Poka_Yoke精益生产流程.ppt

Mistake-Proofing(Poka-Yoke)防错技术 Prepared by: Kevin Powers Jason Wang The Effectiveness of Inspection 检验的有效性 Count the number of occurrences of ‘f’: 请数一下文章中字母 “f”出现的次数： The necessity of training farm hands for first class farms in the fatherly handling of farm livestock is foremost in the minds of farm owners. Since the forefathers of the farm owners trained the farm hands for first class farms in the fatherly handling of farm livestock, the farm owners feel they should carry on with the family tradition of training farm hands of first class farms in the fatherly handling of farm livestock because they believe it is the basic of good fundamental farm management. The Effectiveness of Inspection检验的有效性 100% inspection is about 80-85% effective. 100%的检验只能是大约80-85%有效性。 Inspection is a non-value added activity. 检验是一种不增殖的行为。 Is 99.9% Good Enough? 99.9% 够不够好？ 2 unsafe landings at Chicago airport per day 每天在Chicago机场有两次不安全的着陆； 16,000 lost pieces of mail per hour 每小时要丢失16,000件邮件； 20,000 incorrect drug prescriptions per year 每年有20,000个错误的处方； 500 incorrect surgical operations per week 每周有500 起不正确的外科手术； 50 newborn babies dropped by doctors per day 每天有50个新生婴儿从医生手中掉落； 32,000 missed heartbeats per person per year 每年每个人有32,000次异常心跳； Zero Defects is the Goal零缺陷是目标 Goal --- to make products with no defects and assure no person or machine-made mistake ever becomes a defect and gets into the hands of the customer. 目标 --- 确保产品无任何缺陷; 确保没有任何人为和机器错误导致的缺陷产品提供到客户手中。 Zero Defects 零缺陷 Principle --- defects are prevented by controlling the performance of a process so that it cannot produce defects, even when a mistake is made by machine or person. 原理 --- 通过控制工序来预防缺陷, 即使有人为和机器的错误也能够避免产生缺陷。 Control the process so that defects are impossible! 控制工序使缺陷不可能出现！ Zero Defects 零缺陷 No Finger Pointing. Operators and Machines will sometimes make mistakes. 不要指指点点，人和 机器有时会犯错误。 Find ways to keep mistakes from becoming d