Abstract: The invention relates to a method and to a device for producing a nozzle body, in which a nozzle-body blank is processed by means of an electro-chemical processing procedure. A method for producing a nozzle body, may include: preparing a nozzle-body blank which has a central axis and a first and a second axial end; proceeding from the first axial end, incorporating a blank cavity into the nozzle-body blank, producing a blank wall between the blank cavity and an external region of the nozzle-body blank; adapting, by means of an electro-chemical processing procedure which comprises electro-chemical subtraction, at least part of a contour of the blank wall, thereby producing a wall of a cavity of the nozzle body.

Abstract: A method and related device for machining a workpiece is provided, wherein material of the workpiece is removed in a machining region by a non-contact removal process. The workpiece is excited by means of an excitation oscillation having a natural resonant frequency of the workpiece, or a composite comprising the workpiece and a coupling element that is rigidly coupled to the workpiece is excited by means of an excitation oscillation having a joint natural resonant frequency of the workpiece and the coupling element. The natural resonant frequency is selected such that in the machining region an oscillation occurs that has a maximum oscillation amplitude in relation to the excitation amplitude of the excitation oscillation.

Abstract: A method and related device for machining a workpiece is provided, wherein material of the workpiece is removed in a machining region by a non-contact removal process. The workpiece is excited by means of an excitation oscillation having a natural resonant frequency of the workpiece, or a composite comprising the workpiece and a coupling element that is rigidly coupled to the workpiece is excited by means of an excitation oscillation having a joint natural resonant frequency of the workpiece and the coupling element. The natural resonant frequency is selected such that in the machining region an oscillation occurs that has a maximum oscillation amplitude in relation to the excitation amplitude of the excitation oscillation.