課件文稿教程3 process analysis and design

23Fast-fooddrive-RoyceHailey開創(chuàng)于1928年，洛杉磯的PigStandrestaurant，‘BarbequedPig’sandwiches 4 Burger5FinaloverallTop

Accuracy 12 58BottomCaptainWhite

7467 8Cook9在制品(workinprocess,WIP)1????????????????

????????????????????????????????=min{????????????????????,????????????????????????????????????

????????周期(cycletime)：前后兩個 CookCookand每批22,000每批絞肉需要5

17 狗需1/6秒每批22,0001/32,300

70015,000Eachgrinder=22,000dogs/5min=4,400dogs/2grindersx4,400dogs/min=8,800dogs/Eachmixer=22,000dogs/(1/3hourx60min/hour)=1,100dogs/6mixersx1,100dogs/min=6,600dogs/3stuffersx2,300dogs/min=6,900dogs/CookandI=15,000dogs,T=15R=15,000dogs/15min=1,000dogs/5ovensx1,000dogs/min=5,000dogs/8peelersx700dogs/min=5,600dogs/1/6sec/dog=6dogs/17stationsx6dogs/secx60sec/min=6,120dogs/min8800dogs/6600dogs/

6120dogs/Cookand6900dogs/ 5000dogsCookand流程產(chǎn)能（processcapacity）為5,000dogs/min

demandrate）為5000dogs=5000dogs/??=5000????????/??????=8800??=5000????????/??????=6600??=5000????????/??????=6900

??=5000????????/??????=CookCookand??=5000????????/??????=5600??=5000????????/??????=5000????????????????????????????????????????????=????????當需求率（demandrate）為2000dogs=2000dogs/??=2000????????/??????=8800??=2000????????/??????=6600??=2000????????/??????=6900

??=2000????????/??????=CookCookand??=2000????????/??????=5600??=2000????????/??????=5000當需求率（demandrate）為7000dogs=5000dogs/??=5000????????/??????=8800??=5000????????/??????=6600??=5000????????/??????=6900

??=5000????????/??????=CookCookand??=5000????????/??????=5600??=5000????????/??????=5000

66件產(chǎn)品（(300030)

））

throughput2件/minFlowtime=1.5minWIP=3件Cycletime30 WIP=throughput×flowtimeCycletime=1/throughput throughput=100/hFlowtime=1.75hsWIP=throughput×flowtime=Utilization2=75%Cycletime=1h/100

throughput=100/0.75h=WIP=(100/h×2×2×8–133.3×(2×8-1))/2=Waitingtime=WIP/throughput=4.5Flowtime=waitingtime+1+0.75=6.25Utilization1=66.7%Utilization2=100%Cycletime=0.75h/100

WIP

0 產(chǎn)量vs.品種(volume-variety

產(chǎn)品-

盈虧平衡分析（break

定制or 長長短面向訂單裝配面向訂單生產(chǎn) 面向訂單設計 等概率的獲得0,1,20,1,2個（概率相等Demand=