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Mistake_Proofing-Poka_yoke.ppt

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Mistake_Proofing-Poka_yoke.ppt
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1,Mistake Proofing (Poka Yoke),Techniques that make it impossible to make mistakes,2,Table of contents,1) Returns produce by mistake proofing page 3 2) What is mistake proofing pages 4 - 7 3) Mistake proofing versus Statistical Process Control pages 8 4) A new attitude toward preventing errors pages 9 - 15 5) Overview of the different inspection techniques pages 16 - 20 6) The ultimate goal: achieving zero defects pages 21 - 23 7) Types of Poka yoke control systems pages 24 - 26 8) Types of Poka yoke devices pages 27 - 30 9) Types of sensors used pages 31 - 34 10) Guidelines and rules pages 35 - 36,3,1) Returns produce by mistake proofing ?,Mistake proofing (Poka Yoke) will allow you to decrease: human errors, defective products at customers’, non quality costsMistake proofing (Poka Yoke) will allow you to increase also: productivity, profitsA few examples: Dana corporation has reported a $500,000 savings resulting from a $6 device Ortho-Clinical Diagnostics (Johnson & Johnson) saved $75000 annually by implementing a new Poka yoke AT&T Power Systems (Lucent Technologies) reported net saving of $2545 per device (3300 devices),4,2) What is mistake proofing?,The use of process or design features to prevent errors or their negative impact. Also known as Poka yoke, Japanese slang for “avoiding inadvertent errors” which was formalized by Shigeo Shingo (Toyota). Inexpensive. Very effective. Based on simplicity and ingenuity.,A Poka yoke device is any mechanism that either prevents a mistake from being made or makes the mistakes obvious at a glance,5,Everyday Examples Which dial turns on the burner?,Stove A - difficult to switch on,Stove B - simple, visually to switch on,,,6,Other everyday Examples,New lawn mowers are required to have a safety bar on the handle that must be pulled back in order to start the engine. If you let go of the safety bar, the mower blade stops in 3 seconds or less.,Fueling area of car has three error-proofing devices: 1. insert keeps leaded-
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