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<p>The demands to provide high-quality products force organizations to improve their processes to meet these requirements. In this work, a proposal is defined to analyze and improve a Laser Beam Welding (LBW) process in automotive seat structures using a TRUMPF TruDiode 3006 machine. Through the RSM DoE methodology, the penetration depth in the automotive seat structure is improved from a <i>P</i><sub>pk</sub> level of 0.54 to a <i>P</i><sub>pk</sub> level of 1.50. The factors considered in the welding process are welding speed, laser power, and focal position on the Z-axis. Finally, the stepwise technique is used to optimize the analyzed parameters, going from 5.21% of parts produced out of specifications to 0.00% in the long-term analysis.</p> Graphical abstract <p></p>

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Application of RSM DoE to optimize the weld penetration depth in automotive seat adjusters

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年1月21日

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  • Jorge G. Tavera-Sainz,
  • Hertwin Minor-Popocatl,
  • Omar Aguilar-Mejía,
  • Argelia F. Miranda-Perez

摘要

The demands to provide high-quality products force organizations to improve their processes to meet these requirements. In this work, a proposal is defined to analyze and improve a Laser Beam Welding (LBW) process in automotive seat structures using a TRUMPF TruDiode 3006 machine. Through the RSM DoE methodology, the penetration depth in the automotive seat structure is improved from a Ppk level of 0.54 to a Ppk level of 1.50. The factors considered in the welding process are welding speed, laser power, and focal position on the Z-axis. Finally, the stepwise technique is used to optimize the analyzed parameters, going from 5.21% of parts produced out of specifications to 0.00% in the long-term analysis.

Graphical abstract