SUPERVISORY SYSTEM FOR TIME-SHARED NUMERICAL CONTROL SYSTEM
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Abstract
IN A NUMERICAL CONTROL SYSTEM OF THE TYPE WHEREIN A CENTRAL PROCESSOR PROVIDES CONTROL INSTRUCTIONS ON A TIMESHARED BASIS TO A PLURALITY OF REMOTELY LOCATED NUMERICALLY CONTROLLED MACHINE TOOLS, PROVISION IS MADE FOR GATHERING DATA AT THE CENTRAL PROCESSOR FROM THE VARIOUS MACHINE TOOL LOCATIONS FOR THE PURPOSE OF PREVENTIVE MAINTENANCE.
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