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<p>On a global scale, the circular economy is essential for reducing raw material consumption and increasing sustainability. Remanufacturing is a distinctive process within this economy, transforming used products to “as-new” condition, ready for a second life. To meet the quality and safety standards of new products, remanufacturing relies on comprehensive assessments phases led by skilled operators. However, despite their critical role in ensuring product reliability, little attention has been given to the specific skills operators develop to assess components. This study addresses this gap by investigating how expert operators manage variability in train component remanufacturing, developing specialized skills through strategies to assess and repurpose high-stakes components. Using an activity-oriented ergonomics approach, data was gathered through in situ observations, and operator interviews. Findings reveal how operators integrate both old and new parts to create “as-new”&#xa0;products that meet stringent performance and safety standards, specific to the requirements of train components. A key contribution is the identification of remanufacturing-specific skills: including diagnosis, where operators assess the current state of components to determine their reparability, and prognosis, where they anticipate the remaining lifespan and functional reliability of components. These insights reveal operators’ sensory strategies and their anticipation of component degradation, allowing them to adapt parts for a second life while ensuring optimal functionality. This research sheds light on the characteristic skills required in remanufacturing and underscores the essential role of operator assessment strategies in advancing sustainable production.</p>

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The remanufacturing activity: exploring operator assessment skills in train sector

  • 期刊论文

  • 发表日期：

    2025年5月7日

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  • Kevin Guelle,
  • Aurélie Landry,
  • Sandrine Caroly,
  • Peggy Zwolinski

摘要

On a global scale, the circular economy is essential for reducing raw material consumption and increasing sustainability. Remanufacturing is a distinctive process within this economy, transforming used products to “as-new” condition, ready for a second life. To meet the quality and safety standards of new products, remanufacturing relies on comprehensive assessments phases led by skilled operators. However, despite their critical role in ensuring product reliability, little attention has been given to the specific skills operators develop to assess components. This study addresses this gap by investigating how expert operators manage variability in train component remanufacturing, developing specialized skills through strategies to assess and repurpose high-stakes components. Using an activity-oriented ergonomics approach, data was gathered through in situ observations, and operator interviews. Findings reveal how operators integrate both old and new parts to create “as-new” products that meet stringent performance and safety standards, specific to the requirements of train components. A key contribution is the identification of remanufacturing-specific skills: including diagnosis, where operators assess the current state of components to determine their reparability, and prognosis, where they anticipate the remaining lifespan and functional reliability of components. These insights reveal operators’ sensory strategies and their anticipation of component degradation, allowing them to adapt parts for a second life while ensuring optimal functionality. This research sheds light on the characteristic skills required in remanufacturing and underscores the essential role of operator assessment strategies in advancing sustainable production.