A manufacturing machine for producing tobacco industry articles, and comprising: at least one station having a number of drums cooperating with one another to convey and process portions of smoking material, in particular filter portions; and a supporting structure fitted to a frame and supporting the drums at the station; wherein the station comprises a vertical first front panel supporting at least some of the drums at the station and fixed removably to the supporting structure for replacement, together with the respective drums, when making a brand change; the manufacturing machine being characterized in that the vertical first front panel is fixed removably to the supporting structure by means of a number of fast-fit devices, each comprising: a permanent magnet which adheres magnetically to an inner wall of the first front panel; and a linear actuator fixed to the supporting structure and supporting the permanent magnet to move the permanent magnet, in a shift direction perpendicular to the inner wall of the first front panel, between a lock position, in which the permanent magnet adheres magnetically to the inner wall to draw the first front panel to the supporting structure, and a release position, in which the permanent magnet is detached from the inner wall and does not draw the first front panel to the supporting structure. at least one station having a number of drums cooperating with one another to convey and process portions of smoking material, in particular filter portions; and a supporting structure fitted to a frame and supporting the drums at the station; wherein the station comprises a vertical first front panel supporting at least some of the drums at the station and fixed removably to the supporting structure for replacement, together with the respective drums, when making a brand change; the manufacturing machine being characterized in that the vertical first front panel is fixed removably to the supporting structure by means of a number of fast-fit devices, each comprising: a permanent magnet which adheres magnetically to an inner wall of the first front panel; and a linear actuator fixed to the supporting structure and supporting the permanent magnet to move the permanent magnet, in a shift direction perpendicular to the inner wall of the first front panel, between a lock position, in which the permanent magnet adheres magnetically to the inner wall to draw the first front panel to the supporting structure, and a release position, in which the permanent magnet is detached from the inner wall and does not draw the first front panel to the supporting structure. a permanent magnet which adheres magnetically to an inner wall of the first front panel; and a linear actuator fixed to the supporting structure and supporting the permanent magnet to move the permanent magnet, in a shift direction perpendicular to the inner wall of the first front panel, between a lock position, in which the permanent magnet adheres magnetically to the inner wall to draw the first front panel to the supporting structure, and a release position, in which the permanent magnet is detached from the inner wall and does not draw the first front panel to the supporting structure.