Strategies for a scalable multi-robot large scale wire arc additive manufacturing system

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Abstract

Conventional robotic wire arc additive manufacturing technologies enable the rapid production of moderate-sized components using low-cost wire feedstocks and robotic welding systems. Efforts to date have primarily focused on single robot solutions. However, new configurations are possible with coordination of multiple robots and multi-degree of freedom positioners. This paper describes a new multi-agent control paradigm that enables multiple robots to work collaboratively on manufacturing a single component on a rotating platform. The advantages of this approach are increased deposition rate and productivity. This paper demonstrates this control strategy on a 19 degrees-of-freedom platform based on three wire arc additive systems surrounding a single rotating platform.

Original languageEnglish
Article number100183
JournalAdditive Manufacturing Letters
Volume8
DOIs
StatePublished - Feb 2024

Funding

The authors would like to thank Lincoln Electric for their contributions to this work. This material is based upon work supported by the U.S. Department of Energy , Office of Energy Efficiency and Renewable Energy, Office of Advanced Manufacturing , under contract number DE-AC05- 00OR22725 .

Keywords

  • 3D printing
  • Additive manufacturing
  • Coordinated robot motion
  • Directed energy deposition
  • Machine intelligence
  • Robotics

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