ABSTRACT
Different machining processes produce different products with varying qualities. When evaluating the quality of a finished piece, surface roughness is the most important result of the machining process to consider, because many product attributes can be determined by how well the surface finish is produced. The quality of the surface finish, or surface roughness, affects several functional attributes of parts, such as surface friction, wear, reflectivity, heat transmission, porosity, coating adherence, and fatigue resistance. The desired surface roughness value is usually specified for individual parts, and a particular process is selected in order to achieve the specified roughness.
