DOWNTIME
Eight Forms of Waste
Defects
Waste caused by the process’s inability to meet the customer’s expectations. It occurs in the form of scrap and rework.
Overproduction
Waste caused by not understanding custom demand. Creating more product than is needed.
Waiting
Waste caused by waiting for the next process step. Delays in the process that may cause idle parts or idle people.
Non-Utilized Talent
Waste caused by underutilizing talent, skills, and knowledge.
Transportation
Waste caused by the unnecessary movement of product or materials. Often caused by poor facility layout and planning.
Inventory
Waste caused by excessive products and materials not being processed. Can result in increased storage cost and damage.
Motion
Waste caused by unnecessary of people (including the operator, team, members, and the customer).
Extra Processing
Waste caused by “gold plating” or creating higher quality than is required.