File Home Insert Page Layout Formulas Data Review View Help Share Comments X Calibri 11 ~ AA == a Wrap Text IT TI General @ 28 Paste MA BIU Insert Delete Format y Merge & Center 60 00 .000 $ %) %) Conditional Format as Cell Formatting Table Styles Styles Sort & Find & Filter Select Analyze Data Clipboard Font Alignment Number Cells Editing Analysis 117 X fic B D E F H 1 K L M N O P Q R R S T U V w YA 1 Suppliers Production control Suppliers Production control (ERP) Customer 04) (10 marks) The current and future state (improved operations) of a company's internal and external value stream mapping is shown in the following pictures. The current operation system is a batch/push system (indicated by striped arrows), resulting in long delays, inventory buildups and 4.5 days leadtime. The improved operations is a continuous-flow pull system and attacking the seven wastes which reduced the lead time to 0.25 day. Customer Information (ERP) Information Information Information Requirements No. of shifts Parts Box Other info Requirements No. of shifts Parts Box Other info Requirements No. of shifts Parts Box Other info Requiremen No. of shift Parts Box Other info a) Eliminating queues dramatically reduced the lead time from 4.5 days to 0.25 day. What are the disadvantages of removing those WIP? (5 marks) Daily Daily 0 0 Daily 0 0 Daily Loo b) How do you think combining machine 1 and 2 would react to the change? (5 marks) A Machine 2 2 3 3 4 4 5 6 7 7 8 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Assembly Machine 1 190 FIFO 90 90 Cycle time No. of shifts Cycle time No. of shifts Parts/Box Machine Mchine 2 Assembly Combine machines 1 and 100 2 into a single Cycle titre machine cellule time Cycle time No. of satisi No. of shifts No. of shifts Parts Box Parts Box Pacts/Box Product Changeover One-piece Changeover One-piece Changeover lead = flow flow 5 min 1.2 min time = Parts/Box (3 days Changeover C.5 5 min Cycle time No. of shifts Parts/Box Production Changeoverlead = 45 days 5 day Process 2.2 min time = 3.9 min. Changeover 1 day ( 25 day 1.2 min 2.2 m in Process Current Operation Future Operation