casting by any means known in the art including but not limited to screws or bolts having flat heads which fit through openings in a knife blade clamp not pictured rigidly attaching the angular blade 50 to the front exterior side 56 of the casting a knife blade holder can also hold the blade in place along the interior side of the blade one skilled in the art armed with this disclosure will appreciate that any components used to removably secure the blade and sand gate to the casting will conform to the concave shape of the interior the modified slicing shoes of a first embodiment are arranged in spaced relation to one another to form a generally cylindrical shape for placement around a rotatable impeller of a centrifugal type slicing machine having an axis of rotation as shown in fig6 a first end of each slicing shoe having a knife blade 54 with a cutting edge is positioned adjacent to a second end of a juxtaposed slicing shoe which comprises a sand gate 60 to protect the assembly the interior of the assembly depicts a back perspective 60 b of the sand gate as the front perspective 60 a is also illustrated to show the trailing convex point of the sand gate each of the knife blades has top and bottom ends that point inwards protruding towards the impeller in addition to a vertex 52 protruding away from said impeller forming a vertically concave interior surface 64 65 relative to.