Plasma Arc Welding Equipment for Powder Hardfacing (PPAW)
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PTA Welding Equipment for Powder Hardfacing, fully automatic.
Plasma Transferred Arc Process (PTA Process) is used to fuse a metallic coating to a substrate in order to improve its resistance against wear and/or corrosion. This technique is called hardfacing.
All welding parameters, including powder feed, power input, plasma gas and shielding gas, as well as torch and workpiece movement are automated and computer controlled.
PTA hardfacing is a true welding process that applies 100% dense defect free metallic or composite layers. System uses both, powder and wire feed materials.
Deposit thickness can range from 0.6 to 20 mm; width from 3 to 30 mm. Process efficiency is up to 98%.
Other features: metallic bond between the substrate and deposit and very low dilution (5%, compared to 20-25% obtained with MIG or TIG processes) .
We supply manual and automatic (robotic, XYZ gantry) systems. Equipment configuration can be optimised and tailored for specific application.