Answer :
To calculate the Overall Equipment Effectiveness (OEE) of a machine, three factors need to be considered: Availability, Performance, and Quality.
Availability: This factor measures the percentage of time the machine is available for production. In this case, the machine is available for 24 hours each day.
Availability = (Actual Operating Time / Planned Operating Time) * 100
= (24 hours / 24 hours) * 100
= 100%
Performance: This factor measures the efficiency of the machine in terms of its speed compared to the ideal speed. Each unit takes 28 seconds to process, so we can calculate the ideal time for producing 2,100 units.
Ideal Time = Number of Units * Processing Time
= 2,100 units * 28 seconds
= 58,800 seconds
Performance = (Ideal Time / Actual Operating Time) * 100
= (58,800 seconds / (24 hours * 60 minutes * 60 seconds)) * 100
≈ 68.06%
Quality: This factor measures the percentage of good quality units produced by the machine. Since the problem doesn't provide information about defective units or rework, let's assume that the machine produces all units as good quality.
Quality = 100%
Overall Equipment Effectiveness (OEE) = Availability * Performance * Quality
= 100% * 68.06% * 100%
≈ 68.06%
Therefore, the OEE of this machine is approximately 68.06%.
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