b. What is the required workstation cycle time to meet the desired output rate? Workstation cycle time seconds per unit c. Balance this line using the largest number of following tasks. Use the longest task time as a secondary criterion.
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- The following table shows the process times in minutes (or minutes/unit - how many minutes to process one unit) of a six-station serial production line (1-2-3-4-5-6). Station 1 2 3 4 5 6 Which station(s) is (are) the bottleneck(s)? Station 2 Station 5 Stations 3 and 4 Stations 2 and 5 Process Time (minutes/unit) 8 11 7 7 11 4K Borges Machine Shop, Inc., has a 1-year contract for the production of 75,000 gear housings for a new off-road vehicle. Owner Luis Borges hopes the contract will be extended and the volume increased next year. Borges has developed costs for three alternatives. They are general-purpose equipment (GPE), flexible manufacturing system (FMS), and expensive, but efficient, dedicated machine (DM). The cost data follow: Annual contracted units Annual fixed cost Per unit variable cost General-Purpose Equipment (GPE) 75,000 $100,000 $15.00 Flexible Manufacturing System (FMS) 75,000 $225,000 $14.75 Dedicated Machine (DM) 75,000 $500,000 $13.00 Based on the total cost, the process that is best suited for the current contracted volume is Suppose the contracted volume changes to 275,000 gear housings. Based on the total cost, the process that is best suited for the new volumo inWhat type of process—project, job shop, flow shop, and continuous flow—would most likely be used to produce the following? Explain your reasoning. a) Personal computers b) Weddings c) Tax preparation d) Ice cream with many flavors e) Meals at a fast-food restaurant
- Melissa's Photo Studio offers both individual and group portrait options. The process flow diagram below shows that all customers must first register and then pay at one of two cashiers. Then depending on if they want a single or group portrait they go to different rooms. Finally everyone picks up their own finished portrait. Q Registration (4 min) Cashier A (4 min) Cashier B (6 min) Individual portrait taken (12 min) Group portrait tåken (15 min) Pick up portrait (5 min) ✔ a. How long, on average, does it take to complete the entire process for a group portrait? minutes. (Enter your response as an integer.) b. What single activity is the bottleneck for the entire process, assuming the process receives equal amounts of both groups and individuals? c. What is the capacity of the bottleneck per hour? The capacity of the bottleneck for individuals is Registration Cashier's desk Portrait taken Picking up portraits customers and the capacity of the bottleneck for groups is groups. (Enter…Melissa's Photo Studio offers both individual and group portrait options. The process flow diagram below shows that all customers must first register and then pay at one of two cashiers. Then depending on if they want a single or group portrait they go to different rooms. Finally everyone picks up their own finished portrait. RegistrationCahier ACahier B(4 min)(4 min)(6 min) x y graph Pick up portraitIndividualGroup(5 min)(12 min)(15 min)portrait takenportrait taken x y graph a. How long, on average, does it take to complete the entire process for a group portrait? nothing minutes. (Enter your response as an integer.)Lulu’s Dancewear operates a garment manufacturing business that employs 35 operators who work 7 hours a day (breaks already factored), 5 days a week. The plant has an 90% efficiency factor. A customer brought in an order for 5,800 units of a Style C that has a SAM of 20 min. They have requested a 7-day turnaround. Will they be able to meet the customer’s order timeline? If not, how many days will it take? Round your answer to whole numbers but do not round until you get to the final answer! Group of answer choices No, 10 days needed. No, 8 days needed. No, 9 days needed. Yes, they can produce in 7 days.
- Dave Grubbs of Grubbs Auto Body has five cars waiting for Economy Detailing. An Economy Detailing consists of a wash and then a hand wax. Cars cannot be waxed until they are washed. ROUND UP (39/5) & (39/10). Wash (hours) Wax (hours) (J)aguar 39/5 5 (C)adillac 5 3 (F)ord 1 39/10 (H)onda 2 1 (L)exus 4 4 What schedule produces the shortest time span in which these orders can be completed? Sequence: ____ , _____ , _____ , ______ , ______ Create a Gantt chart for the optimal sequence (shortest time span). How many hours does it take to complete the five orders? For the schedule in question “a”, how many hours is the waxing task idle? When will Dave finish the Cadillac? What is the average order completion time?✔ 2 minutes/unit John's Operations manager has received production forecasts of Company sales for the next year. He wants its production line to be designed to make 1,200 Units per week for at least the next two months. The plant will operate 40 hours per week. What is the cycle time? 3 minutes/unit 1 minute/unit 20 % 0.75 minute/unit 51 min 22 secsRock View Restaurant is a new fast-food restaurant chain. The Operations Manager has dividedits normal drive-through service process into the following tasks: Task Description Task time in seconds Predecessors A Take Order 25 none B Received Payment 20 A C Gather Drinks 35 A D Gather Food 32 A E Put food etc. in bag 25 C,D F Give food to customer 10 B,E Currently, Rock View Restaurant has a single window with one person who takes the order,gather the food, collects the money and gives the food to the customer. This takes an average of147 seconds per customer so only 25.5 cars can be served. Rock View Restaurant wants toincrease its drive-through capacity to 60 cars per hour by forming a multi-window line. i. Draw the precedence diagram to represent the process at Rock View Restaurant.ii. Calculate the cycle time in seconds.iii. Calculate the minimum number of windows that Rock View Restaurant will need toserve 60 cars per hour.
- Rock View Restaurant is a new fast-food restaurant chain. The Operations Manager has dividedits normal drive-through service process into the following tasks: Task Description Task time in seconds Predecessors A Take Order 25 none B Received Payment 20 A C Gather Drinks 35 A D Gather Food 32 A E Put food etc. in bag 25 C,D F Give food to customer 10 B,E Currently, Rock View Restaurant has a single window with one person who takes the order,gather the food, collects the money and gives the food to the customer. This takes an average of147 seconds per customer so only 25.5 cars can be served. Rock View Restaurant wants toincrease its drive-through capacity to 60 cars per hour by forming a multi-window line. Using the LOT heuristic, assign the tasks to the windows to produce the desiredservice rate making sure that the precedence relationship is maintained.Calculate the efficiency of the newly design process.Charles Lackey operates a bakery in Idaho Falls, Idaho. Because of its excellent product and excellent location, demand has increased by % in the last year. On far too many occasions, customers have not been able to purchase the bread of their choice. Because of the size of the store, no new ovens can be added. At a staff meeting, one employee suggested ways to load the ovens differently so that more loaves of bread can be baked at one time. This new process will require that the ovens be loaded by hand, requiring additional manpower. This is the only thing to be changed. The bakery currently makes loaves per month. The pay will be $ per hour for employees and each employee works 160 hours per month.Charles Lackey can also improve the yield by purchasing a new blender. The new blender will mean an increase in his investment. This new blender will mean an increase in his costs of $ per month, but he will achieve the same new output (an increase to ) as the change in labor…1.8 units/hr Sawing 7 units/hr Sanding Drilling 5 units/hr Welding 2.4 units/hr Assembly 0.7 units/hr Assembly 0.7 units/hr Assembly 0.7 units/hr a) Sawing is the bottleneck. b) The bottleneck time is 33.33 minutes per unit (round your response to two decimal places). c) The throughput time of the overall system is minutes (round your response to two decimal places).