The present paper presents the hands-on results of the use of a large screen stereoscopic installation to train technicians
on maintenance tasks of large machineries for a leading mechanical industry. Such machinery, deployed from the
company in remote locations around the world, need complex and lengthy maintenance procedures, to be performed
periodically by teams of highly trained technicians. The firm organize continuous training classes to a large number of
its technicians, using qualified trainers and continuously updating machinery documentation, resulting in long and
expensive periods of time of technicians inactivity. Classes involve training on assembly and disassembly operations of
the company complex mechanical products and were traditionally based on the use of video documentation, 2D
mechanical drawings and live demonstrations on real equipment. In an attempt to improve this process, the firm
equipped some of the training centers with large stereoscopic projection facilities and dedicated software, introducing
the use of real-time stereo rendering of CAD models for virtual disassembly/assembly sequences. The firm investigated
then potential benefits of the new methodology compared to the traditional one. The present article presents an overview
of the technological framework used, and outlines the results of such comparison performed over a period of 6 months.
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