Abstract: A protection device (D) for the driving mechanism of a mobile element (O) against the cuttings of a machine tool includes a driving section (P1) and a machining zone (P2) separated by a protection wall. The protection wall is constituted by a plate (100) having a free translational motion on a disk (200) rotating freely with respect to the wall. A first displacement window (210) in the disk (200), and a second displacement window (310) in the wall are provided wherein both displacement windows (210 and 310) are arranged with respect to each other in such a way that the translational displacement of the plate (100) and the rotation of the disk (200) occlude the opening of both displacement windows (210 and 310).

Abstract: A protection device (D) of the driving means of a mobile element (O) against the cuttings projection of a machining machine tool comprising a driving section (P1) and a machining zone (P2) of the type that defines a protection wall that, being interdependent from the mobile element (O) that goes through it, separates the driving section (P1) from the machining section (P2). The protection wall is constituted by a plate (100) interdependent from the cross-through part of the mobile element (O) and having a free translational motion on a disk (200) rotating freely with respect to a cabin (300) and the rotation axis (A) of which is shifted with respect to the displacement axis (B) of said mobile element (O).