A machining process that improves the flatness or polish of a flat surface. A special machine is used in which a light abrasive slurry is applied between the workpiece and a lapping plate. The machine runs until the desired flatness or polish level is achieved. Lapping is typically done on metals and phenolics.

By achieving tight tolerances and a superior surface finish, lapping enhances the functionality, aesthetics, and durability of plastic parts. Additionally, it allows for better mating and sealing surfaces, reduces friction, and enhances the overall performance and lifespan of the molded products. With Davies Molding's expert lapping services, manufacturers can optimize their plastic molding processes, resulting in high-quality components that meet the most demanding requirements.

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