Introduction to Value Stream Mapping
Value stream mapping (VSM) is a lean manufacturing technique, first developed by Toyota, which analyzes the material and information flow in manufacturing processes. It is designed to improve manufacturing processes.
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Purpose
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VSM is used in manufacturing companies that are constantly looking for ways to improve their processes. VSM helps companies identify opportunities within the organization where changes can be made to improve efficiency, lower costs of goods and help improve the overall manufacturing processes the company uses.
Theory
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VSM is understanding and studying the sequence of all processes within the company. The theory behind VSM is that if the manufacturing process is correct, the goods produced will be consistent. VSM is used by creating a visual image using graphics or pictures of the processes a company uses from start to finish. This includes from the time an order is placed up to the time the order is delivered.
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Details
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After a picture is drawn, the steps in the process are studied. Any steps in the process that do not add real value to the process are eliminated as waste. When waste is eliminated, profits are likely to increase. Companies also create implementation plans based on the information from the map. These plans include steps needed to continuously eliminate waste, increase efficiency and ultimately increase profits.
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