Call (401) 667-7902

Plastic (Machined-Molded)  Process Technology Examples

Enhance the quality and performance of machined and molded plastic components with advanced surface finishing solutions. Our automated processes—polishing, deburring, surface preparation, and coating enhancement—ensure smooth finishes, improved durability, and precise functionality for medical devices, consumer products, and industrial components.

From polishing injection-molded handles to refining PEEK spinal implants and anodizing miniature plastic components, our finishing technologies deliver consistent, high-quality results for CNC-machined, molded, and 3D-printed plastic parts used across medical, consumer, and industrial applications.

Plastic components present unique finishing challenges compared to metals. Their lower melting points, variable hardness, and susceptibility to heat or chemical degradation make traditional abrasive methods unsuitable. Without proper finishing, molded and machined plastics can exhibit tool marks, flash, or surface stress that compromise appearance, sealing, or part function.

Bel Air’s finishing systems are engineered to deliver precision-controlled polishing, deburring, and surface preparation for a wide range of plastics, including Delrin, PEEK, ABS, acrylic, and nylon. Using non-abrasive media, temperature control, and specialized compounds, these processes remove machining marks and mold flash without distorting part geometry or causing discoloration.

The result is a consistently smooth, uniform finish that improves fit, function, and durability for everything from medical implants and connectors to consumer products and precision housings.

Bel Air Finishing provides automated finishing solutions for both machined and injection-molded plastics used across industries such as medical, consumer goods, and industrial manufacturing.

Examples of processed parts include:

  • Injection-molded handles and housings — polished for smooth texture and improved grip comfort.
  • PEEK seals, gears, and implant components — deburred and refined using centrifugal barrel or wet blasting for high dimensional accuracy.
  • Acrylic and polycarbonate retainers or lenses — polished to optical clarity without introducing surface haze.
  • 3D-printed ABS and nylon parts — smoothed and prepped for coating, anodizing, or assembly.

Each process is customized for the plastic’s composition and purpose — ensuring thermal stability, surface consistency, and repeatable results across high- or low-volume production runs.

In jewelry manufacturing, surface perfection defines perceived quality. Even the smallest scratches, casting defects, or polishing inconsistencies can affect both appearance and function — from reflective brilliance to the smooth feel of a clasp or hinge.

Bel Air’s automated finishing systems replace manual polishing with controlled, repeatable processes that deliver consistent, high-luster results. Each system is engineered to remove oxidation, casting residue, and fine tool markswhile preserving delicate geometries and precious material integrity.

Whether preparing for plating, improving surface reflectivity, or achieving a final mirror finish, Bel Air’s finishing solutions reduce labor-intensive handwork and help jewelers maintain uniform brilliance across every batch — from silver and gold to platinum, titanium, and stainless steel.