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Lean


Takt Time

Takt Time  is the available production time divided by the rate of customer demand. For example, if customers demand 240 widgets per day and the factory operations 480 minutes per day, takt time is two minutes; if customers want two new products designed per month,...

Pull System

An alternative to scheduling individual processes. The customer process withdraws the items it needs from a supermarket, and the supplying process produces to replenish what was withdrawn. Used to avoid push. (OneSixSigma.com Glossary) Other Definitions Pull System –...

Poka-yoke

(engl.: fail-safing – to avoid (yokeru) inadvertent errors (poka)) is a behavior-shaping constraint, or a method of preventing errors by putting limits on how an operation can be performed in order to force the correct completion of the operation. The concept was...

Non Value Added

Activities or actions taken that add no real value to the product or service, making such activities or action a form of waste or muda. (See also Value Added)

Kanban

A management tool in the pull scheduling system developed and used by Toyota. A method of Just-In-Time production that uses standard containers or lot sizes with a single card (Kanban) attached to each. It is a pull system in which work centers signal with a card that...

Just In Time Production (JIT)

A production system to make what the customer needs when the customer needs it in the quantity the customer needs, using minimal resources of manpower, material, and machinery. The three elements to making Just-in-Time possible are Takt time, Flow production, and the...