Consider the simple 3-station assembly line illustrated below, where the 2 machines at Station 1 are parallel, i. e., the product only needs to go through one of the 2 machines before proceeding to Station 2. Station 1 Machine A has a capacity of 3 units per hour; Station 1 Machine B has a capacity of 3 units per hour; Station 2 has a capacity of 5 units per hour; Station 3 has a capacity of 10 units per hour What is the bottleneck time of this process

The bottleneck time for this process is 20 minutes.

Explanation:

a) Data and Calculations:

Station  Capacity per hour  Time required per unit

1 A               3                          20 minutes (60/3)

1 B               3                          20 minutes (60/3)

2                  5                          12 minutes (60/5)

3                 10                           6 minutes (60/10)

Total demand for the process = 38 minutes (20+12+6)

b) The bottleneck is the station that requires the longest time for its outputs to be processed.  The bottleneck in this process is given by Station One, requiring 20 minutes to meet output requirements through either machine A or machine B.  The bottleneck constitutes a constraint on the process capacity to achieve results.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link :

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