The six sigma methodology aims to reduce the number of mistakes/defects in a manufacturing process and hence the manufacturing costs. Six sigma is the ultimate measure of quality. As firms improve their processes, and move towards the elusive six sigma, they often need to re-design the products, process and services to ’’designout’’ defects and design-in quality. Describes the underlying statis...

The progress of automotive companies has led to a broad development in all sectors the industry, having an impact on processes design, engineering, systems, prototyping, testing and validation. At same time, consumers’ demand for durable products remains high. Desiring accomplish satisfy customer requirements, team is high work under time pressure due existing delays.