Effect of lean manufacturing tools on sustainability: the case of Mexican maquiladoras

García-Alcaraz, Jorge Luis; Morales García, Adrián Salvador; Díaz-Reza, José Roberto; Jiménez Macías, Emilio; Javierre Lardiés, Carlos; Blanco Fernández, Julio

Effect of lean manufacturing tools on sustainability: the case of Mexican maquiladoras

2022

The Mexican maquiladora industry is applying Lean Manufacturing Tools (LMT) in its production lines; however, few studies have investigated its relationship with sustainability (social, economic, and environmental). This paper presents a second-order structural equation model (SEM) relating 8 LMT integrated into three independent latent variables: continuous improvement (Kaizen and Gemba), supporting tools (Andon, visual management, and Poka-yoke), and machinery and equipment (total productive maintenance, overall equipment effectiveness, and Jidoka) that are related to social, economic, and environmental sustainability as dependent variables. The model is validated with information obtained from 249 companies using partial least squares. Findings show that the application of LMT in the Mexican maquiladora industry avoids the generation of waste and reprocessing. Likewise, the improvement of production processes reduces the waste emitted into the environment and reduces energy consumption. Also, when companies have environmental programs, the work environment is safe, and labor relations are improved, increasing morale and the commitment to work for the company, gaining economic and ecological benefits.

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