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Authors
Abstract(s)
O mercado atual é altamente competitivo e os clientes são cada vez mais exigentes. Neste
contexto, é fundamental que as organizações adotem ferramentas e modelos que aumentem
a eficácia e eficiência dos processos, garantindo a sua competitividade. A filosofia Lean e os
seus princípios têm-se revelado amplamente úteis e eficazes ao longo dos anos em diversos
setores industriais.
O objetivo principal deste relatório é a implementação de ferramentas Lean,
nomeadamente o Value Stream Mapping (VSM) e outras ferramentas complementares,
para otimizar o processo produtivo de uma família de produtos na indústria de tratamento
de produtos metálicos para marcas de moda de luxo.Foi realizado um estudo de caso que se
iniciou com um amplo reconhecimento do setor e do funcionamento do processo produtivo
da empresa em questão, com vista a uma análise detalhada das etapas de produção com
recurso ao VSM. Após a recolha de dados, procedeu-se a uma análise que identificou as
atividades de valor acrescentado, as atividades sem valor acrescentado e os desperdícios.
Elaborou-se o VSM atual, que revelou um Lead Time,
LT ˜ 336 horas ˜ 14 dias, as atividades que agregam valor (Value-Added), VA ˜ 21 horas e
uma eficiência do ciclo do processo (Process Cycle Efficiency), PCE = 6,29 %, em termos de
produtividade e eficiência na utilização de recursos.
Foram propostas ações de melhoria para reduzir desperdícios e aumentar a competitividade
da organização. Após a implementação das melhorias, observou-se uma redução do LT para
˜ 318 horas ˜ 13 dias, do VA para ˜ 23 horas e um consequente aumento da eficiência do
processo para PCE = 7,15%.Além disso, foi possível alcançar uma redução de custos de 757€.
Apesar das limitações do VSM em fluxos descontínuos, a sua utilização permitiu um
aumento da eficiência do processo. Este caso de estudo demonstra a aplicabilidade do VSM
em contextos industriais complexos e diversos, realçando a importância de estudos futuros
para uma análise mais aprofundada e uma aplicação mais precisa desta ferramenta.
Today's market is highly competitive, and customers are increasingly demanding. In this context, organisations must adopt tools and models that increase the effectiveness and efficiency of their processes, ensuring their competitiveness. The Lean philosophy and its principles have proved to be widely useful and effective over the years in various industrial sectors. The main aim of this report is to implement Lean tools, namely Value Stream Mapping (VSM) and other complementary tools, to optimise the production process of a family of products in the metal product processing industry for luxury fashion brands. A case study was carried out which began with an extensive analysis of the sector and the functioning of the production process of the company in question, with a view to a detailed analysis of the production stages using VSM. After collecting the data, an analysis was carried out to identify the value-added activities, the non-value-added activities, and the waste. The current VSM was drawn up, which revealed a Lead Time, LT˜ 336 hours˜ 14 days, Value-Added activities, VA˜ 21 hours, and a Process Cycle Efficiency, PCE = 6.29 %, in terms of productivity and efficiency in the use of resources. Improvement actions were proposed to reduce waste and increase the organisation's competitiveness. After implementing the improvements, there was a reduction in LT to˜ 318 hours 13 days, in VA to ˜ 23 hours, and a consequent increase in process efficiency to PCE = 7.15 %. In addition, a cost reduction of €757 was achieved. Despite the limitations of the VSM in discontinuous flows, its use has led to an increase in process efficiency. This case study demonstrates the applicability of VSM in complex and diverse industrial contexts, emphasising the importance of future studies to analyse this tool in greater depth and apply it more precisely.
Today's market is highly competitive, and customers are increasingly demanding. In this context, organisations must adopt tools and models that increase the effectiveness and efficiency of their processes, ensuring their competitiveness. The Lean philosophy and its principles have proved to be widely useful and effective over the years in various industrial sectors. The main aim of this report is to implement Lean tools, namely Value Stream Mapping (VSM) and other complementary tools, to optimise the production process of a family of products in the metal product processing industry for luxury fashion brands. A case study was carried out which began with an extensive analysis of the sector and the functioning of the production process of the company in question, with a view to a detailed analysis of the production stages using VSM. After collecting the data, an analysis was carried out to identify the value-added activities, the non-value-added activities, and the waste. The current VSM was drawn up, which revealed a Lead Time, LT˜ 336 hours˜ 14 days, Value-Added activities, VA˜ 21 hours, and a Process Cycle Efficiency, PCE = 6.29 %, in terms of productivity and efficiency in the use of resources. Improvement actions were proposed to reduce waste and increase the organisation's competitiveness. After implementing the improvements, there was a reduction in LT to˜ 318 hours 13 days, in VA to ˜ 23 hours, and a consequent increase in process efficiency to PCE = 7.15 %. In addition, a cost reduction of €757 was achieved. Despite the limitations of the VSM in discontinuous flows, its use has led to an increase in process efficiency. This case study demonstrates the applicability of VSM in complex and diverse industrial contexts, emphasising the importance of future studies to analyse this tool in greater depth and apply it more precisely.
Description
Keywords
Desperdícios Indústria de Peças Metálicas. Lean Manufacturing Otimização de Processos Value Stream Mapping