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FANUC’s iLimitS Helps CNC Machines Know Their Limits

FANUC Factory Automation America’s iLimitS is a software add-on for its line of CNC controls to protect the machine, parts and fixtures by monitoring the spindle load, spindle speed, and up to four coolant flow devices during machining operations.iLimitS works by sampling the machining process at a rate of <48 ms and comparing the data to user-defined machine settings.

FANUC Factory Automation America’s iLimitS is a software add-on for its line of CNC controls to protect the machine, parts and fixtures by monitoring the spindle load, spindle speed, and up to four coolant flow devices during machining operations.

iLimitS works by sampling the machining process at a rate of <48 ms and comparing the data to user-defined machine settings. If those settings are violated, the machine interface is signaled and either a warning is displayed or an alarm is sounded as operations are stopped.
 
The software also features a macro interrupt mode, a function that allows the machine operator to create sub programs which act in error recovery situations. For example, if iLimitS detects an unfavorable load condition, the operator can trigger macro interrupt mode to remove the tool from the workpiece.