Cutting insert and indexable cutting tool
US11045886B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2017 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Jan 12, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2200/365
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutting insert has an insert major body which includes two hexagonal faces facing each other and six side faces arranged around the two hexagonal faces, and is rotationally symmetrical at 120° intervals about an insert center line passing through centers of the two hexagonal faces and inversely symmetrical in front and back with respect to the two hexagonal faces, wherein a major cutting edge and an minor cutting edge are alternately formed in a circumferential direction in the single hexagonal face at twelve intersecting ridgeline portions at which the hexagonal faces and the side faces intersect, the major cutting edge is formed to be located at an intersecting ridgeline portion with one hexagonal face while the minor cutting edge is formed to be located at an intersecting ridgeline portion with the other hexagonal face at a single side face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.