Tesis Ingeniería Industrial Procesos de Automatización

Permanent URI for this collectionhttp://repositorio.uta.edu.ec/handle/123456789/17

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    Mejora de la productividad en la Empresa de Calzado LUDWINGFER con herramientas de manufactura esbelta
    (Universidad Técnica de Ambato. Facultad de Ingeniería en Sistemas, Electrónica e Industrial. Carrera de Ingeniería Industrial en Procesos de Automatización, 2020-10) Coyago Brito, Bryan Vicente; Tigre Ortega, Franklin Geovanny
    ABSTRACT The purpose of the research project is to prepare a proposal to improve productivity in the footwear company "LUDWINGFER" with lean manufacturing tools, evaluating all the waste that affects the processes and eliminate all activity that does not add value. By means of a bibliographic and field investigation, four stages are proposed for the development of the project, the analysis of the current situation of the company through the collection of information of the posts of the productive process, the identification of the wastes and activities that do not add value, the selection of tools of the lean manufacture that allow the improvement of the processes and the elaboration of the proposal of improvement of the productivity, all this supported by the software FlexSim for the verification of results. The improvement proposal consists of a plan where a balance of lines is proposed to group the workstations in 10 stations and obtain an efficiency of 70,93 percent, later a plant distribution is made by means of the SLP method to reduce the transport distances from 217,10 meters to 70,60 meters. It is also proposed to implement the 5S methodology to standardize all the aspects that allow the processes to be more efficient and as a last part it is proposed to implement a Kanban board as a visual control to limit the production of each work station to 12 pairs of shoes. With the FlexSim software, the implementation of all the proposed tools is verified, obtaining a monthly production of 2051 pairs of shoes, achieving the goals set by the company in addition to increasing productivity by 10.00 percent by optimizing the available resources and improving the production processes of the LUDWINGFER company.
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    Análisis Lean Six Sigma en el proceso de inyección de suelas de calzado en la Empresa Plasticaucho Industrial S.A.
    (Universidad Técnica de Ambato. Facultad de Ingeniería en Sistemas, Electrónica e Industrial. Carrera de Ingeniería Industrial en Procesos de Automatización, 2020-08) Abril Flores, Luis Byron; Morales Perrazo, Luis Alberto
    Abstract The waste of the productive processes as delays detects the breach of the production plan as well as the losses of capacity and economic, therefore, this investigation has as a consequence a Lean Six Sigma analysis in the process of injection of shoe soles in the company Plasticaucho Industrial S.A. The project has a quantitative and qualitative approach, based on the DMAIC methodology that has the stages of definition, measurement, analysis, improvement and control of Lean Six Sigma, a non-probabilistic sampling is used for convenience and cycle time data is collected of mold change by means of the zero-turn timing technique; The data collected is processed using the Minitab software, to finally establish a proposal for improvement through the SMED system and validate the results with the simulation in FlexSim 2019. Based on the results obtained, the main problem that affects the fulfillment of the production plan is the change of normal mold, which is mainly due to not using necessary work tools and undetermined roles of the workers, then the sigma level is determined having a value of 2,33 on average, indicating that the centering of the process is approximate. It is concluded that the mold change process has an average yield of 79.34%, and an annual loss amount of $ 38.564,04. Therefore, it indicates the process does not meet the specification and requires improvement actions for the entire injection area.