In certain applications, especially with specific plastics, challenges related to abrasive wear, corrosion, and polymer adhesion on steel surfaces often arise. When raw material and heat treatment are not enough to solve these problems, various alternative solutions based on advanced technologies can be explored.
Euroviti offers an advanced range of surface coatings applied to products in our catalog to address these challenges. These technologies include P.V.D. (Physical Vapor Deposition), H.V.O.F. (High-Velocity Oxygen Fuel), Thermal Spray, Chrome Plating, and Thermochemical Treatments. Selected for their ability to significantly enhance component performance and longevity, these coatings provide essential benefits for plastics processing and material handling applications.
To discover the advantages of our surface coatings and how they can optimize your material processing, we encourage you to continue reading on this page.
CHROME PLATING
Chrome plating is a widely adopted technique for the surface protection of components such as screws, nozzles, and heads. Through a specialized galvanization process, components are coated with a metallized layer. This process uses electrical current to transform the base metal into a significantly resistant surface.
This methodology offers excellent plastic material glide and good resistance to corrosion and abrasion, all at a relatively contained cost. Therefore, chrome plating represents an efficient solution to improve the durability and performance of components in a wide range of applications.
P.V.D. (Physical Vapor Deposition)
PVD (Physical Vapor Deposition) is a thin-film coating technology used to deposit a layer of material on the surface of an object. This process involves the evaporation of a solid material to create a vapor that condenses on the surface of the object, forming a thin coating. Euroviti, using PVD, guarantees increased abrasion resistance, better adhesion of the coating to the surface, and extended durability. This technology is suitable for a wide range of plastics, preventing undesirable corrosive or sticking effects.
H.V.O.F. (High-Velocity Oxygen Fuel)
H.V.O.F. (High Velocity Oxy Fuel) is an advanced spray coating method using high-performance powders with protective properties. It is used to improve the surface characteristics of screws, prolonging their service life and reducing wear, corrosion, and thermal damage. H.V.O.F. is a thermal process that combines fuels to create a high-velocity “flame,” through which metallic powders are injected, melted, and accelerated. Once impacted on the substrate, they solidify rapidly, forming lamellar structures that are finished with additional steps, thanks to the high kinetic energy.
THERMAL SPRAY
Thermal spraying techniques are coating processes in which melted (or heated) materials are literally sprayed onto a surface. It is a macro category that includes for example HVOF and the other solution that we use is the application of Molybdenum by Air Plasma Spray (APS) and the choice is based on geometries, dimensions and availability of the systems.
THERMOCHEMICAL TREATMENTS
Thermochemical treatment in our industry refers to an oxidation procedure carried out following nitriding, offering a valid alternative to traditional galvanic processes. The resulting product, magnetite, is an oxide of unmatched compactness and uniformity whose main function is to enrich the mechanical properties of the base material and increase its resistance to chemical phenomena.
The uniqueness of this oxide lies in its ability to adhere perfectly to the material, effectively resisting loads and torsions. This means that the magnetite layer remains firmly anchored, avoiding detachment. The treatment has even superior performance to chrome plating in terms of elasticity, making it an excellent choice for those seeking robustness, flexibility, and durability.
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