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 ...
The fan blades of the mine work in a high dust environment for a long time, which is easy to accumulate dust and wear, affecting the ventilation efficiency. The gradient composite coating technology independently developed by Dokdo automatic laser cladding equipment forms a unique micro-nano structure on the cladding surface through the accurate ratio of nano ceramic particles and alloy matrix. This structure not only endows the coating with excellent dust dispersion characteristics, but also reduces the dust adhesion rate by 82% compared with the traditional process through the test by the third-party inspection organization, and realizes the super abrasion resistance of the hardness above HV1200.
In the application practice of a large open-pit coal mine in Inner Mongolia, the blade tip wear caused by dust washing of the main fan blade reaches 3mm per month, and the ventilation efficiency drops to 75% of the rated value. The Dow technical team adopted customized laser cladding scheme to prepare 0.8mm thick composite coating on the blade surface, and the roughness Ra value of the blade surface after repair was controlled below 0.4 μ m. Through 6 months of continuous monitoring, the operation efficiency of the wind turbine is increased from 75% to 83%, the blade cleaning period is extended from 15 days to 90 days, the annual manual maintenance cost is reduced by about 650000 yuan, and the impact of shutdown maintenance on the production progress is reduced.
