Dust collecting case and cutting machine equipped therewith

A cutting machine for performing work on a work piece, the cutting machine comprising:

• a cutting tool cutting a work piece;
• a cutting head driving the cutting tool;
• a holder holding the work piece;
• a dust collecting case covering bottom and side surfaces of the work piece and the holder;
• and
• a main body case housing the cutting tool, the cutting head, the holder, the work piece and the dust collecting case,
• wherein the dust collecting case comprises:
• an outer case member including a bottom plate, a first side member extending upward from a peripheral edge of the bottom plate, and a suction port connected to a dust collecting device, and
• an inner case member including a second side member positioned inside the first side member,
• wherein the second side member includes an inner peripheral surface that faces and surrounds an outer periphery of a target object, the target object comprising the holder and the work piece, and
• wherein a gap is located in between an outer surface of the second side member and an inner surface of the first side member.