Drilling/reaming tool
AssigneeKennametal Inc.
InventorsHERBERT RUDOLF KAUPER, JURGEN SCHWAEGERL
Life of this patent
Estimating the term…
Abstract
A drilling/reaming tool includes a basic body which extends in a longitudinal direction. The basic body includes at least one end-side drilling major cutting edge, a main flute which is assigned to said drilling major cutting edge and is wound at a first helix angle, and a plurality of reaming cutting edges which are arranged circumferentially on the basic body and have in each case one reamer flute which is assigned to the respective reaming cutting edge and is wound at a second helix angle. The reaming cutting edges adjoin the at least one major cutting edge directly in the longitudinal direction. Each reamer flute is merged into the main flute.
Claims13
A drilling/reaming tool comprising:
- a basic body which extends in a longitudinal direction and includes:
- at least one end-side drilling major cutting edge;
- a main flute which is assigned to said drilling major cutting edge and is wound at a first helix angle;
- and
- a plurality of reaming cutting edges which are arranged circumferentially on the basic body and have in each case one reamer flute which is assigned to the respective reaming cutting edge and is wound at a second helix angle,
- wherein the reaming cutting edges adjoin the at least one major cutting edge directly in the longitudinal direction, and
- wherein each reamer flute is merged into the main flute.
Dependencies are inferred from the claim text.