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3D Printing the Mid Engined Corvette Zora

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  • 3D Printing the Mid Engined Corvette Zora



    I'm very interested in Team Corvette's usage of utilizing 3D printing to prototype complex parts before the actual confirmed designs are approved. Formula 1 utilizes 3D printing heavily for prototyping already. How would the Corvette engineering team develop new part designs or would they still be done with any conventional pattern making processes? The new GM engines look very hi-tech with all sorts of precision cast components and I assume Corvette leading the way will also have these precision standards going forward. I do believe the new Zora will have a lot of this tech going forward but welcome this forums comments on the subject.

  • #2
    I am with you. This “lightweighting video” is one of the most informative ones I have ever seen — especially as we know GM is not just considering such technology, but is already using it. First an article on 3D printing. Would it not be terrific if the entry ME was 50+ pounds lighter than an entry C7.

    One GM top level manager pointed out that lightweight parts woud be capable of happening in high end motorsports vehicles sometime next year. F

    Originally Posted by 3ders.org
    GM’s director of additive design and manufacturing, Kevin Quinn, has predicted that 3D printed parts will be appearing in the company’s high-end motorsports vehicles by sometime next year. Repeatability and robustness are currently the main issues that are holding the technology back from final-phase production applications on a larger scale. Within five years, GM is hoping to produce thousands or even tens of thousands of parts for mass production, as the technology continues to improve. "That is our panacea," said Quinn. "That’s what we want to get to."

    Other automotive manufacturers, such as BMW and GM’s major U.S. competitor Ford, have been taking advantage of what 3D printing has to offer, with 3D printed tools and 3D printed prototypes becoming increasingly widespread. Ford is now in the process of testing lightweight 3D printed parts for mass production.

    http://www.3ders.org/articles/201805...-vehicles.html

    I have watched this 2 minute video more than five times. I believe you will be equally fascinated.

    https://video.marketing.gm.com/10508...-weighting.mp4

    GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 22 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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    • #3
      More on GM’s light weighting program:


      Originally posted by Media.GM
      General Motors is using new, advanced software design technology to introduce the next generation of vehicle lightweighting. The technology is key to developing efficient and lighter alternative propulsion and zero emission vehicles.

      GM is the first automaker in North America to use new generative design software technology from Bay Area-based software company Autodesk. It uses cloud computing and AI-based algorithms to rapidly explore multiple permutations of a part design, generating hundreds of high-performance, often organic-looking geometric design options based on goals and parameters set by the user, such as weight, strength, material choice, fabrication method, and more. The user then determines the best part design option.

      “This disruptive technology provides tremendous advancements in how we can design and develop components for our future vehicles to make them lighter and more efficient, said GM Vice President Ken Kelzer, Global Vehicle Components and Subsystems. “When we pair the design technology with manufacturing advancements such as 3D printing, our approach to vehicle development is completely transformed and is fundamentally different to co-create with the computer in ways we simply couldn’t have imagined before.”

      GM is leading the industry into the next phase of vehicle lightweighting. The new design technology provides significantly more vehicle mass reduction and parts consolidation opportunities that cannot be achieved through traditional design optimization methods.

      GM is utilizing the innovative technology on future product designs. GM and Autodesk engineers have applied this new technology to produce a proof-of-concept part – a seat bracket – that is 40 percent lighter and 20 percent stronger than the original part. It also consolidates eight different components into one 3D-printed part.

      As part of a multi-year alliance focused on innovation, GM and Autodesk will collaborate on projects involving generative design, additive manufacturing, and materials science. Executives and engineers from the two companies will participate in a series of onsite engagements to exchange ideas, learnings, and expertise. GM also has on-demand access to Autodesk’s full portfolio of software and technical specialists.

      “Generative design is the future of manufacturing, and GM is a pioneer in using it to lightweight their future vehicles,” said Scott Reese, Autodesk Senior Vice President for Manufacturing and Construction Products. “Generative technologies fundamentally change how engineering work is done because the manufacturing process is built into design options from the start. GM engineers will be able to explore hundreds of ready-to-be-manufactured, high-performance design options faster than they were able to validate a single design the old way.”

      GM has been a leading end-user and innovator in additive manufacturing. For more than three decades, GM has used 3D printing to create three-dimensional parts directly from digital data through successive addition of layers of material. GM possessed the first and has some of the auto industry’s most comprehensive 3D printing capabilities in the world with more than 50 rapid prototype machines that have produced more than 250,000 prototype parts over the last decade.

      Since 2016, GM has launched 14 new vehicle models with a total mass reduction of more than 5,000 lbs., or more than 350 pounds per vehicle. Most of the weight reduction are a result of material and technology advancements. Of those models, more than half of the vehicles shed 300-pounds or more including the all-new 2019 Chevrolet Silverado, which reduced mass by up to 450-pounds.

      Eliminating mass in parts where material is not required for performance combined with parts consolidation yields benefits for vehicle owners including the potential for more interior space and vehicle content, increased range, and enhanced vehicle performance. It also paves the way for new features for customers and provides vehicle designers a canvas on which to explore designs and shapes not seen today.
      http://media.gm.com/media/us/en/gm/h...weighting.html





      GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 22 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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      • #4
        Lastly, using the above procedures outlined in the above few posts, GM is able to start down the path of not only computer-figuring the most efficient part, but one when printed on a 3D printer, can be up to 40% stronger and lighter, and it avoids the complexities as shown in the picture of making several parts, having them welded together — instead using the 3D printer to make a single part instead of what previous/currently required 8 parts to do. And what might this strange look part be? This unusual picture is of a folding seat hanger as you might find in a second or third row of an SUV.

        Click image for larger version  Name:	C92D1673-820D-455A-8AD3-7A5A0EC403A0.jpeg Views:	1 Size:	2.37 MB ID:	1022
        GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 22 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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