Dissertações em Engenharia Civil (Mestrado) - PPGEC/ITEC

URI Permanente para esta coleçãohttps://repositorio.ufpa.br/handle/2011/2304

O Mestrado Acadêmico foi aprovado pela CAPES em 1999 e inicou-se em 2001 pertente ao Programa de Pós-Graduação em Engenharia Civil (PPGEC) do Instituto de Tecnologia (ITEC) da Universidade Federal do Pará (UFPA).

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Fluxo contínuo: ferramenta do Sistema de Produção Enxuta aplicado ao processo de produção de estacas pré-moldadas de concreto para fundações
(Universidade Federal do Pará, 2009-07-03) BARBOSA, Christiane Lima; LIMA, Adalberto da Cruz; http://lattes.cnpq.br/7803369097132222
This work aimed at the implementation of continuous flow in the production of piles of pré-cast concrete for foundation, based on Lean Production System. Principles governing the lean production, elimination of waste and value stream mapping in a real situation were used to obtain results of this application, showing a lean transformation, with significant reductions in waste generated in the production process of the cutting handle. The research period was eight months in a private company, which through the use of tools such system and methodology of action research, it was possible to identify the critical process – locksmiths – where to focus the actions of improvement, with the change of layout, reduction of waste and creation of a unit production, encouraging the application of continuous flow in the production chain. In developing the survey, were conducted on-site training with the future operators of the cell locksmiths, who participated actively in promoting improvements. The result of the implementation of the continuum is the sequencing of production by means of cell layout and synchronizing the supply chain supermarkets. The determination of the takt time of 14 minutes, the size of Pichi and the new layout for the cell, have reduced by 80% to move down the factory, 15% of total earning of area, decrease of 66,5% in the displacement of locksmiths. These changes have benefited the other two stages of the process (hardware and concrete) also in the reduction of waste with drives. As a result, we obtained a clear flow of information through the supermarket inside the cell of production, the establishment of a flow of material and people without interruptions, promoting the implementation of continuous flow. However, creating the continuous flow in the production of piles of pre-cast concrete, in a private company, depends on organizational factors on the managerial style, commitment and delegation of powers, since the immediate interruption of the production process in the event of problems, only became possible through the intervention of the general management, hampering the pursuit of improvements in the production line as the other processes.

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