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In the manufacture of the panels and sheaths of outer-forming parts, after milling operations or shot peen forming, grinding the surface with flap wheels is widely used. Surface grinding is often performed with flap wheels, which may have a cylindrical or profiled surface. Since profiled flap wheels are designed to handle surfaces with a specific curvature, cylindrical flap wheels are more universal and more often used. The main task of technological operation of grinding the complex surfaces is to ensure a same removal over the entire part surface. In this paper, an analytical study of the interaction features of the flaps of the cylindrical flap wheel along the width of the flap wheel when grinding the surfaces of double curvature is carried out. The analysis of possibilities for leveling the degree of influence of the flaps of the cylindrical flap wheel on the treated surface by re-overlapping the processing surface to ensure uniformity of grinding is carried out. A variant of grinding the surfaces of outer-forming parts with a cylindrical flap wheel with overlapping passages, which provides uniform treatment of the surface of double curvature, is proposed.

Features of grinding surfaces of double curvature with cylindrical flap wheels