Cutting tool
AssigneeNuovo Pignone S.p.A.
InventorEmanuele Cigni
Life of this patent
Estimating the term…
Abstract
A tool is provided. The tool comprises an interchangeable cutting portion and a holder to which the interchangeable cutting portion is adapted to be replaceably mounted. The interchangeable cutting portion comprises a first part with at least one cutting edge and a second part for connection to the holder, the second part being provided with a conical external abutment surface and an external cylindrical screw thread. The holder is provided with an internal cylindrical screw thread, to which the external screw thread is removably screwed, and a conical internal abutment surface, the conical external abutment surface and the conical internal abutment surface being mutually engageable for positioning the cutting portion and the holder relative to one another.
Claims16
A tool comprising:
- an interchangeable cutting portion;
- and
- a holder to which the interchangeable cutting portion is adapted to be replaceably mounted,
- wherein the interchangeable cutting portion comprises a first part with at least one cutting edge and a second part for connection to the holder, the second part being provided with a conical external abutment surface and an external cylindrical screw thread;
- and
- wherein the holder is provided with an internal cylindrical screw thread, to which the external screw thread is removably screwed, and a conical internal abutment surface, the conical external abutment surface and the conical internal abutment surface being mutually engageable for positioning the cutting portion and the holder relative to one another;
- wherein the holder comprises at least one longitudinal passage for a coolant or lubricant liquid and at least one hole extending from the at least one longitudinal passage to a side surface of the holder.
Dependencies are inferred from the claim text.