Lean Manufacturing & Just-in-Time Systems. Overview. The purpose of lean is to remove all forms of waste from the value stream . Waste includes cycle time, labor, materials, and energy. The chief obstacle is the fact that waste often hides in plain sight, or is built into activities. Agenda.
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Lean manufacturing delivers an insurmountable competitive advantage over competitors who don't use it effectively.
Discussion question: Who created the Toyota Production System?
A systematic approach to the identification and elimination all forms of waste from the value stream.
Understanding of friction, waste, or muda is the foundation of the lean Manufacturing.
The solution is obvious (in retrospect), but first we have to know that we have a problem!
Redesign of this job to eliminate the need to walk doubled its productivity.
Only machining is value-adding time. This Gantt format of the cycle time makes non-value-adding time highly visible.
"…we will not so lightly waste material simply because we can reclaim it—for salvage involves labour. The ideal is to have nothing to salvage."
—Henry Ford, Today and Tomorrow
Some principles and activities for lean manufacturing
Most of lean manufacturing is common sense!