Patent ID: 9221141
Filing Date: 2015-12-29
Classification: B23B,B23C,B23Q

Abstract:
1. A tuned mass tool holder comprising: a mass, a center of gravity, and a moment of inertia: a holder body having an elongate length, an axis of rotation, a proximal end, and a distal end opposite the proximal end, wherein the mass has a mass distribution along the axis of rotation; a spindle surface on the holder body adjacent the proximal end, of the holder body, wherein the spindle surface is configured for connection to a cutting machine spindle; a weight member surface on the holder body adjacent the distal end of the holder body; weight members removably attachable to the holder body at locations bounded by the weight member surface, wherein the weight members include through holes; fasteners capable of being received in the through holes of the weight members, wherein the fasteners are operable to secure any one of the weight members to the holder body at any one of the locations; at least two of the weight members are annular and have substantially equal exterior diameter dimensions; and at least two of the weight members have different exterior diameters.