The P.T.A process, Plasma ad ArcoTrasferito (Transferred plasma process with arc welding machine), Is a fusion welding process suitable for coating on mechanical members subject to wear or corrosion.
The powder feed material is projected continuously over the workpiece through the plasma arc.
Advanteges of PTA
– High energy density
– High deposit rate (up to 10 kg / h)
– Homogeneous and smooth layers
– Low dilution degree
– Excellent reproducibility
– Can be integrated with robots or dedicated systems
– Finishing work minimization
– Wide range of available coating materials
– High surface quality
– Low thermal input on the base material
