%0 Journal Article %T Disk height ratio impact in combined tool upon roughness of ground surface %A Gusev, V.G. %A Sobol'kova, E.V. %K combined grinding, disk height, fine-grain and coarse grinding disk, multi-factor model, surface roughness %J Science intensive technologies in mechanical engineering %D 2021 %N 2021 %P 4 %I Bryansk State Technical University