CUTTING DEVICE Russian patent published in 2012 - IPC B27B5/00 B23D47/00 B24B27/06 B25F5/02 

FIELD: process engineering.

SUBSTANCE: invention relates to machine building and may be used in machining by disc tool. Proposed device comprises table to accommodate part to be machined, guide ruler to locate said part atop the table, and machining tool arranged to displace vertically on said table. Cutter assembly said drive, rotary tool and cover to close tool top part. Cover has bottom end section including first and second parts arranged on opposite sides relative to tool rotational axis. When cutter assembly is located, in fact, at extreme bottom position, said first part is located at first level and vertically opposite aforesaid ruler while second part is located at second level and out of opposition relative to ruler. First level is located above second level. Invention covers several design versions.

EFFECT: fast and accurate cutting.

22 cl, 11 dwg