Single-sided four-way indexable positive cutting insert and insert mill therefor
US10906107B2 · kind B2 · utility
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22References
22Claims
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Assignee
Inventor
Key dates
| Filing date | Apr 22, 2020 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Apr 22, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2210/203
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A single-sided four-way indexable cutting insert includes a positive basic shape, a rake surface, a peripheral surface including four side abutment surfaces, a base bearing surface and a screw hole connecting the rake and base bearing surfaces. The insert has an imaginary square frustum which defines a square base containing the cutting insert's base bearing surface, and further defines four isosceles trapezoid side surfaces respectively containing the cutting insert's four side abutment surfaces. A material volume VF of the cutting insert and a void volume VS of the insert fulfill the condition VS/VF≥0.25.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.