FIELD: mechanical engineering.
SUBSTANCE: reinforcement comprises applying wear-resistant coating and exposing tool surface to pulse high-energy action before and after coating operation. High-energy action combines gas-dynamic treatment of tool surface by plasma jet containing alloying elements, passing electric current through surface layer and coating layer, and abstracting current from work surface.
EFFECT: considerably increased efficiency of coating on roll-on tool profiles.
6 cl, 3 tbl, 8 ex
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