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Energy-efficient Products/Waste Reduction

Energy-efficient Products

FANUC will continue to make energy-efficient products, which will contribute to conserve energy in our customers' factories.

Development of large-capacity servo motors We have developed a high-precision, high-efficiency, large-capacity servo motor fully utilizing our advanced digital control system.
In the field of industrial machines, including press machines, which require tremendous power, we have achieved energy saving by introducing this large-capacity servo motor in place of hydraulic pressure.
Adoption of power regeneration system In the servo amplifier, we use a power regeneration system that returns energy to the power supply when the motor decelerates. This effective use of the power supply leads to energy savings. When mounted on a ROBODRILL, it reduces energy consumption by approximately 34% compared with the resistance-regeneration method. Furthermore, the adoption of new power devices has reduced energy loss of the servo drive by roughly 40%, compared with the 1995 equivalents (when installed on a ROBODRILL).
Power consumption monitoring function By developing power-consumption-monitoring function, we have made it possible to monitor the amount of power consumed by our CNC and motors, enabling the efficient adjustment of the cycle time.
By using the energy-saving level-selection function, we have made it possible to choose the type of operation: one that prioritizes cycle time and one that prioritizes power consumption.
When sufficient time is available before delivery, or when there are differences in cycle times in the production line, this function can effectively adjust power consumption in accordance with the circumstances, therefore contributing to energy savings for the entire factory.
Fast Cycle-time Technology This series of functions reduces cycle time. Reducing operating time contributes to reductions in both direct and indirect energy consumption (e.g., energy consumption by auxiliary equipment, such as in turning a coolant pump while the machine is running).
Improving the efficiency of laser electrical-optical conversion Improving the electrical-optical conversion efficiency has enhanced the wall plug efficiency to 40% in fiber laser technology. This technology is four times more efficient than conventional CO2 lasers, which have an efficiency of 10%, and is 1.3 times more efficient than conventional fiber lasers, which have an efficiency of 30%.
Averaging the load of power demand Night operation using robots disperses peak power and curbs power consumption.
Reducing CO2 emissions by reducing weight We have reduced the weight per unit output of laser oscillators by half and in doing so, have reduced the amount of CO2 emission during transportation. CO2 lasers, with a weight per unit performance of 1,300 kg, can be replaced by fiber lasers with a performance of 600 kg (based on 6 kW machines).
In addition, the design of the robot mechanical arms with lighter weight also reduces power consumption. For the robots with a payload of 165 kg, the Robot S-430iW in 1997 weighed 1,300 kg while the Robot R-2000iC/165F in 2013 is lighter with weight of 1,190 kg.
In addition, the collaborative robot CRX has a robot mass of 40 kg with a payload of 10 kg, which is considerably lighter than the robot mass of 150 kg common to robots in the same class thus far, and reduces power consumption.
CFC substitute-free We replaced the cooler in the laser cabinet with a Peltier dehumidifier to attain a CFC-free environment that leads to the protection of the ozone layer. No CFCs are emitted when our customers use FANUC laser products. This also eliminates the need to hand over fluorocarbon refrigerant (for collection) at the time of disposal.
Optimal operating program By optimizing the operating program with ROBOGUIDE, power consumption is reduced and the lifetime of the reducer is extended to reduce running costs.
Efficient robot utilization Use of an autonomously moving, Automatic Guided Vehicle (AGV) with collaborative robots allows a single robot to work in multiple locations, improving the efficiency of robots. This reduces standby power, compared with installing multiple robots.
In addition, the latest model of the collaborative robot CRX has a very light robot mass of 40 kg, and the AGV can also be made compact. Furthermore, the CRX can be moved on a handcart instead of on an AGV, making it possible to move the robot to the place where and when it is needed.
Highly reliable automatic wire feeding (AWF3) ROBOCUT is capable of unmanned operation for long periods, thanks to the highly reliable automatic wire feeding AWF3, which can automatically recover feeding even when a wire is accidentally cut and disconnected. Stable night-time machine operation disperses peak power usage and curbs power consumption.
Discharge control iPulse3 Our newly developed discharge control iPulse3 reduces machining time by approximately 10% compared to that of conventional control. Reduced machining time curbs power consumption.
Electrification of peripheral equipment Additional axis options for ROBOSHOT can electrify hydraulically controlled peripheral equipment.

Awards on Energy Saving

ROBODRILLs and ROBOSHOTs became eligible for a subsidy for business expenses supporting promotion of advanced energy-saving investments, allocated in the fiscal 2021 supplementary budgets in recognition of their energy-saving potential. (2021)

ROBODRILL α-DiB Plus Series
ROBOSHOT α-SiA, B Series

ROBODRILLs and ROBOSHOTs became eligible for a subsidy for business expenses supporting businesses rationalizing energy use in production equipment, allocated in the fiscal 2019 supplementary budgets in recognition of their energy saving potential. (2020)


The Minister Awards of the Ministry of International Trade and Industry, Excellent Energy Saving Device Award Program by the Japan Machinery Federation (1995)


The Minister Award of the Ministry of International Trade and Industry, Excellent Energy Saving Device Award Program by the Japan Machinery Federation (1998)

For our wire-cut electric discharge machines equipped with a high-speed automatic wire feeding mechanism and thick plate tracking control
ROBOCUT α Series

The Minister Award of the Ministry of International Trade and Industry (1999) in the first Global Environment Award competition

Prize of the Director General of Agency of the Natural Resources and Energy, Excellent Energy Saving Device Award Program by the Japan Machinery Federation (2003)

For our large-capacity servo system with a power regeneration feature and precision digital control and for our large-size AC Servo Motor αi Series

Approved for subsidies for the introduction of energy-saving equipment for local factories and small- and medium-sized enterprises (2014)

ROBOCUT α-CiA Series

Waste Reduction and Effective Utilization of Resources in Our Customers' Factories

FANUC 's products also contribute to waste reduction and the effective utilization of resources.

→ Resources and Waste