Plasma Powder Overlay ( PTA ) Coating Services
Plasma powder overlay welding process uses water-cooled copper nozzle to compress the arc column of free arc, so as to make the energy more concentrated and the gas in the arc column fully ionized. Such arc is called plasma arc.
Plasma powder overlay welding process uses water-cooled copper nozzle to compress the arc column of free arc, so as to make the energy more concentrated and the gas in the arc column fully ionized. Such arc is called plasma arc. The plasma arc energy is highly concentrated and the temperature reaches a very high degree ( about 1 ~ 20,000 degrees ). The generated high temperature rapidly heats and melts the alloy powder with the substrate surface, forming a high-quality alloy welding layer on the substrate surface.
Star-weld series plasma powder welding system designed and developed by Kennametal Stellite is recognized as one of the most successful plasma welding systems in the world, and has more than 40 years of experience in plasma powder welding process application, which can provide customers with one-stop solutions from system design customization, coating material selection to process development.
Plasma powder surfacing process has been accepted by more and more customers because of its low dilution rate of welding layer, little influence on substrate, easy automation and high quality reproducibility, and has been successfully applied in many fields such as automobile, electric power and petrochemical industry.
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