Chapter 7 – Operations
I would like to further elaborate and improve the class exercise of "Coffee Making Process" by using CPM model and also Gantt Chart.
A) Below is the CPM Model and Gantt Chart of the first Initial Coffee Making Process that we discuss during the class. This process enable us to achieve 25 sec of the start and end process of preparing a coffee.
Initial CPM Model = 25 sec process
- changing the process of selecting the cup - only select cup while brewing in progress.
- breaking down the process into two kinds of process:
- Preparing Hot Coffee process - only 19 secs of total cycle time
- Preparing Cold Coffee process - only 21 secs of total cycle time
How can this possible? Refer below.
New CPM Model of Hot Coffee = 19 sec process
New CPM Model of Cold Coffee = 21 sec process
Gantt Chart and CPM model can really helps to improve operation process efficiency successfully and also to identify the critical path at the same time simplifying process will improve product delivery and quality.
Hope to use this for my dream business plan.
In new CPM model of hot coffee, when it is possible to select cup and brew coffee in parrellel, most brewer starts to deliever coffee at very first seconds.So make sure select cup can be done before delievering coffee is very important. Otherwise, some coffee will be wasted.
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