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Poka yoke kamal

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Poka yoke kamal

  1. 1. Poka-Yoke Presented By-: Kamal Prasad Bhusal PGPM(2011-2013) Unitedworld School of Business
  2. 2. What is Poka-Yoke ? Invented by Shigeo Shingo who was industrial engineer in Toyota This is known as Mistake proofing Mistake proofing and Poka-Yoke is the use of process or design features to prevent errors or their negative impact From Japanese: Poka - inadvertent errors Yokeru- to avoid
  3. 3. What does Poka-Yoke do ? Eliminates the cause of an error at the source Detects an error as it is being made Detects an error soon after it has been made but before it reaches the next operation
  4. 4. POKA-YOKE MEANSZERO DEFECTS
  5. 5. Two strategies for Zero defects 1. Don’t make it
  6. 6. 1. Don’t make it Don’t make product you don’t need The more you make, the greater the opportunity for defects Follow ‘just-in-time’ principles by only making what is needed, when it is needed in the amount needed
  7. 7. 2. Build safeguards
  8. 8. 2. Build safeguards The user is an expert in finding defects Therefore build safeguards into the production process Quality can be built into products by implementation of Poka-Yoke
  9. 9. Poka-Yoke Devices-Error Detection and Alarms
  10. 10. Poka-Yoke- Checklists
  11. 11. Poka-Yoke Example It is possible to mount the blank the wrong way onto the pierce toolBlank Pierced Blank Incorrect As the blank can fit the pierce tool in many ways, how can this be prevented?
  12. 12. Poka-Yoke Example contd…. By fitting a block into the pierce tooling, the blank plate can only go on one way Block
  13. 13. Thank You

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