Patent · US Active

Multi-flute reamer and cutting insert therefor

US9168601B2 · kind B2 · utility

2Cited by

17References

10Claims

0Family size

Assignee

KENNAMETAL INC. · US

Inventors

Li Ning · Pleasant Unity, US
Michael Schuffenhauer · Fürth, DE
Bernhard Eckl · Burghausen, DE
Xaver Spichtinger · Oberviechtach, DE
Armin Zimmermann · Konstanz, DE
Thilo Mueller · Erlangen, DE

Key dates

Filing date	Nov 17, 2010
Grant date	Oct 27, 2015
Priority date	—
Expiry date	Jun 19, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/9095
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A multi-flute reamer includes a cutting portion having a forward end and a rearward end, and a chip flute with a chip gash opening, and a cutting insert mounted on the cutting portion. A leading edge is formed at an intersection between a top surface and a radially-outward side surface, and a front edge is formed at an intersection between the top surface and a forward side surface. The cutting insert includes a rounded lead cutting edge formed at the intersection between the leading edge and the front edge, and the top surface includes a chip breaker having a bottom surface formed with a radius, R.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.