Rapid traverse: The movement of machine components at the fastest possible rate of travel. The AUTO, EDIT, and MDI keys that comprise the program source keys are distinct machine modes. Program source keys: The group of keys on the operator panel that control how part programs are used. The program protect switch prevents accidental or intentional deletion of programs in memory. Program protect switch: A switch located on the machine control panel that allows the operator to secure current program information. Program edit keys: Keys located on the MDI keypad that allow an operator to alter, insert, or delete data from stored memory. PRGRM: A function key located on the MDI keypad that displays the program screen and blocks of the current part program. Power on: The green button on a CNC control panel that provides power to the control.
Power off: The red button on a CNC control panel that shuts off power to the control. POS: A function key located on the MDI keypad that displays the position screen that shows axis locations. Part program: A series of instructions used by a CNC machine to perform the necessary sequence of operations to machine a specific workpiece. Curved brackets used to separate program text information from CNC program commands.
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