SECTIONAL HOBBING CUTTER Russian patent published in 1998 - IPC

FIELD: machine tool technology. SUBSTANCE: this is used for cutting toothed articles. Hobbing cutter has body which is resiliently deformable in radial direction with seating spot, wedge-shaped toothed rack with tapered shoulders and recesses in bases for fixing in seating spot of body, end caps with their fastening members seated by their taper on shoulders of racks for possible displacement relative to each other. Increased service life of hobbing cutter, possibility of its tight seating on machine mandrel at caps moving towards each other along holder shoulders, and replacement of any strip without disassembly of hobbing cutter are achieved due to racks made sectional and having holder with front open through radial slot and seating in this slot of flat-parallel cutting strip turned towards axis of hobbing cutter with its surface protruding relative to similar surface of holder. This forms base of rack. Holder and strip are interconnected with possibility of separate radial displacement, and connecting members of holders and strips are located in threaded holes for fastening of end caps. EFFECT: high efficiency. 5 dwg