Mtu Aero Engines Ag

Nicole Feiling

Albin Platz

Anna Carina Kuepper

Hermann Klingels

Roland Huttner

Martin Bussmann

Max Niegl

Rudolf Hill

Christian Doll

Markus Zeis

Dieter Mauer

Steffen Gerloff

Norbert Huber

Martin Koenitzer

Norbert Rast

Johann Auerweck

The present invention relates to a method for manufacturing a plate of a turbomachine having a plurality of receiving grooves, which are formed on the cylindrical peripheral surface of the plate in order to receive blade roots of blades of the turbomachine. The receiving grooves extend in a straight line from one face of the plate to the other face of the plate, such that a straight line delimits the receiving groove from each point on the cross section of the receiving groove on one of the faces to the corresponding point on the cross section on the other face. A circular plate is provided and a plurality of receiving grooves are introduced into the plate simultaneously on opposing regions relative to a central axis of rotation of the plate.

Method for producing a plate of a turbomachine

A method for investigating an electrolyte solution for processing a component, particularly a component or a component material of an aircraft engine, by near infrared spectroscopy.

Method for investigating an electrolyte solution for processing a component material of an aircraft engine

The invention relates to a method machining a particularly planar component by means of electrochemical machining, wherein the component has internal stresses resulting particularly from preceding manufacturing steps. In a first step a) of the method, the component to be machined is provided. Subsequently, in step b), at least two tools are provided in the form of electrodes and, in step c), an electrolyte is provided between the component and the at least two electrodes. In step d), a positive voltage is applied to the component and a negative voltage is applied to the at least two electrodes. Thus, in step e), by moving the at least two electrodes along their respective movement paths with respect to the component, electrochemical machining can take place; in the process, the gap between each electrode and the component is flushed with the electrolyte at least intermittently.

Method and apparatus for machining components by means of electrochemical machining

The present invention relates to a method for the production of drill holes in difficult to machine materials, in which a removal of material takes place in order to produce a drill hole by electrochemical erosion of material by an electrode that is moved in the longitudinal direction of the drill hole being produced in the direction onto the material to be processed at a feed rate, wherein the drilling has at least two steps, wherein, in the first step, the electrochemical processing takes place, and wherein, in a second step, the further processing of the drill hole to the final diameter takes place by machining processing or by erosion or by an electrochemical processing.

Method for the production of drill holes in difficult to machine materials

The invention relates to a method for removing Cr(VI) ions from an aqueous electrolyte solution, particularly an electrolyte solution for electrochemical metal machining, which comprises the reduction of Cr(VI) to Cr(III) with Fe(II) ions. The Fe(II) ions are added to the electrolyte solution in the form of an aqueous salt solution which has been brought into contact with an ion exchange resin loaded with Fe(II) ions. The invention further relates to a device () for electrochemical machining of a workpiece () by means of an aqueous electrolyte solution (), which has an ion exchanger () which has been loaded with an ion exchange resin charged with Fe(II) ions.

Method of removing Cr(VI) ions from an aqueous electrolyte solution

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Munich, Germany

Nicole Feiling