Importance

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Abstract

To cut out workpieces from a sheet iron plate, the sheet iron plate is fed at first to a stamping and/or nibbling station in which stamping and nibbling operations ar executed. The sheet iron plate premachined in this way is then fed by means of transportation and buffer devices to a laser beam cutting machine in which longer, more complicated contours are cut out and the workpieces are cut out free from the sheet iron plate. During all cutting processes by means of the laser beam, the sheet iron plate remains stationary so that no problems arise with the handling of the cut free workpieces and the residual grid. Both existing machines can machine independently from each other for special works or can be utilized together for the successive machining of the same sheet iron plate, whereby buffers serve to store the sheet iron plates when e.g. the cycle time of the stamping and nibbling machine is higher than the cycle time of the laser beam cutting machine. This provide for an independent, optimal utilization of the capacities at disposal of the machines.

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First Claim