NASA's strategic goal is to put humans on Mars in the 2030s. The NASA Human Spaceflight Architecture Team (HAT) and NASA Mars Design Reference Architecture (DRA) 5.0 has determined that in-situ resource utilization (ISRU) is an essential technology to accomplish this mission. Additive construction technology using in-situ materials from planetary surfaces will reduce launch mass, allow structures to be three dimensionally (3D) printed on demand, and will allow building designs to be transmitted digitally from Earth and printed in space. This will ultimately lead to elimination of reliance on structural materials launched from Earth (zero launch mass of construction consumables). The zero launch mass (ZLM) 3D print head project addressed this need by developing a system that 3D prints using a mixture of in-situ regolith and polymer as feedstock, determining the optimum mixture ratio and regolith particle size distribution, developing software to convert g-code into motion instructions for a FANUC robotic arm, printing test samples, performing materials testing, and printing a reduced scale habitable structure concept. This paper will focus on the ZLM 3D Print Head design, materials selection, software development, and lessons learned from operating the system in the NASA KSC Swamp Works Granular Mechanics & Regolith Operations (GMRO) Laboratory.


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    Titel :

    Zero Launch Mass Three Dimensional Print Head


    Beteiligte:
    Mueller, Robert (Autor:in) / Gelino, Nathan (Autor:in) / Smith, Drew (Autor:in) / Buckles, Bradley C. (Autor:in) / Lippit, Thomas (Autor:in) / Schuler, Jason M. (Autor:in) / Nick, Andrew J. (Autor:in) / Nugent, Matthew W. (Autor:in) / Townsend, Ivan I. (Autor:in)

    Kongress:

    ASCE Earth and Space Conference ; 2018 ; Cleveland, OH, United States


    Erscheinungsdatum :

    2018-04-09


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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