Combination drill, mill, and boring tool
AssigneeKyocera Sgs Precision Tools, Inc.
InventorsIan Edward HOLLIDAY, Emil DOBOSZ, Barry Leslie WARD, Antony James THEAKER
Life of this patent
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Abstract
Disclosed is a combination tool having a plurality of cutting elements. According to one embodiment, the combination tool comprises a drilling portion, a milling portion, and a boring portion. In this embodiment, the combination tool may perform a drilling operation, a milling operation, and a boring operation in quick succession with a single cutting tool. In another embodiment, the combination tool includes an additional cutting element such as a chamfering portion, which may perform a countersinking operation.
Claims24
A cutting tool, comprising:
- a drilling portion defining a drill diameter;
- a milling portion defining a mill diameter;
- and
- a boring portion defining a bore diameter;
- wherein the mill diameter is smaller than the drill diameter.
A combination tool, comprising:
- a shank portion extending along an axis;
- and
- a cutting portion having an axial tip and extending along the axis from the shank portion to the axial tip, wherein the cutting portion includes:
- a bore segment arranged along the cutting portion at a location proximate to the shank portion,
- a drill segment arranged along the cutting portion at a location proximate to the axial tip,
- an end mill segment arranged along the cutting portion at a location between the bore segment and the drill segment, and
- a chamfer segment arranged along the cutting portion at a location between the bore segment and the shank portion.
(canceled)
(canceled)
A method of machining a workpiece using a cutting tool having a drill portion, a mill portion, and a bore portion, the method comprising:
- drilling a hole in the workpiece with the drill portion;
- milling the hole in the workpiece with the mill portion in an interpolated milling operation, wherein the mill portion includes a diameter that is smaller than a diameter of the drill portion;
- and
- boring the hole in the work piece with the bore portion.
Dependencies are inferred from the claim text.