Countersinking tool, tool arrangement and method
US10632546B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2018 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Mar 1, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/9065
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A countersinking tool, comprising a tool shank and a tool head with multiple deburring or countersinking edges and an insertion pin. In some embodiments, the insertion pin features at least one reaming edge, on a radially outer side and extends over less than 33% of the overall length of the insertion pin, wherein the reaming edge can be inserted into an unfinished bore with a diameter, smaller than a nominal diameter of the bore, in a cutting fashion, wherein the reaming edge acts as a drill bit and is arranged on the insertion pin at a radius that corresponds to the radius of a nominal diameter of the bore, and wherein the insertion pin has the nominal diameter of the bore and can be guided in the bore without play.Also, a tool arrangement with a countersinking tool and to a method for producing a countersunk and/or deburred bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.