MIT researchers have achieved a significant breakthrough in 3D printing by developing a platform capable of producing a fully functioning electric linear motor within approximately three hours, using only 50 cents worth of materials. This advancement represents a critical step towards the potential future of 3D-printed vehicles.
The new 3D printing technology allows for the fabrication of complex electric machines, as explained in a study published in Virtual and Physical Prototyping. The printer can switch between four different tools while printing, enabling it to produce all key components of an electric motor simultaneously on one platform. In their demonstration, a complete electric linear motor was fabricated in this manner.
Unlike more complex rotating motors traditionally used in vehicles, linear motors generate motion in a straight line and are often employed in optical systems and robotics. The research team emphasizes that while this technology is still far from mimicking the intricacy of car engines, it marks significant progress towards that goal.
Dr. Luis Fernando Velásquez-García, one of the authors of the research, highlighted the transformative potential of this technology. He stated, "This is a great feat, but it is just the beginning. We have an opportunity to fundamentally change the way things are made by making hardware on-site in one step, rather than relying on a global supply chain."
Furthermore, the 3D-printed motor has comparable performance to traditional motors manufactured through more complex means, which typically range in cost from $300 to $800 for electric linear motors, and can exceed $3,500 for rotary motors.
The research team plans to advance this technology further by transitioning from linear to rotary motors found in cars and aims to develop the ability to 3D print more complex electronics essential for vehicle subsystems and medical devices. This technology could enable the assembly of cars directly from downloaded designs, moving one step closer to realizing a vision that has long seemed like science fiction.
For more information on this breakthrough, visit the MIT News article on the subject.