Abstract
Complex structures and a high level of customization in architecture and construction industries require the usage of industrial robots for milling or additive manufacturing applications. Due to economic aspects and the intensive research on robot machining, conventional machine tools are increasingly superseded for specific tasks by industrial robots. However, assembling errors during the manufacturing process and low structural stiffness of industrial robots are still main reasons for inaccuracies of robotic based machining. This paper presents a comparison between industrial robots and cnc machine tools and evaluates their strength and weaknesses. Furthermore, recently published works considering robot calibration and offline compensation strategies in order to increase the absolute and machining accuracy are presented. Finally, the adaption of an existing robot machining process chain with additional components underlines the potential of robots for machining tasks.
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