Question: The manager at Ormonde Inc. collected the value stream mapping data from the plant's most problematic manufacturing cell that fabricates parts for washing machines. This
The manager at Ormonde Inc. collected the value stream mapping data from the plant's most problematic manufacturing cell that fabricates parts for washing machines. This data is shown in Table 1. Using this data, calculate the current state performance of the cell and answer the following questions.
| Overall Process Attributes | Average demand: 490/day Batch size: 24 Number of shifts per day: 3 Availability:8 hours per shift with a45 minute lunch break | |
| Process Step 1 | Cutting | Cycle time=130 secondsSetuptime=4 minutes Uptime=100% Operators=1 WIP=450 units (before Cutting) |
| Process Step 2 | Bending | Cycle time=270 secondsSetuptime=6 minutes Uptime=95% Operators=2 WIP=550 units (before Bending) |
| Process Step 3 | Punching | Cycle time=150 secondsSetuptime=none Uptime=100% Operators=1 WIP=150 units (Before Punching)WIP=900 units (After Punching) |
| Supplier Information | One shipment of 2,450 units each week | |
| Information Flow | All communications with customer are electronic There is a weekly order release to Cutting All material is pushed | |
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Part 2
a. What is the cell's current inventory level?
The cell's current inventory level is
20502050
parts. (Enter your response as a whole number.)
Part 3
b. What is the takt time for this manufacturing cell?
The takt time is
2.672.67
minutes. (Enter your response rounded to two decimal places.)
Part 4
c. What is the production lead time at each process in the manufacturing cell?
Complete the table (Enter your responses rounded to two decimal places.)
| Interval | Lead time |
| Before Cutting | 0.920.92 days |
| Between Cutting and Bending | 1.121.12 days |
| Between Bending and Punching | 0.310.31 days |
| After Punching | 1.841.84 days |
Part 5
d. What is the total processing time of this manufacturing cell?
The cell's total processing time is
550550
seconds. (Enter your response as a whole number.)
Part 6
e. What is the capacity of this manufacturing cell?
The cell's capacity is
enter your response here
units. (Enter your response rounded to the nearest whole number.)
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