Multifunctional tool for mechanical manufacture

The utility model belongs to numerical control machine manufacture tools and proposes a multifunctional tool for a mechanical manufacture. The tool comprises a knife bar 2 and a blade 1. The tool is characterized in that an auxiliary cutting edge of the blade 1 is composed of two surfaces, wherein one surface is a cutting slot surface 4 of a cutting outer circle slot or an inner circle slot, the cutting slot surface 4 and the other surface of the auxiliary cutting edge are not on the same plane, an installation slot for installing a cutter clamp body is arranged on the knife bar 2, and a cuter clamp body 3 for installing and clamping the cutting slot cutter is assembled in the installation slot. The multifunctional tool for the mechanical manufacture proposed by the utility model can manufacture an outer circle, an end surface, an outer circle slot, an inner circle slot or an inner circle, the end surface, the outer circle slot and the inner circle slot on single working station, can finish manufacture of thr