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Delphi How Carbon 3D Printer Works


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Delphi is printing parts out of a liquid polymer bath, using a process created by Carbon, a Redwood, Calif. company. This new 3D printing process makes complex shapes that can’t be made by mold injection and the parts are stronger, yet lighter. A special window allows light and oxygen to pass through. The light turns liquid plastic into a solid. The oxygen inhibits resin from solidifying and sticking to the window. Delphi is installing a number of parts made from this unique 3D printing process, including this connector, into a fleet of 25 cars in Warren, Ohio for durability testing. Delphi is seriously looking at mass producing parts from this unique 3D process.

Bruce

2023 Cadillac CT4-V Blackwing

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http://carbon3d.com/

Carbon works at the intersection of hardware, software, and molecular science. Our vision is a future fabricated with light, where traceable, final-quality parts are produced at scale with CLIP technology. CLIP — Continuous Liquid Interface Production — makes this vision possible by combining engineering­-grade materials with exceptional resolution and surface finish.

Harnessing light and oxygen to produce objects from a pool of resin, CLIP is a photochemical process that eliminates the shortcomings of conventional 3D printing by harnessing light and oxygen to rapidly produce objects from a pool of resin. From everyday products like tennis shoes and electronics, to industrial components, to highly customizable medical devices, CLIP makes it possible for creators to design the parts and products of the future.

Bruce

2023 Cadillac CT4-V Blackwing

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Ford Motor Company on the Road to 3D Manufacturing

Jun 22 2015

More than a century ago, Ford Motor Company’s iconic Model T made automobiles affordable to the masses with assembly line production and efficient manufacturing. That legacy has continued, with ground-breaking research to design and develop the future of mobility and manufacturing.

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The company recently developed a dedicated additive manufacturing research program to explore the potential of new technologies, not just for the rapid development of functional prototypes but also to manufacture final parts that will eventually hit the road. “If we can shave months off of production time and get a new model onto the market earlier, we can save millions,” said Ellen Lee, team leader in additive manufacturing research at Ford.

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To date, key challenges have stood in the way of 3D printing becoming a manufacturing tool for the automaker. The first issue is a fundamental one — conventional 3D printing technologies make parts layer-by-layer, slowly crafting one layer at a time, creating parts that aren’t nearly as robust as those stamped or injection molded. While the slow speed of this process is a major drawback, the bigger problem is that the parts produced are not isotropic and not durable enough to be used in production vehicles.

In addition, most parts used in vehicles today must withstand temperature extremes from the hottest desert to the coldest Arctic environments and still maintain their integrity. With only a handful of stock materials available for 3D printers, meeting the automaker’s unique demands has not been possible.

In 2014, Carbon demonstrated Continuous Liquid Interface Production technology (CLIP) to Ford’s additive manufacturing group. “It was really exciting to see the resulting mechanical properties. There were a lot of things we saw in the technology that would address the main challenges, and we decided to investigate,” Lee said. The team was eager to join Carbon’s early access program and begin using one of the devices. Ford has been working with a pre-release version of Carbon’s first device to evaluate its ability to produce commercial-quality polymeric parts by unlocking mechanical properties unattainable with any other 3D printing technology.

We’re thrilled. The parts we’ve tested are strong in all directions, just like injection molded parts. That’s the target we’ve been chasing after for decades.

Bruce

2023 Cadillac CT4-V Blackwing

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Ford has already used the CLIP-based device to grow elastomer grommets for the Focus Electric and test them against those made by traditional 3D printing methods. The soft but sturdy grommets are designed to protect wiring on the inside of the door from being damaged when the door opens and closes. The Ford team used CLIP to produce the grommets in less than a third of the time and with material properties much closer to the final properties desired for the part. In a similar project, several alternative designs were evaluated for a damping bumper part on the Ford Transit Connect. The game-changing manufacturing time of the CLIP process allowed engineers to make design iterations much more quickly than with traditional methods.










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Most recently, Ford needed to address a major engineering issue that arose after placing a V8 engine into a new vehicle body design. The vehicle’s design created an unreachable oil filler cap because the engine sat lower and farther back under the hood. The product engineering team realized the opportunity to quickly address the issue using Carbon’s CLIP based device. The team was able to rapidly design, prototype and manufacture an oil connector using rigid polyurethane and elastomer materials to access the oil fill tube without needing major redesigns to several components of the vehicle.














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When it comes to realizing Ford’s ambitions to use additive manufacturing as a manufacturing technology, nothing is more important than having the right materials. Thanks to Carbon’s commitment to polymer chemistry and the unique advantages CLIP technology has to support an incredibly broad range of materials, Ford has been able to significantly expand their own materials research efforts. To date, the team has tested several materials, including resins reinforced with nano-sized particles and is eager to further investigate resin modifications for improved mechanical properties and consider the creation of thermally and electrically conductive materials for future vehicle applications.






“Carbon’s CLIP technology is allowing our engineers to shorten their design iteration time and reach a final-part more quickly, which is exciting because it means higher quality and more cost effective products for our customers,” explained Lee.



















Bruce

2023 Cadillac CT4-V Blackwing

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