Patent ID: 7169100

Claim:
A laser beam machine comprising: a bed, a pallet which is disposed on the bed and holds a workpiece, a column which moves along an X axis, that is, a longitudinal axis of the bed, a saddle which is supported by the column and moves along a Y axis orthogonal to the X axis, a machining head which is supported by the saddle and moves along a Z axis perpendicular to a plane formed by the X axis and Y axis, and a laser machining tool replaceably attached to the machining head, and a tool change magazine, wherein the tool change magazine is disposed at an automatic tool change position outside a machining area and the machining head is moved to the automatic tool change position to change a tool in cooperation with the tool change magazine located thereat, and the laser machining tool comprises a torch which has optical means including a condenser lens and a nozzle which is replaceably attached to the tip of the torch.