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25 - 30 January 2025
San Francisco, California, US
Conference 13354 > Paper 13354-14
Paper 13354-14

The need for speed: continuous 3D printing at centimeters-per-second speeds using a lubricated textured membrane

28 January 2025 • 5:15 PM - 5:30 PM PST | Moscone South, Room 201 (Level 2)

Abstract

To transition additive manufacturing from a rapid-prototyping role to at-scale production, commercial resin-based printers have pushed towards 1 meter-per-hour printing speed by synergizing area projection and continuous stage motion. To push this further, we present a continuous 3D-printing method using a lubricated textured membrane – dubbed TEMPO - to achieve a 100-fold improvement in speed over the current state-of-the-art. These high-speeds have elucidated a breakdown in the traditional working curve model, as the speed-accuracy trade-off shifts from supply-limited to reaction limited. The versatility of the lubricant layer allows the user to tailor TEMPO for printing speeds of up to 3 cm/s, resolutions down to 1.76um for freestanding features, and viscous and scattering, high-performance polymers with minimal considerations to the physical limitations of the printing window.

Presenter

Evan Jones
Northwestern Univ. (United States)
Evan Jones graduated with a B.S. in Engineering Physics from the University of New Hampshire in 2019 before working for the U.S. Army's Combat Capabilities Development Command on optical metrology for two years, eventually enrolling at Northwestern University's PhD program for Mechanical Engineering in 2021. There, they have studied the role that optics have in continuous stereolithography 3D-printing techniques and worked to push the boundaries of printing speed, resolution, and versatility through lubricant infused surfaces.
Application tracks: 3D Printing
Presenter/Author
Evan Jones
Northwestern Univ. (United States)
Author
Nanzhu Zhao
Nissan Technical Ctr., North America (United States)
Author
Northwestern Univ. (United States)