Understanding Value Stream Mapping in Lean Manufacturing
Value Stream Mapping (VSM) is a powerful tool used by Industrial Engineers to visualize processes, identify areas for improvement, and eliminate wasteful activities. This article covers the basics of VSM, its key components, symbols used, and the importance of implementing it in various processes. Readers can learn how to create a VSM, analyze process inefficiencies, and brainstorm ideas for enhancing process flow and efficiency.
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Lean: Value Stream Mapping Toyota Production Systems Lab Grade 9-12
| 2 Value Stream Mapping Value Stream Mapping is a great tool that Industrial Engineers use in order to see the process from a birds eye view . This means that they can see everything going on and can identify areas of improvement where they can help!
| 3 Parts of a Value Stream Map 1. Numbering the steps: 1,2,3,4,5 1. It is always good to put a number starting at 1 for the first step all the way to the last step. 2. Name for each step: Start, End 1. So we know what happens at each step in the process. 3. Put arrows to show the path: 1. This helps us see where we need to go. 4. Star areas for Problems: 1. Engineers put stars where we can see problems or danger ahead. The stars will stand out on the map and tell us where we can improve! 5. Create a list of Solutions for the Stars: 1. Engineers see the stars and then think of ways to go around them and come up with solutions to help them reach their goal, the buried treasure!
| 4 Symbols Value Stream Map There are many different types of symbols and shaped used to distinguish different parts of a VSM. Here are a few of the most widely used symbols.
| 5 Example - Value Stream Map Notice the different symbols from the previous slide. Can you identify the meaning of the symbols without looking back at the slide? See how many you can identify.
| 6 Importance of a VSM We can see the process from a birds eye view Can easily identify areas to improve. Can easily see where bottlenecks in the process are occurring. Can use the tool to help make improvements to the process.
| 7 Activity Think of a process you go through in your life and create a Value Stream Map of it. Some examples to use may be making a sandwich, buying a new pair of shoes, your morning routine before heading to school, etc. What steps in the process seem to take the longest? Can you find any waste in the process by looking at the Value Stream Map? Remember, waste is any activity that a customer would not be willing to pay for (Transportation, Inventory, Motion, Waiting, Over processing, Overproduction, Defects). What ideas do you have to make this process better?
