六西格玛ImproveIntroduction.pptVIP

Six Sigma Yellow BeltImprove – Introduction Workflow Content The Improve phase contains the following activities and tools: Identify potential solutions Brainstorming, Lean, 5S Mistake proofing Poka Yoke Select the best solution Prioritization matrix Implement the solution Implementation plan Six Sigma Yellow BeltImprove – Mistake Proofing Mistake Proofing What causes defects? Cultural factors Variation Complexity Mistakes Mistake Proofing How can we reach zero defects? Cultural factors Teamwork, remove fear and get top management involved Variation Statistical Process Control, Design of Experiments Complexity Process mapping, Design for Manufacturing Mistakes Mistake Proofing and Poka Yoke Mistake Proofing Use colors to avoid defects… Mistake Proofing Poka Yoke Poka Yoke was develop by Dr. Shigeo Shingo in order to reach zero defects by avoiding defects caused by mistakes. Preferably, the mechanism should be designed to eliminate the cause of the defect. If this can’t be done, it is possible to use other methods of control. Mistake Proofing Poka Yoke Poka Yoke is a method that: Eliminates the causes at the source Points out a defect when it is generated Discovers a defect very soon after it has been made and before it reaches the next step in the process Mistake Proofing Definition of Poka Yoke A tool that is used to avoid and prevent mistakes or to discover defects at once. Mistake Proofing Example - Preventive Solution that prevents you to insert a SIM-card in the wrong direction. Solution that prevents the operator to start the machine without closing the safety doors. Solution that prevents people to use your computer when you havent been using it for 5 minutes. Solution that prevents the iron from overheating No ungrounded plugs in grounded sockets Mistake Proofing Example - Discovering Alarm lamp that indicates that there is some problem with a machine. Spell check in Word. The usage of a checklist to make sure that everything is OK. The us