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As 3D Printing for Production Becomes Practical, the Attention in Materials Shifts to Practical Concerns

Recent posts relate to ensuring sufficient materials supply for production, certifying processes for AM materials, and even whether the properties of polymer AM include the ability to hold a screw.

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Varroc’s Dylan Schickel shows 3D printed component within an automotive lighting assembly

Varroc’s Dylan Schickel shows me an automotive lighting assembly and the role 3D printed components will play. See below for links to videos drawn from our conversation.

Dylan Schickel, innovation leader with automotive lighting producer Varroc Lighting Systems, sees bright potential for additive manufacturing (AM) in producing car headlights and taillights. The freedom to make some components of car lights with 3D printing rather than injection molding will let auto designers offer a broader array of lighting options within a single car model. This freedom will be valuable, he says, because “a car’s lights are its bling.” Varroc-made car lighting with 3D printed parts inside will be on the road next year.

Schickel says the advance of AM platforms is only part of what gave Varroc confidence that AM could play a role in production. Just as significant is the commitment materials suppliers have made. Indeed, he thinks a key moment came two years ago when BASF announced the launch of a subsidiary focused on AM. The commitment of such a large materials company made clear to him and others that there ultimately would be enough capacity in materials development and supply to warrant trusting AM for production at scale. And that point illustrates the place to which we’ve now come with materials for AM: the focus on practical concerns.

Previously, the focus has been more on the possibilities: the new material options and chances for material blending additive will bring. Those possibilities are being realized. But the weight of concern in AM today has shifted toward more basic questions, such as: Will the materials supply meet the needs of full production? Can AM materials be applied using controlled and repeatable processes? Various recent articles we’ve posted on materials focus on these basic concerns.

Jabil is perhaps the leading company facing these concerns. This major manufacturer aims to produce just as reliably and effectively in 3D printing as it does in machining and injection molding. It is scaling up 3D printing at various sites around the globe. But a potential vulnerability relates to materials: An interruption in materials supply or the lack of just the right 3D printing polymer for an application could prevent the investment in AM from realizing its promise. Therefore, Jabil established its own development and manufacturing center for materials used in AM — a commitment AM was seen to require that conventional processes do not. Stephanie Hendrixson and I were the first media to see this facility, and her article is one of a series of pieces we’ve posted on production AM at this company.

Then there is the question of developing, proving and deploying repeatable processes for AM materials. Helping to lead this effort for polymers in aerospace is the National Institute for Aviation Research (NIAR), subject of this report by Brent Donaldson.

New material options keep coming, of course. 3D printing with silicon carbide might become a reality and an innovation in 3D printing and moldmaking can deliver intricate AM geometries in any injection-moldable material. But the practical basics are increasingly the focus, including the most practical matter of all: keeping cost down by choosing the material that is most appropriate.

As for Dylan Schickel of Varroc, he has been exploring a production-related question that is basic indeed: Can 3D printed polymer parts hold screws? Watch our conversation in which he discusses his findings.

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