Continuous Flow vs. Departmental Manufacturing Gumbrecht Company has the following departmental manufacturing layout for one of its plants: 12 minutes 6 minutes Wait time - 10 minutes Move and wait time - 15 minutes Casting Grinding Move and wait time - 25 minutes 10 minutes 2 minutes Move and wait time - 20 minutes Drilling Finishing A consulting firm has recommended a value stream with the following manufacturing cell: 6 minutes 12 minutes Grinding Casting Drilling Finishing 10 minutes 2 minutes Required: 1. Calculate the total time it takes to produce a batch of 20 units using the traditional departmental manufacturing layout. 2,180 X minutes 2. Using cellular manufacturing, how much time is saved producing the same batch of 20 units? 1,330 X minutes Assuming the cell operates continuously, what is the production rate? 0.71 X units per hour Which process controls this production rate? Casting 3. Assume the processing time of Casting is reduced to 9 minutes, while the times of the other processes stay the same. What is the production rate now? units per hour How long will it take to produce a batch of 20 units if the cell is in a continuous production mode? minutes