Let’s start from the very beginning. Lean manufacturing is a business model that incorporates a variety of methods that focuses on eliminating non-value added processes while producing quality products on time every time at a low cost with greater efficiency. A few of those methodologies, for example, are kaizen, just-in-time manufacturing, process improvement, and continuous improvement. Now there are many how; however, history needs to be disgusted first so that a better understanding can be achieved.
It all started in 1769 when the Craft Guilds promoted workmanship and manual skills to build steam engines during the Industrial revolution. And in 1776 Eli Whitney introduced the concept of interchangeable parts which in turn replaced the skilled craft concept. This is what actually helped revolutionize the Industrial Revolution. We went from craft production to mass production in a matter of years. In 1903, Henry Ford established the Ford Motor Company and in 1908 when the Model T was introduced so was the rotating assembler concept.
Then in 1913 the moving assembly line was introduced. This idea was actually established from watching a “disassembly line” in Swift and Company’s Slaughterhouse in Chicago where carcasses move along a conveyor through the slaughterhouses.
In 1914 Ford doubled daily wages to five dollars. So even though working conditions were very poor the pay attracted and kept workers. Due to these poor conditions UAW was established in 1930’s. And in the 1950’s after World War II Europe markets adopted mass production and became the U.S.’s number one competitor. That is until 1970 when fuel costs rose and Japan took over the auto market by making more fuel efficient cars. Thu...
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...They go through specialized intensive training designed to improve their knowledge and skills in statistical methods, project management, process design, problem solving, leadership skills, etc. There are 5 main goals for Six Sigma and those are to define, measure, analysis, improve, and control.
Define means to figure out who the customer or consumer you are targeting really is and what they identify as important characteristics of a product. Measure means to take collection of data and start developing a y=f(x) relationship. Analysis means to define the source or root of the variation happening. Improve means to develop potential improvement plans. Once tested the potential solution is corrected and then re-evaluated until the defect is minimal or no longer a problem. And control is to develop and implement statistical process control standards.
The goal is to
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