This diploma thesis deals with eliminating of bottlenecks in a production of eletrical devices, focusing mainly on the production line. It analyzes the current situation and using value stream mapping for a selected product it identifies bottlenecks of the production process. Further it proposes remedial measures to improve current situation.

The topic of diploma thesis was implemented in selected mechanical engineering company producing precision parts in small series. The main aim of the thesis is to create the suggestion of optimal supply process for new orders. The first part of thesis describes the company, area of its business and the processes of the order. In second part, the production analysis is carried out: production order path, production analysis for two reference parts, comparison of all time delay over two last years, find bottlenecks in the supply process. Base on analysis, theoretical approaches was described. In the last chapter there are suggestions for improvement of supply processes and thus shortening of production time of new orders.

Con el propósito de neutralizar los diversos problemas de pérdidas productivas, en los procesos constructivos se desea implementar la herramienta Value Stream Mapping (VSM) la cual pertenece a la filosofía Lean Manufacturing que es implementada en Lean Construction, con el fin de tener una construcción sin pérdida, dicha herramienta consiste en la creación de mapas que representan el procedimiento de las actividades y flujos de información necesarios para obtener un producto en su etapa final, en este caso sería la obtención de un elemento estructural. La cual nos podrá ayudar a obtener un diagnóstico del estado actual de los procesos. Value Stream Mapping no solo detecta los problemas productivos desde su origen, si no te ayuda a poder proponer mejoras en los procesos con el objetivo de poder eliminar las pérdidas productivas del proyecto en general. Una vez analizada las propuestas de mejora se procederá a realizar un mapa de estado futuro obteniendo un mayor rendimiento en el ciclo de producción. Los datos obtenidos en campo fueron tomados en un periodo aproximado de 3 meses en la obra “Condominio Bolivia Nº 4848” (Edificio Multifamiliar) dichos datos permitieron obtener el rendimiento productivo actual de los procesos, mediante la herramienta Value Stream Mapping se procedió analizar el estado actual y elaborar el mapas de flujos de valores para ver el estado futuro del proceso del elemento estructural. Para la elaboración del mapa del flujo de valor futuro se consideró las mejoras obtenidas por el Value Stream Mapping, finalmente, se justifica que si se puede mejorar los procesos constructivos a través de la herramienta Value Stream Mapping. / In order to neutralize the various problems of productive losses, in the construction processes we want to implement the Value Stream Mapping (VSM) tool which belongs to the Lean Manufacturing philosophy that is implemented in Lean Construction, in order to have a lossless construction, this tool consists in the creation of maps that represent the procedure of the activities and information flows necessary to obtain a product in its final stage, in this case it would be to obtain a structural element. Which can help us get a diagnosis of the current state of the processes. Value Stream Mapping not only detects productive problems from its origin, it does not help you to be able to propose improvements in processes in order to eliminate the productive losses of the project in general. Once the improvement proposals have been analyzed, we will proceed to make a future status map obtaining a higher performance in the production cycle. The data obtained in the field were taken in a period of approximately 3 months in the work "Bolivia Condominium No. 4848" (Multifamily Building) this data allowed to obtain the current productive performance of the processes, using the tool Value Stream Mapping proceeded to analyze the current state and develop the value flow maps to see the future state of the structural element process. For the development of the future value stream map, the improvements obtained by the Value Stream Mapping were considered, finally, it is justified that if construction processes can be improved through the Value Stream Mapping tool. / Tesis

Presented thesis entitled “Process performance analysis” deals with problems in identification of the causes of the increasing cost and declining quality of the products, their minimization or complete removal. Further analysis will address the cost of low quality, serving as a basis for possible recovery of the fleet. All material presented in this thesis were collected in the company of NEVOGA, s r.o. engaged in manufacturing parts for the construction industry.

The diploma thesis focuses on the implementation of production management tools in the form of modern ICT technologies. The final solution, divided into software and hardware part, assists the company in applying the principles of lean manufacturing and the theory of constraints. The work includes a proposal that helps to increase enterprise productivity and eliminates excess inventory in the organization.

Purpose – The purpose of this study is to increase the knowledge about the material handling of a module house manufacturing company. In order to achieve the study's purpose, three research questions were formulated. ▪ Which factors affect material handling? ▪ Which factors are considered important for material handling? ▪ How can standardization improve material handling? Method – The study has been characterized by an inductive approach to conducting the case study. To achieve the purpose, empirical data has been collected via a pilot study, interviews, observations, and document studies from reality. Subsequently, previous theories were examined via a literature collection. Furthermore, the processing and analysis of collected empirics and theory have helped to answer the purpose and demonstrate the generalizability of the study. Findings – The study has focused on the entirety of the various processes and an understanding of the various factors that influence material handling has been obtained. The case study company has challenges to look at the entirety of the modular house production and separates the production and construction sites. The wastes transport, movement, waiting and unused skills are considered to be the most important wastes to reduce or eliminate. It is clear that the case study company’s new employees must constantly reinvent the wheel and learn from their own mistakes. Moreover, it is difficult to determine if the mistake is a deviation, error or insufficient knowledge. By implementing a standard for what should be on drawings and how materials are to be delivered from production to the construction sites, deviations and wastes can be reduced and costs reduced. Implications – The study is based on a problem area that already exists in separate theories and comparisons. However, operations that have a material handling that both concerns manufacturing and construction work have not previously been investigated to the same extent, which is the theoretical contribution of the study. The empirical contribution to the study is to identify which factors affect material handling in businesses that have common flows between manufacturing and construction work. Limitations – The study only addresses two of the material handling flows; the material flow and the information flow. The study also does not take into account the processes of suppliers, subcontractors, or customers. Finally, the study will not include financial calculations to demonstrate potential cost efficiencies. Keywords – Material handling, Lean, Construction logistics, Wastes, Current flow, Value stream mapping, Lean tools.

Lean production and Lean philosophy have been developed, studied and implemented over the world since it was know from Toyota Production System. International manufacturers/OEMs have more or less developed their own Lean production systems. Over the years, arising challenges from new technology and internationalization have force the OEMs to understand and evaluate the design of supply chain to support their lean production system, and to manage the SC and compete as a whole against other supply chains. When apply Lean principles to the level of Supply Chain, coordination is an essential element to success. Today, researches have been done on joint efforts on decision making among supply chain actors, and applying Lean tools such as VSM on an extended level, namely a supply chain. Whereas the methods to improve SC coordination when implementing Lean through SC remain undeveloped. By interviewing Lean supply chain experts, experienced personnel in Supply Chain Management, and Lean experts from various organizations, a methodology to identify and visualize the improvement areas in supply chain coordination was designed. The methodology was then tested in a European OEM’s supply chain. Value Stream Mapping, as the base, was adapted to support identification and visualization of improvement areas in supply chain coordination. Several misalignments in the SC coordination were found in the current state, then visualized in current state map and approved by various SC actors. The methodology was then improved according to the process of testing. The purpose of this thesis is to develop a methodology to identify and visualize the improvement areas in (manufacturing) supply chain coordination within a Lean perspective.

El presente proyecto de tesis tiene como finalidad dotar a los e-commerce de moda textil de un modelo de gestión basado en herramientas de mejora de procesos a fin de reducir el porcentaje de devoluciones de prendas. El modelo contiene: SIPOC, Logística Inversa, Value Stream Mapping, Poka Yoke y una herramienta digital llamada Virtual Try On (o Virtual Room). El desarrollo empieza con el análisis del problema de las devoluciones y su impacto en las utilidades del e-commerce, luego se definen las áreas de impacto donde se evidencian las causas raíces, después de analizan los procesos y se ven los posibles puntos de mejora y al final se implementan las herramientas para mejorar los procesos de cada área de acuerdo a las necesidades de la empresa. El modelo se valida mediante una simulación con información recolectada de un año de un e-commerce de moda textil. Luego de ver las posibles mejoras a los procesos, se plantea la opción de implementar modificaciones a las áreas de Ventas y Logística. / The purpose of this thesis is to provide textile fashion e-commerce with a management model based on process improvement tools to reduce the percentage of garment returns. The model contains: SIPOC, Reverse Logistics, Value Stream Mapping, Poka Yoke and a digital tool called Virtual Try On (or Virtual Room). The development begins with the analysis of the problem of returns and its impact on the profits of e-commerce, then the areas of impact are defined where the root causes are evidenced, after the processes are analyzed and the possible points of improvement are seen and at the end the tools are implemented to improve the processes of each area according to the needs of the company. The model is validated through a simulation with information collected from a year of a textile fashion e-commerce. After seeing the possible improvements to the processes, the option of implementing modifications to the Sales and Logistics areas is proposed. / Tesis

El presente trabajo de investigación consta en analizar la cadena de abastecimiento que incluye la logística de entrada y la operación de los revestimientos de paneles de Fachada en la empresa P&C PERU dentro del sector Retail, en toda su dimensión, identificando los factores de mejora que afectan los resultados de la organización y a su nivel de competencia dentro del mercado local, de tal manera, se tiene como objetivo general: reducir los retrasos y pérdidas económicas en el suministro e instalación de paneles de fachada (cobertura) para futuros proyectos dentro de la organización, para ello, se toma como base el estudio de un proyecto ubicado en Punta Negra, en el cual se hará el diagnóstico de la situación actual a través de diagrama de flujo de procesos y el Value Stream Mapping (VSM) donde podemos plasmar las causas críticas que merecen estrategias a implementar dentro de un proyecto de mejoras tomando como referencia la Guía del PMBOK®, Gestión por Procesos, Lean Management, Supply Chain Management, uso de KPI’s. Finalmente, indicaremos las conclusiones y recomendaciones detectadas después del desarrollo del presente trabajo de investigación. / This research work allows us to analyze the supply chain that includes the inbound logistics and the operation of the panel coatings of the P&C PERU company within the Retail sector in all its dimensions and also identifying the critical causes and proposing improvements to see the results of the organization and its level competition within the local market , in such a way, the general objective is: to reduce delays and economic losses in the supply and installation of facade panels (coverage) for future projects within the organization, for this, it is taken as a basis the study of a project located in Punta Negra in which the diagnosis of the current situation will be made through a Process flow diagram and a Value Stream Mapping (VSM) where we can show the critical causes that deserve strategies to implement such as the use of PMBOK®, Process Management, Lean Management, Supply Chain Management, KPI's. Finally, we will indicate the conclusions and the recommendations detected after the development of this research work. / Trabajo de investigación

Saab is a global company that primarily operates in the defense industry. The study is conducted at the Project office within the Development Department at Saab Dynamics. In a GAP analysis carried out by Saab Dynamics, one of the company's processes has proved to be unclear. The process that has been noted as problematic concerns how Saab Dynamics receives, reviews and approves and stores technical documentation that accompanies incoming deliveries. The study aims to clarify how the Development Department and the Purchasing Department collaborate on the work step and clarify how quality assurance of required documentation takes place in the current situation and how it can be improved. In the study, theory of total quality management, organizational theory as well as processes and Lean have been used. The case study has a qualitative approach as the focus aims to get a holistic view of the working methods on a specific process at Saab Dynamics that has been studied. The method used to collect data is documentation review and interviews of employees at the company. The result describes an unclear division of responsibilities regarding the work step between the Purchasing and Development Department and there is no clear process for quality assurance of required documentation. In order to have an efficient process, Saab Dynamics needs to eliminate the variation and waste that currently exists. Finally, an implementation proposal is presented for a standardized process for the work step.