CUTTER Russian patent published in 2015 - IPC B23C5/08 

FIELD: process engineering.

SUBSTANCE: set of inventions relates to machine building and can be used for cutting of grooves by disc cutters with replaceable hubs. This cutter comprises disc body with radially directed grooves and central bore. Said replaceable hub has two adapter elements arranged at both hub sides and having inner sidewall. One of said adapter elements has at least two ledges made at inner sidewall of adapter element. One of said adapter elements has elevated section at adapter element inner sidewall. Adapter elements can be secured to cutter body by fitting said ledges in grooves and elevated section in said central bore. Invention discloses the versions of cutter fabrication.

EFFECT: increased cutting depth, higher reliability and duration.

7 cl, 16 dwg