Uma exploração dos modelos de uso integrado da teoria das restrições, produção enxuta e seis sigma

Pós-graduação em Engenharia de Produção - FEB

Análise do processo de gestão de portfólio de projetos seis sigma em indústrias brasileiras do setor automotivo

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Verificação da eficiência da metodologia Seis Sigma na redução da divergência de estoque em uma indústria de condutores de fluídos

This work was developed in order to reduce the discrepancy found between the stock data of an item in the system and the amount found physically in stock in the company presented on this study case. Therefore, this paper makes a study on system of information that can assist in the collection, control and manipulation of data regarding the company's stock. It is very important to do the inventory management, so we can control the level of this sub-product to meet sales orders and production. In the study discussed below, we used the Six Sigma methodology to identify points that had flaws in the process and thus improve their work where the results show grater process control and provide a reliable database to the point where no further problems of lack of components in stock

A aplicação da teoria do lean seis sigma na prestação de serviços no setor agrícola

This thesis aims to analyze the applicability of Lean Six Sigma and DMAIC to improve processes focused on agriculture. We discuss the origins of each system separately, Lean Manufacturing, the Toyota plants in Japan, and Six Sigma, by Motorola in the U.S., and then appears to merge them and can meet their complementarities and synergy between their tools. Finally, we describe a case study focused on the harvesting department, applicable to all types of manuals crops, covering the production of fruits, vegetables and greens. This study shows the ability to reduce costs, increase productivity and elimination of defects that the methodology developed with the fusion of Lean Manufacturing with Six Sigma allows

Projeto DMAIC com ferramentas Seis Sigma para redução de sucata em uma multinacional do ramo de acessórios automobilísticos

In this era of globalization, with fierce competition in the labor market, using the reduction cost strategy and resources optimization, has become a competitive advantage. In this graduation study, it will be exposed in form of case study the DMAIC project (Define Measure Analyze Improve Control) execution, using of Six Sigma's tools, statistical and quality knowledge, with intent of analyze, improve and control the processes of a selected problem, always demonstrating good practice of methodologies. In an auto parts multinational branch, It was identified a high scrap rate in one of his production lines. This work will study this problem to improve their processes and ensure that these improvements are perpetual. As a result, reached the stipulated goals, increasing Corporation's Intellectual, thereby providing a competitive advantage

Otimização do processo de MRP (Material Requirement Planning) de embalagens: uma aplicação da metodologia lean six sigma em uma indústria de agronegócios

There is a growing search for continuous improvement within the companies which creates an obligation of reducing and when it is possible eliminating waste. Production Planning and Control Department (PCP) is not out of this question, making necessary the application of methods and creation of tools that eliminate steps which do not add value to the planning process. This paper aims to develop a tool which concentrates in just one place all the necessary information to make the packaging material requirement planning (MRP) in a agribusiness company. Besides, it also aims, in a more visual way and using devices that prevent mistakes (Poka-Yoke), to reduce the number of reviews and mistakes made by analysts. As a result, an Excel spreadsheet was developed. This spreadsheet shows what happens with the status of planning and receiving of packaging, giving some advices when some critical situation happens. The use of Lean Manufacturing Method and the action research method helped to well define the problem and to reduce the number of steps, spreadsheets and time of process in 80%, 60% and 75%, respectively

Lean six sigma como estratégia para o aumento de eficiência em laminação de alumínio

This study aims to assess the implementation of Lean Six Sigma in the preparation of plates and hot lamination process for a company of aluminum rolled products, to improve the quality, productivity and process efficiency. As a basis for achieving these goals, the DMAIC methodology and various quality tools such as Cause Effect Diagram, Process Flow, SIPOC, Pareto, FMEA and Control Chart were used, trying to propose improvements to processes and increase their efficiency. The results were significant and were the basis for the continuation of a continuous improvement project throughout the factory

Projeto DMAIC com ferramentas six sigma para redução de custos logísticos de uma multinacional

This work has a focus on project execution DMAIC ( Define Measure Analyze Implement Control) , using the statistical and quality tools to identify , analyze and implement improvements in a given process in order to reduce costs telephony transport of a multinational consumer goods . The multinational consumer goods to be studied has outsourced carriers who perform the distribution of its products , which may lead them straight to their factories or one of its distribution centers to the points of sale ( supermarkets , bakeries , gas stations , convenience cafeterias , among others ) . Whenever there is an unexpected situation or some problem at the time of delivery of the goods to the customer opens an occurrence , ie , the carrier responsible for contacts ( 0800 ) with the contact center company of consumer goods which in turn registers the occurrence, analyzes and sends a response action to the carrier . This work will study the problem with a high number of connections to handle occurrence , through analysis and data collection , identify improvement opportunities, implement them and monitor the results to ensure that the gain and loss reduction are sustainable

Identificação de causas especiais no processo que aumentam a ocorrência de poro na solda de tubos de aço: aplicação etapas definir, medir e analisar do DMAIC

This work covers the methodology Six Sigma with the application of the steps Define, Measure and Analyze a company of steel tubes, with the objective of identify special causes in the process that drives the creation of the pore defect in the solder. It is highlighted the fact that this work is the base of an continuous upgrade project that aims in eliminating the occurrence of this defect. The motivation is given to the necessity of improving the productivity of the factory, considering that the defect occurs at random and your causes are unknown. This way, it was defined that the problem to analyze, measured the capability of the process in DPMO and analyzed with the aid of graph by attribute P. The results show the process that present special cases, as well as the process considered ideal, This way it was stated that in this work, the processes destabilized and the controlled, allowing a comparison of the characteristics for the elaboration of concise action plans to eliminate the defect. The project must follow the steps Upgrade and control the methodology Six Sigma, in order to ensure success in his execution, aiming to amplify the competitive edge of the business

Aumento na precisão de indicadores de produção: um estudo de caso na indústria têxtil

TThis work deals with present how to increase the accuracy of productivity indicators, aiming to increase the information accuracy of performance indicators and propose improvements to the process in question, more specifically to improve the visualization of information from these indicators for all hierarchical levels of the company, and then make possible use them to assist in the processes of decision making and planning of the production process. We start with an analysis of the current process to be studied seeking sources of information losses during the production process. Afterwards, a specific analysis of the points considered critical, so alternatives are raised for improvements to these points. This project has some specific tools and methodologies that guide the development of work which are required of any project carried out in the company

Estudo de caso: aplicação do método DMAIC-White Belt- na redução de latas amassadas em uma produção de leite em pó

This work consists of the implementation of the steps Define, Measure , Analyze , Improve and Control ( DMAIC ) to develop a Six Sigma project in an industry the food industry. The objective was to demonstrate a potential for reducing the occurrence of crushed cans in potting milk powder industry in a White Belt project. The food industry accounts for about 9 % of Brazil's gross domestic product ( GDP ), generating thousands of jobs . Among the major sectors of the food industry is the manufacturing sector of milk , occupies approximately 10 % of the total turnover of the food industry . Brazil is considered today one of the eight largest producers of milk powder in the world. The milk powder is packed , mostly for aluminum cans that are lined internally with varnishes and other materials to protect the milk of metals from aluminum. When the cans are dented food protection is compromised and may lead ingestion causing dis-eases such as botulism. Aiming to solve the problem of dented cans methodology was used as a case study with a quantitative approach through the DMAIC method. Some quality tools used in each step of the project as brainstorming , cause and effect diagram , flowchart , ef-fort and impact matrix, 5W1H , among other Pareto diagram is presented . A survey about the disposal of cans in the company verifying a mean loss and, from this histor-ical , a goal loss was calculated was performed . With the target set we calculated the annual saving design . During application of DMAIC was found that the highest rate of loss occurred in transportation between the factory and the factory that fills cans milk . Several actions were taken to resolve problems that resulted in dented cans and the first two months of phase control it was found that the smaller losses calculated target resulting in a saving for the company. The short time of implementa-tion of the Improve phase did not allow a more detailed a ...

Procedimentos para análise de lucratividade de produtos no setor de autopeças metálicas

In a globalized world, organizations face an increasingly dynamic, innovative and competitive environment, so that this condition requires continuous adaptation to market developments. Intense competition requires organizations to further improve their performance, making productive efficiency a key factor for survival. A methodology that has added value to the product through a reconfiguration of the production method is the implementation of a management philosophy called Lean Six Sigma. The main objective of this work is, in the light of the Lean Six Sigma philosophy, intervene in a critical-collaborative way to develop procedures for analyzing the profitability of products in a company specializing in steel processing. To achieve this goal, were applied the method of action-research to intervene in a group of professionals for the study of the profitability of products in a auto parts industry. The interaction of practical and theoretical knowledge provided by the action-research allowed the business program was enhanced. The procedures proposed in this study were able to identify the current profitability of the product, the main causes of inefficiency and productive for solutions to reduce production inefficiencies, when the productive systems planned and actual production system were compared. The results indicate that current profitability of -3%, while the parameter provided during budget was 10%. Thus, it is concluded that the low profitability of the products may compromise the company's financial results and affect their competitiveness in the market. To address this problem, the Lean Six Sigma presents itself as a versatile and high applicability philosophy, providing relevant results for characterization and troubleshooting. It was also observed that the evidence presented in this paper can be adapted to other companies in the metal auto parts segment to identify and recover the profitability of products

O planejamento e desdobramento em ações da estratégia de uma pequena empresa varejista

This thesis presents a way to plan and deploy the strategy of a small retailing company with use of lean six sigma technics. In small companies there are mostly no future strategic planning based on the external market and customer needs. Aiming for effective strategies, it is necessary to deal with significant information and transparency of plans and targets. With lean six sigma method it can be achieved and this Thesis has the purpose of analysis of the method application in the creation of a strategy for a small company in the city of Franca, state of São Paulo. The outcomes are a financial and market analysis, a structured strategic planning, an employees function outline, the creation of plans, indicators and targets, and the employees and owners' opinion regarding the new way of working

O planejamento e desdobramento em ações da estratégia de uma pequena empresa varejista

This thesis presents a way to plan and deploy the strategy of a small retailing company with use of lean six sigma technics. In small companies there are mostly no future strategic planning based on the external market and customer needs. Aiming for effective strategies, it is necessary to deal with significant information and transparency of plans and targets. With lean six sigma method it can be achieved and this Thesis has the purpose of analysis of the method application in the creation of a strategy for a small company in the city of Franca, state of São Paulo. The outcomes are a financial and market analysis, a structured strategic planning, an employees function outline, the creation of plans, indicators and targets, and the employees and owners' opinion regarding the new way of working

Seis sigma : um estudo aplicado ao setor eletrônico

O tema deste trabalho é a metodologia Seis Sigma. O objetivo principal é apresentar e desenvolver uma metodologia para aplicação do Seis Sigma e desenvolver estudo aplicado. Inicialmente, é realizada uma revisão bibliográfica, enfocando os temas qualidade, satisfação do cliente e Seis Sigma. Na seqüência, é apresentada uma proposta de modelo para a aplicação do Seis Sigma em processos industriais. O modelo proposto aborda a estrutura para aplicação do Seis Sigma, os treinamentos e as principais atividades e ferramentas do ciclo DMAIC (Define, Measure, Analyse, Improve e Control). O modelo proposto é aplicado através de uma série de projetos. Um desses projetos é descrito detalhadamente, ilustrando o modelo proposto. Os resultados apresentados na aplicação do Seis Sigma são amplamente positivos. Os resultados obtidos abrangem melhorias radicais de qualidade, produtividade e custos. As atividades e ferramentas que apresentaram melhores resultados são destacadas. Apesar do Seis Sigma estar associado à aplicação intensiva de estatística, verifica-se que, de um modo geral, o Seis Sigma pode ser aplicado de um modo mais simplificado.