METHOD AND MACHINE TOOL FOR MACHINE-CUTTING WORKPIECES IN PLATE FORM OR BAR FORM

The invention relates to a method for machine-cutting workpieces (2) in plate form or bar form and also to a machine tool (1), with a laser machining device (4), with a workpiece support (14), by means of which a workpiece (2) to be machined in the laser machining device (4) is received, and with a workpiece moving device (7), by means of which the workpiece (2) to be machined is held and moved inrelation to the laser machining device (4), wherein with a machining head (17) a laser beam (16) is directed onto the workpiece (2) to be machined and a clearance (31) is introduced into the workpiece (2) and the clearance (31) is machined with a flow drill (33) and widened to a final size of a borehole (34). 本发明涉及种用于切割加工板状或棒状工件(2)的方法并且涉及种加工机器(1)，所述加工机器具有激光加工装置(4)，并具有工件支撑件(14)，将在激光加工装置(4)中被加工的工件(2)借助于所述工件支撑件被接收，所述加工机器还具有工件移动装置(7)，待加工的工件(2)借助于所述工件移动装置被保持并相对于激光加工装置(4)移动，其中，激光束(16)由加工头(17)导向待加工的工件(2)，凹部(31)被引入工件(2)中，所述凹部(31)由热熔钻(33)加工并加宽到钻孔(34)的最终尺寸。