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Abstract(s)
Lean Seis Sigma é uma filosofia que combina a estratégia Lean e Seis Sigma, para reduzir custos e melhorar a eficiência das empresas, reduzindo a variabilidade dos processos e eliminando desperdícios e atividades que não agregam valor. Esta é uma filosofia utilizada em vários setores, cujo sucesso depende sobretudo do envolvimento da gestão, dos funcionários e do compromisso com a melhoria da satisfação do cliente. Mas quando o foco é a produtividade e otimização dos processos, manter a segurança e o envolvimento dos colaboradores pode ser um desafio. Assim, é importante que a implementações de ferramentas de melhoria contínua, tenham em conta os aspetos relacionados com a Segurança Ocupacional, uma vez que a ocorrência de incidentes podem interromper a atividade e colocar em risco toda a desempenho das empresas. O objetivo deste trabalho é avaliar de que forma a implementação desta filosofia tem impacto na Segurança e Saúde do Trabalho, em especial se a maturidade de um sistema de melhoria pode afetar a cultura de segurança da empresa. Para tal desenvolveu-se um modelo conceptual que permite relacionar a maturidade de implementação de ferramentas Lean Seis Sigma com a cultura de segurança das empresas. O modelo foi validado através da realização de um inquérito dirigido a empresas que implementam ferramentas Lean ou Seis Sigma. O estudo estatístico efetuado aos resultados obtidos do inquérito, permitiu comprovar a fiabilidade do inquérito, uma vez que o valor obtido de Alfa de Cronbach foi de 0,92. No entanto não se conseguiu comprovar estatisticamente, que a maturidade de implementação de ferramentas Lean Seis Sigma está relacionada níveis de cultura de segurança superiores. No entanto este estudo permitiu concluir que as empresas, sobretudo do setor industrial português, que participaram na amostra, utilizam maioritariamente as ferramentas 5S, Gestão visual, Standard Work, Kaizen diário e Kanban, e que a certificação nos referenciais ISO 45001 e 14001 está relacionada afeta positivamente a cultura de segurança das organizações.
Lean Six Sigma is a philosophy that combines the Lean and Six Sigma strategy to reduce costs and improve the efficiency of companies, reducing the variability of processes and eliminating waste and activities that do not add value. This is a philosophy used in several sectors, whose success depends mainly on the involvement of management, employees, and commitment to improving customer satisfaction. But when the focus is on productivity and process optimization, maintaining safety and employee involvement can be a challenge. Thus, it is important that the implementation of continuous improvement tools, consider aspects related to Occupational Safety, since the occurrence of incidents can interrupt the activity and endanger the entire performance of companies. The objective of this work is to evaluate how the implementation of these philosophies has an impact on Occupational Health and Safety, especially if the maturity of an improvement system can affect the company's safety culture. To this end, a conceptual model was developed that allows to relate the implementation maturity of Lean Six Sigma tools with the security culture of companies. The model was validated by conducting a questionnaire addressed to companies that implement Lean or Six Sigma tools. The statistical study carried out on the results obtained from the survey, allowed to prove the reliability of the survey, since the value obtained from Cronbach's alpha was 0.92. It was not possible to prove statistically, that the implementation maturity of Lean Six Sigma tools is related to higher levels of safety culture. However, this study allowed us to conclude that companies, mainly from the Portuguese industrial sector, which participated in the sample, mostly use the tools 5S, Visual Management, Standard Work, Daily Kaizen and Kanban, and that the certification in ISO 45001 and 14001 is related positively affects in the safety culture of organizations.
Lean Six Sigma is a philosophy that combines the Lean and Six Sigma strategy to reduce costs and improve the efficiency of companies, reducing the variability of processes and eliminating waste and activities that do not add value. This is a philosophy used in several sectors, whose success depends mainly on the involvement of management, employees, and commitment to improving customer satisfaction. But when the focus is on productivity and process optimization, maintaining safety and employee involvement can be a challenge. Thus, it is important that the implementation of continuous improvement tools, consider aspects related to Occupational Safety, since the occurrence of incidents can interrupt the activity and endanger the entire performance of companies. The objective of this work is to evaluate how the implementation of these philosophies has an impact on Occupational Health and Safety, especially if the maturity of an improvement system can affect the company's safety culture. To this end, a conceptual model was developed that allows to relate the implementation maturity of Lean Six Sigma tools with the security culture of companies. The model was validated by conducting a questionnaire addressed to companies that implement Lean or Six Sigma tools. The statistical study carried out on the results obtained from the survey, allowed to prove the reliability of the survey, since the value obtained from Cronbach's alpha was 0.92. It was not possible to prove statistically, that the implementation maturity of Lean Six Sigma tools is related to higher levels of safety culture. However, this study allowed us to conclude that companies, mainly from the Portuguese industrial sector, which participated in the sample, mostly use the tools 5S, Visual Management, Standard Work, Daily Kaizen and Kanban, and that the certification in ISO 45001 and 14001 is related positively affects in the safety culture of organizations.
Description
Keywords
Lean Safety Lean Seis Sigma Segurança e Saúde do Trabalho Lean Seis Sigma 5S’s Lean Six Sigma Occupational Safety and Health Six Sigma