Enhancing performance in bolt torque tightening using a connected torque wrench and augmented reality
Adeline Fau (INSA Toulouse), Mina Ghobrial (INSA Toulouse), Philippe Seitier (INSA Toulouse), Pierre Lagarrigue (INUC), Michel Galaup (INUC), Alain Daidi\'e (INSA Toulouse), Patrick Gilles (INSA Toulouse)

TL;DR
This paper introduces an augmented reality and connected torque wrench system to improve the reliability and efficiency of bolted joint tightening in manufacturing, demonstrating enhanced performance over traditional methods.
Contribution
It presents a novel AR-based tightening method with a 6-DoF tracked torque wrench that improves accuracy and operator support in bolted joint assembly.
Findings
The AR system improves tightening accuracy.
Operators find the system acceptable and helpful.
The method ensures more reliable torque application.
Abstract
Modern production rates and the increasing complexity of mechanical systems require efficient and effective manufacturing and assembly processes. The transition to Industry 4.0, supported by the deployment of innovative tools such as Augmented Reality (AR), equips the industry to tackle future challenges. Among critical processes, the assembly and tightening of bolted joints stand out due to their significant safety and economic implications across various industrial sectors. This study proposes an innovative tightening method designed to enhance the reliability of bolted assembly tightening through the use of Augmented Reality and connected tools. A 6-Degrees-of-Freedom (6-DoF) tracked connected torque wrench assists the operator during tightening, ensuring each screw is tightened to the correct torque. The effectiveness of this method is compared with the conventional tightening…
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