| 摘要 |
For the securing and removal of waste fragments from eroded openings of a workpiece on a spark erosion machine, a collecting plate is provided below the workpiece to retain the waste fragments. In the case of an X/Y-movement of the workpieces, the waste fragments move over the top of the collecting plate. A collecting container is arranged on the edge of the collecting plate and the waste fragments drop into it in the case of a corresponding X/Y-movement of the workpiece. According to another variant, a lifting cylinder can be positioned above the workpiece and with a gripper (e.g. a magnet) grips the waste fragments and draws them upwards out of the eroded opening. By moving the lifting cylinder, the waste fragment is then placed on a conveyor belt or can be directly conveyed into the collecting container.
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