FIELD: blade processing of materials.
SUBSTANCE: method for hardening of surface layer of cutting edge of drill or end cutter, used for metal products surface treatment, includes hardening of surface layer of cutting edge of drill or end cutter by action of pulsed laser radiation. Density of energy of radiation in pulse is established from condition of transformation of initial microstructure into modified fine-dispersed structure without melting of surface layer of drill or end cutter at constant overlap coefficient Co = 0.7.
EFFECT: technical result is improved wear resistance of tool and quality of treated surface.
1 cl, 5 dwg
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