Hangprinter for large scale additive manufacturing using fused particle fabrication with recycled plastic and continuous feeding

Rattan, Ravneet S.; Nauta, Nathan; Romani, Alessia; Pearc, Joshua M.

doi:10.1016/j.ohx.2023.e00401

Cited by 12 publications

(9 citation statements)

References 70 publications

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“…State-of-the-art advancements include the development of large-format 3D printers capable of printing entire buildings or large aerospace components from specialized materials, ranging from concrete and metals to composite polymers. This technology offers the potential for increased customization, reduced waste, and accelerated construction times [133]. However, challenges persist, including the need for improved mechanical properties of printed materials, the scaling up of printing processes without compromising precision or material properties, and the integration of large-scale 3D printing into existing manufacturing and construction ecosystems.…”

Section: Large-scale 3d Printingmentioning

confidence: 99%

Additive Manufacturing: A Comprehensive Review

Zhou,

Miller,

Vezza

et al. 2024

Sensors

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Additive manufacturing has revolutionized manufacturing across a spectrum of industries by enabling the production of complex geometries with unparalleled customization and reduced waste. Beginning as a rapid prototyping tool, additive manufacturing has matured into a comprehensive manufacturing solution, embracing a wide range of materials, such as polymers, metals, ceramics, and composites. This paper delves into the workflow of additive manufacturing, encompassing design, modeling, slicing, printing, and post-processing. Various additive manufacturing technologies are explored, including material extrusion, VAT polymerization, material jetting, binder jetting, selective laser sintering, selective laser melting, direct metal laser sintering, electron beam melting, multi-jet fusion, direct energy deposition, carbon fiber reinforced, laminated object manufacturing, and more, discussing their principles, advantages, disadvantages, material compatibilities, applications, and developing trends. Additionally, the future of additive manufacturing is projected, highlighting potential advancements in 3D bioprinting, 3D food printing, large-scale 3D printing, 4D printing, and AI-based additive manufacturing. This comprehensive survey aims to underscore the transformative impact of additive manufacturing on global manufacturing, emphasizing ongoing challenges and the promising horizon of innovations that could further elevate its role in the manufacturing revolution.

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Section: Large-scale 3d Printingmentioning

confidence: 99%

Additive Manufacturing: A Comprehensive Review

Zhou,

Miller,

Vezza

et al. 2024

Sensors

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show abstract

“…First, a large format open source 3-D printer could be used to print the entire structural frame in a single print. If the large format printer was also a waste plastic fused granular fabrication (FGF)-based 3-D printer (cartesian [54] , delta [55] , or hang printer [56] , [57] ) the costs of the system could be reduced further by about 10% as recycled PETG particles could be used instead of filament. For example, the bottle roller could be fabricated by waste plastic PET water bottles [58] .…”

Section: Future Workmentioning

confidence: 99%

Open source scientific bottle roller

Mottaghi¹,

Bai²,

Kulkarni³

et al. 2023

HardwareX

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“…With appropriate testing, PC sand composite can also be used as a sustainably sourced material for construction applications. Moreover, with developments in distributed recycling and additive manufacturing (DRAM) [41], PC sand composite can be: i) 3D printed using a large format 3D printer with a high flow extruder [42,43], ii) made into bricks and pick-and-placed [44][45][46][47] or iii) extruded into molds [48]. Further, recycled plastic aggregates can also be used in mortars.…”

Section: Applicationsmentioning

confidence: 99%

The Potential of Replacing Concrete with Sand and Recycled Polycarbonate Composites: Compressive Strength Testing

Woods¹,

Kulkarni²,

Pearce³

2023

Preprint

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Concrete contributes 8% of all global carbon emissions making the need to find substitute critical for environmental sustainability. Research has indicated the potential for recycled plastics to be used as concrete substitutes. This study extends existing research by investigating the use of polycarbonate (PC) in plastic sand bricks as a mechanical equivalent to concrete. PC has high compressive strength, durability, impact strength, thermal resistivity, clarity, fatigue resistance, and UV resistance. This work provides a method and mold to produce a matrix of sand-plastic sample compositions with dimensions adhering to ASTM D695 standard for compressive properties of rigid-plastic. Compositions of 0% (control), 20%, 30%, 40%, and 50% sand by weight were tested. Samples were tested for compressive strength until yield and stress-strain behaviors plotted. The results for 100% PC demonstrated an average and maximum compressive strength of 71 MPa and 72 MPa, respectively. The 50% PC and 50% sand composition yielded an average and maximum compressive strength of 71 MPa and 73 MPa respectively with an increase in compressive stiffness, and transition to shear failure resembling cement. With a composite density of 1.86 g/cm3 against concrete’s average 2.4 g/cm3, and a compressive strength exceeding commercial concrete demands of 23.3 MPa to 30.2 MPa, this lightweight alternative meets the strength demands of concrete, reduces the need for new construction materials, and provides an additional recycling opportunity for nonbiodegradable waste plastic.

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Hangprinter for large scale additive manufacturing using fused particle fabrication with recycled plastic and continuous feeding

Cited by 12 publications

References 70 publications

Additive Manufacturing: A Comprehensive Review

Additive Manufacturing: A Comprehensive Review

Open source scientific bottle roller

The Potential of Replacing Concrete with Sand and Recycled Polycarbonate Composites: Compressive Strength Testing

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