Title:
ブレードプラットフォーム内にキャビティを製造するための方法および対応するブレード
Document Type and Number:
Japanese Patent JP6861831
Kind Code:
B2
Abstract:
A method for producing a cavity in a blade platform of a blade, in particular of a turbine blade, as part of a blade-platform cooling system, wherein the method has the steps of: producing a first bore from a first platform lateral face in the direction of an opposite second platform lateral face, with a first opening in the first platform lateral face being created, and expanding the first bore in a fan-like manner by an electrical discharge machining method, in particular using a wire- or bar-form electrode, such that the first opening, created in the first step, of the first bore represents the starting point of the fan-like expansion. A blade is produced in particular with such a method.
Inventors:
Fatty Ahmad
Daniella Koch
Marx Lempke
Torsten Matthew
Axel Podschvadek
Radan Radurovic
Anne Weidenmuller
Daniella Koch
Marx Lempke
Torsten Matthew
Axel Podschvadek
Radan Radurovic
Anne Weidenmuller
Application Number:
JP2019539751A
Publication Date:
April 21, 2021
Filing Date:
January 10, 2018
Export Citation:
Assignee:
Siemens Actien Gezelshaft
International Classes:
F02C7/00; F01D5/18; F02C7/18
Domestic Patent References:
| JP2000186503A | ||||
| JP52064096A |
Attorney, Agent or Firm:
Yasuhiko Murayama
Shinya Mitsuhiro
Shinya Mitsuhiro