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3D printing key in Schneider Electric’s Industry 4.0 transformation

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European multinational Schneider Electric is currently undergoing a transformation. The company, founded in 1836, is implementing Industry 4.0 technologies and operations across its entire business to increase operational efficiency and reduce customer costs. At its Puente la Reina plant in Navarra, Spain, 3D printing is one of the technologies that is enabling Schneider Electric to transition to a Smart Factory.

The Spanish facility is now utilizing Stratasys‘ FDM 3D printing technology throughout its production process to streamline workflows and improve overall efficiency. The technology has proved especially impactful in improving tooling operations, even leading the site to win the European-wide Smart Factory Schneider Electric competition. The award recognizes the plant’s use of additive manufacturing to improve tooling production, leading to time and costs savings and streamlined supply chains.

Since Schneider Electric acquired a Stratasys F170 3D printer from local distributor Pixel Sistemas, the industrial-grade system has become a workhorse at its Spanish factory, turning out assembly-line tools, jigs, fixtures, robot grippers and other end-of-arm parts. Previously, the production of these parts was outsourced to third party manufacturers and were made using injection molding or CNC machining. By switching to in-house 3D printing, the facility has saved a significant sum. According to the company, the printing unit produces over a hundred production tool designs a year.

Schneider Electric Stratasys
Schneider Electric 3D prints support tool and upper tool of its hand presses

“In the past year, using Stratasys FDM additive manufacturing we’ve achieved a saving of about €20,000 in the production of assembly-line tooling alone, which has easily paid off our original investment in the F170 3D printer,” explained Manuel Otamendi, Industrialization and Maintenance Manager of Global Supply Chain at Schneider Electric’s Puente la Reina plant. “With this technology we’re able to produce new high-performance production tools in just one day, whereas it would have taken at least one week to outsource the same tools previously. This crucially reduces our dependency on suppliers and gives us much more control over tool production, which has increased the overall flexibility of our manufacturing process and accelerated our time-to-market for many products.”

One area where 3D printing has made a significant difference is in the production of robotic grippers for assembly-line robotic arms. The technology is now being used to produce alternatives to more traditional aluminum grippers, which are costly to replace. For instance, a machined gripper ordered from a third party manufacturer would typically cost about €200 per tool. Using 3D printing, the gripper can be replaced for about half that cost.

“It’s not uncommon for aluminum parts of the mold to break when they collide, and when they do, be very expensive to replace,” said Otamendi. “To circumvent this, we are now able to replace costly aluminum grippers for robotic arms with 3D printed alternatives. Not only does the 3D printed tool offer the same mechanical performances as the traditional tool, but importantly it ensures protection of more expensive aluminum parts when the molds collide. Should the 3D printing tool break, we can quickly 3D print a low-cost replacement within hours.”

Schneider Electric Stratasys
3D printed assembly-line tool designed to hold switches during production process. Made from ABS.

With the successful implementation of AM, the Schneider Electric Puente la Reina plant is now investigating other ways in which 3D printing can be used to improve efficiency. Notably, the company is looking beyond tooling applications to the possibility of producing end-use components. Overall, the company believes that AM has an important role to play in its transformation towards Industry 4.0.

Yann Rageul, Director Manufacturing Solutions EMEA at Stratasys, concluded: “As we work our way through the global pandemic, we’ve seen clear indications that additive manufacturing can play a key role in enhancing the traditional supply chain and conventional production lines. As business leaders seek to reoptimize their operations, we expect to see an increase in company’s adopting the technology at a strategic level such as Schneider Electric, who continue to successfully drive digital transformation across the business. Not only does additive manufacturing enable them to increase flexibility within production and reduce dependency on suppliers, but it also opens up the ability to make significant operational efficiencies across product development. While this may be a common objective for most businesses, the impact of COVID-19 has amplified its importance even further.”

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Tess Boissonneault

Tess Boissonneault is a Montreal-based content writer and editor with five years of experience covering the additive manufacturing world. She has a particular interest in amplifying the voices of women working within the industry and is an avid follower of the ever-evolving AM sector. Tess holds a master's degree in Media Studies from the University of Amsterdam.

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