Nadcap Chemical Processing

Deburring + Deflashing

Blasting + Texturizing

Polishing

Coatings

Surface Cleaning + Preparation

Value Added

POLISHING

Abrasive Flow Machining (AFM)

Abrasive Flow Machining (AFM) uses a polymer-based media filled with abrasive particles to flow over parts, smoothing internal surfaces and edges. This process enhances surface finish, improves fluid flow, and deburrs complex geometries.

Electropolishing

Electropolishing is an electrochemical process that removes a thin layer of material from the surface of metal parts, resulting in a smooth, shiny finish. The metal component is immersed in an electrolyte solution and connected to an electrical current, which selectively dissolves the peaks of the surface, enhancing its appearance and reducing roughness. This process also improves corrosion resistance, cleanliness, and ease of maintenance.

Vapor Polishing

Vapor polishing is a process used to enhance the surface finish of plastic components by exposing them to solvent vapors. The vapors partially dissolve the surface of the plastic, smoothing out imperfections and creating a glossy finish. This method is effective for achieving a clear, high-quality appearance on intricate or complex shapes, making it ideal for applications in various industries, including medical and consumer products.

Vibratory Tumble Deburring + Polishing

Vibratory tumble deburring focuses on both deburring and polishing parts by placing them in a vibrating bowl filled with abrasive media. The continuous motion of the bowl gently smooths edges and surfaces, effectively removing burrs while enhancing the overall finish. This process ensures a uniform polished appearance, making it ideal for delicate components needing a refined surface quality.

Paste Polishing

Paste polishing is a surface finishing process that uses a polishing paste containing abrasives to refine and enhance the surface of materials. The paste is applied to the workpiece and worked in using tools or by hand, allowing the abrasives to gradually remove surface imperfections and achieve a smooth, reflective finish. This method is often employed for metals, plastics, and ceramics, making it suitable for various applications, including jewelry, automotive parts, and precision components in medical devices.

Ball Burnishing

Ball burnishing is a mechanical surface finishing process that uses hardened steel balls to improve the surface finish of parts. The balls are pressed against the surface under pressure, enhancing smoothness, reducing roughness, and increasing wear resistance. This method also helps to induce compressive residual stress, improving the fatigue life of components.

Centrifugal Barrel Finishing (Harperizing)

Centrifugal barrel finishing, also known as harperizing, utilizes a rotating barrel to create centrifugal force, accelerating parts and abrasive media. This process effectively cleans, deburrs, and polishes components, achieving uniform finishes efficiently.

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