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Printing Free-Form Free-Standing Glass Structures

[+] Author Affiliations
Bret Curtis, Daniel Peters, John Hostetler, Robert Landers, Douglas Bristow, Edward C. Kinzel

Missouri University of Science and Technology, Rolla, MO

Paper No. MSEC2018-6677, pp. V001T01A016; 5 pages
doi:10.1115/MSEC2018-6677
From:
  • ASME 2018 13th International Manufacturing Science and Engineering Conference
  • Volume 1: Additive Manufacturing; Bio and Sustainable Manufacturing
  • College Station, Texas, USA, June 18–22, 2018
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5135-7
  • Copyright © 2018 by ASME

abstract

Transparent, bubble-free glass structures can be printed using a filament-fed, laser-heated additive manufacturing process. In this process, a stationary CO2 laser beam is focused at the intersection of the filament and workpiece to locally heat the glass above its working temperature. Glass enters the molten region and is deposited on the workpiece as the workpiece is translated/rotated using a 4-axis stage. This paper studies creating free-form, free-standing objects which is facilitated by the glass rapidly achieving structural rigidity as it cools upon exiting the molten region. The effects of the process parameters and printing techniques are examined and optimized to print simple wall and truss structures.

Copyright © 2018 by ASME
Topics: Glass , Printing

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