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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
  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