Industrial Additive ManufacturingMaritime Industry

Wärtsilä WHAM prepares to 3D print critical engine parts

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WHAM, the Wärtsilä Hub for Additive Manufacturing, is now using 3D printing to create a critical metal component for Wärtsilä engines that has been successfully tested at full output. Work has been done in partnership with global engineering company Etteplan, and the success of the testing clearly demonstrates that 3D printing is ready for a wider range of applications in the marine industry.

“We were confident enough to put the part in the engine and the results spoke for themselves – the engine always tells the truth,” said Andreas Hjort, General Manager, Smart Design. “The design freedom of 3D printing is opening up a number of opportunities to add value, in terms of both new products and improving the performance of existing ones.”

3D leaders of the future

“This project has proved the power of network thinking and an ecosystem approach,” explained Giuseppe Saragò, Director in STH Manufacturing Excellence at Wärtsilä. ”Resources from different countries, 3D printer assets in our network—EOS in Finland, AMEXCI in Sweden and Additive FVG in Italy—and partners like Etteplan all had different roles and involvement at various stages of the journey, but we were all committed to the final goal. Transparency has been crucial and partnering with a network has enabled us to make quantum leaps in leveraging 3D printing. This work has also triggered some interesting and innovative new R&D projects that will once again benefit from our network, connecting several universities in Europe, partners like Etteplan and our internal resources so that expertise is shared both within our company and at an ecosystem level.”

In addition to their multinational cooperation, Etteplan and Wärtsilä are both parts of a new industrial ecosystem focusing on bringing together Finnish players in the 3D printing field. The Finnish Additive Manufacturing Ecosystem (FAME) is made up of more than 20 companies as founding members, with the aim of supporting Finland’s trajectory to becoming a world-leading country for 3D printing utilization, sales and know-how, with 5% of the global printing market by 2030.

“Increasing the amount of 3D printing will reduce energy use and emissions, taking global manufacturing in a far more sustainable direction,” says Raukola. “WHAM has been at the forefront of this trend and it is our aim to continue to bring our customers ground-breaking, customized 3D printed parts that save money, reduce lead times and remove the requirements for warehousing and transport. If this sounds like something you could benefit from, do not hesitate to get in touch with us.”

Wärtsilä WHAM

Spearheading the 3D trend

WHAM has been using 3D printing on a small scale for some years now, making it a pioneer in the marine industry’s 3D printing trend. The team has plastic, carbon and metal printers in its facilities and they’re available to anyone in the company that can make use of them, widening the potential for innovation.

Recognizing the extensive opportunities that 3D printing offers, in 2018 WHAM began developing a regional ecosystem by cooperating with local universities. This collaboration led to a series of lectures and visits that introduced basic 3D printing technology to students, inspiring undergraduates with the goal of bringing new talent and growth to the industry. The long-term aim was to make Vaasa, where the majority of Wärtsilä’s engine design takes place, a world-class 3D printing centre, combining the skills of the industry with new academic excellence.

Having 3D printing expertise in close proximity with engine design expertise also promises to accelerate innovation. “When you’re looking at a new component for an engine and trying to figure out if 3D metal printing could be the ticket, you can just go next door and push the boundaries of what is possible,” Juho Raukola, Innovation Expert at Wärtsilä explained.

The first notable success of WHAM came in 2019, with the 3D redesign of a composite lifting tool for heavy engine parts. Traditionally lifting tools are manufactured from solid steel, which is expensive and time-consuming to work with, not to mention heavy and difficult to transport. “There was some skepticism in the marketplace as to whether 3D printing could ever produce components that would be strong enough for heavy-duty engine parts,” pointed out Hjort, “But our research and testing proved beyond a shadow of a doubt that the material is not an obstacle – in fact, 3D printing offers far more opportunities than restrictions.”

The new 3D printed lifting tool was lighter, more compact and easier to use – and also saved up to 100,000 euros in tooling costs. It also performed perfectly, lifting a 240-kilogram engine piston on the first attempt and offering a staggering maximum capacity of 960 kilograms without deformation. Testing was carried out with the help of international certification agency Bureau Veritas, resulting in it becoming the world’s first 3D-printed CE-certified lifting tool. Local production of the tool replaced logistics chains and factory production, reducing waste and pollution and removing the wait while tools are fabricated by third-party suppliers.

 

Research 2021
Metal AM Market Opportunities and Trends

This market study from 3dpbm Research provides an in-depth analysis and forecast of the three core segments...

Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based 3dpbm. Today the company publishes the leading news and insights websites 3D Printing Media Network and Replicatore, as well as 3D Printing Business Directory, the largest global directory of companies in the additive manufacturing industry.

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