Ice-cutting machine comprising a cylindrical tank (1) on the upper portion of which two circular blades (2) are arranged, being raised at a certain height above a supporting assembly (3), which constitutes the supporting base of the cylindrical bars, provided with one rotation motor (4) and another translation motor (5) that impart a compound rotational and translational motion, wherein the supporting assembly (3) is provided with two crescent-shaped supports (3.1) that have a ramp (3.2), which prevents the ice bars from being damaged by the teeth of the blades; the blades are fixed by means of screws (2.2); the cylindrical tank (1) is provided with a register flap (6) and the rotation motor (4) is fixed on a platform (8) which in turn is fixed to the cylindrical tank (1), and the rotation motor (4) and platform assembly is covered by a casing (8).