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Manufacturing Technology Insights | Wednesday, April 13, 2022
Lean manufacturing reduces waste and increases productivity by streamlining processes and procedures by following its core principles.
Fremont, CA: Lean manufacturing is a production method based on the philosophy of increasing productivity while reducing waste in a manufacturing process. Waste, according to the lean concept, is everything that does not offer value that customers are willing to pay for. The approach, also known as lean production, is based on a set of manufacturing principles that have influenced manufacturing systems around the world, as well as those in other industries such as healthcare, software, and numerous service industries.
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Core principles of lean manufacturing:
Value
Value is assessed from the customer's perspective and refers to the amount of money they are willing to pay for goods or services. This value is then created by the manufacturer or service provider, who should strive to reduce waste and costs in order to provide the best price to the customer while also increasing profits.
Value stream
This approach entails examining the materials and other resources used to create a product or service in order to discover waste and opportunities for improvement. The value stream encompasses a product's complete lifecycle, from raw materials to disposal. Waste should be examined at each stage of the production cycle, and anything that does not add value should be eliminated. As a method of accomplishing this phase, chain alignment is frequently advocated.
Creating a flow
The goal of creating flow is to reduce lead times by reducing functional impediments. This guarantees that processes run smoothly and that there is minimum downtime or waste. Costs are incurred when production processes are disrupted or disharmonious, and establishing flow implies assuring a continuous stream of production or service delivery.
A pull system
A pull mechanism only starts working when there is a demand. Push systems, which are used in manufacturing resource planning (MRP) systems, are the polar opposite of pull systems. Push systems plan stocks ahead of time, and output is scheduled to fulfill sales or production projections. However, because many forecasts are inaccurate, this can result in either too much or too little product being produced to fulfill demand. This might result in higher warehousing costs, scheduling disruptions, and poor customer satisfaction. A pull system only acts when there is a demand, and its success is dependent on flexibility, communication, and efficient processes.
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