Tool carrier with notch, cutting insert and method for making same
US10245645B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2017 |
| Grant date | Apr 2, 2019 |
| Priority date | — |
| Expiry date | Oct 2, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2240/08
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutting insert includes a tool carrier having a body with a pocket, and a cutting tip affixed to the pocket by brazing. The pocket is defined by a vertical back wall and a horizontal support surface. A notch is formed at the intersection between the vertical back wall and the horizontal support surface. The notch has a non-planar first portion proximate the vertical back wall and formed with a radius, R1, and a planar second portion extending between the first portion and the horizontal support surface and formed at an inclination angle with respect to a plane parallel to the horizontal support surface of the pocket. The design of the notch significantly reduces thermal stress and eliminates the formation of cracks in the pocket of the tool carrier when using an injection molding process to form the tool carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.