| 摘要 |
The system to show the optimum gap between a tool (8) and the surface of a workpiece (3) at an automatic machine, before the work process starts, registers the tool position continuously as it is moved into the working setting. A path movement monitor and an automatic gap control maintain a constant gap between the geometric workpiece surface and the tool, and the position changes are stored continuously in an electronic memory running with the tool movements. Additional signals are taken from the machine control, for the main machine axes so that, on every position of the tool, the settings of the tool axis for the next position in the working process are ready when working the same workpiece The system to show the optimum gap between a tool and the workpiece surface, before working starts, eliminates the need to show a new position of the workpiece surface before the next working stage through a feeler, sensor or other time-consuming machine function. The additional signals from the machine control are taken into the working program for the tool setting operation, to give the coordinates of the tool position for the next working stage. The memory is used to mark the moving path monitor with the position in relation to the workpiece for the next working stage. The additional signals from the machine control are processed in the memory so that, from the signals of the movement path monitor, the movements for the next positioning can be extrapolated from the position variations as characteristics of the workpiece geometry variation close to the coordinate point of the start for the next working at the same workpiece. This gives a more precise register of the tool position in relation to the workpiece surface for the next working stage.
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