Cutting apparatus

Apparatus for cutting work having centering means comprising, in combination, a frame, driving means on said frame, means for supporting said work in a selected position on said frame, a cutting assembly including a housing having an interior, means for mounting said housing on said frame for rotation by said driving means, a cutting head having a central bore, means for supporting said cutting head on said housing for universal radial movement and for rotation with said housing and cutting tool means supported on said cutting head, an elongated rod member extending through said housing and said cutting head central bore in coaxial relationship with said cutting head, said rod member being arranged to rotatably support said cutting head in said coaxial relationship throughout said universal radial movement, centering means on the end of said rod member adjacent said cutting tool means for centering engagement with said centering means on said work, means on said frame for retaining said rod member against rotation and means on said frame for moving said cutting assembly into operative position with said centering means on said rod member and said work in said centering engagement and with said cutting tool means in cutting engagement with said work.