B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 15/12 (2006.01) B23K 26/18 (2006.01) B23K 26/38 (2006.01) B23P 6/00 (2006.01) F01D 5/00 (2006.01)
Patent
CA 2644094
The invention relates to the problem that during diverse machining steps of application to the production or reconditioning of internally cooled gas turbine blades (1), an undesired effect may be had on sections of the gas turbine blade and proposes, as an improvement, to inject the cavity (14) of the gas turbine blades (1) before the machining steps with a plastic material (22) which can be removed without trace, such as polystyrol, which can be subsequently removed again, in particular by heat.
L'invention traite du problème posé par les effets indésirables se produisant sur certaines sections de pales lors de diverses étapes d'usinage dans le cadre de la production ou de la réparation de pales de turbine à gaz (1) refroidies de l'intérieur. Pour résoudre ce problème, l'invention prévoit d'injecter dans la cavité (14) des pales de turbine à gaz (1), avant les étapes d'usinage correspondantes, une matière plastique (22) qui puisse être retirée sans laisser de résidus, par exemple du polystyrène, qui peut ensuite être retiré, notamment par voie thermique.
Marks & Clerk
Mtu Aero Engines Gmbh
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