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COVER STORY


EVERYBODY IS RESPONSIBLE We share the responsibility to use energy efficiently. When compressing air, a substantial percentage of energy can be lost as heat. However, the latest heat recovery systems can recover up to 90 per cent of that energy to offset other energy requirements. In the Festo Scharnhausen factory, this energy is used to heat our offices and raise the temperature in our anodising processes, the biggest single energy consumer in our plant. At a plant level, Festo has also invested in extensive energy monitoring and mapping to stagger the loading of its air and electric networks, using recycled and recovered energy wherever possible and reducing peak loading. It has optimised its compressed air installation network, reducing the standard ring main to provide 4-4.5 bar. We use a far smaller higher-pressure network


and local air intensifiers for outlying, older applications that still need higher pressures.


IMPRESSIVE PAYBACKS


There are significant savings at a CAPEX plant level; paybacks are impressive and frequently within two to three years. However, the many marginal gains quickly add up at the individual machine and even actuators level. Often these do not have to cost more, other than taking the time to break from the pattern of what has been done before.


ON-DEMAND WEBINAR Festo has compiled ten top energy saving tips to help manufacturers achieve a more sustainable use of compressed air. Watch the on-demand webinar ‘Energy efficient machine design’ which expands on these quick wins and provides more helpful information: www.festo.com/energyefficiency webinar23


Festo UK www.festo.com/energy 0800 626422


UKManufacturing Autumn 2023


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