Towards an automated robotic arc-welding-based additive manufacturing system from CAD to finished part

Ding, Donghong; Shen, Chen; Pan, Zengxi; Cuiuri, Dominic; Li, Huijun; Larkin, Nathan; Duin, Stephen van

doi:10.1016/j.cad.2015.12.003

Cited by 158 publications

(65 citation statements)

References 30 publications

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“…Aerospace has shown interest in these technologies because of its ability to fabricate metal parts directly using materials such as titanium (suitable for aircrafts) and the ability to fabricate complex, high-performance products easily without any tooling. 92 Ding et al 93 investigated an aircraft component with thin-walled structures of varying thickness and comprising several crossings using an arc welding-based AM process ( Figure 20).…”

Section: Impact On Manufacturingmentioning

confidence: 99%

Additive manufacturing: Challenges, trends, and applications

Abdulhameed

Al-Ahmari

Ameen

et al. 2019

Advances in Mechanical Engineering

498

174

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Additive manufacturing is a recent trend in production processes owing to its many benefits. It can be defined as the process of producing parts through the deposition of material in a layer-by-layer fashion. It has been a topic of intense study and review by many researchers. In this work, a comprehensive review pertaining to additive manufacturing has been accomplished. The evolution of additive manufacturing as a prominent technology and its various phases are discussed. The importance of part orientation, build time estimation, and cost computation has also been reviewed. The remarkable aspect of this work is the identification of problems associated with different additive manufacturing methods. Because of the imperfections in additive manufacturing, its hybridization with other methods, such as subtractive manufacturing, has been emphasized. This review will help readers understand the different aspects of additive manufacturing and explore new avenues for future research.

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Section: Impact On Manufacturingmentioning

confidence: 99%

Additive manufacturing: Challenges, trends, and applications

Abdulhameed

Al-Ahmari

Ameen

et al. 2019

Advances in Mechanical Engineering

498

174

View full text Add to dashboard Cite

show abstract

“…[7] Rapid solidification reduces elemental portioning and extends solid solubility and can result in metastable phase formation. [151] In bead modeling, [215] bead geometry is found to be dependent on both the materials and process parameters and it in turn determines the layer thickness, height, and step-over distance. [12] Despite the extensive research in AM, so far there is no universal model that can relate AM process parameters and feed material specifications to the resulting microstructure and material properties.…”

Section: Process Modelingmentioning

confidence: 99%

Laser‐Based Additive Manufacturing Technologies for Aerospace Applications

2019

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Additive manufacturing (AM) is a transformative technology that has rapidly grown over the past decade. AM processes build parts layer by layer and have found applications in the aerospace, biomedical, and automotive fields. The technology holds particular promise for the aerospace industry due to the reduced process time, weight savings of parts, and opportunities for new material development. Herein, a review of laser-based AM processes, existing AM systems, and aerospace parts being fabricated is presented. It further explores the material properties and microstructure of printed samples with both powder bed fusion and direct energy deposition processes. The benefits and challenges associated with the widespread use of the technology are discussed with emphases on the aerospace sector. Finally, the steps required for parts produced by AM processes to become certified for use in aerospace applications are presented.

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“…Any alignment error of the welding torch leads to an increased risk of geometric inaccuracies and weld defects. To solve this problem, various research groups are working on automatic path planning and control systems, such as Chen et al with their DingzhiPNT-3d Path simulation software in combination with a cold metal transfer (CMT), which is a gas metal arc welding (GMAW) process [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Plasma Multiwire Technology with Alternating Wire Feed for Tailor-Made Material Properties in Wire and Arc Additive Manufacturing

Reisgen

Sharma

Oster

2019

Metals

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Wire and arc additive manufacturing (WAAM) is one of the most promising technologies for large-scale 3D printing of metal parts. Besides the high deposition rates, one of the advantages of WAAM is the possibility of using in situ alloying to modify the chemical composition and therefore the material properties of the fabricated workpiece. This can be achieved by feeding multiple wires of different chemical compositions into the molten pool of the welding process and generating a new alloy during the manufacturing process itself. At present, the chemical composition is changed stepwise by keeping the wire feed speeds per layer constant. This article describes the possibilities of generating chemically graded structures by constantly alternating the wire feed speeds of a multiwire WAAM process. This enables the chemical composition to be smoothly changed during the printing process, and generating structures with highly complex material properties. Several material combinations for different possible applications were successfully tested. Furthermore, grading strategies to avoid negative influences of low-ductility intermetallic phases were examined. The results show that low-ductility phases may even have a beneficial influence on the fracture behavior if they are combined with ductile phases. Moreover, prospective possible applications are discussed.

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Towards an automated robotic arc-welding-based additive manufacturing system from CAD to finished part

Cited by 158 publications

References 30 publications

Additive manufacturing: Challenges, trends, and applications

Additive manufacturing: Challenges, trends, and applications

Laser‐Based Additive Manufacturing Technologies for Aerospace Applications

Plasma Multiwire Technology with Alternating Wire Feed for Tailor-Made Material Properties in Wire and Arc Additive Manufacturing

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