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Value Stream Mapping (VSM) at Work

Value Stream Mapping Definitions

- The Value Stream represents the actions taken to bring a product into existence, from the raw material stage to the finished good stage.

- It can be extended to the design aspect, from concept to launch.

- It can look at the big picture, across different plants or it can be restricted to the operations in one facility, even one department, as a starting point.

- The Value Stream Map is a pictorial representation of the flow of material and information as the product is being built.

Advantages

- VSM helps us visualize better the flow without being limited to the single-process level.

- It is a powerful tool in identifying waste.

- It forms the basis of an implementation plan.

- It shows the linkage between material flow and the information flow.

- It provides a common language to talk about manufacturing processes.

- It is a communication tool.

- It is a business-planning tool.

- It is a tool to manage the change process.

- VSM helps us see and focus on flow with a vision of an ideal or improved state.

The Value Stream Manager

- The VSM process needs one person with lead responsibility for understanding a product family’s value stream and improving it, the value stream manager.

- The manager should report to the top person on site.

Generate the VSM

- Choose a product or product family

- Depict the customer requirements

- Follow the flow of the product from shipping to the raw material stage

- Draw the processing steps used to process, move and store the product

- Input the process and inventory data

- Draw the information flow

- Draw a time line depicting the lead time

Generate the Future State Map

- Calculate the Target (Takt) Time

- Produce at your Takt Time

- Develop continuous flow wherever possible

- Use supermarkets to control production

- Determine the pacemaker process

- Level the production mix

- Level the production volume (Paced withdrawal)

- Ability to make every part every day

Achieving the future state

- Breaking implementation into steps

- The pacemaker loop

- Additional loops

- The Value Stream Plan

- Value Stream Improvement



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