FIELD: metallurgy.
SUBSTANCE: before overlaying welding punch is positioned inside the matrix, and overlaying welding processes of body of matrix and punch in inert gas medium, mechanical treatment of overlaid surfaces, tempering of matrix and punch is implemented jointly. At finishing of tempering it is implemented separating cutting.
EFFECT: it is increased manufacturability, productivity, it is reduced cost of price and process labour coefficient of punch manufacturing.
5 dwg, 1 ex
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