FIELD: grinding of slots and protrusions. SUBSTANCE: method involves arranging blades in parallel rows with blade bottoms being positioned in abutment one with respect to the other in line feed direction so that blades in each row are faced upward with their depression (back) portion or downward with their back (depression) portion; providing simultaneous grinding by grinding wheels and auxiliary grinding tool formed as endless grinding belt having variable cross-section profile with wedge-shaped and herringbone-shaped portions. EFFECT: increased precision of grinding shaped parts. 4 dwg
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