ASSEMBLY THREADING DIE Russian patent published in 2017 - IPC B23G5/04 B23G7/02 

FIELD: construction.

SUBSTANCE: die contains the housing with grooves, the replaceable hard-alloy working inserts, the chip openings and the fixing screws for fixing the inserts. The housing grooves are made in the form of base sockets, and said replaceable hard-alloy inserts are made with conical recesses, are installed in the base sockets with the possibility of pressing against their thrust and support surfaces, and are fixed by means of said fixing screws. The inserts can be made in the form of a set for the possibility of cutting cylindrical or tapered threads or their formation by plastic deformation.

EFFECT: increasing the tool productivity and durability, expanding its technological capabilities.

4 cl, 4 dwg