Abstract
In this chapter, we present a review of the possibilities and challenges of using robotic manipulators in additive manufacturing (AM). The review summarises the research done in the Centre for Research-based Innovation (SFI) Manufacturing project as well as presents some general state-of-the-art background. We consider two different AM processes: directed energy deposition (DED) and material extrusion (MEX), with robot manipulators consisting of serially linked revolute joints. The perspective of robotic technology is reflected through the following aspects: the general benefits and shortcomings of the introduction of a robotic manipulator arm into the AM process. Robot tool path planning methods and approaches, including a discussion on the commercially available technology. Sensor systems and sensor data analysis for error detection and robot path correction. The feasibility and advantages of feedback control compared to offline robot path planning. In addition, we outline some industrial applications where the use of a robotic manipulator has the potential for a positive impact on production costs and efficiency.