The invention relates to a machine for repairing shuttering panels and to a repair method. The invention is suitable for sandwich-type composite panels (1) comprising a synthetic core, a structural skin and an outer finishing sheet or skin (3) which is placed in contact with the concrete. The inventive machine consists of a stripping module (4) which is equipped with a set of suction cups (5) which are applied to the upper face of the pre-heated outer sheet (3) and which are raised such as to detach and separate said sheet from the composite sandwich (2). The aforementioned suction cups (5) are mounted to a horizontal support (6) which is suspended from lateral guides (7) belonging to a portal frame (8) which moves vertically under the action of a pneumatic cylinder (10) in relation to a frame (9). According to the invention, the panel (1) is mounted to movement means (9) which move horizontally and which, together with the vertical movement of the suction cups (5), facilitate the stripping of the shuttering panel (1).
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