Protection mask for surface treatment of turbomachine blades
AssigneeSnecma Moteurs
InventorsLhocine Oussaada, Thierry Labrousse, Thierry Belkheir, Claude Colas, Habib Mehdaoui, Christian Polis
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Abstract
A protection mask used during surface treatment for a turbomachine blade, including for example a sand blasting step and/or a metal coating step, includes at least one part matching the shape of a portion of the blade. The mask is designed to resist surface treatment effects and to be placed on the surface to be protected, and can form a removable and reusable tool according to the invention.
Claims24
A protection mask for surface treatment of surfaces of a turbomachine blade comprising a root wherein said surfaces are located on the root of the blade, said protection mask comprising:
- at least one part matching a shape of the root, and
- openings having a same shape as a shape of said surfaces and wherein said surfaces to be treated can be seen through said openings when said at least one part is mounted on said root.
A protection mask for surface treatment of a surface of a tubromachine blade comprising a fin, wherein said surface is located at an end of the fin, said protection mask comprising:
- two half shells matching a shape of the fin and assembled with each other by clamps.
Dependencies are inferred from the claim text.