Lean Manufacturing:- Lean Manufacturing Concept’ is a generic process management philosophy that is derived mostly from ‘The Toyota Production System.
- Lean manufacturing focuses on eliminating waste in processes
- Lean manufacturing is not about eliminating people
- Lean manufacturing is about expanding capacity by reducing costs and shortening lead time between order and ship date
- Lean is about understanding what is important to the customer.
Recognize and Specify the value:-
Value is judged by the customer.
A process or activity that adds value to a product. Conventionally, VA has 3 dimensions:
The activity changes the product in shape, size & weight towards completion.
It is done right at first time (no rework).
The customer would be willing to pay for it.
Lean Manufacturing Principle:-
1- Value: Correct Specify the value of the product.
2- Vaue strim: Identify all the steps in the value stream that do not add value.
3- Flow: make the value-creating steps/process and flow smoothly.
4- Pull: Produce only the pull of customer demand.
5- Perfection: Waste elimination is an ongoing process towards completion.
Lean Principle Advantage:-
- Reduced levels of inventories.
- Reduced space requirements.
- Increased product quality.
- Reduced lead times.
- Greater flexibility in product mix.
- Smoother production flow.
- Increased productivity levels.
- Worker participation in problem-solving.
- Pressure for good vendor relationships.
- Reduced need for indirect labor.
- Takt time should be decided by the Production Volume required, which reflects sales conditions exactly.to manufacture what is needed, with the speed needed, in the amount needed.
- Takt time is the time during which one product unit should be made.
- Takt time is just a math, But fundamental to lean manufacturing.
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