Question: 1) Please draw a value stream mapping by using the following information has given you. a. Each shift is 9 hours (there is only one
1) Please draw a value stream mapping by using the following information has given you. a. Each shift is 9 hours (there is only one shift per day) b. Lunch Breaks are 30 minutes, and other breaks are 50 minutes. c. Customer sends their forecast information manually to the production control in a bi-weekly basis. d. Customer sends their order information to the production control by email in a weekly basis. e. Supplier gets their production forecast information manually in bi-weekly basis. f. Supplier gets their order information 2 times in a week. g. Supplier sends the raw materials by plane to Operation-A, which is the first operations, every day. h. The finished products sends to the customer by truck in a weekly basis. i. Production supervisor gets weekly email from the production control and sends the information to Operation-A, Operations-B and Operation-C in a daily basis. j. The total customer demand is 8,500 pcs per month. k. There are two other operations after Operation-A, and we call them as Operation-B and Operation-C. The process flow is like the following: Operation-A Operation-B Operation-C. l. Inventory level is 2000 work units before Operation-A. Between the operations A and B, the level of inventory is 1500 work units. Between the operations B and C, the level of inventory is 1750 work units.After the Operation-C to the shipment, the level of inventory is 1880 work units. m. 1 worker works in each Operation-A and Operation-B, Operation-C has 3 workers. n. Cycle times are 40 seconds, 45 seconds and 55 seconds for Operation-A, Operation-B and Operation-C, respectively. o. Changeover times are 45 min, 4 min and 10 min for Operation-A, Operation-B and Operation-C, respectively. p. Batch sizes are 400 pcs, 550 pcs and 600 pcs for Operation-A, Operation-B and Operation-C, respectively. q. Uptimes are 95%, 88% and 94% for Operation-A, Operation-B and Operation-C, respectively. r. There is a pull production between the Operation-A and Operation-B along with the supermarket and the production Kanban sends the signal to the Operation-A from the buffer. Push production between the last operation and the shipment as well. There is a first-in-first-out operation between the Operation-B and Operation-C. s. Non-value adding time between the raw materials shipping to the Operation-A is 7 days. From Operation-A to Operation-B is 0.1 day. From Operation-B to Operation-C is 2 days. The last shipping time from the finished product and the final delivery takes 5.5 days.
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