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Waste is anything which does not add value to a product or service in any activity, whether manufacturing or non-manufacturing.
Waste exists as two major types:
Obvious waste is easily recognizable. Some examples:
Scrap, rework, offal
Undisciplined meetings, excessive paperwork systems
Working ahead of schedule, doing more than required
Excessive energy consumption.
Hidden waste refers to work which is necessary under current methods of operation, but could be eliminated if improved methods were adopted. Some examples:
Poor design, repair loops, waste handling and treatment facilities
Buffer banks, poor layout, excess overtime, excess labor.
Definition of Waste
Anything that doesnít add value to the process.
Anything that doesnít help create conformance to the customerís specifications.
Anything your customer would be unwilling to pay you to do.
The. Deming PDCA Cycle
8-D Problem Solving
Error Proofing (Poka Yoke)
Lead Time Reduction
Process Capability - Cp vs. Cpk
Process Loop Animation
Taguchi Loss Function
Fishbone / Cause and Effects Animation