A device (1) for exchanging at least one cutting component (2a) of a rotating tool (2), in particular a milling tool (2), and more particularly, a hollow milling tool for machining workpieces made of plastic. The device has an aligning device (5) for orientating a position of the cutting component (2a) relative to a rotational axis (2c) of the tool (2) and an exchanging device (6) for releasing the cutting component (2a) from a part (2b) that remains on the tool (2) and for attaching another cutting component (2a) to the part (2b) that remains on the tool (2).

A device (1) for exchanging at least one cutting component (2a) of a rotating tool (2), in particular a milling tool (2), and more particularly, a hollow milling tool for machining workpieces made of plastic. The device has an aligning device (5) for orientating a position of the cutting component (2a) relative to a rotational axis (2c) of the tool (2) and an exchanging device (6) for releasing the cutting component (2a) from a part (2b) that remains on the tool (2) and for attaching another cutting component (2a) to the part (2b) that remains on the tool (2).

The invention relates to a replacement device (1) for replacing machining inserts (900) on a tool (800) comprising a body (810) and a head (820) carrying at least one machining insert (900), each insert being held on the head (820) by a screw. The device (1) comprises: a positioner (50) including a holder element (59) suitable for holding the body (810) of the tool; a screwdriver station with a screw gun (60) suitable for tightening and loosening the screws, the positioner (50) being suitable for moving the tool relative to the screwdriver station; a grip device (70) suitable for picking up and putting down an insert (900); a conveyor (500) having a plurality of receptacles (510) for inserts, and having distributed along it a first station (100) with the grip device (70), a second station (200) with a turning mechanism (20) for turning the inserts around, a third station (300) with an unloading mechanism (30) for unloading the inserts, and a fourth station (400) with an insert feed mechanism (40); a transport mechanism (80) suitable for moving the grip device (70) between the positioner (50) and the first station (100) of the conveyor (500); and a control center (600) suitable for automatically controlling one or more of the mechanisms and devices and/or the conveyor of the replacement device (1).