Drilling tool and method for producing a borehole

US11911834B2 · kind B2 · utility

Assignee

• EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FUR PRAZISIONSWERKZEUGE · DE

Inventors

• Christian Beer · Dornbirn, AT
• Bernhard Borschert · Bamberg, DE
• Thomas Funk · Collinsville, US
• Dietmar Hechtle · Pegnitz, DE
• Manuel LEONHARD · Lautenbächle, DE
• Martin Steinbach · Waiblingen, DE

Key dates

• Filing date: Apr 22, 2021
• Grant date: Feb 27, 2024
• Expiry date: Apr 22, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B23B2251/48
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A drilling tool for producing a bore with a cylindrical inner wall can be rotatable in a rotary movement with a predetermined rotational direction (VD) about a tool axis (A) extending through the drilling tool, and at the same time is movable in an axial forward movement (VB) in a forward direction axially to the tool axis. The drilling tool comprises at least one drilling area (3) arranged in a forwardly located region of the drilling tool at a forward or free end, but preferably not having a thread forming region. The drilling area has a number n of drilling edges which are arranged offset to each other in the rotational direction, and at least one chip divider is arranged on at least one or each of the n drill cutting edges, where the chip divider forms an interruption of the respective drill cutting edge.