The Three-Station Work Cell Essay Discussion Paper

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Step 1/4

**a. Bottleneck time of the system:**

Bottleneck time is the slowest process time in the system or lesser output in an hour.

As it is given, the product can go through either of stations 1 that is if machine A is occupied it goes through machine B. Subsequently the process is completed after processes in station 2 and station 3.

Station 1 can process 60 units per hour ( 30 units per hour in machine A plus 30 units per hour in machine B) The Three-Station Work Cell Essay Discussion Paper.

Station 2 can process only 15 units per hour.

Station 3 processes only 5 units per hour. Though station 1 and station process more number of units per hour, station 3 can process only 5 units per hour.

Therefore, the bottleneck process is station 3. Units take the longest time in station 3 because station three processes only 5 units per hour. That is 60/5 = 12 minutes per unit in station 3. Whereas in station 1, incoming material is processed in 60/30 units = 2 minutes, and in station 2, the processed unit from station 1 is processed in station 2 in 4 minutes (60/15 units).

Therefore, the bottleneck time is 12 minutes per unit in station 3.

Step 2/4

**b. Bottleneck station**

The slowest process or the lowest output of the process is in station 3) 5 units per hour.) Therefore, station 3 is the bottleneck station.

Step 3/4

**c). Throughput time**

The throughput time is 2 minutes/unit in station 1 plus 4 minutes /unit in station 2, and plus 12 minutes/unit in station 3.

Throughput time = 2 + 4 + 12 = 18 minutes per unit.

Step 4/4

**d). weekly capacity of the work cell**

The firm works 9 hours per day, 5 days per week. Therefore total working hours in a week is 9 hours * 5 days = 45 hours.

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Capacity is 5 units per hour ( the bottleneck station capacity)

In 45 hours, the capacity (output) is 45 * 5 units = 225 units.

Therefore, the weekly capacity is 225 units.

Final answer

The bottleneck time is 12 minutes per unit in station 3.

The bottleneck station is station 3.

The throughput time is 18 minutes per unit.

The weekly capacity is 225 units The Three-Station Work Cell Essay Discussion Paper