DISPOSITIF DE MAINTIEN DE PIECES DANS UN PROCEDE DE REPARATION D'UNE AUBE D'UN DISQUE AUBAGE MONOBLOC D'UNE TURBOMACHINE

The device for clamping workpieces for a method of repairing a blade of a monobloc bladed disc of turbo machine by welding electron beam of a yoke (11) on the blade along a joint plane, comprises a unit for supporting the disc, a unit for maintaining adjustment of the blade and the yoke, a unit for maintaining adjustment of the talons, a unit for angular setting of the disc having blocks, a detachable plate, a convex surface intended to contact with the blade, and a unit for blocking the blade. The yoke comprises a turntable (30) support for maintaining the blade. The device for clamping workpieces for a method of repairing a blade of a monobloc bladed disc of turbo machine by welding electron beam of a yoke (11) on the blade along a joint plane, comprises a unit for supporting the disc, a unit for maintaining adjustment of the blade and the yoke, a unit for maintaining adjustment of the talons, a unit for angular setting of the disc having blocks, a detachable plate, a convex surface intended to contact with the blade, and a unit for blocking the blade. The yoke comprises a turntable (30) support for maintaining the blade arranged in a space located above the joint plane for allowing a passage of the electron beam. The monobloc bladed disc comprises a spindle on which the disc is fixed. The unit for maintaining adjustment of the blade comprises a unit for nipping the blade having screws, where the nipping unit is connected with a pivot arm (37) and the screw is supported by a rotating arm. The unit for blocking the blade comprises pawns, which are connected to the arm by swivel type linkage with a pendulum mounted at an end of the pivot arm. Eccentric blocks are arranged in contact with edges of the yoke.