The History and Role of Six Sigma and Lean in the Manufacturing Environment

("Six Sigma Basics") - DPMO - defects per million opportunities. ("Basics of Six Sigma") Six Sigma can be traced back to Motorola. Motorola is trying to design a method to measure defects with finer granularity. ("Six Sigma Basics") Bill Smith works for Motorola. He came up with a theory called potential flaw theory. "The central principle of the potential defect theory is that manufacturing process changes are the main cause of defects Eliminating variations eliminates defects and thereby eliminates waste related to defects, We save money and increase customer satisfaction. "(Akpose).

In recent years, some practitioners have combined Six Sigma 's ideas and lean manufacturing to create a method called Lean Six Sigma. The lean Six Sigma approach observes lean manufacturing, solves process and waste problems, Six Sigma is a complementary area designed to promote 'business and operational excellence' with variability and design Focus on. Companies such as GE, Accenture, Verizon, GENPACT, and IBM focus on transformation using Lean Six Sigma, focusing on growth as well as efficiency. From manufacturing and software development to sales and service offering functions, the foundation of the whole organization's innovation.

Six sigma and lean systems are two elements, Toyota introduces lean production to minimize manufacturing waste, Motorola's Six Sigma initiative advocates reducing defects. How can these methods help to improve government projects and sectors in developing countries? Lean Six Sigma's philosophy is to reduce waste and improve quality in all steps of the process. This way of thinking is thought to change the behavior and way of thinking of the organization. Perspective transformation guarantees that people are getting better and better. This method is also useful for other important projects such as roads, railways, construction, mining. Various types of lean systems such as visual streaming (VSM) and 5s system have proved to be effective ways for various government projects in many developed countries.