Fluid Power Journal

Sensor Innovations Result in Proactive Maintenance

By Pravina Raghavan, Director, Hollings Manufacturing Extension Partnership.

Imagine how much easier life would be if you could predict when your computer would crash or your home’s pipes would leak.

That’s the general idea behind a framework called Prognostics and Health Management (PHM), which manufacturers are increasingly applying to their operations. By evaluating how reliable a system is, companies can use preventative maintenance to keep their systems running safely and efficiently.

In 2023 and beyond, the sensors that allow this type of proactive systems maintenance will become less expensive and more readily available. This is happening mainly because of the recent increase in availability of two things necessary for this technology to advance: optical equipment that can detect tiny details that may show a problem in a system and more affordable computational capabilities. Both factors are driving down the computing costs and the physical costs of the sensors and other components required for this type of maintenance.

PHM will be especially effective in international chemical and refinery companies, where pennies or fractions of a penny can have a significant impact on a company’s bottom line.

Additive manufacturing

You’ve probably heard of 3D printing, but that’s just one type of additive manufacturing. Additive manufacturing allows the production of complex shapes and geometries that cannot be built with other techniques. It can be used with a variety of materials, including polymers, cement and metals.

One of the most exciting possibilities is the 3D printing of biological organs, though this is still in development. This offers tremendous potential for saving lives with replacement organs made from cellular material.

Advances in digital manufacturing techniques are changing how and where physical goods can be made, making on-demand and hyper-customized products a reality. For example, 3D printers can now print a much wider variety of objects, and the number of viable filament materials (plastic materials used in a 3D printer to make a 3D model according to specs) is growing, too.

Additively manufactured housing can be built at a fraction of the cost of traditional buildings. In business settings, manufacturers can keep legacy equipment operational by printing new parts, saving organizations the cost of replacing equipment. This type of manufacturing can also be more sustainable for the planet.

Industrial Internet of Things

In an increasingly connected world, smart manufacturing, or using both digital and physical resources to optimize the manufacturing process, allows for connectivity among devices. Smart manufacturing is nimble, reacting quickly to changes in demand. It’s also adaptable and resilient to disruption.

The advantages of smart manufacturing include streamlining and improving the production process and enhanced visibility into sourcing and supply chains. While there are some vulnerabilities with this technology currently, including cyber threats and other concerns, addressing those issues could lead to significant breakthroughs in this area of manufacturing technology.

Smart manufacturing can allow a digital thread to be run through an entire supply chain to ensure ethical sourcing within products. So if you wanted to be sure a product you bought was entirely sourced through ethical production (with worker safety, the health of the planet, and other similar considerations in mind), you would be able to trace each step of the supply chain.

Some companies are already seeing the promise of Internet of Things technology in their operations. Pelco, an Oklahoma hardware manufacturer that works with NIST’s Manufacturing Extension Partnership, uses a computerized model to test the movement of equipment, materials and people in the factory. This model allows managers to test different production scenarios without having to move actual pieces of equipment or combine tasks. The company even tests new technologies without having equipment on-site, testing for safety and efficiency before equipment is rolled out on the factory floor. This saves the company money and promotes a safer environment for its workers.

Advanced manufacturing technologies can improve manufacturing capability and efficiency. These technologies help small and midsize manufacturers improve their operations by optimizing processes, improving quality, and increasing the effectiveness of their equipment.
For more information, visit www.nist.gov/.

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