TRUMPF and Elementum 3D Solve INTENSE Cycles' Redesign Challenge

ERIE, Colo. and FARMINGTON, Conn. and TEMECULA, Calif., Feb. 13, 2024 — (PRNewswire) —

Reimagining and improving the iconic INTENSE M1 downhill bike's suspension required additive manufacturing to produce its new central "backbone" bottom bracket/suspension foundation

ERIE, Colo. and FARMINGTON, Conn. and TEMECULA, Calif., Feb. 13, 2024 /PRNewswire-PRWeb/ --  Elementum 3D, a leading developer and supplier of metal additive manufacturing (AM) advanced materials, print parameters, and services, is pleased to share that, working with  TRUMPF Inc., its A6061-RAM2 alloy enabled a redesigned, additively manufactured "backbone" for  INTENSE Cycles' re-visioning of its legendary M1 downhill race bike. Competition between mountain bike manufacturers is just as extreme as among professional downhill riders racing to get down the course first. The bicycle industry is increasingly exploring the use of additive manufacturing (AM), or 3D metal printing, to prototype and print groundbreaking production parts.

"I work and 'think' in aluminum, so AM opens a new world of creative opportunities for me and my team. We say INTENSE merges artistry and engineering, and I am no longer limited to metal sheets and tubes. I have the freedom to create almost any shape I want."

INTENSE has been a bicycle industry and downhill bike leader for three decades, producing high-end carbon fiber and aluminum rides proven on the race circuit and coveted by riders at all levels of the sport. The company's drive to keep improving its products and help its team compete in the most elite races has led to its adoption of additive manufacturing technology.

INTENSE Founder and CEO  Jeff Steber is a designer, artist, and craftsman with a hands-on approach. He's enthusiastic about integrating AM into bike frame and part production. "I work and 'think' in aluminum, so AM opens a new world of creative opportunities for me and my team," he said. "We say INTENSE merges artistry and engineering, and I am no longer limited to metal sheets and tubes. I have the freedom to create almost any shape I want."

To reconceive the M1 downhill bike, a model that has edged other riders and their sponsors off the winners' podium since the mid 1990s, Steber's team planned to design and produce the M1's backbone from one piece of 6061 Aluminum. The part and the material are critical to optimizing the bike's suspension performance. The innovative new design incorporates internal ribbing to make it stronger and lighter; but this made it impossible to create using traditional machining techniques.

That naturally led the INTENSE production team to AM. They partnered with TRUMPF, which makes a broad range of manufacturing solutions, including  3D printers. The keys for INTENSE were TRUMPF's experience printing bicycle parts and that it could print parts using weldable 6061 aluminum – Elementum 3D's A6061-RAM2 – the same alloy INTENSE already used for its aluminum frames.

The first backbone designs were not ideal for printing, so TRUMPF advised INTENSE engineers on removing low-angle overhangs to improve printability. TRUMPF's updated build processor, "TruTops Print," increased downskin printability from 45° to 25° so the backbone printed with much less overhang-supporting material, reducing the chance for errors, material use, and post-processing effort.

TRUMPF contacted Elementum 3D for delivery of its A6061-RAM2 feedstock material. Delivery and finalizing technical details were completed faster than expected, allowing TRUMPF to immediately confirm the powder performed well with their existing infrastructure. It convinced INTENSE A6061-RAM2 was well-suited for in-house bike frame prototyping because it is easily welded and heat treated with other frame parts, including thin-wall tubing.

Christian Lengwenat, TRUMPF application engineer for metal 3D printing, was pleased with Elementum 3D's involvement, stating, "Elementum 3D is professional and responds quickly. It's comforting to work with a reliable, friendly group. Their advanced material properties and surface finish exceeded our expectations, and we plan to use more Elementum 3D powders in our machines."

From the first test build, INTENSE appreciated A6061-RAM2's weldability, finding it exactly like working with billet-machined 6061, with no porosity or contamination issues. TRUMPF liked the predictable processability, which enabled developing a working print parameter in two weeks and required printing just two DOEs (designs of experiments) to reach the material's expected relative density value.

Both companies found A6061-RAM2 ideal for this project, particularly given the printed parts' surface finish and accuracy. After the backbone was welded to the frame it was nearly impossible to determine which parts were printed, machined, or forged.

Steber remarked, "I'm thankful for the great work TRUMPF and Elementum 3D provided. Their guidance and expertise played a critical role in successfully producing our new M1. I am happy to report the M1 finished 2nd at the  2023 UCI Cycling World Championships."

Based on this project and the bike's performance, INTENSE is ramping up M1 production for consumers, and plans to incorporate AM into future prototyping projects and other production parts.

About INTENSE Cycles

INTENSE is a leading manufacturer and designer of high-end, full-suspension mountain bikes. The company's story is one of passion, innovation, and creativity. In the early 1990s a young thrill-seeker from Ohio decided to head out west to chase his California dream… that person was INTENSE founder and CEO Jeff Steber, a designer, artist, and craftsman with a hands-on approach and a drive to make things better. Founded in Lake Elsinore, CA, in 1993 and crafted with more than 30 years of racing heritage, INTENSE mountain bikes have been crafted to inspire confident riding on striking designs. Early on Jeff sculpted and welded aluminum frames in his garage creating bikes that went on to set the competitive cycling world on fire. The legendary M1 and racing success was soon to follow, and the rest, as they say, is history. From World Cup downhill races to your first trail ride, experience the INTENSE difference.

About Trumpf Inc.

TRUMPF Inc. is the North American subsidiary of  TRUMPF SE + Co. KG, based near Stuttgart, Germany. The TRUMPF Group is a world leader in sheet metal fabrication machinery and industrial lasers. TRUMPF's North American headquarters is located in Farmington, CT. "Trusting in brave ideas" – this is our promise to everyone who works for us. As a family business, we decide long-term and provide our people with the trust and stability needed to bring their ideas to fruition, even the unconventional ones. Being a market and technology leader in machine tools and lasers, we courageously shape the networked manufacturing of tomorrow, meeting every challenge with bold, fresh thinking.

About Elementum 3D, Inc.

Elementum 3D specializes in materials and process development and creating advanced metal alloys and metal ceramic composites. Elementum 3D developed and patented its reactive additive manufacturing (RAM) materials technology, enabling high-performance materials printing which has not been previously possible. The company has several novel feedstock powders with printing parameters available for purchase, and it excels in developing custom materials tailored for specific applications. Elementum3D provides the materials freedom to help companies around the world in their quest to increase product strength, durability, and performance, while reducing weight and cost. Find and follow Elementum 3D on   Facebook, Twitter, LinkedIn, and YouTube.

Media Contact

Patrick Callard, Elementum 3D, 1 720-545-9016 37, Email Contact, https://www.elementum3d.com/

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