Abstract: Load generation device (15) for a powder module (3, 4) of an apparatus (1) for additively manufacturing three-dimensional objects, which powder module (3, 4) comprises a carrying device (11) with at least one moveable carrying element (13) with a drive device (12) adapted to drive the carrying element (13), wherein the load generation device (15) is separably connected or connectable with the powder module (3, 4) or the apparatus (1), in particular inside a process chamber (10) of the apparatus (1), wherein at least one load generation unit (18) is adapted to apply a force on the carrying element (13), wherein at least one force component is applied in the movement direction or against the movement direction of the carrying element (13).