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How Saint-Gobain Increased Productivity with Markforged Technology

Here’s an all-too common scenario for manufacturers: A simple customer request for a design change escalates, resulting in hundreds of hours of labor and significant costs to change over a production line to meet the new demands.

That was the situation at a Saint-Gobain plant in North America when a client modified the shape of a weaving bobbin line, setting in motion the need for 400 new spindle adapters to hold the newly designed bobbins in place. Instead of internally machining the replacement spindle adapters, Emmanuel Simadiris — a research engineer at Saint-Gobain Research North America, charged with coming up with technology solutions to support the various plants — sprung into action to see if 3D printing technology from Markforged was up to the task.

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After achieving 100% ROI within six months of purchasing the facility’s Markforged X7 industrial 3D printer, Simadiris began printing the spindle adapters using the X7 in a bid to convince the plant that 3D printing was the best solution to address the design changes.

Simadiris’s case was compelling: it would take roughly 1,200 hours of labor and cost $47,000 in materials and time if the plant were to internally machine replacement parts out of durable nylon. In comparison, the plant could run the Markforged X7 3D printer 24/7 and print each adapter within three hours. Simadiris was able to show that the Markforged X7 would reduce the plant’s lead time by approximately 90 days and reduce costs by 86%.

The spindle adapters would have cost the plant $47,000 to fabricate using traditional methods

And it didn’t stop there. 3D printing the replacement spindle adapters on the Markforged X7 freed up a significant amount of time for the on-site machinists, which was a huge upside for the plant, Simadiris said. “It opened up the machinist’s time to work on other productive tasks,” he explained.

Continuous Fiber Reinforcement

The Markforged X7 3D printer is capable of printing in both Onyx material — a chopped carbon fiber reinforced nylon that is 1.4x stronger than ABS — as well as reinforcing materials such as continuous carbon fiber, Kevlar®, and fiberglass. As a result, it’s a natural replacement for traditional machining practices. Onyx is 1.4 times stronger than ABS materials used in other 3D printers, which means tooling and fixtures produced with a Markforged X7 printer are able to function as well as comparable aluminum tooling, yet be produced at a lower cost. “The Markforged prints in terms of quality are just superior,” said Simadiris.

The 3D printed spindle adapters freed up time for Saint-Gobain's machinists

The X7’s support for continuous fiber reinforcement is what really makes the difference for parts durability, effective tolerances, and the level of surface finishes for 3D printing of custom tooling, fixtures, and molds, according to Simadiris. Simadiris said the Saint-Gobain Research team is intent on educating other areas of its North American business in the benefits of the X7 printer.

Since his success with the plant, Simadiris plans to host internal webinars for senior leaders across Saint-Gobain North America to introduce Markforged technology to others. Simadiris is using the spindle adapters as the prime example — coupled with the company’s compelling ROI — and is encouraging various plant members to come and have a first-hand experience at what the X7 can do.

“The continuous fiber reinforcement opens up a wide range of new applications that were not previously accessible with the technology,” Simadiris says. “We’re going to continue encouraging the use of 3D printing within our plants.”

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