Plasma Spray System

The modular design of the Multus system utilizes mass flow controllers for ultimate repeatability, consistency and easy serviceability. Operator interface is through an intuitive and robust industrial touch screen designed for years of trouble free operation. Recipes can be quickly established and stored for later retrieval. Incorporated into Multus controls are warning and alarm levels for all parameters. We proudly use elmatech plasma power supplies.

What differentiates plasma systems?

Enthalpy. It isn’t discussed much because plasma torches up to now, legacy, and existing cascade, have inherent design constraints that limit reliable enthalpy operation beyond ~30kJ/g. The Model 5 is rated at about 60kJ/g, at least double the existing “standard”. This high level is achieved at modest power levels (≅ 100kW) – eliminating the need for large gas volumes or high power ratings. This level of efficiency translates to more material deposition on parts in less time and with less cost.

In the cascade design, neutral segments force the arc to “cascade” from the cathode/electrode to anode/nozzle, thereby constraining its length and eliminating instability and drift. This translates to higher deposition efficiencies, improved quality and more consistent coatings. The longer arc length also creates higher voltage which affords lower amperage to achieve desired power levels – which improves hardware durability. Furthermore, the C+ Plasma torch provides greater flexibility in nozzle design, including low and high velocity hardware to efficiently spray different coatings.  This amazing feature combines the best of both worlds because the Multus single spray system can apply both high quality ceramic and metallic coatings. Changing the nozzle is all that is needed to convert torch performance between high and low velocity.