28 March, 2024

The pneumatic-electrical dynamic in motion control

22 September, 2016

Industry 4.0

The motion control industry is increasingly looking at the potential of connectivity concepts such as the Internet of Things (IoT) and Industry 4.0. In this regard, Walsh makes the point that fluid power product portfolios are now becoming more and more aligned with high-end control system functionality. “Cross-protocol communications is becoming a must and rapid data-exchange of all components is expected with Industry 4.0,” he said.

In terms of maintenance, Edwards comments that as engineers become more aware of the potential for connected communication between devices and more conscious of the benefits that could potentially be gained through, for example, a better preventative maintenance or condition monitoring regime, he believes Industry 4.0 will increasingly become the norm.

Pushing the innovation envelope

In terms of other recent innovations within the motion control arena, Walsh explains that there have been a number of enhancements regarding fieldbus technology in pneumatics, positioning feedback in pneumatics actuators (for example, electronic linear transducers within the cylinder) and inbuilt diagnostics in pneumatic valve manifolds (for example, measuring valve speed to predict seal failure).

Walsh has also seen the introduction of products that provide ease of set-up and commissioning for systems engineers; one example being self-addressing fieldbus systems. Additionally, Walsh points to components designed to be easily added-to or changed. “All these developments can provide easier and faster operation, lower labour requirements, and require easier maintenance resulting in less downtime,” he said.

Edwards commented that although a large slice of IMI Precision Engineering’s business involves industrial automation, there is a growing range of applications that don’t lend themselves to simple categorisation. “For example, I recently visited a customer that is producing a system that can fire projectiles and a net in order to capture drones for the purpose of airport security,” he explained. “The company uses a pneumatic cannon to launch the projectile to catch the drones.” Edwards added that electric actuation is also advancing. “As technology changes the costs are coming down and the power density that they can achieve is going up,” he said.

The right solution

Edwards’ view is that pneumatics and electrics shouldn’t be viewed primarily as two technologies in competition with each other. “It really boils down to what is deemed to be the best solution for the end-user’s specific application,” he said. “If you try to sell the wrong technology you may win the business but you’re going to cause yourself and your customer problems further down the road.”

Similarly, Guzzoni stressed that it doesn’t pay to use a sledge hammer to crack a nut – the important thing is to engage the support of technicians that have the right level of knowledge and experience to help companies make the best choices when sourcing motion control solutions.

www.bfpa.co.uk




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