FANUC INTRODUCES iLimitS CNC SOFTWARE OPTION FOR MACHINE PROCESS MONITORING AND SPINDLE LOAD LIMITING FOR MACHINE AND PART PROTECTION

HOFFMAN ESTATES, IL – (October 10, 2011) FANUC Factory Automation (FANUC FA America) introduces iLimitS CNC software option that provides machine process monitoring including spindle load, spindle speed and up to 4 coolant flow devices. iLimitS monitors the process and protects the machine, parts and fixtures. If an abnormal process is detected, a warning can be displayed or an alarm will stop the process before damaging the machine. iLimitS is a cost effective solution made by FANUC for FANUC CNCs. It is seamlessly integrated into the CNC, so no external PC is required.

iLimitS process monitoring includes real-time monitoring of the spindle load, spindle speed and coolant flow from up to 4 different coolant sources. “iLimitS provides real-time monitoring of the machine and part to protect them from abnormal conditions”, states Paul Webster, Engineering Manager at FANUC FA America. Monitoring parameters are provided so that warning and alarm thresholds have a time delay before alarm and tolerances can all be set. iLimitS samples the process at a rate of <48ms - this provides superior resolution and reaction time for abnormal process detection. The sampled data is compared to the user defined threshold settings and when a violation is detected, the FANUC machine interface (PMC) is signaled to stop the machining process. In the situation of an alarm, the operator must clear the condition before machining is allowed to resume. A macro interrupt mode is also provided that allows for a customer designated macro program to execute in the event of a monitoring alarm condition. This allows the customer to take corrective actions programmatically or even send a text report of the condition for traceability.

iLimitS is set through parameter settings and activated by macro calls within the part program, this allows for a high degree of flexibility for the operator and programmer. “iLimitS is seamlessly integrated into the FANUC CNC and provides a high degree of operational flexibility from basic spindle abnormal load monitoring to load, speed and coolant monitoring with macro interrupt”, states Webster. Since iLimitS is embedded into the CNC itself, no external sensors are required when using a FANUC serial spindle interface. For analog spindles and coolant monitoring, external sensors can be added as needed for the application.

iLimitS meets the stringent GE Aviation P11TF12 specification requirements. Additionally, iLimitS supports a wide range of applications from simple spindle loading monitoring to extensive process control and traceability. The intuitive user interface screens are integrated seamlessly into the CNC and provide access to all setup and monitoring information without the need for an external computer or extra hardware.

About FANUC
FANUC Corporation, headquartered at the foot of Mt. Fuji, Japan, is the most innovative manufacturer of Factory Automation (FA), Robots and Robomachines in the world. Since its inception in 1956, FANUC has contributed to the automation of machine tools as a pioneer in the development of computer numerical control equipment. FANUC technology has contributed to a worldwide manufacturing revolution, which evolved from the automation of a single machine to the automation of entire production lines. FANUC is committed to developing efficient, reliable and innovative products.

About FANUC Factory Automation America (FANUC FA America)
FANUC FA America is the exclusive provider of industry leading FANUC CNC systems and solutions in the Americas, providing a one-stop shop for comprehensive CNC solutions including industry-leading control systems, a complete range of drives and motors and CO2 laser solutions. FANUC FA America also offers engineering support, genuine FANUC parts, repair and factory automation solutions and training programs to machine tool builders, dealers and users. FANUC CNC systems are known throughout the world for their high reliability, high precision, high speed and simple operation.

FANUC FA America headquarters is located in Hoffman Estates, IL and supports 37 offices and service centers throughout U.S., Canada, Mexico, Brazil and Argentina.

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