Lean Principles Brief History of Lean 1850 Eli

Lean Principles

Brief History of Lean…. 1850 Eli Whitney largely accredited with inventing Interchangeable parts. Fredrick Taylor, work time study, standardisation of work. “Scientific Management” 1900 1950 Shigeo Shingo & Taichi Ohno, Toyota Production System History of Lean Frank Gilbreth, process charts and motion studies 1920 Henry Ford, mass production, assembly lines 1990 James Womack, Joint Japanese-USA automotive industry studies. Coined the phrase “Lean”

Activity As a business - Why do we need to Improve?

Why do we need to Improve? Make, sustain or increase value for money: – – – Increase efficiency. Increase throughput. Decrease lead times. Reduce costs (in house and bought in). Improve profit to fund investment. To achieve customer satisfaction we need to: – Provide the ‘right level’ of Quality, Cost and Delivery If we keep doing the things we have always done, we will always get what we have always got

Activity What are the 5 Principles of Lean?

The 5 Principles of Lean 1. Value…Who is your customer? 2. Value Stream…What is your process. 3. Flow…What needs to be done to keeping it moving on time on plan. 4. Pull…is your process pull or push? 5. Perfection…What does this mean to you?

The 5 Principles of Lean 1. Value…Who is your customer? "The critical starting point for Lean thinking is Value should be defined by the Customer. ” Managers must be relentlessly focused on the Customer when specifying and creating Value.

The 5 Principles of Lean 2. Value Stream…Defined from the customers view. § All activities / processes that create customer value. § Starts with initial information or raw materials. § Ends with the end customer / user. Product or Service valued by the customer

The 5 Principles of Lean 3. Flow…The steady, effective and continuous movement of information, material or people. § Make Value creating steps ‘flow’ § Remove ‘Batch & Queue’ § Remove disturbances that stop / restrict flow (Waste).

The 5 Principles of Lean 4. Pull… on the assumption that one should only produce what is asked for by the customer § Decreases Inventory / buffer levels between stages. § Improved communication between processes / departments. § Project team can rapidly respond to changes in customer demand.

The 5 Principles of Lean 4. Push… is like compressing a chain, the chain accumulates and causes cracks

The 5 Principles of Lean 5. Perfection… The Goal of Continuous Improvement § There is always more waste. § People learn and exercise more creativity. § Involve employees in the process, training them as you proceed. § Continuous improvement leads to innovation. § Use root cause analysis to solve problems promptly and permanently. § Make objectives visible.

The 5 Lean Principles put together….

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