Abstract
One of the barriers to automating high-mix, variable-volume production is the process of installing the workpiece in the machine tool. In this paper, we propose a new principle for position and orientation measurements involving the use of 3-dimensional shape markers with shadows. We prototyped a marker system and demonstrated position and orientation measurements with a position precision of about 3 µm and an orientation precision of about 0.02 deg. We also proposed a method for transferring the position and orientation of workpieces between machine tools as an example of its application to a high-mix, variable-volume production system. • The aim of the research was to apply position and orientation marker functions used in AR to manufacturing system. • New measurement principle was improved involving 3D shape markers and their projected shadows. • Precision of the developed marker was about 3 µm (position) and 0.02 deg (attitude). • A method of transferring workpiece for high-mix, variable-volume production was proposed.
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