OPERATIONS MANAGEMENT W/ 360 DAY CONNECT
2nd Edition
ISBN: 9781266763212
Author: CACHON
Publisher: MCG
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Textbook Question
Chapter 3, Problem 1C
The Tesla Model S, one of the most sought-after luxury cars, is produced in Tesla’s Freemont factory in California. The production process can be broken up into the following subprocesses.
Stamping: In the stamping process, coils of aluminum are unwound, cut into level pieces of sheet metal, and then inserted into stamping presses that shape the metal according to the geometry of the Model S. The presses can shape a sheet of metal in roughly 6 seconds.
Subassembly: The various pieces of metal are put together using a combination of joining techniques, including welding and adhesion. This creates the body of the vehicle.
Paint: The body of the vehicle is then moved to the paint shop. After painting is completed, the body moves through a 350° oven to cure the paint, followed by a sanding operation that ensures a clean surface.
General assembly: After painting, the vehicle body is moved to the final assembly area. Here, assembly workers and assembly robots insert the various subassemblies, such as the wiring, the dash board, the power train and the motor, the battery pack, and the seats.
Quality testing: Before being shipped to the customer, the now-assembled car is tested for its quality. It is driven on a rolling road, a test station that is basically a treadmill for cars that mimics driving on real streets.
Overall, the process is equipped with 160 robots and 3000 employees. The process produces some 500 vehicles each week. It takes a car about 3–5 days to move from the beginning of the process to the end.
Imagine you could take a tour of the Tesla plant. To prepare for this tour, draw a simple process flow diagram of the operation.
What is the cycle time of the process (assume two shifts of 8 hours each and 5 days a week of operation)?
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b-2. Identify the critical activities, and determine the duration of the project.
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The forecast for each week of a four-week schedule is 50 units. The MPS rule is to schedule production if the projected on-hand
Inventory would be negative without it. Customer orders (committed) are follows:
Week
Customer Order
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Use a production lot size of 75 units and no beginning Inventory. Determine the available-to-promise (ATP) quantities for each period.
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Chapter 3 Solutions
OPERATIONS MANAGEMENT W/ 360 DAY CONNECT
Ch. 3 - Prob. 1CQCh. 3 - Prob. 2CQCh. 3 - Prob. 3CQCh. 3 - Prob. 4CQCh. 3 - You observe a long line at the airport security....Ch. 3 - Prob. 6CQCh. 3 - What is the maximum utilization a resource can...Ch. 3 - Is the capacity of the bottleneck larger than,...Ch. 3 - Prob. 9CQCh. 3 - You observe a vehicle registration department at...
Ch. 3 - Prob. 1PACh. 3 - A community health systems nurse team consists of...Ch. 3 - Consider a process consisting of three resources....Ch. 3 - Prob. 4PACh. 3 - Prob. 5PACh. 3 - Prob. 6PACh. 3 - Prob. 7PACh. 3 - Consider a four-step serial process with...Ch. 3 - Consider a four-step serial process with the...Ch. 3 - Prob. 10PACh. 3 - Prob. 11PACh. 3 - Prob. 12PACh. 3 - The Tesla Model S, one of the most sought-after...Ch. 3 - The Tesla Model S, one of the most sought-after...Ch. 3 - The Tesla Model S, one of the most sought-after...Ch. 3 - The Tesla Model S, one of the most sought-after...
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