Virtually better

Virtually Better

As technology advances, cutting time to market for new products is critical. Computerized design and virtual simulations are key to accelerating the engineering process and optimizing production.
5 min

Utilized for more than 70 years, simulation methods are now essential tools in product development and industrialization.

 

“Simulation is no longer about the generation of colorful animations as it tended to be in its early days. Computerized design and manufacturing simulation methods are integral in achieving better performing, lower cost and more sustainable solutions that often exceed the expectations of our customers,” says Konrad Saur, Vice President for Innovation and Technology at Trelleborg, who heads up a team of sealing experts based in Trelleborg’s research and development facility in Stuttgart, Germany. 

 

What are the main customer priorities for product design?
“As always, customers want cost-effective high-quality solutions with outstanding performance and longevity,” says Martin Wolf, an engineer for custom products. “Today though, speed to market is also vital.”

 

This is where computerized modelling comes into its own.

 

“Although simulation and virtual design can be the lengthiest part of the design process, it saves numerous different prototype designs, or iterations, as well as cost. So, it is worth it,” says Wolf. 

 

Trelleborg uses Finite Element Analysis, or FEA, to develop all its new products. This predicts how a product will react to real-world forces, vibration, heat, fluid flow and other physical conditions, for example.

 

“FEA helps engineers like me identify potential areas of concern from the very start of a product’s design phase,” says technology engineer Monica Crudu. 

Konrad Saur Monica Crudu and Martin Wolf
Konrad Saur, Monica Crudu and Martin Wolf from Trelleborg.

Wolf points out that all design engineers at Trelleborg are also FEA engineers. “This is great as we can directly simulate our own designs and do quick iterations without waiting for a specialized FEA engineer to do calculations,” he says.

 

Beside virtual design methods like FEA, Trelleborg performs other types of computerized simulations in the manufacturing stage. “We use Sigmasoft Moldflow to optimize material choice, process settings, cooling efficiency and designs for feed systems that take molten plastic to the mold in injection molding equipment,” says Crudu. “This gives us the best component quality and allows for virtual troubleshooting of potential production issues.”

 

“Such product simulations allow us to anticipate manufacturing challenges, assess manufacturability and ensure the suitability of a chosen production method,” adds Wolf. “So virtual engineering not only accelerates the design stage, it also shortens the time it takes from prototyping to full serial production.”

 

What is the future of virtual engineering and simulation?
“We see the increased use of artificial intelligence in the short and medium term to virtually optimize product designs,” says Saur.

 

He adds that advanced computational capabilities and precise virtual material models are key to the success of Trelleborg’s innovations. “Our in-house expertise gives our simulations a huge advantage in terms of their accuracy.”

 

Virtual engineering is also important for sustainable and circular design, an increasing requirement from Trelleborg’s customers. “Simulation can ensure optimal performance with minimal material use and best possible seal life, as well as optimized wear and ­friction. All of these contribute to a better and more sustainable product for our customers,” concludes Saur. 

Konrad Saur

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Konrad Saur
Article published July 1, 2024

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