FIELD: metal working.
SUBSTANCE: method comprises introducing indenter whose rigidity is much higher than that of the tool into the surface layer of the wedge-shaped tool. The indenter is set in a contact with the wedge edge in the direction perpendicular to the edge along one of the surfaces of the wedge. The rigidity is determined by dividing the force by the area of the mark.
EFFECT: enhanced reliability.
4 dwg
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