| 摘要 |
An apparatus for controlling a machine tool including a tool holder spindle for performing a machining operation, a motor for rotating the spindle, an operator's control panel which has a data display with a plurality of display digits, and a plurality of operator's control switches, and a control device comprising a motor controller for controlling the spindle motor, according to control data entered through the operator's control switches. The control device includes a special-operation detector for detecting one of at least one special operation of at least one of the control switches, a mode selector for selecting one of at least one special operation mode of the control device corresponding to the detected one of the at least one special operation, and a special data setting controller for placing the data display in the selected one special operation mode and permitting the control device to enter special presetting data through the control switches.
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