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1
artículo
Publicado 2023
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One of the biggest problems in the construction industry that often generates delays and loss of value in the construction site are the processes related to the management of material transportation. These processes are decisive in collaborating in the search for greater productivity. Lean Construction (LC), together with its tools and techniques, is a methodology that is being implemented in the sector and whose objective is the identification and elimination of waste on-site.The objective of this work is to analyze the impact of implementing the LC methodology in the construction sector focused on the transportation of materials, as well as to verify the other benefits of the methodology. In this systematic literature review (SLR) work, seven online databases were used to search for scientific manuscripts related to the LC methodology and the materials transportation process; after bei...
2
artículo
Publicado 2024
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This research aims to implement a lean manufacturing management model using tools such as value stream mapping (VSM), single-minute exchange of die (SMED) and autonomous maintenance (AM) to improve the service level within petroleum refining companies. Moreover, its objective is to mitigate the technical gap that leads to monetary losses for the company in question. In terms of methodology, the research used a case study design focused on pre-test and post-test analyses to identify the key improvements. The results revealed a 35 % reduction in company losses and an increase of 19 % in the service level.
3
artículo
Publicado 2024
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This research aims to implement a lean manufacturing management model using tools such as value stream mapping (VSM), single-minute exchange of die (SMED) and autonomous maintenance (AM) to improve the service level within petroleum refining companies. Moreover, its objective is to mitigate the technical gap that leads to monetary losses for the company in question. In terms of methodology, the research used a case study design focused on pre-test and post-test analyses to identify the key improvements. The results revealed a 35 % reduction in company losses and an increase of 19 % in the service level.
4
tesis de grado
Publicado 2024
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Este trabajo de investigación busca implementar un modelo de gestión de Lean Manufacturing, usando herramientas como VSM, SMED, Mantenimiento Autónomo, para mejorar el nivel de servicio en empresas de refinación de petróleo para reducir la brecha técnica de pérdidas monetarias a la empresa en cuestión. En cuanto a la metodología utilizada, se basa en un diseño de estudio de caso centrado en el estudio del pre-test y post-test para identificar las principales mejoras de este. Con respecto a los resultados, este estudio logró una reducción del 35% en las pérdidas de la empresa e incrementar 19 puntos porcentuales el nivel de servicio.
5
tesis de grado
Publicado 2025
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This scientific article aims to demonstrate the usefulness of the application of a novel inventory management model based on 3 tools: A control system for incoming and outgoing goods, a process monitoring system managed through a KANBAN canvas and a continuous improvement system based on a PHVA cycle to improve the logistics management of an SME in the retail sector. especially in the control of inventory accuracy and availability indicators. It was based on an initial diagnosis of the processes of the logistics area of the company under study, then appropriate inventory management policies were implemented, and the processes were re-engineered. The next step was to design a Dashboard to control the inflows and outflows of goods, which takes the information from the company's ERP and allows it to anticipate omissions in the processes. Finally, staff were trained and a process monitoring ...
6
tesis de grado
Publicado 2024
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Las pequeñas y medianas empresas (PYMEs) en el sector de reparación de motores para equipos de minería enfrentan desafíos significativos, incluyendo una gestión ineficiente de repuestos y la dependencia de reparaciones por terceros. Estos problemas provocan retrasos e inconsistencias, afectando la eficiencia y productividad de las operaciones mineras que apoyan. Para abordar estos desafíos, este estudio propuso un modelo de producción basado en principios de Lean Manufacturing, que incluye Poka Yoke, Trabajo Estandarizado y el Proceso de Jerarquía Analítica (AHP). El modelo tiene como objetivo optimizar los flujos de trabajo, mejorar el control de calidad y aumentar la eficiencia operativa a través de la prevención sistemática de errores y marcos de toma de decisiones. La implementación del modelo propuesto resultó en una reducción del 25% en el tiempo perdido por componen...
7
tesis de grado
Publicado 2024
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The application of the lean manufacturing strategy aims to reduce waste and increase the productivity of the organization in which it is applied; however, in Peru many companies in the metal-mechanical industry do not know how to implement it. The objective of the research is the application of lean manufacturing tools to increase productivity in the manufacturing of washing machines. We implemented 5S to reduce time and route waste, Kanban to standardize production based on demand and lead time, as well as the use of MRPII for its execution. In addition, it was complemented with the Jidoka philosophy to eliminate defective products. The study was carried out in a SMEs company of the metal-mechanic sector that after performing the diagnosis using VSM, productivity (0.1858 washers/H-H), defective products (9.06%) and delivery time compliance (64.67%) of stainless teel washers were identif...
8
artículo
Publicado 2021
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This article intends to demonstrate the feasibility of applying the TPM-Lean Manufacturing methodology in SME manufacturers of metal spare parts, as there is a growth in demand, visible in the sector, which cannot be exploited due to its Overall Equipment Effectiveness (OEE) low values. The aim is to contribute to a better knowledge of the application technique to reduce waste in process industries so that, through an analysis of their production data, the problems that prevent companies from being efficient are identified and, through the selection, development and implementation of the techniques of the Lean Manufacturing Methodology, SME can be oriented to carry out improvement actions in their production systems at a low cost.
9
artículo
Publicado 2023
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The article's objective was the implementation of the lean manufacturing methodology in the production process of an air conditioning metal processing plant. For this, the methodology of 2 phases was used. The company and its current operation, structure, products, and work plan are presented in the first phase, demonstrating its main deficiencies. In phase 2, an improvement plan was made with lean manufacturing tools applied to the deficit of phase 1. As a result of the implementation of these tools, 64%, 80%, 71% and 50% of space in the measuring, cutting, bending, and welding stations, respectively, and an improvement in production times were obtained. Based on the study results, it is concluded that the application of lean manufacturing benefited the company by drastically improving its production process and work environment.
10
artículo
Publicado 2022
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Lean Six Sigma (LSS) is one of the essential and applicable techniques for any organisation in the 21st century, including small and medium-sized enterprises (SMEs), that wish to grow their competitive advantages. The LSS approach’s insights offer an optimal vision for reducing technical gaps and assessing performance indicators. This case study aimed to improve service-level performance in a gaming peripherals SME by incorporating traditional engineering tools into the Define, Measure, Analyse, Improve, and Control (DMAIC) framework, validating its results through a two-month pilot plan, and analysing process improvement via statistical software. The study’s findings revealed that SMEs could effectively control delays in order processing through statistical control planning regardless of financial capabilities.
11
tesis de grado
Publicado 2022
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Research on implementing work standardization in an SME company in the veterinary sector is very scarce. This scientific article aims to increase productivity without neglecting the grooming service's quality and applying different engineering solutions to improve resource management. The results obtained can be of great value to similar industries, especially those that want to improve the performance of their operations, avoid waste, and improve their productivity. In companies such as a veterinary clinic, it is common to find that those in charge of the bathroom area do not perform an outstanding performance in their work, considering this task as not very important or definitive for the company, causing unnecessary delays, slow work speed, and unmotivated staff. We seek through this article to demonstrate that, through standardization of processes and areas within a company, the impe...
12
tesis de grado
Publicado 2023
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The main objective of Lean Manufacturing tools is to eliminate waste from a process in order to make it more efficient. In this applied research with a quantitative approach, the production process of a steel coil cutting machine (Slitter) of a Peruvian metalworking company is analyzed. It can be said that the Slitter is indispensable to supply semi-finished products to a steel tube production line. Likewise, improvements are proposed and implemented based on three lean manufacturing tools in order to increase their availability, which hardly exceeds the value of 60%. One of the tools implemented was the single minute exchange of die (SMED), which is aimed at reducing machine preparation times (setup) by reorganizing internal to external activities. Another tool used was Kaizen, which seeks continuous improvement and standardization of processes through simple and concrete actions. Final...
13
artículo
Publicado 2022
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Paper aims: This research article addresses an innovative solution to face one of the main problems in the footwear industry, namely the high order non-fulfillment rate. Originality: This research offers companies in the footwear industry the possibility of implementing Andon through a structured and planned process that allows expediting problem solving. The advantage of this system is the ability to signal the status of workstations through rapid visual identification. Moreover, in this way social distancing is also secured, in line with World Health Organization guidelines to prevent the spread of COVID-19. Research method: The article presents four phases through which the case study was addressed. Planning (determination of objectives), Restructuring of the Operations Area, Improvement of the Production Line and Continuous Improvement. Main findings: An Arena simulation system was u...
14
tesis de grado
Publicado 2022
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Nowadays agile methodologies have been developed, and are used in organizations because companies face highly competitive and globalized markets with constant changes (Arias, 2020). The paper is going to be based on “Lean Manufacturing” which is a system that aims to eliminate waste from the process through continuous and systematic improvement (Palaniswamy, 2021), without generating waste or defective products. The case of the study is based on solving the problem of low productivity for a textile company in Peru, which had been caused by the excessive waiting times between operations and manual activities with a higher percentage of defective products, for example, 7% in the clothing area. In this paper first, we recollected the actual information like batches, the floor plan, production costs, etc. within we simulated the as-is and after that the as-if. This article uses the “Le...
15
artículo
Publicado 2022
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SMEs in the textile sector face many problems in their production flows, mainly due to the lack of production management systems caused by poor management of the production chain. Therefore, a diagnostic analysis is carried out in a textile SME to evaluate and define the deficiencies and factors that affect its competitiveness, which began with the analysis of the current situation of the company, where it was established the existence of poor-quality management, high waiting times and lack of procedures. Therefore, the use of lean manufacturing tools such as Jidoka, Single Minute Exchange of Die with respect to the production line and process management for the measurement and control of operations in the production area is proposed. The incorporation of these tools in block allows to decrease the rates of defective products, the excess of operative work and the set-up of the machines f...
16
tesis de grado
Publicado 2025
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The research proposed to implement Lean Six Sigma in a restaurant company to improve the service quality of Siu Mai snacks delivered via delivery. The study was based on a pre-experimental design with a quantitative approach and evaluating customer perception before and after using the Servqual method. In the initial analysis, lack of employee induction, poor order management and lack of process evaluation were found as causes of low quality. Using DMAIC, processes were improved with BPMN and Kanban to follow the order flow, which optimized processes, reduced waiting times and improved service quality. The results showed that the Servqual score improved from 4.07 to 6.09, while the CP and CPK indicators improved significantly. It was concluded that the implementation of Lean Six Sigma using tools such as VSM, Kanban and SIPOC helped improve service quality and customer satisfaction by op...
17
tesis de grado
Publicado 2023
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This research seeks to spread the use of the Single minute exchange of die (SMED) tool. According to the literature reviewed, there are few investigations where this tool is applied in companies in the food sector. The objective of the study is to conduct an analysis of the research carried out on the implementation of the SMED tool in the food industry. A systematic review of the literature was implemented, 3 categories and 7 study subcategories were formed to analyze 30 articles published between 2015 and 2021. It was found that 64% of the articles were concentrated between 2017 and 2019, and that 43% were made in Latin America. Also, it was found that work methods are the main cause that affects the changeover time and 67% of the articles reviewed mention the increase in productivity as the main benefit. The principal obstacle to the implementation of this methodology is the lack of s...
18
tesis de grado
Publicado 2025
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The brewing industry, especially within small and medium-sized enterprises (SMEs), plays a pivotal role in economic development and cultural preservation. This study emerged from the need to address production inefficiencies and quality issues in the craft brewing sector. The proposed contribution involved the implementation of the PDCA methodology, incorporating Total Productive Maintenance (TPM), Single-Minute Exchange of Die (SMED), and Andon tools, to enhance operational efficiency and product quality. The study aimed to reduce waste, optimize production time, and improve overall efficiency. The results demonstrated significant improvements in key performance indicators. The setup time decreased from 41 minutes to 29 minutes, reflecting a 29% reduction. The downtime of the process was reduced from 74 minutes to 22.75 minutes, a substantial 69% decrease. Additionally, the rate of defe...
19
tesis de grado
Publicado 2025
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The textile industry is a major contributor to the global economy, particularly significant in Peru due to its rich history and traditional techniques. This sector not only provides substantial employment but also preserves cultural heritage and drives economic growth. Despite its importance, the Peruvian textile industry faces operational inefficiencies, particularly in machinery setup during product transitions, leading to high unproductive times and reduced outputs. Addressing these issues is critical for maintaining competitiveness and meeting industry standards. The proposed study introduced a Lean Manufacturing-based model to tackle these inefficiencies. The model integrated Systematic Layout Planning (SLP), 5S methodology, and Single-Minute Exchange of Die (SMED) techniques. SLP was employed to optimize plant layout, reducing transportation times and improving workflow. The 5S met...
20
artículo
Publicado 2022
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One of the pillars of the world economy is the service sector, since in developed and developing countries it contributes 70% and 45% of GDP, respectively. For this reason, companies in this sector seek to innovate their processes, become more efficient and competitive. In this sense, Lean Service and BPM stand out for generating efficiency and competitiveness in Back Office processes, through a focus on optimizing the value of processes, eliminating activities and reducing waste. In this case study, the aim is to increase the efficiency of the process of issuing electronic receipts in a Peruvian Banking and Insurance company, through the implementation of Lean and BPM tools such as: electronic 5s, digital Poka Yoke, load balancing and BPMN. Our proposal model includes the aforementioned Lean Service and BPM tools, which together achieve the reduction of rework, reduction of time in oper...
