Creating a Production plan for ATC inc Chapter 9 Enhancing Decision Making with
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Creating a Production plan for ATC inc
Chapter 9 Enhancing Decision Making with Solver Case Problems Level 1 Creating a Production Plan for ATC Inc. ATC Inc. is a manufacturing company that produces industrial valves. As the operations managcr, you need to determine the production schedule for manufacturing three valves Opertions in the new 102 Series, which is used in oil refineries. Producing the 102 Series valves Management is a three-part process. During the casting phase, the body of the valve and some of the attaching pieces are created. During the machining phase, the casting surfaces are finished, and the inner valve flange is created. Finally, during the last phase, the valves are assembled and inspected The plant manager provided you with a workbook that contains the production times for cach production phase, and the un cost and list price for each 102 Serics valve. The plant manager also told you that your time is limited to 500 hours in the Casting Department, 500 hours in the Machining Department, and 100 hours in the Final Assembly Department. No more time is available in these departments. The workbook also includes the setup costs associated with a production run for each valve. You must account for these costs in the profit amounts for each valve Based on historical demand for these valves, the company has a policy that any single valve in the 102 Series should constitute at least 10% of the production run and that no single valve should constitute more than 50% of the total production time. Your goal is to maximize the total profit of producing these valves while not exceeding the time available in each department Complete the following: 1. Open the ATCValve.xlsx workbook from the Chapter 9 folder, and then save the file as ATCValve Production.xlsx 2. Write the formulas that calculate the total production time used for casting, ing, and final assembly. Enter a mathematical formula in the objective cell, and thern enter formulas to link the objective cell with the variable cells. Add sample values to the variable cells to ensure that your worksheet is set up correctly and produces the expected results 3. Create a constraints table in the worksheet that identifies the constraints in this problem 4. Use Solver to determine the optimal combination of valves to build to maximize profit. 5. Produce an answer report of your solution. Which constraints could you modify to maximize the total profit? Place your recommendations in a text box on the answeir report worksheet. 600Explanation / Answer
Solution:
3. Constraints in this problem:
Casting Department 500 Hours
Machining Department 500 Hours
Final assembly department 100 Hours
Further,
2. Formula:
Total production time used for casting= Production time used for casting for one unit multiplied by nos. of units
Total production time used for Machining = Production time used for machining one unit multiplied by nos. of units
Total production time used for final assembling = Production time used for assembling one unit multiplied by nos. of units
4. As sale value of valves is not providing in question but optimal combination of valves is that which fullfill all the constraints.
As monetary or say numarically figures can not be computed so all other chages as mentioned in point 5 to point 8 is not possible.
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