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US 2018/0029150 A1Published application
Reamer
AssigneeKennametal Inc.
InventorsArmin Josef Zimmerman, Robert Meyer, Michael Schuffenhauer
Life of this patent
Estimating the term…
Abstract
A reamer has a shank made of steel and a cutting body made of a harder material, wherein the cutting body forms the outer circumference of the reamer in the region of the workpiece side end and has all the cutting ribs.
Claims23
1-11. (canceled)
A reamer with a workpiece-side axial end and a drive-side axial end, the reamer comprising:
- a shank for mounting in a drive shaft;
- and
- a cutting body produced as a separate part from the shank and made of a different material than the shank;
- wherein the cutting body:
- is fastened to the shank;
- forms the workpiece-side end of the reamer over an entire outer circumference of the workpiece-side end;
- comprises cutting ribs which are spaced-apart circumferentially;
- and
- comprises chip grooves disposed between the cutting ribs;
- the shank comprising chip groove run outs recessed into an outer circumference of the shank;
- the chip grooves on the cutting body merging directly into the chip groove run outs on the outer circumference of the shank.
8 more elements
Dependencies are inferred from the claim text.