Machinery Lean Manufacturing Tools for Improved Sustainability: The Mexican Maquiladora Industry Experience
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Date
2022-04
Authors
García-Alcaraz, Jorge Luis
Morales García, Adrián Salvador
Díaz-Reza, José Roberto
Blanco Fernández, Julio
Jiménez Macías, Emilio
Puig, Rita
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Abstract
This paper reports a structural equation model (SEM) to quantify the relationship between Lean Manufacturing (LM) tools associated with machinery and sustainability. The LM tools are inde-pendent variables and include Total Productive Maintenance (TPM), Jidoka, and overall equipment effectiveness (OEE), whereas dependent sustainability variables comprise environmental, social, and economic sustainability. The SEM proposes ten hypotheses, tested statistically using information from 239 responses to a questionnaire applied to the Mexican maquiladora industry and the Partial Least Squares (PLS) technique for quantifying relationships among variables. Additionally, we discuss conditional probabilities to explain how low and high levels of TPM, Jidoka, and OEE impact sustainability. Findings reveal that TPM, Jidoka, and OEE directly impact social, environmental, and economic sustainability, thus indicating that safe workplaces improve employee commitment, safety, delivery time, and morale.
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Mathematics, 2022, vol.10, núm. 9, núm. art. 1468