Plasma Transferred Wire Arc is a unique manufacturing process that can deposit a coating on an external surface or internal surface. Internal diameters as small as 2" (50mm) or as large as 14" (360 mm) can be coated. All conductive wires up to an including 0.0625" (1.6mm) can be used as feed stock material including including "cored" wires. Refractory metals as well as low melt materials are easily deposited. The system is designed for easy start-stop operation and can be hand held or machine mounted and up to 100 hrs. of continuous operation without changing components. The PTWA process uses one wire which makes it ideal for stable trouble-free solid and cored wire applications.

Typical Coating Materials

• Iron & Iron Based Materials
• Stainless Steels
• Nickel & Nickel Based Materials
• Copper & Copper Based Materials
• Zinc & Zinc Based Materials
• Aluminum & Aluminum Based Materials
• Molybdenum
• Zirconium & Tantalum
• All Conductive Metals

Typical Applications

• Pipe Corrosion Protection
• Pipe Wear Protection
• ID Repairs
• ID Size Restoration
• Bearing Housing Repair
• Gun Barrel ID's
• Heat Conduction Improvement
• And Many Others

Production Facility Using the PTWA Process to Coat the Inside Diameter of Engine Bores.