Alex vs Stacey: Cutting the Batch Sizes

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Alex was told that by cutting the batch sizes in half, he will be able to improve the company's cash flow. On the other hand, Stacey was skeptical about cutting the batch sizes in half. Conflict is between Alex and Stacey.

D: cut the batch sizes in half on the bottleneck machine
D': not cut the batch sizes in half on the bottleneck machine
B: decrease the lead time to process a batch and speed up order for customer
C: keep the bottleneck as efficient as possible
A: increase the sales of the company
Click on the icons on the arrows to see assumptions and injections
In order to increase the sales of the company I must decrease the lead time to process a batch and speed up order for customer and in order to decrease the lead time to process a batch and speed up order for customer I must cut the batch sizes in half on the bottleneck machine. But, in order to increase the sales of the company I must also keep the bottleneck as efficient as possible and in order to keep the bottleneck as efficient as possible I must not cut the batch sizes in half on the bottleneck machine. I can't both cut the batch sizes in half on the bottleneck machine and not cut the batch sizes in half on the bottleneck machine.
RelationAssumption(s)Injection(s)
D-D'there is only one batch size on the bottleneck machinethey can not do both ways, they should stay with the one that create an improvement
B-D1.) that would improve the issue of cash flowcash will go be tied up to other things other hand inventory
C-D'1.) there will be less set ups

2.) machine is not going to work at his full capacity

3.) employees will not produce as much as they should
if they spend more time working and the machine work more time, then they will not produce more and the capacity will be higher
A-B1.)we need to create customer satisfaction

2.)we need to improve cash flow
A-C1.) Machines sitting idle do not make money

2.) Employees sitting idle do not make money
you would probably need half the investment in work in process to keep the plan running as efficient as possible