Vane, collar and assembly for synchronising ring stage of a compressor, turbomachine comprising such a compressor and method of assembly by welding between a collar and a vane.

摘要

The vane (6) has a body (61) extended between a head and an apex (62), where the apex comprises a platform (621) surmounted by a projection part (622) without threading. The projection part is located in an extension of the apex, where the part is in a circular shape. An external face of the platform has a relief (621e) and recess that are around the projection part. The platform comprises a contour in a quadrilateral shape. An independent claim is also included for a method for assembling a fixed vane and an exterior shell by welding.