Single-sided three-way indexable milling insert having high void volume to material volume ratio and insert mill therefor
US11007585B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2018 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Jan 2, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2210/168
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A single-sided three-way indexable milling insert for 90° shoulder milling operations, includes a positive basic shape, a rake surface, a peripheral surface including side abutment surfaces, a base bearing surface and a screw hole connecting the rake and base bearing surfaces. The insert has three main cutting edges which lie along an imaginary equilateral triangle. A material volume VF of the cutting insert and a void volume VS of the insert's screw hole fulfill the condition VS/VF≥0.30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.