Patent ID: 8845245
Filing Date: 2014-09-30
Classification: B23Q,Y10T

Abstract:
1. A dampened spindle cartridge for a machine tool, comprising: an outer body having a flange configured to be attached to a spindle head of the machine tool; an inner body configured to house a rotating spindle assembly, wherein the inner body is coaxially arranged within the outer body; damping media arranged in a cavity formed between the outer body and the inner body, wherein the damping media comprises an aggregate; a retaining ring positioned in an opening of the cavity; and a cap attached to a proximal end of the outer body and a proximal end of the inner body to limit radial movement of the proximal end of the inner body relative to the proximal end of the outer body and axial movement of the inner body relative to the outer body, wherein the cap covers the opening of the cavity and presses the retaining ring against the damping media to limit movement of the damping media within the cavity.