Product News: Controls & Controllers, Mechanical Power Transmission

CNCs offer predictive maintenance tools for fans and motors.

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Press Release Summary:

December 17, 2012 - With preventative maintenance tools for motors and fans, Series 30i/31i/32i-MODEL B CNCs enable maintenance staff to pre-plan servicing of machine during scheduled downtime rather than when machine has failed. FANUC amplifiers address predictive motor failures by checking resistance of windings. By monitoring speed of each cooling fan that is in CNC and amplifier, users can estimate when fan will fail.

Original Press Release

FANUC Offers New 30i-B CNC Predictive Maintenance Tools for Fans and Motors

Press release date: December 13, 2012

HOFFMAN ESTATES, IL - FANUC FA America's most innovative Series 30i/31i/32i-MODEL B CNCs offer new predictive and preventative maintenance tools for motors and fans. This allows maintenance staff to pre-plan servicing of a machine during scheduled downtime rather than when a machine has failed.

FANUC amplifiers address predictive motor failures by checking the resistance of the windings. The greatest cause of servo motor failure is coolant infiltration into the motor. Coolant works its way into the machining process and deteriorates the windings until a short circuit occurs. The latest FANUC amplifiers are now able to record the winding resistance and predict when the motor will fail. This allows maintenance personnel to order a motor in advance and change the motor when it is convenient for them, not at an inconvenient time when the machine is down.

The ability to monitor the speed of each fan in the amplifier and the CNC can prevent a failure. On the CNC and servo amplifiers that are contained within the magneticscabinet, heat is the largest cause of failure. FANUC uses cooling fans to cool electronic components. A failure of the cooling fan can cause a failure of the CNC. By monitoring the speed of each fan that is in the CNC and amplifier, FANUC is able to judge when the fan will fail enabling maintenance personnel to do maintenance at their convenience.

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 43 offices and service centers throughout U.S., Canada, Mexico, Brazil and Argentina.

For more information, contact FANUC FA America, 1800 Lakewood Boulevard., Hoffman Estates, IL 60192, phone: 888-FANUC-US (888-326-8287), e-mail:, website:

PR contact:
Jill Jozwik
Marketing Manager
FANUC FA America
T: 847-898-5673

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