Toolpath allocation and scheduling for concurrent fused filament fabrication with multiple extruders

Yu, Jingui; Pierson, Harry A.; Liao, Haitao

doi:10.1080/24725854.2017.1374582

Cited by 32 publications

(11 citation statements)

References 29 publications

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“…Some interesting implemented AM flowcharts and algorithms are presented in this section [ 92 , 93 , 94 , 95 , 96 ]. In research [ 92 ], the design methodology for the smart metallic additive manufacturing system (s-AMS) was studied.…”

Section: Some Important Am Flowcharts and Algorithmsmentioning

confidence: 99%

“…Issues, obstacles, and potential directions for the understanding of fully printed lightweight UAVs with desired features have been highlighted [ 93 ]. Machines and certain AM processes are associated with certain forms, types, and states of materials [ 94 , 95 , 96 , 97 ]. The versatile design of AM techniques allows for fast manufacturing without requiring significant changes to the manufacturing setup.…”

Section: Some Important Am Flowcharts and Algorithmsmentioning

confidence: 99%

“…The concurrent FFF process overcomes these disadvantages by dividing each layer’s processing among multiple extruders working in tandem. The research [ 95 ] presented a general toolpath allocation and scheduling methodology to attain this aim. Because of the simplicity with which the composition and microstructure of FFF may be controlled, it was claimed that FFF offers the most potential for producing components for target sectors such as aerospace, biomedical, and automotive.…”

Section: Some Important Am Flowcharts and Algorithmsmentioning

confidence: 99%

“…AM of large CF-reinforced polymer parts, like aircraft structures or boat hulls, is feasible when existing research on FFF for fiber-reinforced and thermosetting materials is integrated [ 95 ]. A volume fraction of 10% has been shown to be the most successful in many experiments utilizing short fiber-reinforced composites.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

“…The concurrent FFF process overcomes these disadvantages by dividing each layer's processing among multiple extruders working in tandem. The research [95] presented a general toolpath allocation and In research [94], the surface flashover characteristics of a non-uniform conductivity insulator fabricated by 3D printing were evaluated. The non-uniform insulator's conductivity distribution was optimized using a hybrid approach of radial basis function (RBF) and genetic algorithm (GA) neural network models to attain better E-field distribution.…”

Section: Some Important Am Flowcharts and Algorithmsmentioning

confidence: 99%

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A Brief Review on Additive Manufacturing of Polymeric Composites and Nanocomposites

et al. 2021

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In this research article, a mini-review study is performed on the additive manufacturing (AM) of the polymeric matrix composites (PMCs) and nanocomposites. In this regard, some methods for manufacturing and important and applied results are briefly introduced and presented. AM of polymeric matrix composites and nanocomposites has attracted great attention and is emerging as it can make extensively customized parts with appreciably modified and improved mechanical properties compared to the unreinforced polymer materials. However, some matters must be addressed containing reduced bonding of reinforcement and matrix, the slip between reinforcement and matrix, lower creep strength, void configurations, high-speed crack propagation, obstruction because of filler inclusion, enhanced curing time, simulation and modeling, and the cost of manufacturing. In this review, some selected and significant results regarding AM or three-dimensional (3D) printing of polymeric matrix composites and nanocomposites are summarized and discuss. In addition, this article discusses the difficulties in preparing composite feedstock filaments and printing issues with nanocomposites and short and continuous fiber composites. It is discussed how to print various thermoplastic composites ranging from amorphous to crystalline polymers. In addition, the analytical and numerical models used for simulating AM, including the Fused deposition modeling (FDM) printing process and estimating the mechanical properties of printed parts, are explained in detail. Particle, fiber, and nanomaterial-reinforced polymer composites are highlighted for their performance. Finally, key limitations are identified in order to stimulate further 3D printing research in the future.

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