19_posting_-_Lean_Production-JIT

19_posting_-_Lean_Production-JIT - 1 Lean Production"The...

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1 11/11/2011 1 Lean Production "The most dangerous kind of waste is the waste we do not recognize." - Shigeo Shingo
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2 11/11/2011 2 An integrated set of activities designed to achieve high-volume production using minimal inventories (raw materials, work in process, and finished goods) Involves the elimination of waste in production effort Involves the timing of production resources; i.e., parts arrive at the next workstation Just In Time (JIT) Focuses on Simplicity Lean Production
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3 11/11/2011 3 Customers Sub Sub Fab Fab Fab Fab Vendor Vendor Vendor Vendor Final Assembly Traditional Push System
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4 11/11/2011 4 Customers Sub Sub Fab Fab Fab Fab Vendor Vendor Vendor Vendor Final Assembly Here the customer starts the process, pulling an inventory item from Final Assembly… Here the customer starts the process, pulling an inventory item from Final Assembly… Then sub-assembly work is pulled forward by that demand… Then sub-assembly work is pulled forward by that demand… The process continues throughout the entire production process and supply chain The process continues throughout the entire production process and supply chain Pull System
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5 11/11/2011 5 Management philosophy “Pull” system though the plant WHAT IT IS Attacks waste Exposes problems and bottlenecks Achieves streamlined production WHAT IT DOES Stable environment WHAT IT ASSUMES Features of Lean Production Employee participation Industrial engineering/basics Continuing improvement Total quality control Small lot sizes WHAT IT REQUIRES
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6 11/11/2011 6
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7 11/11/2011 7 Developed by Taiichi Ohno in 1970’s Based on two philosophies: Elimination of waste Respect for people Toyota Production System
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8 11/11/2011 8 Elimination of Waste C orrection O verproduction M otion M aterial Movement W aiting I nventory P rocessing One Acronym (of many) – COMMWIP “7 Deadly Wastes”
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9 11/11/2011 9 1. 5S 2. Group technology 3. Quality at the source 4. JIT production 5.
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