FIELD: metallurgy.
SUBSTANCE: holder and insertion in complex form cutter, containing casing of holder, allowing opening passing backwards and directed forward surface, passing around this opening, casing of cutting holder allowing front end with cutting edge, shank end of insertion, passing backward from the front end and end. Additionally directed forward surface of holder contacts to directed backward surface of insertion with providing of interference fit when directed forward surface of holder rests into directed backward surface of insertion. Casing of insertion allows at least one lengthwise passing grove, and in opening of casing of holder it is implemented at least one lengthwise passing lug provided for gearing to groove.
EFFECT: reliability growth of gearing of cutting insertion and simplification of manufacturing.
27 cl, 7 dwg
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