Gehring Technologies Gmbh

Michael Rach

Erwin Baumgartner

Gerhard Flores

Frank Hummel

A honing tool for working several separate bores that are arranged coaxially in series and have different diameters. The honing tool includes several cutting bar groups arranged coaxially in series, wherein a diameter of a cutting bar group of the several cutting bar groups, which diameter is formed by radially extendable cutting bars, differs from a corresponding diameter of at least one other cutting bar group of the several cutting bar groups. A centering bar group is arranged in an axial direction to a free end of the honing tool adjacent at least one cutting bar group; or a guide bar group is arranged directly adjacent opposite the free end of the honing tool adjacent the at least one cutting bar group, or both the centering bar group and the guide bar group are arranged accordingly.

Honing tool and method for working several coaxial bores

The invention relates to a device () for the combined precision turning and honing of a cylindrical borehole (). The device () according to the invention can comprise either only honing stones () which can be fed or also cutters () that can be fed during machining.

Device and method for machining a cylinder bore by means of a geometrically defined cutter and a geometrically undefined cutter

The invention proposes a device which prepared a cylinder bore of a combustion engine in one working stroke such that the cylinder bore can subsequently be thermally coated.

Growing community of inventors

Ostfildern, Germany

Michael Rach