Propuesta de mejora para incrementar la productividad del proceso de picking implementando Slotting y Lean Warehousing en una empresa del sector logístico
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Advisors
Palacios Durand, Denis AlejandroIssue Date
2024-11-14
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Improvement Proposal to Increase Productivity in the Picking Process by Implementing Slotting and Lean Warehousing in a Logistics CompanyAbstract
En el sector logístico, las empresas buscan alcanzar un Case Fill Rate (CFR) cercano al 100% para optimizar su servicio. Sin embargo, lograr esta meta implica coordinar eficientemente todos los procesos y personal. En este estudio de caso, se analiza una empresa con un CFR de 99.7%, superior a la meta sectorial del 99.5%, pero que incurre en altos costos operativos, principalmente por contratación y horas extras. Un análisis detallado reveló que estos costos son atribuibles a ineficiencias en el proceso de picking, como recorridos excesivos debido a una clasificación inadecuada de la mercadería, tiempo perdido por registros de inventario inexactos, actividades sin valor agregado y una distribución subóptima de insumos. Por lo tanto, para abordar estos problemas, se implementaron técnicas de Lean Warehousing y Slotting bajo un modelo de Gestión de Calidad Total (TQM). Las acciones incluyeron la clasificación ABC de los SKU, estandarización del proceso de picking y una nueva organización de las áreas de insumos. Tras la implementación, las actividades sin valor agregado disminuyeron un 87.53%, la distancia por pick se redujo en 27.31% (de 23.29 a 16.93 metros/pick) y la exactitud de registro de ubicaciones aumentó a 99.74% (+20.45%). Esto generó un incremento en la productividad del 58.82%, alcanzando 54 picks/hora. En conclusión, el proyecto demostró ser rentable y ofrece una base para mejoras en otros procesos.In the logistics sector, companies aim to achieve a Case Fill Rate (CFR) close to 100% to optimize service levels. However, reaching this goal requires efficient coordination of all processes and personnel. This case study examines a company with a CFR of 99.7%, which exceeds the industry target of 99.5% but incurs high operational costs, primarily due to additional staffing and overtime expenses. A detailed analysis revealed that these costs stem from inefficiencies in the picking process, such as excessive travel distances due to suboptimal merchandise classification, time lost due to inaccurate inventory records, non-value-added activities, and poor allocation of supplies. Therefore, to address these issues, Lean Warehousing and Slotting techniques were implemented within a Total Quality Management (TQM) framework. Actions included ABC classification of SKUs, standardization of the picking process, and reorganization of supply areas. After implementation, non-value-added activities decreased by 87.53%, the distance per pick was reduced by 27.31% (from 23.29 to 16.93 meters per pick), and location record accuracy increased to 99.74% (+20.45%). These improvements led to a productivity increase of 58.82%, reaching 54 picks per hour. In conclusion, the project proved to be cost-effective and offers a foundation for improvements in other processes.
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Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc-sa/4.0/


