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What is it: Value Stream Mapping (VSM) is a lean technique used to analyse the flow of materials and information currently required to bring a product or service to a consumer. Value Stream Mapping works on the principle that "Value is added only when our action or operation contributes to transform the materials into the product that the customer is willing to pay for."
Why use it: Value Stream Mapping is a set of tools that analyses your overall process flow and presents it in a visual form, allowing the process to be re-designed to eliminate barriers to flow. Value Stream Mapping has an overall product level focus cutting across processes, functions and departments. It incorporates lean concepts and tools, such as takt time (cycle time based on customer demand), theory of constraints and pull-based scheduling systems. The four main benefits from VSM are:
Where to use it: Value Stream Mapping is commonly used in lean environments to identify opportunities for improvement in lead time. VSM is used by World-class manufacturing companies to achieve outstanding levels of performance by making products flow through the production process from dock to dock. These companies have successfully eliminated the barriers that prevent material and information flowing smoothly throughout the organisation. The benefits are significant reductions in manufacturing lead times (and its inverse inventory turns), inventory levels and higher throughput. When to use it: To streamline a process and build a "future state" map How to use it:
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