| 摘要 |
A numerical control machine tool system comprises a munerical tool having a chuck for helping a workpiece, a cross-slide for holding a plurality of tools adapted to be sequentially selected for use upon the workpiece, a numerical control unit for controlling movement of the cross-slide along at least two axes relative to the workpiece and present position coordinate bvalue registers contained in the numeric control unit for storing the present position coordinate values relative to reference point of the edge of whichever tool has been selected for use upon the workpiece, characterized in that the numerical control unit.
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