Conducting Action Research to Improve Operational Efficiency in Manufacturing: The Case of a First-Tier Automotive Supplier

J. Vicente Tébar-Rubio (), F. Javier Ramírez () and M. José Ruiz-Ortega ()
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J. Vicente Tébar-Rubio: MAHLE Spain
F. Javier Ramírez: Universidad de Castilla-La Mancha
M. José Ruiz-Ortega: Universidad de Castilla-La Mancha

Systemic Practice and Action Research, 2023, vol. 36, issue 3, No 4, 427-459

Abstract: Abstract Optimising available resources and minimising production costs and throughput time is vital for first-tier suppliers in the worldwide automotive sector. To develop this type of optimisation and efficiency, MAHLE applied Action Research (AR) in one of its factories located in Spain. A multidisciplinary collaborative work team was created with the aim of deploying the AR initiative in combination with Lean Manufacturing and Six Sigma tools. Four improvement and learning cycles were deployed and key performance metrics were defined to collect and measure data in order to analyse the improvements achieved. The application of the AR initiative in the production line of a power filter device enabled improvements in both production times and quality indicators in the manufacturing process. The most outstanding results were the improvements made in the decrease in initial throughput time (34.78%) and in average daily rejections (73.53%). In addition, the AR initiative generated practical and theoretical contributions for business and academia, allowing the AR initiative to be applied in other areas of the company, and contributing to the current state of the art in the industrial application of this methodology.

Keywords: Action research; Lean six sigma; Operational efficiency; Automotive industry; First-tier supplier; Electric vehicle (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11213-022-09616-w

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