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<p>Planning assembly paths from CAD models is a major challenge in digital manufacturing, where the integration of robotic design and implementation is becoming increasingly essential. This includes automating the generation of feasible and collision-free assembly paths, as well as bridging the gap between product design and assembly operations. To address these challenges, this paper is aiming to develop a methodology for planning and generating assembly paths from the CAD model of a mechanical system. A literature review with the state of the art of previous work emphasizing the limits and challenges in this field was conducted. The proposed approach allows the generation of assembly paths considering external obstacles within the workspace. Interference tests are carried out to guarantee collision-free paths. Therefore, an implemented tool called APP "Assembly Path Plan" embedding the developed approaches is created. An illustrative example showcasing the different steps and methods used to develop this approach is discussed.</p> Graphical abstract <p></p>

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A new method for safe assembly path plan generation in production lines with obstacles integrated into a computer aided design software

  • 期刊论文

  • 发表日期：

    2026年3月10日

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  • Salma Ben Said,
  • Ahmed Nhouchi,
  • Mohamed Amine Ben Abdallah,
  • Nizar Aifaoui

摘要

Planning assembly paths from CAD models is a major challenge in digital manufacturing, where the integration of robotic design and implementation is becoming increasingly essential. This includes automating the generation of feasible and collision-free assembly paths, as well as bridging the gap between product design and assembly operations. To address these challenges, this paper is aiming to develop a methodology for planning and generating assembly paths from the CAD model of a mechanical system. A literature review with the state of the art of previous work emphasizing the limits and challenges in this field was conducted. The proposed approach allows the generation of assembly paths considering external obstacles within the workspace. Interference tests are carried out to guarantee collision-free paths. Therefore, an implemented tool called APP "Assembly Path Plan" embedding the developed approaches is created. An illustrative example showcasing the different steps and methods used to develop this approach is discussed.

Graphical abstract