Reference no: EM131031008
From the text book Introduction to Materials Management, 7th Edition, Written by J.R.Tony Arnold, Stephen N.Chapman and Lloyd M. Clive. I need the solution to Chapter 6 Case Study 6.1 on Johnston Products, Case Analysis from Pages 146.
Here's the given information: Since the computer had done most of his calculations in the past, Justin decided to check to see if the computer was the source of the problem. He gathered information to conduct a manual calculation on a week when there were eight people assigned to the assembly area (one person for each of eight machines) for one shift per day. With no overtime, that would allow 320 hours of production. Listed is the Products, Batch Size, and Standard Assembly Time (minutes per item)
Product: A174; Batch Size: 50; Standard Assembly Time: 17
Product: G820; Batch Size: 100; Standard Assembly Time: 9
Product: H221; Batch Size: 50; Standard Assembly Time: 19.5
Product: B327; Batch Size: 200; Standard Assembly Time: 11.7
Product: C803; Batch Size 100; Standard Assembly Time: 21.2
Product: P932; Batch Size: 300; Standard Assembly Time: 14.1
Product: F732; Batch Size: 200; Standard Assembly Time: 15.8
Product: J513; Batch Size: 150; Standard Assembly Time: 17.3
Product: L683; Batch Size: 150; Standard Assembly Time: 12.8
Case Analysis:
1. With this information, Justin calculated the total standard time required to be within the 320 hours available. Is this correct? Yes or No
Calculate the time required and check the accuracy of this calculation.
2. List the areas you think are causing trouble in this facility.
3. Develop a plan to deal with the situation and try to get production schedule back under control under the constraints listed.
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