Patent ID: 7390151
Filing Date: 2008-06-24
Classification: B23C,Y10T

Abstract:
1. A rotary cutter head comprising: a cutter head body configured to rotate in a predetermined direction about an axis of rotation; at least on clamp arranged to provide support along a helical path, a helical slot formed by the combination of the cutter head body and the at least one clamp along the helical path, the slot having a front wall formed by the cutter head body and a rear wall formed by the at least one clamp, wherein the front wall is forward of the rear wall relative to the predetermined direction; a helical cutting blade insert clamped into the slot by the at least one clamp; a helical flute formed in the cutter head body in front of the helical cutting blade insert, the helical flute adapted to facilitate chip removal, the helical flute terminating in the front wall of the slot; and wherein a radial outer extent of the rear wall of the slot formed by at least one clamp is spaced radially farther away from the axis than a radial outer extent of the front wall relative to the axis.