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Robotic welding arm used to 3D print a stainless steel bike

by • February 2, 2016 • No Comments

On the other hand they’re yet far of being common, 3D-printed metal bicycle frames do now exist. Usually they’re made via a sintering system, in which a laser is used to selectively melt steel powder, assembling it up in successive layers. Now, yet, a team of students at the Delft University of Technology (TU Delft) in the Netherlands has taken another approach – they’ve made the world’s initially stainless steel bike made via a welding-based 3D-printing technique.

  • The Arc Bicycle team
  • A detail of the Arc Bicycle
  • A detail of the Arc Bicycle
  • A detail of the Arc Bicycle

The students worked with Amsterdam-based company MX3D, which helped bring us the Mataerial 3D printing device in 2013. Unlike traditional 3D printing devices, which create up objects horizontally on a flat stage, the Mataerial uses a robotic arm to extrude resin onto horizontal or vertical surfaces. Those columns of resin can be curved and linked together as they’re being extruded, rapidly hardening into modern art-like creates.

More not long ago, MX3D made a option which “prints” in welded metal. It starts by laying down a blob of molten metal, and so adds another blob on top of it once it is actually hardened, and continues which system until it is actually made an entire metal column. By controlling the point in space at which the welds are made, it is actually possible to control the orientation of the columns, actually getting them to interlace with one another. No supporting materials are needed, and really sizeable structures can be made.

MX3D is may already via the technique to create a pedestrian bridge, but it approached TU Delft of the possibility of doing a thing else to demonstrate the future of the innovation. The bike was the outcome. Its frame was created in several main sections, which were and so welded to one another by hand.

Called the Arc Bicycle, the finished product is claimed to weigh of as much as a traditional steel-framed bike, and is fully capable of being ridden on rocky cobblestone streets.

“It was significant for us to create a functional object which individuals use everyday,” says team member Stef de Groot. “Being students in the Netherlands, a bicycle naturally came to mind. A bicycle frame is a great test for the innovation for the reason of the complicated forces involved.”

The Arc Bicycle can be seen in action – and being made – in the video at a lower place.

Sources: TU Delft, MX3D

  • The finished product is claimed to weigh of as much as a traditional steel-framed bike
  • The ***** is fully capable of being ridden on rocky cobblestone streets
  • A detail of the Arc Bicycle
  • A detail of the Arc Bicycle

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