Carville have manufacturing procedures that ensure good material handling and a high level of machined finish. We aim to achieve the best possible machine finish to minimize the requirement for post machine plastic polishing.

Carville attend exhibitions throughout Europe and the USA. We receive comments that our finished components look more like works of art rather than CNC machined engineering components. Customers are surprised by the quality of finish that can be achieved on a fully heat treated and diamond machined plastic component part.

When polishing is necessary, there are a number of ways to polish plastic materials to achieve the end customer’s required surface finish. These techniques will vary depending upon the final application.

Plastic polishing techniques for lenses are different from those applied to produce a luxurious finish to a high end writing instrument. Carville has developed a number of plastic polishing techniques to achieve the required internal and external finishes for each application. These may include:

• Diamond Machining
• Lapping
• Burnishing
• Super Finishing
• Vapor polishing

Customers often ask about flame polishing. This is not a technique used by Carville. Polishing a precision machined plastic component using a flame will result in uneven heat distribution and material stress. Introducing stress to the material may result in future component failure. Flame polishing is not used or recommended by Carville.