![]() ![]() Two hundred years later, Blanc’s system of ‘bins’ for part selection is still widely used in industry, albeit modified slightly to the two bin replenishment system! Unknown to him, Blanc’s method was one of the earliest attempts to reduce variation in a process and can therefore be considered a direct ancestor of six sigma. He also hoped it would lead to further innovations in manufacturing. He realized the potential of his system to reduce the cost of making and repairing guns and to provide work for “unskilled vagabonds” (ALDER, 1997). At a public demonstration, Blanc assembled functional guns from components located in bins. He had managed to produce interchangeable parts that were similar enough to allow for random selection of parts during the assembly process. ![]() Honoré Blanc was a Parisian gunsmith who, in 1790, revealed a manufacturing system that astonished his peers. The History of Six Sigma Interchangeable Parts This article will consider some of the influential thinkers and trends that have made six sigma what it is today. Therefore, to fully understand six sigma, it is necessary to look at where it has come from and how it has evolved. It combines the best components of earlier initiatives into one structured tool. It is therefore more accurate to describe six sigma as a natural evolution of continuous improvement and quality initiatives, rather than a radical new approach. The tools and philosophies behind it date back even further than that, some being more than fifty years old. Motorola are widely acknowledged as the pioneers of the methodology and they introduced it over twenty years ago. ![]()
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