Popis: |
The study investigates the surface height roughness parameter Ra (roughness arithmetic average) as a technological effect on the quality of the of the steel C 55 (DIN) surface in hard turning; the variation of the input process parameters cutting speed (v), feed rate (f), depth of cut (a) and nose radius of the cutting insert (r) were considered by multiple measurements for each input variable, then processed statistically, in order to determine the effects on output surface profile roughness parameter Ra. |