abrasion, pitting corrosion and corrosion perforation are very common types of faults. The traditional surfacing repair process not only has a large heat affected zone, which is easy to cause gear deformation, but also difficult to ensure the corrosion resistance of the repair layer. After repair, the service life of the gear is short, and frequent repair seriously affects the shipping efficiency and increases the operating cost. Dow Automation Laser Cladding Equipment customized CuAlFe1 alloy powder cladding scheme for special working conditions of ship gears. This alloy material has excellent seawater corrosion resistance and abrasion resistance. According to the inspection of authoritative organization, the corrosion resistance time of salt spray test is up to 1500 hours, 6 times more than that of gear base material.
In the specific application process, the equipment adopts accurate temperature control and local heating technology to strictly control the heat affected zone within the range of 0.2-0.4mm, effectively avoiding the phase change of gear matrix structure and not changing the original mechanical property of the gear. For a large shipping company's 100000-ton automobile carrier, its propulsion system gear was previously corroded and worn, so it needed to be stopped for replacement every 8 months, and the single replacement cost was over 800000 yuan. With the treatment of Dow laser cladding equipment, the gear surface wear is only 0.08mm after 24 months of continuous navigation test, which is far below the 0.3mm wear limit allowed by the industry. The service life is directly extended to 24 months, and the maintenance frequency is reduced by 67%. At the same time, the gear accuracy after repair reaches above Level 8 of the original design standard, fully complying with the certification requirements of the International Classification Society. The repair cost of a single gear is only 35% of the replacement cost of a new gear, saving the operation and maintenance cost of over 2 million yuan for the enterprise every year.
