961 resultados para Lean Production, Kanban, Supermarket, Magazzini, Giacenze


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Diante do novo cenário internacional globalizado e competitivo, as montadoras têm desenvolvido novas configurações de cadeias de suprimentos e estratégias operacionais, buscando atender às exigências da atual cadeia de valores deste segmento industrial. O objetivo do presente estudo é analisar a estratégia operacional e a cadeia de suprimentos de uma das novas montadoras que se instalou no Brasil, examinando prioritariamente como está definida e o porquê está assim definida. Para que o objetivo fosse atingido, foi estudada sua organização industrial, pois se percebeu que uma cadeia de suprimentos deve estar suportada por uma operação. O estudo realizado evidenciou que a montadora utiliza as melhores práticas operacionais desenvolvidas, porém no contexto local. Ela apresenta dimensões operacionais que vão do fordismo ao lean production, existindo dimensões que podem em um momento assumir uma característica puramente fordista e em outro momento apresentar características lean, sistema operacional baseado na flexibilidade. A cadeia de suprimentos da montadora em questão também se baseia nas melhores práticas de suprimentos. Ela não inova na questão dos modelos. Sua escolha é bastante conservadora, pois segmentou sua cadeia de suprimentos em três diferentes estratégias: outsourcing, just-in-time e gestão de estoques. Talvez aí esteja sua inovação, apresentar flexibilidade de implementar a melhor prática para o contexto econômico e social que encontrou no país. Como conclusão do estudo, foi possível determinar exatamente quais variáveis definem sua cadeia de suprimentos. Uma metodologia flexível, estruturada e consistente guia essa montadora em suas decisões operacionais estratégicas.

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Com o substancial avanço da competitividade, crescem os interesses pela discussão de mecanismos potencializadores de implantação de novas tecnologias de gestão das operações das empresas, percebidas como um lastro de sustentação das organizações, necessário num mundo globalizado, no qual o poder de influência dos consumidores tem ganhado inegável relevância. Entretanto, a realidade tem revelado dificuldades de inclusão dessas abordagens em algumas empresas brasileiras, sobretudo naquelas de menor porte. Uma das barreiras são, indiscutivelmente, as limitações de recursos, aliadas às poucas alternativas de crédito de baixo custo disponibilizadas no mercado nacional para este segmento de empresas. Diante deste cenário, consultores independentes têm o enorme desafio de internalizar nestas organizações modelos de gestão mais coerentes com a dinâmica da economia atual, tendo como obstáculos adicionais as resistências culturais naturais à incorporação de algumas filosofias de administração modernas como o Lean e a Teoria das Restrições, questionadoras de conceitos tradicionais e detentoras de visões singulares, mas igualmente potencializadoras de resultados efetivos, a um baixo custo. Este trabalho objetivou, por um lado avaliar o contexto no qual os pequenos negócios estão inseridos, e, por outro, propor um modelo de apoio para consultoria voltado para este segmento de empresas, no qual os consultores assumem preponderantemente papeis de educador e coach, de maneira a elevar as chances não somente da implantação de técnicas mais modernas de gestão de operação, mas também de sua incorporação definitiva nestas organizações.

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Pós-graduação em Engenharia de Produção - FEB

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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As empresas do setor da construção civil em Belém, estão buscando formas de melhorar seus processos e métodos construtivos através da implementação dos elementos e ferramentas do sistema de produção enxuta. O objetivo deste trabalho consistiu em avaliar os casos de sucesso e fracasso, através de um estudo exploratório da implementação do sistema de produção enxuta nos canteiros de obras na cidade de Belém do Pará, para identificar quais os elementos e ferramentas desse sistema são mais usadas na construção civil da cidade em questão. Desta forma, realizou-se uma ampla pesquisa bibliográfica sobre o assunto, mostrando a evolução histórica desde a criação da administração científica, destacando os precursores da administração da produção, em seguida, relatando o surgimento do sistema de produção enxuta, assim como suas origens e pilares, destacando seus elementos e ferramentas. A metodologia de pesquisa utilizada foi estudo de caso de caráter exploratório, onde o foco foram os gestores que atuam aplicando a produção enxuta em suas obras. Os dados foram coletados através da aplicação de um questionário com classificação de perguntas, fechadas e de múltipla escolha, composto por vinte questões objetivas, afim de, gerar dados para responder a questão de pesquisa. Após a coleta dos dados, foram geradas tabelas e gráficos para análise dos resultados. Os resultados analisados apontaram os elementos e ferramentas lean mais utilizados, além de apresentar as maiores dificuldades na implementação do sistema de produção enxuta, e em seguida, foi realizado uma correlação entre as dificuldades encontradas com a literatura pertinente. A partir disso, concluiu-se que as empresas não estão totalmente comprometida com o sistema de implementação de melhorias (SPE), de maneira que isto desmotiva os operários e cria resistência a mudanças.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The civil construction sector has been stimulated to industrialize itself by the adoption of lean production practices in its constructive process. Given this fact, this research verify and identify good practices and difficulties in implementing lean production in construction companies in the State of São Paulo, in order to be able to formulate recommendations to potentiate the performance of the lean concepts applied. The research method used was a multiple case study, where the companies analyzed are constructors that have already initiated the lean application in their systems. From the results, a case analysis was conducted in order to note the constructors' situation in relation to lean construction and, base on this analysis, recommendations were proposed for the companies reflect on lean principles and apply them along to your construction management

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Based on the fierce competitiveness of manufacturing companies and the planning problems arising from the lack of flexibility and forecasting demand, companies are increasingly looking to reflect on the most appropriate methods to manage its manufacture. Today it is possible to obtain higher gains and lower costs through very efficient tools, this paper uses action-research to model and implement the physical layout of a manufacturing cell, with strong theoretical basement returned to Lean Production System and acting systematically in flexibility in mounting. Through observation and joint action of the observer and staff can report problems that occurred during the phases of planning and implementation of improvements. With the improvement of the physical arrangement in the assembly was possible to obtain significant gains by reducing the production cycle, the manpower required, spending of non-compliance and increasing productivity, final product quality and health in the workplace

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Continuous improvement of industrial processes is one way to become companies more competitive in the market. For this, a fairly widespread use is the methodology of lean production systems, by eliminating waste. One of the tools of these systems is the method of rapid exchange of die or also called SMED, which will be applied in this study. The study aims to develop proposals for reducing the time of set up of two machines in two machining lines, watching also the ergonomics and safety conditions in this operations. The set up time reduction is justified among others, due to increase the machine productivity. In applying the connecting rod machining line, there were two types of exchange. Reductions in time to set up proposals reached values of 47% to one of them, and 55% to the other. It is important to underline that to reach this result, there was no need for large investments. In the application in block machining line, was developed an improvement in the ergonomic area. It was placed a pulley block that came to increase the time of tool change. Aiming to improve the security of the exchange, without productivity loss, the method was applied to reduce this time. It was developed two proposals.: the first would reduce that time by 19%, and does not require many resources of the company. The second involves the parallelization of the exchange, so that the reduction is 48%. However, this proposal requires one more manpower at the time of exchange and it is not always possible

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The pharmaceutical industry was consolidated in Brazil in the 1930s, and since then has become increasingly competitive. Therefore the implementation of the Toyota Production System, which aims to lean production, has become common among companies in the segment. The main efficiency indicator currently used is the Overall Equipment Effectiveness (OEE). This paper intends to, using the fuzzy model DEA-BCC, analyze the efficiency of the production lines of a pharmaceutical company in the Paraíba Valley, compare the values obtained by the model with those calculated by the OEE, identify the most sensitive machines to variation in the data input and develop a ranking of effectiveness between the consumer machinery. After the development, it is shown that the accuracy of the relationship between the two methods is approximately 57% and the line considered the most effective by the Toyota Production System is not the same as the one found by this paper

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The objective of this study was to identify the facilitators and restrictive factors promoted by the organizational culture on the implementation of a continuous improvement program in a company. The influence of organizational culture on tools used to improve processes and results demonstrate critical factors for international competitiveness, reflecting a company's strategy. Depending on how new working methods are implemented, organizational changes to reduce variation and waste, such as lean production, can affect the employee experience in the workplace and their learning conditions. Changes and formalization of the work process can be coercive, characterized by forced compliance, introduction of rules, and focus on technical and financial methods; or may be favorable, encouraging employee involvement in problem solving and stressing learning and innovation. The basis of the analysis lies with two models for assessing organizational culture - Denison Model and Competing Values Framework. The methodology used was: conducting interviews, a questionnaire, literature review and documentary analysis of a large company equipment industry. Results suggest that organizational culture plays an important role in the adoption of Lean practices. It can contribute to its effectiveness and job satisfaction, but it is not decisive feature of their success. The conclusion is that the organizational culture becomes a driving factor when aligned to the proposed practices and when taken into consideration for planning, acting as a limitation when it does not promote development and a participative environment

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The pharmaceutical industry was consolidated in Brazil in the 1930s, and since then has become increasingly competitive. Therefore the implementation of the Toyota Production System, which aims to lean production, has become common among companies in the segment. The main efficiency indicator currently used is the Overall Equipment Effectiveness (OEE). This paper intends to, using the fuzzy model DEA-BCC, analyze the efficiency of the production lines of a pharmaceutical company in the Paraíba Valley, compare the values obtained by the model with those calculated by the OEE, identify the most sensitive machines to variation in the data input and develop a ranking of effectiveness between the consumer machinery. After the development, it is shown that the accuracy of the relationship between the two methods is approximately 57% and the line considered the most effective by the Toyota Production System is not the same as the one found by this paper

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The objective of this study was to identify the facilitators and restrictive factors promoted by the organizational culture on the implementation of a continuous improvement program in a company. The influence of organizational culture on tools used to improve processes and results demonstrate critical factors for international competitiveness, reflecting a company's strategy. Depending on how new working methods are implemented, organizational changes to reduce variation and waste, such as lean production, can affect the employee experience in the workplace and their learning conditions. Changes and formalization of the work process can be coercive, characterized by forced compliance, introduction of rules, and focus on technical and financial methods; or may be favorable, encouraging employee involvement in problem solving and stressing learning and innovation. The basis of the analysis lies with two models for assessing organizational culture - Denison Model and Competing Values Framework. The methodology used was: conducting interviews, a questionnaire, literature review and documentary analysis of a large company equipment industry. Results suggest that organizational culture plays an important role in the adoption of Lean practices. It can contribute to its effectiveness and job satisfaction, but it is not decisive feature of their success. The conclusion is that the organizational culture becomes a driving factor when aligned to the proposed practices and when taken into consideration for planning, acting as a limitation when it does not promote development and a participative environment