totalproductivemaintenance(ppt16)-經(jīng)營(yíng)管理-全文預(yù)覽
【正文】 187。 standardise optimum settings Idling and Minor stoppages ? Create a tally chart to record minor stops by type ? Analyse data and apply problemsolving techniques Reduced Speed ? Compare actual vs planned machine cycle times ? Apply Machine Kaizen to make improvements Process Defects ? Understand and reduce process variability ? Use diagnostic equipment (. HS video, load cells) Reduced Yield ? Assign all defects amp。 189。 review S S Standard operations Machine design Line design Factory design Intelligent automation Poka Yoke Performance monitoring Problem resolution Continuous flow processing Takt time Pull system Levelled production Waste Summary 。 OEE should not be the only system measure 13 ? Transfer of equipment knowledge from maintenance department to operators to support the autonomous maintenance program should include: – cleaning – basic machine settings – lubrication – factory services (. air pressure) – basic equipment monitoring ? Problemsolving training should include: – gathering amp。 This is likely to mean an increased number of changeovers (typically 10% of available time). 187。 Would you buy a car without a service history? Preventive maintenance 9 Total Available Time Mgt Allowances Operating Time (Downtime losses) Breakdown Changeover Availability = (available time) (downtime) (available time) Running Time (Speed losses) Idling / Minor Stops Reduced Speed Productivity = (takt time) x (quantity produced) (operating time) Valueadded (Defect losses) Process Spoilage Defective Parts Quality = (processed amount) (defects) (processed amount) Overall Equipment Effectiveness = Availability x Productivity x Quality Total Shift Time Improved Overall Equipment Effectiveness 10 Total Available Time (450 45) = 405 Mgt Allowances = 45 mins Operating Time (405 95) = 310 Breakdown = 35 mins Changeover = 60 mins Availability = (405) (95) = (405) Overall Equipment Effectiveness = () x () x () = = 67% Tot
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