Cutting insert and cutting tool
US12172220B2 · kind B2 · utility
0Cited by
18References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 7, 2020 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Oct 31, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2205/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A structure for cooling a rake face of a cutting insert in a region near a tip of a cutting edge. The cutting insert includes a rake face, a cutting edge formed on an outer periphery of the rake face, a base portion that supports the rake face, and an internal cooling path through which fluid for cooling the rake face flows. The internal cooling path includes an introduction flow path and a cooling flow path, and the cooling flow path is disposed behind a region in which a chip of a workpiece comes into contact with rake face. The cooling flow path is provided at a depth of less than or equal to 1.5 mm from the rake face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.