%0 Journal Article %T PRODUCT QUALITY AT DESIGN STAGE %A Tikhomirov, V.P. %A Izmerov, M.A. %A Shalygin, M.G. %K tribo-system, designing, product quality, tribology, friction unit, wear %J Bulletin of Bryansk state technical university %D 2020 %N 2020 %P 7 %I Bryansk State Technical University