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<p>Remanufacturing is a&#xa0;comprehensive and rigorous industrial process by which a&#xa0;previously sold, leased, used, worn, remanufactured, or non-functional product or part is returned to a&#xa0;like-new, same-as-when-new, or better-than-when-new condition from both a&#xa0;quality and performance perspective, through a&#xa0;controlled, reproducible, and sustainable process. Remanufacturing is an archetype of a&#xa0;hybrid process.</p><p>A&#xa0;hybrid process chain combines additive and subtractive processes. Additive processes serve the application of material, for example to enrich worn areas or holes with additional material. Subtractive processes involve the removal of material and substitute additive processes to restore the properties of the functional surfaces in a&#xa0;precise way.</p><p>In this contribution, a&#xa0;highly automated hybrid process chain for remanufacturing purposes is presented. The process includes process specific tool path planning for subtractive (milling) and additive (wire arc additive manufacturing) manufacturing steps. Before the actual manufacturing, control parameters for the processing are estimated based on temperature (additive) and cutting force (subtractive) FEM simulations. During manufacturing, these parameters are controlled, and anomalies are detected.</p><p>The results of the automated CAM planning, the target-performance comparison for the control parameters, and the final part quality are presented. Lastly, the potential of Additive Manufacturing in the field of circular economy is evaluated.</p>

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Successful Remanufacturing through Data-based Decision Making and Intelligent Process Planning

  • 期刊论文

  • 发表日期：

    2025年2月17日

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  • Jonas Zielinski,
  • Leonardo Sarmiento,
  • Tobias Kamps

摘要

Remanufacturing is a comprehensive and rigorous industrial process by which a previously sold, leased, used, worn, remanufactured, or non-functional product or part is returned to a like-new, same-as-when-new, or better-than-when-new condition from both a quality and performance perspective, through a controlled, reproducible, and sustainable process. Remanufacturing is an archetype of a hybrid process.

A hybrid process chain combines additive and subtractive processes. Additive processes serve the application of material, for example to enrich worn areas or holes with additional material. Subtractive processes involve the removal of material and substitute additive processes to restore the properties of the functional surfaces in a precise way.

In this contribution, a highly automated hybrid process chain for remanufacturing purposes is presented. The process includes process specific tool path planning for subtractive (milling) and additive (wire arc additive manufacturing) manufacturing steps. Before the actual manufacturing, control parameters for the processing are estimated based on temperature (additive) and cutting force (subtractive) FEM simulations. During manufacturing, these parameters are controlled, and anomalies are detected.

The results of the automated CAM planning, the target-performance comparison for the control parameters, and the final part quality are presented. Lastly, the potential of Additive Manufacturing in the field of circular economy is evaluated.