Edges on each blank are inspected from all sides, areas with burr remains, dents and other defects are determined by hand in a special glove, these areas are marked with chalk and then ground by means of electrical grinding machine.

All sharp edges are faced with radius 0, 1 - 0, 3 mm by means of file or honing stick. Chamfer is controlled by means of special templates.

Correction of defects is obligatory carried out - blanks with overcuts, tear-outs and other defects are delivered for re-welding and smooth grinding of defective areas, or flush with the base metal by mechanised method.