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Coal mine

The working environment of coal machinery is complex and demanding, with long operating times and heavy loads, especially in humid underground environments, various harmful gases, dust particles, etc., which can easily cause corrosion and wear to the mechanical equipment, greatly shortening its service life. The main forms of failure of these devices are wear, corrosion, scratches, etc., such as the wear and failure of cutting teeth, scraper conveyor slots, gears, shafts, and other components, as well as the corrosion and failure of hydraulic support columns, oil cylinders, and piston rods.

Ocean/Ship

Due to long-term work in river and marine environments, a large number of components in drilling platform ships, large ship cranes, and other mechanical equipment will corrode and wear out, requiring protection and repair.

Laser cladding repair and remanufacturing technology can simultaneously meet the application needs of wear and corrosion of marine machinery components, and has been widely used in various products such as marine diesel engines, marine gas turbines, steam turbines, propellers, and ship hulls.

Petroleum

Due to the harsh working conditions of underground oil operations, many downhole tools are subjected to long-term loads and used in conditions of corrosion and wear, resulting in premature failure and damage, thereby shortening their lifespan. Most oil drilling and production industries use laser cladding technology to prepare and repair hard coatings in the wear area of large parts, without preheating and with small subsequent processing volume, shortening the repair cycle, improving the surface hardness, corrosion resistance, and wear resistance of the workpiece, and greatly increasing the service life of the parts.

Construction machinery

Engineering machinery includes many types such as lifting machinery, earthmoving machinery, transportation machinery, concrete machinery, railway maintenance machinery, etc. Wear resistant coatings need to be prepared in key parts to improve their service life. When serving in coastal or humid environments, the corrosion resistance of the equipment also needs to be considered. Long term harsh working environments can easily cause damage to various components of equipment, such as peeling, detachment, cracking, impact, corrosion, wear, etc.

Agricultural machinery

During the cutting process of agricultural machinery equipment, the cutting tools must withstand impact and vibration loads, as well as strong friction between the workpiece and chips, resulting in frequent wear, curling, chipping, or breakage of steel cutting tools during use, which affects machining accuracy and production efficiency, shortens the service life of the tools, and increases production costs.

Mold manufacturing

The application of molds is very extensive, and the vast majority of components require mold forming. There are many methods to repair molds, such as electric discharge, argon arc welding repair, laser cladding, electric brush plating, etc. Laser cladding technology has unique advantages in mold repair, with flexible and adjustable powder materials that meet different service performance requirements. It can prepare different types of wear-resistant, high-temperature resistant, and erosion resistant coatings, even gradient coatings. Coating materials can be cobalt based, nickel based, and ceramic composite materials. Compared with traditional arc welding techniques, laser cladding has lower heat input, less thermal impact on the substrate, and lower residual stress in the repair area; And with high precision, it can achieve precise repair of small defects in high-end molds.

Paper making/printing

The printing guide roller includes a guide roller body, and the two sections of the guide roller body are respectively equipped with roller pillows and shafts. Many printing factories have experienced mechanical wear and chemical corrosion on their guide rollers due to prolonged operation, which in turn affects production efficiency and quality. The most direct method for removing worn and corroded printing guide rollers is to replace the components, but the cost will increase.

Metallurgy

The service environment of the components of steel metallurgical equipment on the production line is mostly high temperature, high variable load, alternating cold and heat, corrosion, wear and fatigue working conditions. The surface protective layer of current steel metallurgical equipment parts is mostly prepared by methods such as electroplating, thermal spraying, and arc welding. The application of laser cladding technology can effectively improve the service life of part coatings, reduce maintenance steps, and adjust coating thickness and performance.

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