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It is a thermal spraying method that forms a high-temperature, high-speed plasma jet in a gas such as argon through a high-current direct current arc discharge, and performs melting and acceleration by introducing powdery thermal spray materials into this plasma jet to create a coating. Due to the extremely high energy density of the plasma jet, temperatures exceeding 10,000°C can be achieved, allowing for the thermal spraying of most materials, including high-melting-point metals, cermets, and ceramics. Additionally, since the temperature of the plasma jet can be selected based on the generation conditions, there is a high degree of freedom in material selection, and it has characteristics such as high adhesion between the substrate and the thermal spray coating.
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basic information
It is a thermal spraying method that forms a high-temperature, high-speed plasma jet in a gas such as argon through a high-current direct current arc discharge, and performs melting and acceleration by introducing powdered spray materials into this plasma jet to create a coating. Due to the extremely high energy density of the plasma jet, temperatures exceeding 10,000°C can be achieved, allowing for the spraying of most materials, including high-melting-point metals, cermets, and ceramics. Additionally, since the temperature of the plasma jet can be selected based on the generation conditions, there is great freedom in material selection, and it has characteristics such as high adhesion between the substrate and the sprayed coating.
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Applications/Examples of results
- Plasma spraying case 1: Rotary valve casing - Plasma spraying case 2: Rotary valve sphincter box - Plasma spraying case 3: Collet chapp - Plasma spraying case 4: Pump shaft - Plasma spraying case 5: Carbon plate spraying - Plasma spraying case 6: Carbon plate during spraying - Plasma spraying case 7: Roll spraying completed - Plasma spraying case 8: Pump seals, mechanical seals, rolls, etc. - Plasma spraying case 9: Motor shaft - Plasma spraying case 10: High-temperature industrial parts, piston rings - Plasma spraying case 11: Crankshaft (shaft after spraying) - Plasma spraying case 12: Roll shaft (shaft after polishing) - Plasma spraying case 13: Cabsthan (bearing) (shaft after spraying)
Company information
Since its founding, Niigata Metalicon Co., Ltd. has been on a path of technological development in the fields of metal rust prevention, corrosion resistance, and wear-resistant processing. Starting in 1950 as Minato Plating, a comprehensive metal surface treatment company, we ventured into the broader field of metal thermal spraying in 1953, aiming to establish a system that could meet extensive needs. At that time, metal thermal spraying was not yet widespread in the region, but our unique technological development proved successful, earning us praise from local users. In 1961, we reorganized and changed our name to Niigata Metalicon Co., Ltd. This marked the beginning of our efforts to improve our internal organization as a company, expand our facilities, and transform into a modern corporate entity. We have continuously engaged in proactive technology acquisition, keeping pace with the rapidly changing waves of technological innovation. We have also formed technical partnerships with leading companies such as Dow Corning and Kanizen in Japan, and we have ventured into new fields, including electroless nickel plating. Niigata Metalicon Co., Ltd. aims to advance with the social mission of providing advanced technology to the region.