Purpose: This research proposes an implementation model of Total Productive Maintenance (TPM) based on the analysis of criticality of machines in the sewing process in the Ecuadorian footwear industry and the identification of unproductive times caused by labor failures.Design/methodology/approach: The project uses field research, presents a quantitative approach, the data collection is done in a horizon of 8 months in which the information is condensed in data tables and takes as a case study one of the most successful companies in the Ecuadorian footwear industry for its initiative to innovate their processes and research new technologies that help increase their efficiency.Findings: The results allow to demonstrate the successful application of the proposed model in the industrial sector of footwear with an increase of average production standards of 5% and a reduction in the number of human errors of 72.2%.Practical implications: The model allows to execute several activities in four phases: preparatory, introduction, implementation and consolidation in order to develop TPM in sewing process.Originality/value: The paper describes a case study in a major shoe company with the aim of reducing the times for unscheduled stoppages and the number of failures.
In this paper, the application of inventory buffers is proposed as a management tool for the supply of raw material in the footwear industry. This allows to increase competitiveness and a significant decrease in investment in materials stored in the warehouses. This technique based on the holistic view will achieve the global optimum of the system giving importance to factors that prevent success of companies. In this sense, it is identified that the market demand is the systemś constraint for the development of the master production schedule. Considering this, it is necessary to concentrate all the materials in the central warehouse to establish an optimum inventory levels or buffers. Using a technique of colors materials ordering program is regularly reviewed through dynamic buffer management. As a result, the model improves the way how inventory of materials in the footwear industries is managed for resupply. Giving a priority to the materials low in stock. This generates 18,7 % of annual saving in inventory costs. Index Terms-raw materials consumption, lead time, buffer, bill of materials, supply chain, priority
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