Additional aggregate (1) for a machine (2) for machining a workpiece (3), comprising:a spray vessel (4) with a liquid compartment (5) for a liquid (6),a pressure connection (7) through which an excess pressure in the liquid space (5) can be produced,At least one nozzle (8) for spraying the liquid (6) on at least one part of the workpiece (3), the nozzle (8) being connected to the liquid space (5) via a liquid line (9),a connecting element (10) through which the additional aggregate (1) is connected to a machining aggregate (11)of the machine (2), so that the additional aggregate (1) is movable relative to the workpiece (3); andA frame (12) which forms a recording (13) for the spray medium container (4) and on which the pressure connection (7) is fixed at least one nozzle (8) and the connecting element (10).
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