Post-CNC surface treatments extend part life and raise performance by controlling roughness, residuals, and chemistry. Mechanical, chemical, and coating methods yield 20-400 % gains in fatigue, wear, and corrosion tests. Selection guides and lab verification steps help engineers apply the data.
CNC machining, or Computer Numerical Control machining, is a manufacturing process that utilizes computer-controlled tools to create precise parts and components. One of the critical aspects of CNC machining is the surface finish of the machined parts. The surface finish refers to the texture and qu