FIELD: grinding equipment. SUBSTANCE: apparatus has frame and console with rotary table designed to hold samples of materials. At least one grinding spindle is mounted above rotary table for displacement in vertical plane. Grinding process is controlled by program control system. Two grinding spindles for coarse grinding and fine grinding of samples of materials may be used. Grinding disks of spindles have embedded diamond particles. EFFECT: increased precision of grinding process and provision for preventing milling grains from penetration into material samples. 10 cl, 5 dwg
