Dictionary
Surface roughnessSurface roughness measures the unevenness and texture of a surface at the smallest level. It is mainly measured by the height differences on the surface and is given in micrometers (µm). The mechanical properties strongly depend on the surface roughness as it influences friction, wear and functionality. Therefore, choosing the right surface roughness is also important for manufacturing processes such as CNC machining. The roughness is often improved by various finishing processes such as grinding and polishing.
