Drill, and method for producing a drill
OwnerChristian Strauchmann, Herbert Rudolf Kauper +2inventors
InventorsChristian Strauchmann, Herbert Rudolf Kauper, Jürgen Schwägerl, Peter Sollfrank
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Abstract
The drill extends along an axis of rotation and comprises at least three main cutting surfaces which, starting from a cutting corner arranged on a radius (r), each extend in the direction of the axis of rotation. The at least three main cutting surfaces converge on a pointed drill tip, in particular without the presence of transverse cutting surfaces. Starting from the drill tip and over the entire radial extent thereof, each main cutting surface adjoins an edge-free surface, which comprises a clearance surface and in each case transitions into a respective flute.
Claims13
A drill, which extends along an axis of rotation and comprises at least three main cutting surfaces which, starting from a cutting corner arranged on a radius (r), each extend in the direction of the axis of rotation, wherein, starting from a drill tip and over the entire radial extent thereof, the at least three main cutting surfaces converge on the drill tip, and each cutting surface adjoins a respective edge-free surface, which comprises a clearance surface and in each case transitions into a respective flute.
Dependencies are inferred from the claim text.