
OPERATION4. AUTOMATIC OPERATION
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AUTOMATIC OPERATION
Programmed operation of a CNC machine tool is referred to as automatic
operation.
This chapter explains the following types of automatic operation:
S MEMORY OPERATION
Operation by executing a program registered in CNC memory
S MDI OPERATION
Operation by executing a program entered from the MDI panel
S DNC operation
Operation while reading a program from external input/output device
S PROGRAM RESTART
Restarting a program for automatic operation from an intermediate
point
S SCHEDULING FUNCTION
Scheduled operation by executing programs (files) registered in an
external input/output device (Handy File, Floppy Cassette, or FA
Card)
S SUBPROGRAM CALL FUNCTION
Function for calling and executing subprograms (files) registered in an
external input/output device (Handy File, Floppy Cassette, or FA
Card) during memory operation
S MANUAL HANDLE INTERRUPTION
Function for performing manual feed during movement executed by
automatic operation
S MIRROR IMAGE
Function for enabling mirror–image movement along an axis during
automatic operation
S MANUAL INTERVENTION AND RETURN
Function restarting automatic operation by returning the tool the
position where manual intervention was started during automatic
operation.