PTA Hardfacing

By: MES Engineering Technologies  02-15-2013
Keywords: Hardfacing, Thermal Spraying, Plasma Transferred Arc

The recently installed Robotic PTA welding systems puts MES in a unique position making the first company in South to have a completely integrated robotically controlled PTA welding system. PTA  (Plasma Transferred Arc) is an advanced technological method of depositing super alloys metallurgically to the substrate material. The technology allows the company to apply Cobolt,Nickel and Tungsten hardfacing materials to wood chipping components such Bedblocks and Knife clamps. Other applications are in the repair ship valve and  is aslo suitable for hardfacing high wearing components like wear rings, valve seats, paddles and extruder screws to name a few. Using a robotic control together with PTA welder produces tougher more wear resistant deposits resulting in smooth, consistent downlays reducing post machining and grinding time and associated costs .Robotic automation together with the PTA welding PLC system allows for easy storage of job parameters.

Keywords: Hardfacing, Plasma Transferred Arc, Thermal Spraying

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