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Published in:
2021 | OriginalPaper | Chapter
Model to Improve the Efficiency in the Extrusion Area in a Manufacturing SME of the Industrial Plastic Sector Based on SMED, Autonomous Maintenance and 5S
Authors : Carlos Arroyo-Huayta, Sebastian Cruces-Raimudis, Gino Viacava-Campos, Claudia Leon-Chávarri, Daniel Aderhold
Published in: Human Interaction, Emerging Technologies and Future Applications III
Publisher: Springer International Publishing
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Abstract
At present, companies in the Peruvian plastic sector have an average capacity utilization indicator of 71.45%. However, in Peru many SMEs are with 50% well below this indicator. After a study performed in a representative company of the Peruvian plastic sector, the causes of low efficiency in resource utilization were determined through a problems tree and a Pareto analysis. These causes are failures, reprocesses and Setup times in the extrusion machines, taking around 1008 h a year to solve these problems. This article proposes a model to improve efficiency, integrating Lean Manufacturing tools such as 5s, SMED, and autonomous maintenance. The first one was used as a support tool, while SMED was used to reduce the configuration time and autonomous maintenance to reduce the failures number and the reprocesses number. The model was validated through a case study, obtaining as results the reduction of the setup time by 50%, breakdowns by 50% and reprocesses by 60%.