METHOD FOR MANUFACTURING CUTTING TOOL Russian patent published in 1994 - IPC

FIELD: tool manufacture. SUBSTANCE: method involves making slots in a body blank from a constructional steel, positioning cutting inserts from a tool material in it, twisting of the built-up blank, mechanical and thermal treatment. A central insert is made through, this allows a bimetal tool to be manufactured with a working end allowing large number of resharpening during its operation and feed of cutting fluid through the central part of the body. EFFECT: improved quality. 2 dwg