Cutting machine

A cutting machine comprising a guide rail extending in a predetermined direction, a chuck table, which is arranged such that it can move along the guide rail, and has a holding surface for holding a workpiece, a cutting feed mechanism for cutting-feeding the chuck table along the guide rail, a support frame that is arranged straddling the guide rail and has an opening for allowing the movement of the chuck table, an alignment means mounted on one lateral surface of the support frame such that it can move in a direction perpendicular to the guide rail, and a cutting means for cutting the workpiece held on the chuck table, which is mounted on another lateral surface of the support frame such that it can move in a direction perpendicular to the guide rail, wherein

• the cutting means is composed of an indexing-feed base arranged on the other lateral surface of the support frame such that it can move in a direction perpendicular to the guide rail, a cutting-in feed base arranged on the indexing-feed base such that it can move in a direction perpendicular to the holding surface of the chuck table, and a spindle unit that is mounted on the cutting-in feed base and has a cutting blade, the spindle unit being arranged on a side of the alignment means side through the opening of the support frame.